diff options
1034 files changed, 6821 insertions, 4557 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/jc42.txt b/Documentation/devicetree/bindings/hwmon/jc42.txt index 07a250498fbb..f569db58f64a 100644 --- a/Documentation/devicetree/bindings/hwmon/jc42.txt +++ b/Documentation/devicetree/bindings/hwmon/jc42.txt @@ -34,6 +34,10 @@ Required properties: - reg: I2C address +Optional properties: +- smbus-timeout-disable: When set, the smbus timeout function will be disabled. + This is not supported on all chips. + Example: temp-sensor@1a { diff --git a/Documentation/filesystems/nfs/Exporting b/Documentation/filesystems/nfs/Exporting index 520a4becb75c..63889149f532 100644 --- a/Documentation/filesystems/nfs/Exporting +++ b/Documentation/filesystems/nfs/Exporting @@ -56,13 +56,25 @@ a/ A dentry flag DCACHE_DISCONNECTED which is set on any dentry that might not be part of the proper prefix. This is set when anonymous dentries are created, and cleared when a dentry is noticed to be a child of a dentry which is in the proper - prefix. - -b/ A per-superblock list "s_anon" of dentries which are the roots of - subtrees that are not in the proper prefix. These dentries, as - well as the proper prefix, need to be released at unmount time. As - these dentries will not be hashed, they are linked together on the - d_hash list_head. + prefix. If the refcount on a dentry with this flag set + becomes zero, the dentry is immediately discarded, rather than being + kept in the dcache. If a dentry that is not already in the dcache + is repeatedly accessed by filehandle (as NFSD might do), an new dentry + will be a allocated for each access, and discarded at the end of + the access. + + Note that such a dentry can acquire children, name, ancestors, etc. + without losing DCACHE_DISCONNECTED - that flag is only cleared when + subtree is successfully reconnected to root. Until then dentries + in such subtree are retained only as long as there are references; + refcount reaching zero means immediate eviction, same as for unhashed + dentries. That guarantees that we won't need to hunt them down upon + umount. + +b/ A primitive for creation of secondary roots - d_obtain_root(inode). + Those do _not_ bear DCACHE_DISCONNECTED. They are placed on the + per-superblock list (->s_roots), so they can be located at umount + time for eviction purposes. c/ Helper routines to allocate anonymous dentries, and to help attach loose directory dentries at lookup time. They are: @@ -77,7 +89,6 @@ c/ Helper routines to allocate anonymous dentries, and to help attach (such as an anonymous one created by d_obtain_alias), if appropriate. It returns NULL when the passed-in dentry is used, following the calling convention of ->lookup. - Filesystem Issues ----------------- diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt index 361789df51ec..aa0a776c817a 100644 --- a/Documentation/printk-formats.txt +++ b/Documentation/printk-formats.txt @@ -5,7 +5,6 @@ How to get printk format specifiers right :Author: Randy Dunlap <rdunlap@infradead.org> :Author: Andrew Murray <amurray@mpc-data.co.uk> - Integer types ============= @@ -45,6 +44,18 @@ return from vsnprintf. Raw pointer value SHOULD be printed with %p. The kernel supports the following extended format specifiers for pointer types: +Pointer Types +============= + +Pointers printed without a specifier extension (i.e unadorned %p) are +hashed to give a unique identifier without leaking kernel addresses to user +space. On 64 bit machines the first 32 bits are zeroed. If you _really_ +want the address see %px below. + +:: + + %p abcdef12 or 00000000abcdef12 + Symbols/Function Pointers ========================= @@ -85,18 +96,32 @@ Examples:: printk("Faulted at %pS\n", (void *)regs->ip); printk(" %s%pB\n", (reliable ? "" : "? "), (void *)*stack); - Kernel Pointers =============== :: - %pK 0x01234567 or 0x0123456789abcdef + %pK 01234567 or 0123456789abcdef For printing kernel pointers which should be hidden from unprivileged users. The behaviour of ``%pK`` depends on the ``kptr_restrict sysctl`` - see Documentation/sysctl/kernel.txt for more details. +Unmodified Addresses +==================== + +:: + + %px 01234567 or 0123456789abcdef + +For printing pointers when you _really_ want to print the address. Please +consider whether or not you are leaking sensitive information about the +Kernel layout in memory before printing pointers with %px. %px is +functionally equivalent to %lx. %px is preferred to %lx because it is more +uniquely grep'able. If, in the future, we need to modify the way the Kernel +handles printing pointers it will be nice to be able to find the call +sites. + Struct Resources ================ diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index b920423f88cb..5025ff9307e6 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -158,10 +158,6 @@ Note: the minimum value allowed for dirty_bytes is two pages (in bytes); any value lower than this limit will be ignored and the old configuration will be retained. -Note: the value of dirty_bytes also must be set greater than -dirty_background_bytes or the amount of memory corresponding to -dirty_background_ratio. - ============================================================== dirty_expire_centisecs @@ -181,9 +177,6 @@ generating disk writes will itself start writing out dirty data. The total available memory is not equal to total system memory. -Note: dirty_ratio must be set greater than dirty_background_ratio or -ratio corresponding to dirty_background_bytes. - ============================================================== dirty_writeback_centisecs diff --git a/MAINTAINERS b/MAINTAINERS index aa71ab52fd76..d4fdcb12616c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6174,7 +6174,6 @@ M: Jean Delvare <jdelvare@suse.com> M: Guenter Roeck <linux@roeck-us.net> L: linux-hwmon@vger.kernel.org W: http://hwmon.wiki.kernel.org/ -T: quilt http://jdelvare.nerim.net/devel/linux/jdelvare-hwmon/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git S: Maintained F: Documentation/hwmon/ @@ -9331,9 +9330,9 @@ F: drivers/gpu/drm/mxsfb/ F: Documentation/devicetree/bindings/display/mxsfb-drm.txt MYRICOM MYRI-10G 10GbE DRIVER (MYRI10GE) -M: Hyong-Youb Kim <hykim@myri.com> +M: Chris Lee <christopher.lee@cspi.com> L: netdev@vger.kernel.org -W: https://www.myricom.com/support/downloads/myri10ge.html +W: https://www.cspi.com/ethernet-products/support/downloads/ S: Supported F: drivers/net/ethernet/myricom/myri10ge/ @@ -2,7 +2,7 @@ VERSION = 4 PATCHLEVEL = 15 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc2 NAME = Fearless Coyote # *DOCUMENTATION* diff --git a/arch/alpha/include/asm/asm-prototypes.h b/arch/alpha/include/asm/asm-prototypes.h index d12c68ea340b..b34cc1f06720 100644 --- a/arch/alpha/include/asm/asm-prototypes.h +++ b/arch/alpha/include/asm/asm-prototypes.h @@ -4,7 +4,7 @@ #include <asm/console.h> #include <asm/page.h> #include <asm/string.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm-generic/asm-prototypes.h> diff --git a/arch/alpha/include/uapi/asm/Kbuild b/arch/alpha/include/uapi/asm/Kbuild index b15bf6bc0e94..574fe90c8b58 100644 --- a/arch/alpha/include/uapi/asm/Kbuild +++ b/arch/alpha/include/uapi/asm/Kbuild @@ -1,2 +1,4 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm + +generic-y += poll.h diff --git a/arch/alpha/include/uapi/asm/poll.h b/arch/alpha/include/uapi/asm/poll.h deleted file mode 100644 index b7132a305a47..000000000000 --- a/arch/alpha/include/uapi/asm/poll.h +++ /dev/null @@ -1,2 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#include <asm-generic/poll.h> diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h index 2a029bceaf2f..1a7a17b2a1ba 100644 --- a/arch/arm/include/asm/pgtable-3level.h +++ b/arch/arm/include/asm/pgtable-3level.h @@ -221,7 +221,6 @@ static inline pte_t pte_mkspecial(pte_t pte) } #define __HAVE_ARCH_PTE_SPECIAL -#define __HAVE_ARCH_PMD_WRITE #define pmd_write(pmd) (pmd_isclear((pmd), L_PMD_SECT_RDONLY)) #define pmd_dirty(pmd) (pmd_isset((pmd), L_PMD_SECT_DIRTY)) #define pud_page(pud) pmd_page(__pmd(pud_val(pud))) diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 7f4d80c2db6b..0f07579af472 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -300,7 +300,7 @@ mov r2, sp ldr r1, [r2, #\offset + S_PSR] @ get calling cpsr ldr lr, [r2, #\offset + S_PC]! @ get pc - tst r1, #0xcf + tst r1, #PSR_I_BIT | 0x0f bne 1f msr spsr_cxsf, r1 @ save in spsr_svc #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_32v6K) @@ -332,7 +332,7 @@ ldr r1, [sp, #\offset + S_PSR] @ get calling cpsr ldr lr, [sp, #\offset + S_PC] @ get pc add sp, sp, #\offset + S_SP - tst r1, #0xcf + tst r1, #PSR_I_BIT | 0x0f bne 1f msr spsr_cxsf, r1 @ save in spsr_svc diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index b35788c909f1..b481b4a7c011 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -83,9 +83,6 @@ endif ifeq ($(CONFIG_ARM64_MODULE_PLTS),y) KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/arm64/kernel/module.lds -ifeq ($(CONFIG_DYNAMIC_FTRACE),y) -KBUILD_LDFLAGS_MODULE += $(objtree)/arch/arm64/kernel/ftrace-mod.o -endif endif # Default value diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h index 76d1cc85d5b1..955130762a3c 100644 --- a/arch/arm64/include/asm/cacheflush.h +++ b/arch/arm64/include/asm/cacheflush.h @@ -38,7 +38,7 @@ * * See Documentation/cachetlb.txt for more information. Please note that * the implementation assumes non-aliasing VIPT D-cache and (aliasing) - * VIPT or ASID-tagged VIVT I-cache. + * VIPT I-cache. * * flush_cache_mm(mm) * diff --git a/arch/arm64/include/asm/module.h b/arch/arm64/include/asm/module.h index 19bd97671bb8..4f766178fa6f 100644 --- a/arch/arm64/include/asm/module.h +++ b/arch/arm64/include/asm/module.h @@ -32,7 +32,7 @@ struct mod_arch_specific { struct mod_plt_sec init; /* for CONFIG_DYNAMIC_FTRACE */ - void *ftrace_trampoline; + struct plt_entry *ftrace_trampoline; }; #endif @@ -45,4 +45,48 @@ extern u64 module_alloc_base; #define module_alloc_base ((u64)_etext - MODULES_VSIZE) #endif +struct plt_entry { + /* + * A program that conforms to the AArch64 Procedure Call Standard + * (AAPCS64) must assume that a veneer that alters IP0 (x16) and/or + * IP1 (x17) may be inserted at any branch instruction that is + * exposed to a relocation that supports long branches. Since that + * is exactly what we are dealing with here, we are free to use x16 + * as a scratch register in the PLT veneers. + */ + __le32 mov0; /* movn x16, #0x.... */ + __le32 mov1; /* movk x16, #0x...., lsl #16 */ + __le32 mov2; /* movk x16, #0x...., lsl #32 */ + __le32 br; /* br x16 */ +}; + +static inline struct plt_entry get_plt_entry(u64 val) +{ + /* + * MOVK/MOVN/MOVZ opcode: + * +--------+------------+--------+-----------+-------------+---------+ + * | sf[31] | opc[30:29] | 100101 | hw[22:21] | imm16[20:5] | Rd[4:0] | + * +--------+------------+--------+-----------+-------------+---------+ + * + * Rd := 0x10 (x16) + * hw := 0b00 (no shift), 0b01 (lsl #16), 0b10 (lsl #32) + * opc := 0b11 (MOVK), 0b00 (MOVN), 0b10 (MOVZ) + * sf := 1 (64-bit variant) + */ + return (struct plt_entry){ + cpu_to_le32(0x92800010 | (((~val ) & 0xffff)) << 5), + cpu_to_le32(0xf2a00010 | ((( val >> 16) & 0xffff)) << 5), + cpu_to_le32(0xf2c00010 | ((( val >> 32) & 0xffff)) << 5), + cpu_to_le32(0xd61f0200) + }; +} + +static inline bool plt_entries_equal(const struct plt_entry *a, + const struct plt_entry *b) +{ + return a->mov0 == b->mov0 && + a->mov1 == b->mov1 && + a->mov2 == b->mov2; +} + #endif /* __ASM_MODULE_H */ diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index c9530b5b5ca8..149d05fb9421 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -345,7 +345,6 @@ static inline int pmd_protnone(pmd_t pmd) #define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd)) -#define __HAVE_ARCH_PMD_WRITE #define pmd_write(pmd) pte_write(pmd_pte(pmd)) #define pmd_mkhuge(pmd) (__pmd(pmd_val(pmd) & ~PMD_TABLE_BIT)) diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index 8265dd790895..067baace74a0 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -61,6 +61,3 @@ extra-y += $(head-y) vmlinux.lds ifeq ($(CONFIG_DEBUG_EFI),y) AFLAGS_head.o += -DVMLINUX_PATH="\"$(realpath $(objtree)/vmlinux)\"" endif - -# will be included by each individual module but not by the core kernel itself -extra-$(CONFIG_DYNAMIC_FTRACE) += ftrace-mod.o diff --git a/arch/arm64/kernel/cpu_ops.c b/arch/arm64/kernel/cpu_ops.c index d16978213c5b..ea001241bdd4 100644 --- a/arch/arm64/kernel/cpu_ops.c +++ b/arch/arm64/kernel/cpu_ops.c @@ -31,13 +31,13 @@ extern const struct cpu_operations cpu_psci_ops; const struct cpu_operations *cpu_ops[NR_CPUS] __ro_after_init; -static const struct cpu_operations *dt_supported_cpu_ops[] __initconst = { +static const struct cpu_operations *const dt_supported_cpu_ops[] __initconst = { &smp_spin_table_ops, &cpu_psci_ops, NULL, }; -static const struct cpu_operations *acpi_supported_cpu_ops[] __initconst = { +static const struct cpu_operations *const acpi_supported_cpu_ops[] __initconst = { #ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL &acpi_parking_protocol_ops, #endif @@ -47,7 +47,7 @@ static const struct cpu_operations *acpi_supported_cpu_ops[] __initconst = { static const struct cpu_operations * __init cpu_get_ops(const char *name) { - const struct cpu_operations **ops; + const struct cpu_operations *const *ops; ops = acpi_disabled ? dt_supported_cpu_ops : acpi_supported_cpu_ops; diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 143b3e72c25e..5084e699447a 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -1026,10 +1026,10 @@ void fpsimd_update_current_state(struct fpsimd_state *state) local_bh_disable(); - if (system_supports_sve() && test_thread_flag(TIF_SVE)) { - current->thread.fpsimd_state = *state; + current->thread.fpsimd_state = *state; + if (system_supports_sve() && test_thread_flag(TIF_SVE)) fpsimd_to_sve(current); - } + task_fpsimd_load(); if (test_and_clear_thread_flag(TIF_FOREIGN_FPSTATE)) { diff --git a/arch/arm64/kernel/ftrace-mod.S b/arch/arm64/kernel/ftrace-mod.S deleted file mode 100644 index 00c4025be4ff..000000000000 --- a/arch/arm64/kernel/ftrace-mod.S +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Copyright (C) 2017 Linaro Ltd <ard.biesheuvel@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/linkage.h> -#include <asm/assembler.h> - - .section ".text.ftrace_trampoline", "ax" - .align 3 -0: .quad 0 -__ftrace_trampoline: - ldr x16, 0b - br x16 -ENDPROC(__ftrace_trampoline) diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c index c13b1fca0e5b..50986e388d2b 100644 --- a/arch/arm64/kernel/ftrace.c +++ b/arch/arm64/kernel/ftrace.c @@ -76,7 +76,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) if (offset < -SZ_128M || offset >= SZ_128M) { #ifdef CONFIG_ARM64_MODULE_PLTS - unsigned long *trampoline; + struct plt_entry trampoline; struct module *mod; /* @@ -104,22 +104,24 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) * is added in the future, but for now, the pr_err() below * deals with a theoretical issue only. */ - trampoline = (unsigned long *)mod->arch.ftrace_trampoline; - if (trampoline[0] != addr) { - if (trampoline[0] != 0) { + trampoline = get_plt_entry(addr); + if (!plt_entries_equal(mod->arch.ftrace_trampoline, + &trampoline)) { + if (!plt_entries_equal(mod->arch.ftrace_trampoline, + &(struct plt_entry){})) { pr_err("ftrace: far branches to multiple entry points unsupported inside a single module\n"); return -EINVAL; } /* point the trampoline to our ftrace entry point */ module_disable_ro(mod); - trampoline[0] = addr; + *mod->arch.ftrace_trampoline = trampoline; module_enable_ro(mod, true); /* update trampoline before patching in the branch */ smp_wmb(); } - addr = (unsigned long)&trampoline[1]; + addr = (unsigned long)(void *)mod->arch.ftrace_trampoline; #else /* CONFIG_ARM64_MODULE_PLTS */ return -EINVAL; #endif /* CONFIG_ARM64_MODULE_PLTS */ diff --git a/arch/arm64/kernel/module-plts.c b/arch/arm64/kernel/module-plts.c index d05dbe658409..ea640f92fe5a 100644 --- a/arch/arm64/kernel/module-plts.c +++ b/arch/arm64/kernel/module-plts.c @@ -11,21 +11,6 @@ #include <linux/module.h> #include <linux/sort.h> -struct plt_entry { - /* - * A program that conforms to the AArch64 Procedure Call Standard - * (AAPCS64) must assume that a veneer that alters IP0 (x16) and/or - * IP1 (x17) may be inserted at any branch instruction that is - * exposed to a relocation that supports long branches. Since that - * is exactly what we are dealing with here, we are free to use x16 - * as a scratch register in the PLT veneers. - */ - __le32 mov0; /* movn x16, #0x.... */ - __le32 mov1; /* movk x16, #0x...., lsl #16 */ - __le32 mov2; /* movk x16, #0x...., lsl #32 */ - __le32 br; /* br x16 */ -}; - static bool in_init(const struct module *mod, void *loc) { return (u64)loc - (u64)mod->init_layout.base < mod->init_layout.size; @@ -40,33 +25,14 @@ u64 module_emit_plt_entry(struct module *mod, void *loc, const Elf64_Rela *rela, int i = pltsec->plt_num_entries; u64 val = sym->st_value + rela->r_addend; - /* - * MOVK/MOVN/MOVZ opcode: - * +--------+------------+--------+-----------+-------------+---------+ - * | sf[31] | opc[30:29] | 100101 | hw[22:21] | imm16[20:5] | Rd[4:0] | - * +--------+------------+--------+-----------+-------------+---------+ - * - * Rd := 0x10 (x16) - * hw := 0b00 (no shift), 0b01 (lsl #16), 0b10 (lsl #32) - * opc := 0b11 (MOVK), 0b00 (MOVN), 0b10 (MOVZ) - * sf := 1 (64-bit variant) - */ - plt[i] = (struct plt_entry){ - cpu_to_le32(0x92800010 | (((~val ) & 0xffff)) << 5), - cpu_to_le32(0xf2a00010 | ((( val >> 16) & 0xffff)) << 5), - cpu_to_le32(0xf2c00010 | ((( val >> 32) & 0xffff)) << 5), - cpu_to_le32(0xd61f0200) - }; + plt[i] = get_plt_entry(val); /* * Check if the entry we just created is a duplicate. Given that the * relocations are sorted, this will be the last entry we allocated. * (if one exists). */ - if (i > 0 && - plt[i].mov0 == plt[i - 1].mov0 && - plt[i].mov1 == plt[i - 1].mov1 && - plt[i].mov2 == plt[i - 1].mov2) + if (i > 0 && plt_entries_equal(plt + i, plt + i - 1)) return (u64)&plt[i - 1]; pltsec->plt_num_entries++; @@ -154,6 +120,7 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, unsigned long core_plts = 0; unsigned long init_plts = 0; Elf64_Sym *syms = NULL; + Elf_Shdr *tramp = NULL; int i; /* @@ -165,6 +132,10 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, mod->arch.core.plt = sechdrs + i; else if (!strcmp(secstrings + sechdrs[i].sh_name, ".init.plt")) mod->arch.init.plt = sechdrs + i; + else if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE) && + !strcmp(secstrings + sechdrs[i].sh_name, + ".text.ftrace_trampoline")) + tramp = sechdrs + i; else if (sechdrs[i].sh_type == SHT_SYMTAB) syms = (Elf64_Sym *)sechdrs[i].sh_addr; } @@ -215,5 +186,12 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, mod->arch.init.plt_num_entries = 0; mod->arch.init.plt_max_entries = init_plts; + if (tramp) { + tramp->sh_type = SHT_NOBITS; + tramp->sh_flags = SHF_EXECINSTR | SHF_ALLOC; + tramp->sh_addralign = __alignof__(struct plt_entry); + tramp->sh_size = sizeof(struct plt_entry); + } + return 0; } diff --git a/arch/arm64/kernel/module.lds b/arch/arm64/kernel/module.lds index f7c9781a9d48..22e36a21c113 100644 --- a/arch/arm64/kernel/module.lds +++ b/arch/arm64/kernel/module.lds @@ -1,4 +1,5 @@ SECTIONS { .plt (NOLOAD) : { BYTE(0) } .init.plt (NOLOAD) : { BYTE(0) } + .text.ftrace_trampoline (NOLOAD) : { BYTE(0) } } diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 9eaef51f83ff..3affca3dd96a 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -262,12 +262,6 @@ static const unsigned armv8_a73_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] [C(L1D)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_CACHE_RD, [C(L1D)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WR, - - [C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD, - [C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR, - - [C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD, - [C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR, }; static const unsigned armv8_thunder_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c index ab9f5f0fb2c7..6f4017046323 100644 --- a/arch/arm64/mm/context.c +++ b/arch/arm64/mm/context.c @@ -96,12 +96,6 @@ static void flush_context(unsigned int cpu) set_reserved_asid_bits(); - /* - * Ensure the generation bump is observed before we xchg the - * active_asids. - */ - smp_wmb(); - for_each_possible_cpu(i) { asid = atomic64_xchg_relaxed(&per_cpu(active_asids, i), 0); /* @@ -117,7 +111,10 @@ static void flush_context(unsigned int cpu) per_cpu(reserved_asids, i) = asid; } - /* Queue a TLB invalidate and flush the I-cache if necessary. */ + /* + * Queue a TLB invalidation for each CPU to perform on next + * context-switch + */ cpumask_setall(&tlb_flush_pending); } @@ -202,11 +199,18 @@ void check_and_switch_context(struct mm_struct *mm, unsigned int cpu) asid = atomic64_read(&mm->context.id); /* - * The memory ordering here is subtle. We rely on the control - * dependency between the generation read and the update of - * active_asids to ensure that we are synchronised with a - * parallel rollover (i.e. this pairs with the smp_wmb() in - * flush_context). + * The memory ordering here is subtle. + * If our ASID matches the current generation, then we update + * our active_asids entry with a relaxed xchg. Racing with a + * concurrent rollover means that either: + * + * - We get a zero back from the xchg and end up waiting on the + * lock. Taking the lock synchronises with the rollover and so + * we are forced to see the updated generation. + * + * - We get a valid ASID back from the xchg, which means the + * relaxed xchg in flush_context will treat us as reserved + * because atomic RmWs are totally ordered for a given location. */ if (!((asid ^ atomic64_read(&asid_generation)) >> asid_bits) && atomic64_xchg_relaxed(&per_cpu(active_asids, cpu), asid)) diff --git a/arch/arm64/mm/pgd.c b/arch/arm64/mm/pgd.c index 371c5f03a170..051e71ec3335 100644 --- a/arch/arm64/mm/pgd.c +++ b/arch/arm64/mm/pgd.c @@ -26,7 +26,7 @@ #include <asm/page.h> #include <asm/tlbflush.h> -static struct kmem_cache *pgd_cache; +static struct kmem_cache *pgd_cache __ro_after_init; pgd_t *pgd_alloc(struct mm_struct *mm) { diff --git a/arch/blackfin/include/uapi/asm/poll.h b/arch/blackfin/include/uapi/asm/poll.h index 8b094d43e9b7..3b162f2d2970 100644 --- a/arch/blackfin/include/uapi/asm/poll.h +++ b/arch/blackfin/include/uapi/asm/poll.h @@ -9,8 +9,25 @@ #ifndef _UAPI__BFIN_POLL_H #define _UAPI__BFIN_POLL_H -#define POLLWRNORM 4 /* POLLOUT */ -#define POLLWRBAND 256 +#ifndef __KERNEL__ +#define POLLWRNORM POLLOUT +#define POLLWRBAND (__force __poll_t)256 +#else +#define __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; + /* bit 9 -> bit 8, bit 8 -> bit 2 */ + return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6); +} + +static inline __poll_t demangle_poll(__u16 v) +{ + /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */ + return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) | + ((v & 4) << 6)); +} +#endif #include <asm-generic/poll.h> diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c index 68dbe261dc57..a2986c60aaac 100644 --- a/arch/cris/arch-v10/drivers/gpio.c +++ b/arch/cris/arch-v10/drivers/gpio.c @@ -50,7 +50,7 @@ static ssize_t gpio_write(struct file *file, const char __user *buf, size_t count, loff_t *off); static int gpio_open(struct inode *inode, struct file *filp); static int gpio_release(struct inode *inode, struct file *filp); -static unsigned int gpio_poll(struct file *filp, struct poll_table_struct *wait); +static __poll_t gpio_poll(struct file *filp, struct poll_table_struct *wait); /* private data per open() of this driver */ @@ -141,9 +141,9 @@ static unsigned long dir_g_shadow; /* 1=output */ #define USE_PORTS(priv) ((priv)->minor <= GPIO_MINOR_B) -static unsigned int gpio_poll(struct file *file, poll_table *wait) +static __poll_t gpio_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; struct gpio_private *priv = file->private_data; unsigned long data; unsigned long flags; diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c index cfe9176f2205..177843c64071 100644 --- a/arch/cris/arch-v10/drivers/sync_serial.c +++ b/arch/cris/arch-v10/drivers/sync_serial.c @@ -157,7 +157,7 @@ static inline int sync_data_avail(struct sync_port *port); static int sync_serial_open(struct inode *inode, struct file *file); static int sync_serial_release(struct inode *inode, struct file *file); -static unsigned int sync_serial_poll(struct file *filp, poll_table *wait); +static __poll_t sync_serial_poll(struct file *filp, poll_table *wait); static long sync_serial_ioctl(struct file *file, unsigned int cmd, unsigned long arg); @@ -654,12 +654,12 @@ static int sync_serial_release(struct inode *inode, struct file *file) -static unsigned int sync_serial_poll(struct file *file, poll_table *wait) +static __poll_t sync_serial_poll(struct file *file, poll_table *wait) { int dev = MINOR(file_inode(file)->i_rdev); - unsigned int mask = 0; + __poll_t mask = 0; struct sync_port *port; - DEBUGPOLL(static unsigned int prev_mask = 0); + DEBUGPOLL(static __poll_t prev_mask = 0); port = &ports[dev]; poll_wait(file, &port->out_wait_q, wait); diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c index d688fe117dca..a3c353472a8c 100644 --- a/arch/cris/arch-v32/drivers/cryptocop.c +++ b/arch/cris/arch-v32/drivers/cryptocop.c @@ -2717,37 +2717,28 @@ static int cryptocop_ioctl_process(struct inode *inode, struct file *filp, unsig } } - /* Acquire the mm page semaphore. */ - down_read(¤t->mm->mmap_sem); - - err = get_user_pages((unsigned long int)(oper.indata + prev_ix), + err = get_user_pages_fast((unsigned long)(oper.indata + prev_ix), noinpages, - 0, /* read access only for in data */ - inpages, - NULL); + false, /* read access only for in data */ + inpages); if (err < 0) { - up_read(¤t->mm->mmap_sem); nooutpages = noinpages = 0; DEBUG_API(printk("cryptocop_ioctl_process: get_user_pages indata\n")); goto error_cleanup; } noinpages = err; - if (oper.do_cipher){ - err = get_user_pages((unsigned long int)oper.cipher_outdata, + if (oper.do_cipher) { + err = get_user_pages_fast((unsigned long)oper.cipher_outdata, nooutpages, - FOLL_WRITE, /* write access for out data */ - outpages, - NULL); - up_read(¤t->mm->mmap_sem); + true, /* write access for out data */ + outpages); if (err < 0) { nooutpages = 0; DEBUG_API(printk("cryptocop_ioctl_process: get_user_pages outdata\n")); goto error_cleanup; } nooutpages = err; - } else { - up_read(¤t->mm->mmap_sem); } /* Add 6 to nooutpages to make room for possibly inserted buffers for storing digest and diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index 8efcc1a899a8..e20e0b9a3a5c 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -178,7 +178,7 @@ static inline int sync_data_avail(struct sync_port *port); static int sync_serial_open(struct inode *, struct file *); static int sync_serial_release(struct inode *, struct file *); -static unsigned int sync_serial_poll(struct file *filp, poll_table *wait); +static __poll_t sync_serial_poll(struct file *filp, poll_table *wait); static long sync_serial_ioctl(struct file *file, unsigned int cmd, unsigned long arg); @@ -555,13 +555,13 @@ static int sync_serial_release(struct inode *inode, struct file *file) return 0; } -static unsigned int sync_serial_poll(struct file *file, poll_table *wait) +static __poll_t sync_serial_poll(struct file *file, poll_table *wait) { int dev = iminor(file_inode(file)); - unsigned int mask = 0; + __poll_t mask = 0; struct sync_port *port; DEBUGPOLL( - static unsigned int prev_mask; + static __poll_t prev_mask; ); port = &ports[dev]; diff --git a/arch/frv/include/uapi/asm/poll.h b/arch/frv/include/uapi/asm/poll.h index 887b67288340..a44c8f0ebee7 100644 --- a/arch/frv/include/uapi/asm/poll.h +++ b/arch/frv/include/uapi/asm/poll.h @@ -2,12 +2,27 @@ #ifndef _ASM_POLL_H #define _ASM_POLL_H +#ifndef __KERNEL__ #define POLLWRNORM POLLOUT -#define POLLWRBAND 256 +#define POLLWRBAND (__force __poll_t)256 +#else +#define __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; + /* bit 9 -> bit 8, bit 8 -> bit 2 */ + return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6); +} -#include <asm-generic/poll.h> +static inline __poll_t demangle_poll(__u16 v) +{ + /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */ + return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) | + ((v & 4) << 6)); +} +#endif +#include <asm-generic/poll.h> #undef POLLREMOVE #endif - diff --git a/arch/ia64/include/asm/asm-prototypes.h b/arch/ia64/include/asm/asm-prototypes.h index c711536674e3..a96689447a74 100644 --- a/arch/ia64/include/asm/asm-prototypes.h +++ b/arch/ia64/include/asm/asm-prototypes.h @@ -9,7 +9,7 @@ #include <asm/page.h> #include <asm/pal.h> #include <asm/string.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/unwind.h> #include <asm/xor.h> diff --git a/arch/ia64/include/uapi/asm/Kbuild b/arch/ia64/include/uapi/asm/Kbuild index 13a97aa2285f..4c9825edd4a3 100644 --- a/arch/ia64/include/uapi/asm/Kbuild +++ b/arch/ia64/include/uapi/asm/Kbuild @@ -2,3 +2,4 @@ include include/uapi/asm-generic/Kbuild.asm generic-y += kvm_para.h +generic-y += poll.h diff --git a/arch/ia64/include/uapi/asm/poll.h b/arch/ia64/include/uapi/asm/poll.h deleted file mode 100644 index b7132a305a47..000000000000 --- a/arch/ia64/include/uapi/asm/poll.h +++ /dev/null @@ -1,2 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#include <asm-generic/poll.h> diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index 09f86ebfcc7b..c44f002e8f6b 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -1644,12 +1644,12 @@ pfm_write(struct file *file, const char __user *ubuf, return -EINVAL; } -static unsigned int +static __poll_t pfm_poll(struct file *filp, poll_table * wait) { pfm_context_t *ctx; unsigned long flags; - unsigned int mask = 0; + __poll_t mask = 0; if (PFM_IS_FILE(filp) == 0) { printk(KERN_ERR "perfmon: pfm_poll: bad magic [%d]\n", task_pid_nr(current)); diff --git a/arch/m32r/include/uapi/asm/Kbuild b/arch/m32r/include/uapi/asm/Kbuild index 1c44d3b3eba0..21f241553a2e 100644 --- a/arch/m32r/include/uapi/asm/Kbuild +++ b/arch/m32r/include/uapi/asm/Kbuild @@ -2,4 +2,5 @@ include include/uapi/asm-generic/Kbuild.asm generic-y += kvm_para.h +generic-y += poll.h generic-y += siginfo.h diff --git a/arch/m32r/include/uapi/asm/poll.h b/arch/m32r/include/uapi/asm/poll.h deleted file mode 100644 index b7132a305a47..000000000000 --- a/arch/m32r/include/uapi/asm/poll.h +++ /dev/null @@ -1,2 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#include <asm-generic/poll.h> diff --git a/arch/m68k/include/uapi/asm/poll.h b/arch/m68k/include/uapi/asm/poll.h index c3e3fcc15e1d..d8be239e8141 100644 --- a/arch/m68k/include/uapi/asm/poll.h +++ b/arch/m68k/include/uapi/asm/poll.h @@ -2,8 +2,25 @@ #ifndef __m68k_POLL_H #define __m68k_POLL_H +#ifndef __KERNEL__ #define POLLWRNORM POLLOUT -#define POLLWRBAND 256 +#define POLLWRBAND (__force __poll_t)256 +#else +#define __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; + /* bit 9 -> bit 8, bit 8 -> bit 2 */ + return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6); +} + +static inline __poll_t demangle_poll(__u16 v) +{ + /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */ + return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) | + ((v & 4) << 6)); +} +#endif #include <asm-generic/poll.h> diff --git a/arch/microblaze/include/asm/mmu_context_mm.h b/arch/microblaze/include/asm/mmu_context_mm.h index 99472d2ca340..97559fe0b953 100644 --- a/arch/microblaze/include/asm/mmu_context_mm.h +++ b/arch/microblaze/include/asm/mmu_context_mm.h @@ -13,6 +13,7 @@ #include <linux/atomic.h> #include <linux/mm_types.h> +#include <linux/sched.h> #include <asm/bitops.h> #include <asm/mmu.h> diff --git a/arch/mips/include/asm/asm-prototypes.h b/arch/mips/include/asm/asm-prototypes.h index d60b57f34e92..576f1a62dea9 100644 --- a/arch/mips/include/asm/asm-prototypes.h +++ b/arch/mips/include/asm/asm-prototypes.h @@ -3,5 +3,5 @@ #include <asm/page.h> #include <asm/fpu.h> #include <asm-generic/asm-prototypes.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/ftrace.h> diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 9e9e94415d08..1a508a74d48d 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -552,7 +552,7 @@ static inline pmd_t pmd_mkhuge(pmd_t pmd) extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd); -#define __HAVE_ARCH_PMD_WRITE +#define pmd_write pmd_write static inline int pmd_write(pmd_t pmd) { return !!(pmd_val(pmd) & _PAGE_WRITE); diff --git a/arch/mips/include/uapi/asm/poll.h b/arch/mips/include/uapi/asm/poll.h index ad289d7b7434..3173f8917128 100644 --- a/arch/mips/include/uapi/asm/poll.h +++ b/arch/mips/include/uapi/asm/poll.h @@ -2,8 +2,25 @@ #ifndef __ASM_POLL_H #define __ASM_POLL_H +#ifndef __KERNEL__ #define POLLWRNORM POLLOUT -#define POLLWRBAND 0x0100 +#define POLLWRBAND (__force __poll_t)0x0100 +#else +#define __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; + /* bit 9 -> bit 8, bit 8 -> bit 2 */ + return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6); +} + +static inline __poll_t demangle_poll(__u16 v) +{ + /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */ + return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) | + ((v & 4) << 6)); +} +#endif #include <asm-generic/poll.h> diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index b80dd8b17a76..bbb0f4770c0d 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -336,10 +336,10 @@ static int file_release(struct inode *inode, struct file *filp) return rtlx_release(iminor(inode)); } -static unsigned int file_poll(struct file *file, poll_table *wait) +static __poll_t file_poll(struct file *file, poll_table *wait) { int minor = iminor(file_inode(file)); - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &channel_wqs[minor].rt_queue, wait); poll_wait(file, &channel_wqs[minor].lx_queue, wait); diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index d535edc01434..75fdeaa8c62f 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -445,10 +445,8 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) { int r = -EINTR; - sigset_t sigsaved; - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); + kvm_sigset_activate(vcpu); if (vcpu->mmio_needed) { if (!vcpu->mmio_is_write) @@ -480,8 +478,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) local_irq_enable(); out: - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &sigsaved, NULL); + kvm_sigset_deactivate(vcpu); return r; } diff --git a/arch/mn10300/include/uapi/asm/Kbuild b/arch/mn10300/include/uapi/asm/Kbuild index c94ee54210bc..162fbdbb5fd5 100644 --- a/arch/mn10300/include/uapi/asm/Kbuild +++ b/arch/mn10300/include/uapi/asm/Kbuild @@ -1,4 +1,5 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +generic-y += poll.h generic-y += siginfo.h diff --git a/arch/mn10300/include/uapi/asm/poll.h b/arch/mn10300/include/uapi/asm/poll.h deleted file mode 100644 index b7132a305a47..000000000000 --- a/arch/mn10300/include/uapi/asm/poll.h +++ /dev/null @@ -1,2 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#include <asm-generic/poll.h> diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 9a677cd5997f..44697817ccc6 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -1005,7 +1005,6 @@ static inline int pmd_protnone(pmd_t pmd) } #endif /* CONFIG_NUMA_BALANCING */ -#define __HAVE_ARCH_PMD_WRITE #define pmd_write(pmd) pte_write(pmd_pte(pmd)) #define __pmd_write(pmd) __pte_write(pmd_pte(pmd)) #define pmd_savedwrite(pmd) pte_savedwrite(pmd_pte(pmd)) diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 96753f3aac6d..941c2a3f231b 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -180,6 +180,7 @@ extern void kvm_spapr_tce_release_iommu_group(struct kvm *kvm, struct iommu_group *grp); extern int kvmppc_switch_mmu_to_hpt(struct kvm *kvm); extern int kvmppc_switch_mmu_to_radix(struct kvm *kvm); +extern void kvmppc_setup_partition_table(struct kvm *kvm); extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, struct kvm_create_spapr_tce_64 *args); diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 8ac0bd2bddb0..3280953a82cf 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -623,7 +623,9 @@ BEGIN_FTR_SECTION * NOTE, we rely on r0 being 0 from above. */ mtspr SPRN_IAMR,r0 +BEGIN_FTR_SECTION_NESTED(42) mtspr SPRN_AMOR,r0 +END_FTR_SECTION_NESTED_IFSET(CPU_FTR_HVMODE, 42) END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) /* save regs for local vars on new stack. diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index bfdd783e3916..5acb5a176dbe 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1569,16 +1569,22 @@ void arch_release_task_struct(struct task_struct *t) */ int set_thread_tidr(struct task_struct *t) { + int rc; + if (!cpu_has_feature(CPU_FTR_ARCH_300)) return -EINVAL; if (t != current) return -EINVAL; - t->thread.tidr = assign_thread_tidr(); - if (t->thread.tidr < 0) - return t->thread.tidr; + if (t->thread.tidr) + return 0; + + rc = assign_thread_tidr(); + if (rc < 0) + return rc; + t->thread.tidr = rc; mtspr(SPRN_TIDR, t->thread.tidr); return 0; diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c index 0f0b1b2f3b60..1da8b7d8c6ca 100644 --- a/arch/powerpc/kernel/rtasd.c +++ b/arch/powerpc/kernel/rtasd.c @@ -388,7 +388,7 @@ out: return error; } -static unsigned int rtas_log_poll(struct file *file, poll_table * wait) +static __poll_t rtas_log_poll(struct file *file, poll_table * wait) { poll_wait(file, &rtas_log_wait, wait); if (rtas_log_size) diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 235319c2574e..966097232d21 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -1238,8 +1238,9 @@ static unsigned long resize_hpt_rehash_hpte(struct kvm_resize_hpt *resize, unsigned long vpte, rpte, guest_rpte; int ret; struct revmap_entry *rev; - unsigned long apsize, psize, avpn, pteg, hash; + unsigned long apsize, avpn, pteg, hash; unsigned long new_idx, new_pteg, replace_vpte; + int pshift; hptep = (__be64 *)(old->virt + (idx << 4)); @@ -1298,8 +1299,8 @@ static unsigned long resize_hpt_rehash_hpte(struct kvm_resize_hpt *resize, goto out; rpte = be64_to_cpu(hptep[1]); - psize = hpte_base_page_size(vpte, rpte); - avpn = HPTE_V_AVPN_VAL(vpte) & ~((psize - 1) >> 23); + pshift = kvmppc_hpte_base_page_shift(vpte, rpte); + avpn = HPTE_V_AVPN_VAL(vpte) & ~(((1ul << pshift) - 1) >> 23); pteg = idx / HPTES_PER_GROUP; if (vpte & HPTE_V_SECONDARY) pteg = ~pteg; @@ -1311,20 +1312,20 @@ static unsigned long resize_hpt_rehash_hpte(struct kvm_resize_hpt *resize, offset = (avpn & 0x1f) << 23; vsid = avpn >> 5; /* We can find more bits from the pteg value */ - if (psize < (1ULL << 23)) - offset |= ((vsid ^ pteg) & old_hash_mask) * psize; + if (pshift < 23) + offset |= ((vsid ^ pteg) & old_hash_mask) << pshift; - hash = vsid ^ (offset / psize); + hash = vsid ^ (offset >> pshift); } else { unsigned long offset, vsid; /* We only have 40 - 23 bits of seg_off in avpn */ offset = (avpn & 0x1ffff) << 23; vsid = avpn >> 17; - if (psize < (1ULL << 23)) - offset |= ((vsid ^ (vsid << 25) ^ pteg) & old_hash_mask) * psize; + if (pshift < 23) + offset |= ((vsid ^ (vsid << 25) ^ pteg) & old_hash_mask) << pshift; - hash = vsid ^ (vsid << 25) ^ (offset / psize); + hash = vsid ^ (vsid << 25) ^ (offset >> pshift); } new_pteg = hash & new_hash_mask; @@ -1801,6 +1802,7 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf, ssize_t nb; long int err, ret; int mmu_ready; + int pshift; if (!access_ok(VERIFY_READ, buf, count)) return -EFAULT; @@ -1855,6 +1857,9 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf, err = -EINVAL; if (!(v & HPTE_V_VALID)) goto out; + pshift = kvmppc_hpte_base_page_shift(v, r); + if (pshift <= 0) + goto out; lbuf += 2; nb += HPTE_SIZE; @@ -1869,14 +1874,18 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf, goto out; } if (!mmu_ready && is_vrma_hpte(v)) { - unsigned long psize = hpte_base_page_size(v, r); - unsigned long senc = slb_pgsize_encoding(psize); - unsigned long lpcr; + unsigned long senc, lpcr; + senc = slb_pgsize_encoding(1ul << pshift); kvm->arch.vrma_slb_v = senc | SLB_VSID_B_1T | (VRMA_VSID << SLB_VSID_SHIFT_1T); - lpcr = senc << (LPCR_VRMASD_SH - 4); - kvmppc_update_lpcr(kvm, lpcr, LPCR_VRMASD); + if (!cpu_has_feature(CPU_FTR_ARCH_300)) { + lpcr = senc << (LPCR_VRMASD_SH - 4); + kvmppc_update_lpcr(kvm, lpcr, + LPCR_VRMASD); + } else { + kvmppc_setup_partition_table(kvm); + } mmu_ready = 1; } ++i; diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 79ea3d9269db..2d46037ce936 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -120,7 +120,6 @@ MODULE_PARM_DESC(h_ipi_redirect, "Redirect H_IPI wakeup to a free host core"); static void kvmppc_end_cede(struct kvm_vcpu *vcpu); static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu); -static void kvmppc_setup_partition_table(struct kvm *kvm); static inline struct kvm_vcpu *next_runnable_thread(struct kvmppc_vcore *vc, int *ip) @@ -3574,7 +3573,7 @@ static void kvmppc_mmu_destroy_hv(struct kvm_vcpu *vcpu) return; } -static void kvmppc_setup_partition_table(struct kvm *kvm) +void kvmppc_setup_partition_table(struct kvm *kvm) { unsigned long dw0, dw1; diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c index bf457843e032..8f016ccf5424 100644 --- a/arch/powerpc/kvm/book3s_xive.c +++ b/arch/powerpc/kvm/book3s_xive.c @@ -16,7 +16,7 @@ #include <linux/delay.h> #include <linux/percpu.h> #include <linux/cpumask.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/kvm_book3s.h> #include <asm/kvm_ppc.h> #include <asm/hvcall.h> diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 6b6c53c42ac9..1915e86cef6f 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1407,7 +1407,6 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) { int r; - sigset_t sigsaved; if (vcpu->mmio_needed) { vcpu->mmio_needed = 0; @@ -1448,16 +1447,14 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) #endif } - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); + kvm_sigset_activate(vcpu); if (run->immediate_exit) r = -EINTR; else r = kvmppc_vcpu_run(run, vcpu); - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &sigsaved, NULL); + kvm_sigset_deactivate(vcpu); return r; } diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index 3848af167df9..640cf566e986 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -47,7 +47,8 @@ DEFINE_RAW_SPINLOCK(native_tlbie_lock); -static inline void __tlbie(unsigned long vpn, int psize, int apsize, int ssize) +static inline unsigned long ___tlbie(unsigned long vpn, int psize, + int apsize, int ssize) { unsigned long va; unsigned int penc; @@ -100,7 +101,15 @@ static inline void __tlbie(unsigned long vpn, int psize, int apsize, int ssize) : "memory"); break; } - trace_tlbie(0, 0, va, 0, 0, 0, 0); + return va; +} + +static inline void __tlbie(unsigned long vpn, int psize, int apsize, int ssize) +{ + unsigned long rb; + + rb = ___tlbie(vpn, psize, apsize, ssize); + trace_tlbie(0, 0, rb, 0, 0, 0, 0); } static inline void __tlbiel(unsigned long vpn, int psize, int apsize, int ssize) @@ -652,7 +661,7 @@ static void native_hpte_clear(void) if (hpte_v & HPTE_V_VALID) { hpte_decode(hptep, slot, &psize, &apsize, &ssize, &vpn); hptep->v = 0; - __tlbie(vpn, psize, apsize, ssize); + ___tlbie(vpn, psize, apsize, ssize); } } diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c index 6e8a9ef8590e..1a9a756b0b2f 100644 --- a/arch/powerpc/platforms/cell/spufs/backing_ops.c +++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c @@ -86,10 +86,10 @@ static u32 spu_backing_mbox_stat_read(struct spu_context *ctx) return ctx->csa.prob.mb_stat_R; } -static unsigned int spu_backing_mbox_stat_poll(struct spu_context *ctx, - unsigned int events) +static __poll_t spu_backing_mbox_stat_poll(struct spu_context *ctx, + __poll_t events) { - int ret; + __poll_t ret; u32 stat; ret = 0; diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 5ffcdeb1eb17..fc7772c3d068 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -762,10 +762,10 @@ out: return count; } -static unsigned int spufs_ibox_poll(struct file *file, poll_table *wait) +static __poll_t spufs_ibox_poll(struct file *file, poll_table *wait) { struct spu_context *ctx = file->private_data; - unsigned int mask; + __poll_t mask; poll_wait(file, &ctx->ibox_wq, wait); @@ -898,10 +898,10 @@ out: return count; } -static unsigned int spufs_wbox_poll(struct file *file, poll_table *wait) +static __poll_t spufs_wbox_poll(struct file *file, poll_table *wait) { struct spu_context *ctx = file->private_data; - unsigned int mask; + __poll_t mask; poll_wait(file, &ctx->wbox_wq, wait); @@ -1690,11 +1690,11 @@ out: return ret; } -static unsigned int spufs_mfc_poll(struct file *file,poll_table *wait) +static __poll_t spufs_mfc_poll(struct file *file,poll_table *wait) { struct spu_context *ctx = file->private_data; u32 free_elements, tagstatus; - unsigned int mask; + __poll_t mask; poll_wait(file, &ctx->mfc_wq, wait); @@ -2455,11 +2455,11 @@ static ssize_t spufs_switch_log_read(struct file *file, char __user *buf, return cnt == 0 ? error : cnt; } -static unsigned int spufs_switch_log_poll(struct file *file, poll_table *wait) +static __poll_t spufs_switch_log_poll(struct file *file, poll_table *wait) { struct inode *inode = file_inode(file); struct spu_context *ctx = SPUFS_I(inode)->i_ctx; - unsigned int mask = 0; + __poll_t mask = 0; int rc; poll_wait(file, &ctx->switch_log->wait, wait); diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c index 8655c4cbefc2..fff58198b5b6 100644 --- a/arch/powerpc/platforms/cell/spufs/hw_ops.c +++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c @@ -56,11 +56,10 @@ static u32 spu_hw_mbox_stat_read(struct spu_context *ctx) return in_be32(&ctx->spu->problem->mb_stat_R); } -static unsigned int spu_hw_mbox_stat_poll(struct spu_context *ctx, - unsigned int events) +static __poll_t spu_hw_mbox_stat_poll(struct spu_context *ctx, __poll_t events) { struct spu *spu = ctx->spu; - int ret = 0; + __poll_t ret = 0; u32 stat; spin_lock_irq(&spu->register_lock); diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 5e59f80e95db..2d0479ad3af4 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -185,8 +185,7 @@ struct mfc_dma_command { struct spu_context_ops { int (*mbox_read) (struct spu_context * ctx, u32 * data); u32(*mbox_stat_read) (struct spu_context * ctx); - unsigned int (*mbox_stat_poll)(struct spu_context *ctx, - unsigned int events); + __poll_t (*mbox_stat_poll)(struct spu_context *ctx, __poll_t events); int (*ibox_read) (struct spu_context * ctx, u32 * data); int (*wbox_write) (struct spu_context * ctx, u32 data); u32(*signal1_read) (struct spu_context * ctx); diff --git a/arch/powerpc/platforms/powernv/opal-prd.c b/arch/powerpc/platforms/powernv/opal-prd.c index de4dd09f4a15..c18de0a9b1bd 100644 --- a/arch/powerpc/platforms/powernv/opal-prd.c +++ b/arch/powerpc/platforms/powernv/opal-prd.c @@ -147,7 +147,7 @@ static bool opal_msg_queue_empty(void) return ret; } -static unsigned int opal_prd_poll(struct file *file, +static __poll_t opal_prd_poll(struct file *file, struct poll_table_struct *wait) { poll_wait(file, &opal_prd_msg_wait, wait); diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild index 18158be62a2b..970460a0b492 100644 --- a/arch/riscv/include/asm/Kbuild +++ b/arch/riscv/include/asm/Kbuild @@ -40,6 +40,7 @@ generic-y += resource.h generic-y += scatterlist.h generic-y += sections.h generic-y += sembuf.h +generic-y += serial.h generic-y += setup.h generic-y += shmbuf.h generic-y += shmparam.h diff --git a/arch/riscv/include/asm/asm.h b/arch/riscv/include/asm/asm.h index 6cbbb6a68d76..5ad4cb622bed 100644 --- a/arch/riscv/include/asm/asm.h +++ b/arch/riscv/include/asm/asm.h @@ -58,17 +58,17 @@ #endif #if (__SIZEOF_INT__ == 4) -#define INT __ASM_STR(.word) -#define SZINT __ASM_STR(4) -#define LGINT __ASM_STR(2) +#define RISCV_INT __ASM_STR(.word) +#define RISCV_SZINT __ASM_STR(4) +#define RISCV_LGINT __ASM_STR(2) #else #error "Unexpected __SIZEOF_INT__" #endif #if (__SIZEOF_SHORT__ == 2) -#define SHORT __ASM_STR(.half) -#define SZSHORT __ASM_STR(2) -#define LGSHORT __ASM_STR(1) +#define RISCV_SHORT __ASM_STR(.half) +#define RISCV_SZSHORT __ASM_STR(2) +#define RISCV_LGSHORT __ASM_STR(1) #else #error "Unexpected __SIZEOF_SHORT__" #endif diff --git a/arch/riscv/include/asm/atomic.h b/arch/riscv/include/asm/atomic.h index e2e37c57cbeb..e65d1cd89e28 100644 --- a/arch/riscv/include/asm/atomic.h +++ b/arch/riscv/include/asm/atomic.h @@ -50,30 +50,30 @@ static __always_inline void atomic64_set(atomic64_t *v, long i) * have the AQ or RL bits set. These don't return anything, so there's only * one version to worry about. */ -#define ATOMIC_OP(op, asm_op, c_op, I, asm_type, c_type, prefix) \ -static __always_inline void atomic##prefix##_##op(c_type i, atomic##prefix##_t *v) \ -{ \ - __asm__ __volatile__ ( \ - "amo" #asm_op "." #asm_type " zero, %1, %0" \ - : "+A" (v->counter) \ - : "r" (I) \ - : "memory"); \ +#define ATOMIC_OP(op, asm_op, I, asm_type, c_type, prefix) \ +static __always_inline void atomic##prefix##_##op(c_type i, atomic##prefix##_t *v) \ +{ \ + __asm__ __volatile__ ( \ + "amo" #asm_op "." #asm_type " zero, %1, %0" \ + : "+A" (v->counter) \ + : "r" (I) \ + : "memory"); \ } #ifdef CONFIG_GENERIC_ATOMIC64 -#define ATOMIC_OPS(op, asm_op, c_op, I) \ - ATOMIC_OP (op, asm_op, c_op, I, w, int, ) +#define ATOMIC_OPS(op, asm_op, I) \ + ATOMIC_OP (op, asm_op, I, w, int, ) #else -#define ATOMIC_OPS(op, asm_op, c_op, I) \ - ATOMIC_OP (op, asm_op, c_op, I, w, int, ) \ - ATOMIC_OP (op, asm_op, c_op, I, d, long, 64) +#define ATOMIC_OPS(op, asm_op, I) \ + ATOMIC_OP (op, asm_op, I, w, int, ) \ + ATOMIC_OP (op, asm_op, I, d, long, 64) #endif -ATOMIC_OPS(add, add, +, i) -ATOMIC_OPS(sub, add, +, -i) -ATOMIC_OPS(and, and, &, i) -ATOMIC_OPS( or, or, |, i) -ATOMIC_OPS(xor, xor, ^, i) +ATOMIC_OPS(add, add, i) +ATOMIC_OPS(sub, add, -i) +ATOMIC_OPS(and, and, i) +ATOMIC_OPS( or, or, i) +ATOMIC_OPS(xor, xor, i) #undef ATOMIC_OP #undef ATOMIC_OPS @@ -83,7 +83,7 @@ ATOMIC_OPS(xor, xor, ^, i) * There's two flavors of these: the arithmatic ops have both fetch and return * versions, while the logical ops only have fetch versions. */ -#define ATOMIC_FETCH_OP(op, asm_op, c_op, I, asm_or, c_or, asm_type, c_type, prefix) \ +#define ATOMIC_FETCH_OP(op, asm_op, I, asm_or, c_or, asm_type, c_type, prefix) \ static __always_inline c_type atomic##prefix##_fetch_##op##c_or(c_type i, atomic##prefix##_t *v) \ { \ register c_type ret; \ @@ -103,13 +103,13 @@ static __always_inline c_type atomic##prefix##_##op##_return##c_or(c_type i, ato #ifdef CONFIG_GENERIC_ATOMIC64 #define ATOMIC_OPS(op, asm_op, c_op, I, asm_or, c_or) \ - ATOMIC_FETCH_OP (op, asm_op, c_op, I, asm_or, c_or, w, int, ) \ + ATOMIC_FETCH_OP (op, asm_op, I, asm_or, c_or, w, int, ) \ ATOMIC_OP_RETURN(op, asm_op, c_op, I, asm_or, c_or, w, int, ) #else #define ATOMIC_OPS(op, asm_op, c_op, I, asm_or, c_or) \ - ATOMIC_FETCH_OP (op, asm_op, c_op, I, asm_or, c_or, w, int, ) \ + ATOMIC_FETCH_OP (op, asm_op, I, asm_or, c_or, w, int, ) \ ATOMIC_OP_RETURN(op, asm_op, c_op, I, asm_or, c_or, w, int, ) \ - ATOMIC_FETCH_OP (op, asm_op, c_op, I, asm_or, c_or, d, long, 64) \ + ATOMIC_FETCH_OP (op, asm_op, I, asm_or, c_or, d, long, 64) \ ATOMIC_OP_RETURN(op, asm_op, c_op, I, asm_or, c_or, d, long, 64) #endif @@ -126,28 +126,28 @@ ATOMIC_OPS(sub, add, +, -i, .aqrl, ) #undef ATOMIC_OPS #ifdef CONFIG_GENERIC_ATOMIC64 -#define ATOMIC_OPS(op, asm_op, c_op, I, asm_or, c_or) \ - ATOMIC_FETCH_OP(op, asm_op, c_op, I, asm_or, c_or, w, int, ) +#define ATOMIC_OPS(op, asm_op, I, asm_or, c_or) \ + ATOMIC_FETCH_OP(op, asm_op, I, asm_or, c_or, w, int, ) #else -#define ATOMIC_OPS(op, asm_op, c_op, I, asm_or, c_or) \ - ATOMIC_FETCH_OP(op, asm_op, c_op, I, asm_or, c_or, w, int, ) \ - ATOMIC_FETCH_OP(op, asm_op, c_op, I, asm_or, c_or, d, long, 64) +#define ATOMIC_OPS(op, asm_op, I, asm_or, c_or) \ + ATOMIC_FETCH_OP(op, asm_op, I, asm_or, c_or, w, int, ) \ + ATOMIC_FETCH_OP(op, asm_op, I, asm_or, c_or, d, long, 64) #endif -ATOMIC_OPS(and, and, &, i, , _relaxed) -ATOMIC_OPS(and, and, &, i, .aq , _acquire) -ATOMIC_OPS(and, and, &, i, .rl , _release) -ATOMIC_OPS(and, and, &, i, .aqrl, ) +ATOMIC_OPS(and, and, i, , _relaxed) +ATOMIC_OPS(and, and, i, .aq , _acquire) +ATOMIC_OPS(and, and, i, .rl , _release) +ATOMIC_OPS(and, and, i, .aqrl, ) -ATOMIC_OPS( or, or, |, i, , _relaxed) -ATOMIC_OPS( or, or, |, i, .aq , _acquire) -ATOMIC_OPS( or, or, |, i, .rl , _release) -ATOMIC_OPS( or, or, |, i, .aqrl, ) +ATOMIC_OPS( or, or, i, , _relaxed) +ATOMIC_OPS( or, or, i, .aq , _acquire) +ATOMIC_OPS( or, or, i, .rl , _release) +ATOMIC_OPS( or, or, i, .aqrl, ) -ATOMIC_OPS(xor, xor, ^, i, , _relaxed) -ATOMIC_OPS(xor, xor, ^, i, .aq , _acquire) -ATOMIC_OPS(xor, xor, ^, i, .rl , _release) -ATOMIC_OPS(xor, xor, ^, i, .aqrl, ) +ATOMIC_OPS(xor, xor, i, , _relaxed) +ATOMIC_OPS(xor, xor, i, .aq , _acquire) +ATOMIC_OPS(xor, xor, i, .rl , _release) +ATOMIC_OPS(xor, xor, i, .aqrl, ) #undef ATOMIC_OPS @@ -182,13 +182,13 @@ ATOMIC_OPS(add_negative, add, <, 0) #undef ATOMIC_OP #undef ATOMIC_OPS -#define ATOMIC_OP(op, func_op, c_op, I, c_type, prefix) \ +#define ATOMIC_OP(op, func_op, I, c_type, prefix) \ static __always_inline void atomic##prefix##_##op(atomic##prefix##_t *v) \ { \ atomic##prefix##_##func_op(I, v); \ } -#define ATOMIC_FETCH_OP(op, func_op, c_op, I, c_type, prefix) \ +#define ATOMIC_FETCH_OP(op, func_op, I, c_type, prefix) \ static __always_inline c_type atomic##prefix##_fetch_##op(atomic##prefix##_t *v) \ { \ return atomic##prefix##_fetch_##func_op(I, v); \ @@ -202,16 +202,16 @@ static __always_inline c_type atomic##prefix##_##op##_return(atomic##prefix##_t #ifdef CONFIG_GENERIC_ATOMIC64 #define ATOMIC_OPS(op, asm_op, c_op, I) \ - ATOMIC_OP (op, asm_op, c_op, I, int, ) \ - ATOMIC_FETCH_OP (op, asm_op, c_op, I, int, ) \ + ATOMIC_OP (op, asm_op, I, int, ) \ + ATOMIC_FETCH_OP (op, asm_op, I, int, ) \ ATOMIC_OP_RETURN(op, asm_op, c_op, I, int, ) #else #define ATOMIC_OPS(op, asm_op, c_op, I) \ - ATOMIC_OP (op, asm_op, c_op, I, int, ) \ - ATOMIC_FETCH_OP (op, asm_op, c_op, I, int, ) \ + ATOMIC_OP (op, asm_op, I, int, ) \ + ATOMIC_FETCH_OP (op, asm_op, I, int, ) \ ATOMIC_OP_RETURN(op, asm_op, c_op, I, int, ) \ - ATOMIC_OP (op, asm_op, c_op, I, long, 64) \ - ATOMIC_FETCH_OP (op, asm_op, c_op, I, long, 64) \ + ATOMIC_OP (op, asm_op, I, long, 64) \ + ATOMIC_FETCH_OP (op, asm_op, I, long, 64) \ ATOMIC_OP_RETURN(op, asm_op, c_op, I, long, 64) #endif @@ -300,8 +300,13 @@ static __always_inline long atomic64_inc_not_zero(atomic64_t *v) /* * atomic_{cmp,}xchg is required to have exactly the same ordering semantics as - * {cmp,}xchg and the operations that return, so they need a barrier. We just - * use the other implementations directly. + * {cmp,}xchg and the operations that return, so they need a barrier. + */ +/* + * FIXME: atomic_cmpxchg_{acquire,release,relaxed} are all implemented by + * assigning the same barrier to both the LR and SC operations, but that might + * not make any sense. We're waiting on a memory model specification to + * determine exactly what the right thing to do is here. */ #define ATOMIC_OP(c_t, prefix, c_or, size, asm_or) \ static __always_inline c_t atomic##prefix##_cmpxchg##c_or(atomic##prefix##_t *v, c_t o, c_t n) \ diff --git a/arch/riscv/include/asm/barrier.h b/arch/riscv/include/asm/barrier.h index 183534b7c39b..773c4e039cd7 100644 --- a/arch/riscv/include/asm/barrier.h +++ b/arch/riscv/include/asm/barrier.h @@ -38,29 +38,6 @@ #define smp_rmb() RISCV_FENCE(r,r) #define smp_wmb() RISCV_FENCE(w,w) -/* - * These fences exist to enforce ordering around the relaxed AMOs. The - * documentation defines that - * " - * atomic_fetch_add(); - * is equivalent to: - * smp_mb__before_atomic(); - * atomic_fetch_add_relaxed(); - * smp_mb__after_atomic(); - * " - * So we emit full fences on both sides. - */ -#define __smb_mb__before_atomic() smp_mb() -#define __smb_mb__after_atomic() smp_mb() - -/* - * These barriers prevent accesses performed outside a spinlock from being moved - * inside a spinlock. Since RISC-V sets the aq/rl bits on our spinlock only - * enforce release consistency, we need full fences here. - */ -#define smb_mb__before_spinlock() smp_mb() -#define smb_mb__after_spinlock() smp_mb() - #include <asm-generic/barrier.h> #endif /* __ASSEMBLY__ */ diff --git a/arch/riscv/include/asm/bitops.h b/arch/riscv/include/asm/bitops.h index 7c281ef1d583..f30daf26f08f 100644 --- a/arch/riscv/include/asm/bitops.h +++ b/arch/riscv/include/asm/bitops.h @@ -67,7 +67,7 @@ : "memory"); #define __test_and_op_bit(op, mod, nr, addr) \ - __test_and_op_bit_ord(op, mod, nr, addr, ) + __test_and_op_bit_ord(op, mod, nr, addr, .aqrl) #define __op_bit(op, mod, nr, addr) \ __op_bit_ord(op, mod, nr, addr, ) diff --git a/arch/riscv/include/asm/bug.h b/arch/riscv/include/asm/bug.h index c3e13764a943..bfc7f099ab1f 100644 --- a/arch/riscv/include/asm/bug.h +++ b/arch/riscv/include/asm/bug.h @@ -27,8 +27,8 @@ typedef u32 bug_insn_t; #ifdef CONFIG_GENERIC_BUG_RELATIVE_POINTERS -#define __BUG_ENTRY_ADDR INT " 1b - 2b" -#define __BUG_ENTRY_FILE INT " %0 - 2b" +#define __BUG_ENTRY_ADDR RISCV_INT " 1b - 2b" +#define __BUG_ENTRY_FILE RISCV_INT " %0 - 2b" #else #define __BUG_ENTRY_ADDR RISCV_PTR " 1b" #define __BUG_ENTRY_FILE RISCV_PTR " %0" @@ -38,7 +38,7 @@ typedef u32 bug_insn_t; #define __BUG_ENTRY \ __BUG_ENTRY_ADDR "\n\t" \ __BUG_ENTRY_FILE "\n\t" \ - SHORT " %1" + RISCV_SHORT " %1" #else #define __BUG_ENTRY \ __BUG_ENTRY_ADDR diff --git a/arch/riscv/include/asm/cacheflush.h b/arch/riscv/include/asm/cacheflush.h index 0595585013b0..efd89a88d2d0 100644 --- a/arch/riscv/include/asm/cacheflush.h +++ b/arch/riscv/include/asm/cacheflush.h @@ -18,22 +18,44 @@ #undef flush_icache_range #undef flush_icache_user_range +#undef flush_dcache_page static inline void local_flush_icache_all(void) { asm volatile ("fence.i" ::: "memory"); } +#define PG_dcache_clean PG_arch_1 + +static inline void flush_dcache_page(struct page *page) +{ + if (test_bit(PG_dcache_clean, &page->flags)) + clear_bit(PG_dcache_clean, &page->flags); +} + +/* + * RISC-V doesn't have an instruction to flush parts of the instruction cache, + * so instead we just flush the whole thing. + */ +#define flush_icache_range(start, end) flush_icache_all() +#define flush_icache_user_range(vma, pg, addr, len) flush_icache_all() + #ifndef CONFIG_SMP -#define flush_icache_range(start, end) local_flush_icache_all() -#define flush_icache_user_range(vma, pg, addr, len) local_flush_icache_all() +#define flush_icache_all() local_flush_icache_all() +#define flush_icache_mm(mm, local) flush_icache_all() #else /* CONFIG_SMP */ -#define flush_icache_range(start, end) sbi_remote_fence_i(0) -#define flush_icache_user_range(vma, pg, addr, len) sbi_remote_fence_i(0) +#define flush_icache_all() sbi_remote_fence_i(0) +void flush_icache_mm(struct mm_struct *mm, bool local); #endif /* CONFIG_SMP */ +/* + * Bits in sys_riscv_flush_icache()'s flags argument. + */ +#define SYS_RISCV_FLUSH_ICACHE_LOCAL 1UL +#define SYS_RISCV_FLUSH_ICACHE_ALL (SYS_RISCV_FLUSH_ICACHE_LOCAL) + #endif /* _ASM_RISCV_CACHEFLUSH_H */ diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h index c1f32cfcc79b..a82ce599b639 100644 --- a/arch/riscv/include/asm/io.h +++ b/arch/riscv/include/asm/io.h @@ -19,6 +19,8 @@ #ifndef _ASM_RISCV_IO_H #define _ASM_RISCV_IO_H +#include <linux/types.h> + #ifdef CONFIG_MMU extern void __iomem *ioremap(phys_addr_t offset, unsigned long size); @@ -32,7 +34,7 @@ extern void __iomem *ioremap(phys_addr_t offset, unsigned long size); #define ioremap_wc(addr, size) ioremap((addr), (size)) #define ioremap_wt(addr, size) ioremap((addr), (size)) -extern void iounmap(void __iomem *addr); +extern void iounmap(volatile void __iomem *addr); #endif /* CONFIG_MMU */ @@ -250,7 +252,7 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) const ctype *buf = buffer; \ \ do { \ - __raw_writeq(*buf++, addr); \ + __raw_write ## len(*buf++, addr); \ } while (--count); \ } \ afence; \ @@ -266,9 +268,9 @@ __io_reads_ins(reads, u32, l, __io_br(), __io_ar()) __io_reads_ins(ins, u8, b, __io_pbr(), __io_par()) __io_reads_ins(ins, u16, w, __io_pbr(), __io_par()) __io_reads_ins(ins, u32, l, __io_pbr(), __io_par()) -#define insb(addr, buffer, count) __insb((void __iomem *)addr, buffer, count) -#define insw(addr, buffer, count) __insw((void __iomem *)addr, buffer, count) -#define insl(addr, buffer, count) __insl((void __iomem *)addr, buffer, count) +#define insb(addr, buffer, count) __insb((void __iomem *)(long)addr, buffer, count) +#define insw(addr, buffer, count) __insw((void __iomem *)(long)addr, buffer, count) +#define insl(addr, buffer, count) __insl((void __iomem *)(long)addr, buffer, count) __io_writes_outs(writes, u8, b, __io_bw(), __io_aw()) __io_writes_outs(writes, u16, w, __io_bw(), __io_aw()) @@ -280,9 +282,9 @@ __io_writes_outs(writes, u32, l, __io_bw(), __io_aw()) __io_writes_outs(outs, u8, b, __io_pbw(), __io_paw()) __io_writes_outs(outs, u16, w, __io_pbw(), __io_paw()) __io_writes_outs(outs, u32, l, __io_pbw(), __io_paw()) -#define outsb(addr, buffer, count) __outsb((void __iomem *)addr, buffer, count) -#define outsw(addr, buffer, count) __outsw((void __iomem *)addr, buffer, count) -#define outsl(addr, buffer, count) __outsl((void __iomem *)addr, buffer, count) +#define outsb(addr, buffer, count) __outsb((void __iomem *)(long)addr, buffer, count) +#define outsw(addr, buffer, count) __outsw((void __iomem *)(long)addr, buffer, count) +#define outsl(addr, buffer, count) __outsl((void __iomem *)(long)addr, buffer, count) #ifdef CONFIG_64BIT __io_reads_ins(reads, u64, q, __io_br(), __io_ar()) diff --git a/arch/riscv/include/asm/mmu.h b/arch/riscv/include/asm/mmu.h index 66805cba9a27..5df2dccdba12 100644 --- a/arch/riscv/include/asm/mmu.h +++ b/arch/riscv/include/asm/mmu.h @@ -19,6 +19,10 @@ typedef struct { void *vdso; +#ifdef CONFIG_SMP + /* A local icache flush is needed before user execution can resume. */ + cpumask_t icache_stale_mask; +#endif } mm_context_t; #endif /* __ASSEMBLY__ */ diff --git a/arch/riscv/include/asm/mmu_context.h b/arch/riscv/include/asm/mmu_context.h index de1fc1631fc4..97424834dce2 100644 --- a/arch/riscv/include/asm/mmu_context.h +++ b/arch/riscv/include/asm/mmu_context.h @@ -1,5 +1,6 @@ /* * Copyright (C) 2012 Regents of the University of California + * Copyright (C) 2017 SiFive * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -14,11 +15,13 @@ #ifndef _ASM_RISCV_MMU_CONTEXT_H #define _ASM_RISCV_MMU_CONTEXT_H +#include <linux/mm_types.h> #include <asm-generic/mm_hooks.h> #include <linux/mm.h> #include <linux/sched.h> #include <asm/tlbflush.h> +#include <asm/cacheflush.h> static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *task) @@ -46,12 +49,54 @@ static inline void set_pgdir(pgd_t *pgd) csr_write(sptbr, virt_to_pfn(pgd) | SPTBR_MODE); } +/* + * When necessary, performs a deferred icache flush for the given MM context, + * on the local CPU. RISC-V has no direct mechanism for instruction cache + * shoot downs, so instead we send an IPI that informs the remote harts they + * need to flush their local instruction caches. To avoid pathologically slow + * behavior in a common case (a bunch of single-hart processes on a many-hart + * machine, ie 'make -j') we avoid the IPIs for harts that are not currently + * executing a MM context and instead schedule a deferred local instruction + * cache flush to be performed before execution resumes on each hart. This + * actually performs that local instruction cache flush, which implicitly only + * refers to the current hart. + */ +static inline void flush_icache_deferred(struct mm_struct *mm) +{ +#ifdef CONFIG_SMP + unsigned int cpu = smp_processor_id(); + cpumask_t *mask = &mm->context.icache_stale_mask; + + if (cpumask_test_cpu(cpu, mask)) { + cpumask_clear_cpu(cpu, mask); + /* + * Ensure the remote hart's writes are visible to this hart. + * This pairs with a barrier in flush_icache_mm. + */ + smp_mb(); + local_flush_icache_all(); + } +#endif +} + static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *task) { if (likely(prev != next)) { + /* + * Mark the current MM context as inactive, and the next as + * active. This is at least used by the icache flushing + * routines in order to determine who should + */ + unsigned int cpu = smp_processor_id(); + + cpumask_clear_cpu(cpu, mm_cpumask(prev)); + cpumask_set_cpu(cpu, mm_cpumask(next)); + set_pgdir(next->pgd); local_flush_tlb_all(); + + flush_icache_deferred(next); } } diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 3399257780b2..2cbd92ed1629 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -178,28 +178,6 @@ static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long addr) #define pte_offset_map(dir, addr) pte_offset_kernel((dir), (addr)) #define pte_unmap(pte) ((void)(pte)) -/* - * Certain architectures need to do special things when PTEs within - * a page table are directly modified. Thus, the following hook is - * made available. - */ -static inline void set_pte(pte_t *ptep, pte_t pteval) -{ - *ptep = pteval; -} - -static inline void set_pte_at(struct mm_struct *mm, - unsigned long addr, pte_t *ptep, pte_t pteval) -{ - set_pte(ptep, pteval); -} - -static inline void pte_clear(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - set_pte_at(mm, addr, ptep, __pte(0)); -} - static inline int pte_present(pte_t pte) { return (pte_val(pte) & _PAGE_PRESENT); @@ -210,21 +188,22 @@ static inline int pte_none(pte_t pte) return (pte_val(pte) == 0); } -/* static inline int pte_read(pte_t pte) */ - static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITE; } +static inline int pte_exec(pte_t pte) +{ + return pte_val(pte) & _PAGE_EXEC; +} + static inline int pte_huge(pte_t pte) { return pte_present(pte) && (pte_val(pte) & (_PAGE_READ | _PAGE_WRITE | _PAGE_EXEC)); } -/* static inline int pte_exec(pte_t pte) */ - static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; @@ -311,6 +290,33 @@ static inline int pte_same(pte_t pte_a, pte_t pte_b) return pte_val(pte_a) == pte_val(pte_b); } +/* + * Certain architectures need to do special things when PTEs within + * a page table are directly modified. Thus, the following hook is + * made available. + */ +static inline void set_pte(pte_t *ptep, pte_t pteval) +{ + *ptep = pteval; +} + +void flush_icache_pte(pte_t pte); + +static inline void set_pte_at(struct mm_struct *mm, + unsigned long addr, pte_t *ptep, pte_t pteval) +{ + if (pte_present(pteval) && pte_exec(pteval)) + flush_icache_pte(pteval); + + set_pte(ptep, pteval); +} + +static inline void pte_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + set_pte_at(mm, addr, ptep, __pte(0)); +} + #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS static inline int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address, pte_t *ptep, diff --git a/arch/riscv/include/asm/spinlock.h b/arch/riscv/include/asm/spinlock.h index 04c71d938afd..2fd27e8ef1fd 100644 --- a/arch/riscv/include/asm/spinlock.h +++ b/arch/riscv/include/asm/spinlock.h @@ -24,7 +24,7 @@ /* FIXME: Replace this with a ticket lock, like MIPS. */ -#define arch_spin_is_locked(x) ((x)->lock != 0) +#define arch_spin_is_locked(x) (READ_ONCE((x)->lock) != 0) static inline void arch_spin_unlock(arch_spinlock_t *lock) { @@ -58,15 +58,6 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) } } -static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) -{ - smp_rmb(); - do { - cpu_relax(); - } while (arch_spin_is_locked(lock)); - smp_acquire__after_ctrl_dep(); -} - /***********************************************************/ static inline void arch_read_lock(arch_rwlock_t *lock) diff --git a/arch/riscv/include/asm/timex.h b/arch/riscv/include/asm/timex.h index 3df4932d8964..2f26989cb864 100644 --- a/arch/riscv/include/asm/timex.h +++ b/arch/riscv/include/asm/timex.h @@ -18,7 +18,7 @@ typedef unsigned long cycles_t; -static inline cycles_t get_cycles(void) +static inline cycles_t get_cycles_inline(void) { cycles_t n; @@ -27,6 +27,7 @@ static inline cycles_t get_cycles(void) : "=r" (n)); return n; } +#define get_cycles get_cycles_inline #ifdef CONFIG_64BIT static inline uint64_t get_cycles64(void) diff --git a/arch/riscv/include/asm/tlbflush.h b/arch/riscv/include/asm/tlbflush.h index 5ee4ae370b5e..715b0f10af58 100644 --- a/arch/riscv/include/asm/tlbflush.h +++ b/arch/riscv/include/asm/tlbflush.h @@ -17,7 +17,12 @@ #ifdef CONFIG_MMU -/* Flush entire local TLB */ +#include <linux/mm_types.h> + +/* + * Flush entire local TLB. 'sfence.vma' implicitly fences with the instruction + * cache as well, so a 'fence.i' is not necessary. + */ static inline void local_flush_tlb_all(void) { __asm__ __volatile__ ("sfence.vma" : : : "memory"); diff --git a/arch/riscv/include/asm/vdso-syscalls.h b/arch/riscv/include/asm/vdso-syscalls.h new file mode 100644 index 000000000000..a2ccf1894929 --- /dev/null +++ b/arch/riscv/include/asm/vdso-syscalls.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2017 SiFive + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _ASM_RISCV_VDSO_SYSCALLS_H +#define _ASM_RISCV_VDSO_SYSCALLS_H + +#ifdef CONFIG_SMP + +/* These syscalls are only used by the vDSO and are not in the uapi. */ +#define __NR_riscv_flush_icache (__NR_arch_specific_syscall + 15) +__SYSCALL(__NR_riscv_flush_icache, sys_riscv_flush_icache) + +#endif + +#endif /* _ASM_RISCV_VDSO_H */ diff --git a/arch/riscv/include/asm/vdso.h b/arch/riscv/include/asm/vdso.h index 602f61257553..541544d64c33 100644 --- a/arch/riscv/include/asm/vdso.h +++ b/arch/riscv/include/asm/vdso.h @@ -38,4 +38,8 @@ struct vdso_data { (void __user *)((unsigned long)(base) + __vdso_##name); \ }) +#ifdef CONFIG_SMP +asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t); +#endif + #endif /* _ASM_RISCV_VDSO_H */ diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index 76af908f87c1..78f670d70133 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -152,6 +152,3 @@ END(_start) __PAGE_ALIGNED_BSS /* Empty zero page */ .balign PAGE_SIZE -ENTRY(empty_zero_page) - .fill (empty_zero_page + PAGE_SIZE) - ., 1, 0x00 -END(empty_zero_page) diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c index 0d90dcc1fbd3..b01f71d2233b 100644 --- a/arch/riscv/kernel/process.c +++ b/arch/riscv/kernel/process.c @@ -25,9 +25,9 @@ #include <linux/sched/task_stack.h> #include <linux/tick.h> #include <linux/ptrace.h> +#include <linux/uaccess.h> #include <asm/unistd.h> -#include <asm/uaccess.h> #include <asm/processor.h> #include <asm/csr.h> #include <asm/string.h> diff --git a/arch/riscv/kernel/riscv_ksyms.c b/arch/riscv/kernel/riscv_ksyms.c index 23cc81ec9e94..551734248748 100644 --- a/arch/riscv/kernel/riscv_ksyms.c +++ b/arch/riscv/kernel/riscv_ksyms.c @@ -12,4 +12,7 @@ /* * Assembly functions that may be used (directly or indirectly) by modules */ +EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(__copy_user); +EXPORT_SYMBOL(memset); +EXPORT_SYMBOL(memcpy); diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index de7db114c315..8fbb6749910d 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -58,7 +58,12 @@ static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; #endif /* CONFIG_CMDLINE_BOOL */ unsigned long va_pa_offset; +EXPORT_SYMBOL(va_pa_offset); unsigned long pfn_base; +EXPORT_SYMBOL(pfn_base); + +unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss; +EXPORT_SYMBOL(empty_zero_page); /* The lucky hart to first increment this variable will boot the other cores */ atomic_t hart_lottery; diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c index b4a71ec5906f..6d3962435720 100644 --- a/arch/riscv/kernel/smp.c +++ b/arch/riscv/kernel/smp.c @@ -38,6 +38,13 @@ enum ipi_message_type { IPI_MAX }; + +/* Unsupported */ +int setup_profiling_timer(unsigned int multiplier) +{ + return -EINVAL; +} + irqreturn_t handle_ipi(void) { unsigned long *pending_ipis = &ipi_data[smp_processor_id()].bits; @@ -108,3 +115,51 @@ void smp_send_reschedule(int cpu) { send_ipi_message(cpumask_of(cpu), IPI_RESCHEDULE); } + +/* + * Performs an icache flush for the given MM context. RISC-V has no direct + * mechanism for instruction cache shoot downs, so instead we send an IPI that + * informs the remote harts they need to flush their local instruction caches. + * To avoid pathologically slow behavior in a common case (a bunch of + * single-hart processes on a many-hart machine, ie 'make -j') we avoid the + * IPIs for harts that are not currently executing a MM context and instead + * schedule a deferred local instruction cache flush to be performed before + * execution resumes on each hart. + */ +void flush_icache_mm(struct mm_struct *mm, bool local) +{ + unsigned int cpu; + cpumask_t others, *mask; + + preempt_disable(); + + /* Mark every hart's icache as needing a flush for this MM. */ + mask = &mm->context.icache_stale_mask; + cpumask_setall(mask); + /* Flush this hart's I$ now, and mark it as flushed. */ + cpu = smp_processor_id(); + cpumask_clear_cpu(cpu, mask); + local_flush_icache_all(); + + /* + * Flush the I$ of other harts concurrently executing, and mark them as + * flushed. + */ + cpumask_andnot(&others, mm_cpumask(mm), cpumask_of(cpu)); + local |= cpumask_empty(&others); + if (mm != current->active_mm || !local) + sbi_remote_fence_i(others.bits); + else { + /* + * It's assumed that at least one strongly ordered operation is + * performed on this hart between setting a hart's cpumask bit + * and scheduling this MM context on that hart. Sending an SBI + * remote message will do this, but in the case where no + * messages are sent we still need to order this hart's writes + * with flush_icache_deferred(). + */ + smp_mb(); + } + + preempt_enable(); +} diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 4351be7d0533..a2ae936a093e 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -14,8 +14,8 @@ */ #include <linux/syscalls.h> -#include <asm/cmpxchg.h> #include <asm/unistd.h> +#include <asm/cacheflush.h> static long riscv_sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, @@ -47,3 +47,34 @@ SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len, return riscv_sys_mmap(addr, len, prot, flags, fd, offset, 12); } #endif /* !CONFIG_64BIT */ + +#ifdef CONFIG_SMP +/* + * Allows the instruction cache to be flushed from userspace. Despite RISC-V + * having a direct 'fence.i' instruction available to userspace (which we + * can't trap!), that's not actually viable when running on Linux because the + * kernel might schedule a process on another hart. There is no way for + * userspace to handle this without invoking the kernel (as it doesn't know the + * thread->hart mappings), so we've defined a RISC-V specific system call to + * flush the instruction cache. + * + * sys_riscv_flush_icache() is defined to flush the instruction cache over an + * address range, with the flush applying to either all threads or just the + * caller. We don't currently do anything with the address range, that's just + * in there for forwards compatibility. + */ +SYSCALL_DEFINE3(riscv_flush_icache, uintptr_t, start, uintptr_t, end, + uintptr_t, flags) +{ + struct mm_struct *mm = current->mm; + bool local = (flags & SYS_RISCV_FLUSH_ICACHE_LOCAL) != 0; + + /* Check the reserved flags. */ + if (unlikely(flags & !SYS_RISCV_FLUSH_ICACHE_ALL)) + return -EINVAL; + + flush_icache_mm(mm, local); + + return 0; +} +#endif diff --git a/arch/riscv/kernel/syscall_table.c b/arch/riscv/kernel/syscall_table.c index 4e30dc5fb593..a5bd6401f95e 100644 --- a/arch/riscv/kernel/syscall_table.c +++ b/arch/riscv/kernel/syscall_table.c @@ -15,6 +15,7 @@ #include <linux/linkage.h> #include <linux/syscalls.h> #include <asm-generic/syscalls.h> +#include <asm/vdso.h> #undef __SYSCALL #define __SYSCALL(nr, call) [nr] = (call), @@ -22,4 +23,5 @@ void *sys_call_table[__NR_syscalls] = { [0 ... __NR_syscalls - 1] = sys_ni_syscall, #include <asm/unistd.h> +#include <asm/vdso-syscalls.h> }; diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile index 523d0a8ac8db..324568d33921 100644 --- a/arch/riscv/kernel/vdso/Makefile +++ b/arch/riscv/kernel/vdso/Makefile @@ -1,7 +1,12 @@ # Copied from arch/tile/kernel/vdso/Makefile # Symbols present in the vdso -vdso-syms = rt_sigreturn +vdso-syms = rt_sigreturn +vdso-syms += gettimeofday +vdso-syms += clock_gettime +vdso-syms += clock_getres +vdso-syms += getcpu +vdso-syms += flush_icache # Files to link into the vdso obj-vdso = $(patsubst %, %.o, $(vdso-syms)) diff --git a/arch/riscv/kernel/vdso/clock_getres.S b/arch/riscv/kernel/vdso/clock_getres.S new file mode 100644 index 000000000000..edf7e2339648 --- /dev/null +++ b/arch/riscv/kernel/vdso/clock_getres.S @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2017 SiFive + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/linkage.h> +#include <asm/unistd.h> + + .text +/* int __vdso_clock_getres(clockid_t clock_id, struct timespec *res); */ +ENTRY(__vdso_clock_getres) + .cfi_startproc + /* For now, just do the syscall. */ + li a7, __NR_clock_getres + ecall + ret + .cfi_endproc +ENDPROC(__vdso_clock_getres) diff --git a/arch/riscv/kernel/vdso/clock_gettime.S b/arch/riscv/kernel/vdso/clock_gettime.S new file mode 100644 index 000000000000..aac65676c6d5 --- /dev/null +++ b/arch/riscv/kernel/vdso/clock_gettime.S @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2017 SiFive + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/linkage.h> +#include <asm/unistd.h> + + .text +/* int __vdso_clock_gettime(clockid_t clock_id, struct timespec *tp); */ +ENTRY(__vdso_clock_gettime) + .cfi_startproc + /* For now, just do the syscall. */ + li a7, __NR_clock_gettime + ecall + ret + .cfi_endproc +ENDPROC(__vdso_clock_gettime) diff --git a/arch/riscv/kernel/vdso/flush_icache.S b/arch/riscv/kernel/vdso/flush_icache.S new file mode 100644 index 000000000000..b0fbad74e873 --- /dev/null +++ b/arch/riscv/kernel/vdso/flush_icache.S @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2017 SiFive + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/linkage.h> +#include <asm/unistd.h> +#include <asm/vdso-syscalls.h> + + .text +/* int __vdso_flush_icache(void *start, void *end, unsigned long flags); */ +ENTRY(__vdso_flush_icache) + .cfi_startproc +#ifdef CONFIG_SMP + li a7, __NR_riscv_flush_icache + ecall +#else + fence.i + li a0, 0 +#endif + ret + .cfi_endproc +ENDPROC(__vdso_flush_icache) diff --git a/arch/riscv/kernel/vdso/getcpu.S b/arch/riscv/kernel/vdso/getcpu.S new file mode 100644 index 000000000000..cc7e98924484 --- /dev/null +++ b/arch/riscv/kernel/vdso/getcpu.S @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2017 SiFive + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/linkage.h> +#include <asm/unistd.h> + + .text +/* int __vdso_getcpu(unsigned *cpu, unsigned *node, void *unused); */ +ENTRY(__vdso_getcpu) + .cfi_startproc + /* For now, just do the syscall. */ + li a7, __NR_getcpu + ecall + ret + .cfi_endproc +ENDPROC(__vdso_getcpu) diff --git a/arch/riscv/kernel/vdso/gettimeofday.S b/arch/riscv/kernel/vdso/gettimeofday.S new file mode 100644 index 000000000000..da85d33e8990 --- /dev/null +++ b/arch/riscv/kernel/vdso/gettimeofday.S @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2017 SiFive + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/linkage.h> +#include <asm/unistd.h> + + .text +/* int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz); */ +ENTRY(__vdso_gettimeofday) + .cfi_startproc + /* For now, just do the syscall. */ + li a7, __NR_gettimeofday + ecall + ret + .cfi_endproc +ENDPROC(__vdso_gettimeofday) diff --git a/arch/riscv/kernel/vdso/vdso.lds.S b/arch/riscv/kernel/vdso/vdso.lds.S index 8c9dce95c11d..cd1d47e0724b 100644 --- a/arch/riscv/kernel/vdso/vdso.lds.S +++ b/arch/riscv/kernel/vdso/vdso.lds.S @@ -70,8 +70,11 @@ VERSION LINUX_4.15 { global: __vdso_rt_sigreturn; - __vdso_cmpxchg32; - __vdso_cmpxchg64; + __vdso_gettimeofday; + __vdso_clock_gettime; + __vdso_clock_getres; + __vdso_getcpu; + __vdso_flush_icache; local: *; }; } diff --git a/arch/riscv/lib/delay.c b/arch/riscv/lib/delay.c index 1cc4ac3964b4..dce8ae24c6d3 100644 --- a/arch/riscv/lib/delay.c +++ b/arch/riscv/lib/delay.c @@ -84,6 +84,7 @@ void __delay(unsigned long cycles) while ((unsigned long)(get_cycles() - t0) < cycles) cpu_relax(); } +EXPORT_SYMBOL(__delay); void udelay(unsigned long usecs) { diff --git a/arch/riscv/mm/Makefile b/arch/riscv/mm/Makefile index 81f7d9ce6d88..eb22ab49b3e0 100644 --- a/arch/riscv/mm/Makefile +++ b/arch/riscv/mm/Makefile @@ -2,3 +2,4 @@ obj-y += init.o obj-y += fault.o obj-y += extable.o obj-y += ioremap.o +obj-y += cacheflush.o diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c new file mode 100644 index 000000000000..498c0a0814fe --- /dev/null +++ b/arch/riscv/mm/cacheflush.c @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2017 SiFive + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <asm/pgtable.h> +#include <asm/cacheflush.h> + +void flush_icache_pte(pte_t pte) +{ + struct page *page = pte_page(pte); + + if (!test_and_set_bit(PG_dcache_clean, &page->flags)) + flush_icache_all(); +} diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c index df2ca3c65048..81e8c983d1fb 100644 --- a/arch/riscv/mm/fault.c +++ b/arch/riscv/mm/fault.c @@ -29,7 +29,6 @@ #include <asm/pgalloc.h> #include <asm/ptrace.h> -#include <asm/uaccess.h> /* * This routine handles page faults. It determines the address and the diff --git a/arch/riscv/mm/ioremap.c b/arch/riscv/mm/ioremap.c index e99194a4077e..70ef2724cdf6 100644 --- a/arch/riscv/mm/ioremap.c +++ b/arch/riscv/mm/ioremap.c @@ -85,7 +85,7 @@ EXPORT_SYMBOL(ioremap); * * Caller must ensure there is only one unmapping for the same pointer. */ -void iounmap(void __iomem *addr) +void iounmap(volatile void __iomem *addr) { vunmap((void *)((unsigned long)addr & PAGE_MASK)); } diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 6b3f41985f28..de54cfc6109d 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # s390/Makefile # @@ -6,10 +7,6 @@ # for "archclean" and "archdep" for cleaning up and making dependencies for # this architecture # -# This file is subject to the terms and conditions of the GNU General Public -# License. See the file "COPYING" in the main directory of this archive -# for more details. -# # Copyright (C) 1994 by Linus Torvalds # diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index ef3fb1b9201f..cb6e8066b1ad 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Base infrastructure for Linux-z/VM Monitor Stream, Stage 1. * Exports appldata_register_ops() and appldata_unregister_ops() for the diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c index 598df5708501..e68136c3c23a 100644 --- a/arch/s390/appldata/appldata_mem.c +++ b/arch/s390/appldata/appldata_mem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Data gathering module for Linux-VM Monitor Stream, Stage 1. * Collects data related to memory management. diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c index 66037d2622b4..8bc14b0d1def 100644 --- a/arch/s390/appldata/appldata_net_sum.c +++ b/arch/s390/appldata/appldata_net_sum.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Data gathering module for Linux-VM Monitor Stream, Stage 1. * Collects accumulated network statistics (Packets received/transmitted, diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c index 45b3178200ab..433a994b1a89 100644 --- a/arch/s390/appldata/appldata_os.c +++ b/arch/s390/appldata/appldata_os.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Data gathering module for Linux-VM Monitor Stream, Stage 1. * Collects misc. OS related data (CPU utilization, running processes). diff --git a/arch/s390/boot/install.sh b/arch/s390/boot/install.sh index aed3069699bd..bed227f267ae 100644 --- a/arch/s390/boot/install.sh +++ b/arch/s390/boot/install.sh @@ -1,11 +1,8 @@ #!/bin/sh +# SPDX-License-Identifier: GPL-2.0 # # arch/s390x/boot/install.sh # -# This file is subject to the terms and conditions of the GNU General Public -# License. See the file "COPYING" in the main directory of this archive -# for more details. -# # Copyright (C) 1995 by Linus Torvalds # # Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index b48e20dd94e9..d60798737d86 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Cryptographic API. * @@ -11,12 +12,6 @@ * Harald Freudenberger <freude@de.ibm.com> * * Derived from "crypto/aes_generic.c" - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * */ #define KMSG_COMPONENT "aes_s390" diff --git a/arch/s390/crypto/arch_random.c b/arch/s390/crypto/arch_random.c index 36aefc07d10c..8720e9203ecf 100644 --- a/arch/s390/crypto/arch_random.c +++ b/arch/s390/crypto/arch_random.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * s390 arch random implementation. * * Copyright IBM Corp. 2017 * Author(s): Harald Freudenberger <freude@de.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * */ #include <linux/kernel.h> diff --git a/arch/s390/crypto/crc32-vx.c b/arch/s390/crypto/crc32-vx.c index 992e630c227b..436865926c26 100644 --- a/arch/s390/crypto/crc32-vx.c +++ b/arch/s390/crypto/crc32-vx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Crypto-API module for CRC-32 algorithms implemented with the * z/Architecture Vector Extension Facility. diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index 0d296662bbf0..5346b5a80bb6 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Cryptographic API. * @@ -6,12 +7,6 @@ * Copyright IBM Corp. 2003, 2011 * Author(s): Thomas Spatzier * Jan Glauber (jan.glauber@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <linux/init.h> diff --git a/arch/s390/crypto/ghash_s390.c b/arch/s390/crypto/ghash_s390.c index 564616d48d8b..3b7f96c9eead 100644 --- a/arch/s390/crypto/ghash_s390.c +++ b/arch/s390/crypto/ghash_s390.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Cryptographic API. * diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c index a4e903ed7e21..003932db8d12 100644 --- a/arch/s390/crypto/paes_s390.c +++ b/arch/s390/crypto/paes_s390.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Cryptographic API. * @@ -7,11 +8,6 @@ * Copyright IBM Corp. 2017 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> * Harald Freudenberger <freude@de.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * */ #define KMSG_COMPONENT "paes_s390" diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c index 3e47c4a0f18b..a97a1802cfb4 100644 --- a/arch/s390/crypto/prng.c +++ b/arch/s390/crypto/prng.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2006, 2015 * Author(s): Jan Glauber <jan.glauber@de.ibm.com> diff --git a/arch/s390/crypto/sha.h b/arch/s390/crypto/sha.h index 10f200790079..d6f8258b44df 100644 --- a/arch/s390/crypto/sha.h +++ b/arch/s390/crypto/sha.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Cryptographic API. * @@ -5,12 +6,6 @@ * * Copyright IBM Corp. 2007 * Author(s): Jan Glauber (jang@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * */ #ifndef _CRYPTO_ARCH_S390_SHA_H #define _CRYPTO_ARCH_S390_SHA_H diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c index 53c277999a28..944aa6b237cd 100644 --- a/arch/s390/crypto/sha256_s390.c +++ b/arch/s390/crypto/sha256_s390.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Cryptographic API. * @@ -6,12 +7,6 @@ * s390 Version: * Copyright IBM Corp. 2005, 2011 * Author(s): Jan Glauber (jang@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * */ #include <crypto/internal/hash.h> #include <linux/init.h> diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c index 2f4caa1ef123..b17eded532b1 100644 --- a/arch/s390/crypto/sha512_s390.c +++ b/arch/s390/crypto/sha512_s390.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Cryptographic API. * @@ -5,12 +6,6 @@ * * Copyright IBM Corp. 2007 * Author(s): Jan Glauber (jang@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * */ #include <crypto/internal/hash.h> #include <crypto/sha.h> diff --git a/arch/s390/crypto/sha_common.c b/arch/s390/crypto/sha_common.c index c740f77285b2..cf0718d121bc 100644 --- a/arch/s390/crypto/sha_common.c +++ b/arch/s390/crypto/sha_common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Cryptographic API. * @@ -5,12 +6,6 @@ * * Copyright IBM Corp. 2007 * Author(s): Jan Glauber (jang@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * */ #include <crypto/internal/hash.h> diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index cf8a2d92467f..43bbe63e2992 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -1,9 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Hypervisor filesystem for Linux on s390. * * Copyright IBM Corp. 2006, 2008 * Author(s): Michael Holzheu <holzheu@de.ibm.com> - * License: GPL */ #define KMSG_COMPONENT "hypfs" diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h index 792cda339af1..dd08db491b89 100644 --- a/arch/s390/include/asm/cpu_mf.h +++ b/arch/s390/include/asm/cpu_mf.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CPU-measurement facilities * * Copyright IBM Corp. 2012 * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> * Jan Glauber <jang@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #ifndef _ASM_S390_CPU_MF_H #define _ASM_S390_CPU_MF_H diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index 9a3cb3983c01..1a61b1b997f2 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -194,13 +194,14 @@ struct arch_elf_state { #define CORE_DUMP_USE_REGSET #define ELF_EXEC_PAGESIZE PAGE_SIZE -/* - * This is the base location for PIE (ET_DYN with INTERP) loads. On - * 64-bit, this is raised to 4GB to leave the entire 32-bit address - * space open for things that want to use the area for 32-bit pointers. - */ -#define ELF_ET_DYN_BASE (is_compat_task() ? 0x000400000UL : \ - 0x100000000UL) +/* This is the location that an ET_DYN program is loaded if exec'ed. Typical + use of this is to invoke "./ld.so someprog" to test out a new version of + the loader. We need to make sure that it is out of the way of the program + that it will "exec", and that there is sufficient room for the brk. 64-bit + tasks are aligned to 4GB. */ +#define ELF_ET_DYN_BASE (is_compat_task() ? \ + (STACK_TOP / 3 * 2) : \ + (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1)) /* This yields a mask that user programs can use to figure out what instruction set this CPU supports. */ diff --git a/arch/s390/include/asm/kprobes.h b/arch/s390/include/asm/kprobes.h index 921391f2341e..13de80cf741c 100644 --- a/arch/s390/include/asm/kprobes.h +++ b/arch/s390/include/asm/kprobes.h @@ -1,22 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ #ifndef _ASM_S390_KPROBES_H #define _ASM_S390_KPROBES_H /* * Kernel Probes (KProbes) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * * Copyright IBM Corp. 2002, 2006 * * 2002-Oct Created by Vamsi Krishna S <vamsi_krishna@in.ibm.com> Kernel diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index f3a9b5a445b6..e14f381757f6 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * definition for kernel virtual machines on s390 * * Copyright IBM Corp. 2008, 2009 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * * Author(s): Carsten Otte <cotte@de.ibm.com> */ diff --git a/arch/s390/include/asm/kvm_para.h b/arch/s390/include/asm/kvm_para.h index 41393052ac57..74eeec9c0a80 100644 --- a/arch/s390/include/asm/kvm_para.h +++ b/arch/s390/include/asm/kvm_para.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * definition for paravirtual devices on s390 * * Copyright IBM Corp. 2008 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * * Author(s): Christian Borntraeger <borntraeger@de.ibm.com> */ /* @@ -20,8 +17,6 @@ * * Copyright IBM Corp. 2007,2008 * Author(s): Christian Borntraeger <borntraeger@de.ibm.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. */ #ifndef __S390_KVM_PARA_H #define __S390_KVM_PARA_H diff --git a/arch/s390/include/asm/livepatch.h b/arch/s390/include/asm/livepatch.h index 6de5c6cb0061..672f95b12d40 100644 --- a/arch/s390/include/asm/livepatch.h +++ b/arch/s390/include/asm/livepatch.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * livepatch.h - s390-specific Kernel Live Patching Core * @@ -7,13 +8,6 @@ * Jiri Slaby */ -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - #ifndef ASM_LIVEPATCH_H #define ASM_LIVEPATCH_H diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index f4a07f788f78..65154eaa3714 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -28,7 +28,7 @@ static inline int init_new_context(struct task_struct *tsk, #ifdef CONFIG_PGSTE mm->context.alloc_pgste = page_table_allocate_pgste || test_thread_flag(TIF_PGSTE) || - current->mm->context.alloc_pgste; + (current->mm && current->mm->context.alloc_pgste); mm->context.has_pgste = 0; mm->context.use_skey = 0; mm->context.use_cmma = 0; diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index d7fe9838084d..57d7bc92e0b8 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -709,7 +709,7 @@ static inline unsigned long pmd_pfn(pmd_t pmd) return (pmd_val(pmd) & origin_mask) >> PAGE_SHIFT; } -#define __HAVE_ARCH_PMD_WRITE +#define pmd_write pmd_write static inline int pmd_write(pmd_t pmd) { return (pmd_val(pmd) & _SEGMENT_ENTRY_WRITE) != 0; @@ -1264,6 +1264,12 @@ static inline pud_t pud_mkwrite(pud_t pud) return pud; } +#define pud_write pud_write +static inline int pud_write(pud_t pud) +{ + return (pud_val(pud) & _REGION3_ENTRY_WRITE) != 0; +} + static inline pud_t pud_mkclean(pud_t pud) { if (pud_large(pud)) { diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h index 6bc941be6921..96f9a9151fde 100644 --- a/arch/s390/include/asm/syscall.h +++ b/arch/s390/include/asm/syscall.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Access to user system call parameters and results * * Copyright IBM Corp. 2008 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #ifndef _ASM_SYSCALL_H diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h index a702cb9d4269..25057c118d56 100644 --- a/arch/s390/include/asm/sysinfo.h +++ b/arch/s390/include/asm/sysinfo.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * definition for store system information stsi * * Copyright IBM Corp. 2001, 2008 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * * Author(s): Ulrich Weigand <weigand@de.ibm.com> * Christian Borntraeger <borntraeger@de.ibm.com> */ diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index 1807229b292f..cca406fdbe51 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -53,6 +53,7 @@ const struct cpumask *cpu_coregroup_mask(int cpu); static inline void topology_init_early(void) { } static inline void topology_schedule_update(void) { } static inline int topology_cpu_init(struct cpu *cpu) { return 0; } +static inline int topology_cpu_dedicated(int cpu_nr) { return 0; } static inline void topology_expect_change(void) { } #endif /* CONFIG_SCHED_TOPOLOGY */ diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index 9ad172dcd912..38535a57fef8 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -6,10 +6,6 @@ * * Copyright IBM Corp. 2008 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * * Author(s): Carsten Otte <cotte@de.ibm.com> * Christian Borntraeger <borntraeger@de.ibm.com> */ diff --git a/arch/s390/include/uapi/asm/kvm_para.h b/arch/s390/include/uapi/asm/kvm_para.h index 0dc86b3a7cb0..b9ab584adf43 100644 --- a/arch/s390/include/uapi/asm/kvm_para.h +++ b/arch/s390/include/uapi/asm/kvm_para.h @@ -4,9 +4,5 @@ * * Copyright IBM Corp. 2008 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * * Author(s): Christian Borntraeger <borntraeger@de.ibm.com> */ diff --git a/arch/s390/include/uapi/asm/kvm_perf.h b/arch/s390/include/uapi/asm/kvm_perf.h index c36c97ffdc6f..84606b8cc49e 100644 --- a/arch/s390/include/uapi/asm/kvm_perf.h +++ b/arch/s390/include/uapi/asm/kvm_perf.h @@ -4,10 +4,6 @@ * * Copyright 2014 IBM Corp. * Author(s): Alexander Yarygin <yarygin@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #ifndef __LINUX_KVM_PERF_S390_H diff --git a/arch/s390/include/uapi/asm/virtio-ccw.h b/arch/s390/include/uapi/asm/virtio-ccw.h index 967aad390105..3a77833c74dc 100644 --- a/arch/s390/include/uapi/asm/virtio-ccw.h +++ b/arch/s390/include/uapi/asm/virtio-ccw.h @@ -4,10 +4,6 @@ * * Copyright IBM Corp. 2013 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> */ #ifndef __KVM_VIRTIO_CCW_H diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h index 137ef473584e..d568307321fc 100644 --- a/arch/s390/include/uapi/asm/zcrypt.h +++ b/arch/s390/include/uapi/asm/zcrypt.h @@ -9,20 +9,6 @@ * Eric Rossman (edrossma@us.ibm.com) * * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __ASM_S390_ZCRYPT_H diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index 58b9e127b615..80e974adb9e8 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -1392,7 +1392,7 @@ int debug_dflt_header_fn(debug_info_t *id, struct debug_view *view, else except_str = "-"; caller = (unsigned long) entry->caller; - rc += sprintf(out_buf, "%02i %011ld:%06lu %1u %1s %02i %p ", + rc += sprintf(out_buf, "%02i %011ld:%06lu %1u %1s %02i %pK ", area, sec, usec, level, except_str, entry->id.fields.cpuid, (void *)caller); return rc; diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index 3be829721cf9..b2c68fbf2634 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Disassemble s390 instructions. * @@ -396,9 +397,14 @@ struct s390_insn *find_insn(unsigned char *code) unsigned char opfrag; int i; + /* Search the opcode offset table to find an entry which + * matches the beginning of the opcode. If there is no match + * the last entry will be used, which is the default entry for + * unknown instructions as well as 1-byte opcode instructions. + */ for (i = 0; i < ARRAY_SIZE(opcode_offset); i++) { entry = &opcode_offset[i]; - if (entry->opcode == code[0] || entry->opcode == 0) + if (entry->opcode == code[0]) break; } @@ -543,7 +549,7 @@ void show_code(struct pt_regs *regs) start += opsize; pr_cont("%s", buffer); ptr = buffer; - ptr += sprintf(ptr, "\n\t "); + ptr += sprintf(ptr, "\n "); hops++; } pr_cont("\n"); diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c index 2aa545dca4d5..5b23c4f6e50c 100644 --- a/arch/s390/kernel/dumpstack.c +++ b/arch/s390/kernel/dumpstack.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Stack dumping functions * diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index a316cd6999ad..9e5f6cd8e4c2 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -180,18 +180,17 @@ _PIF_WORK = (_PIF_PER_TRAP | _PIF_SYSCALL_RESTART) */ ENTRY(__switch_to) stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task - lgr %r1,%r2 - aghi %r1,__TASK_thread # thread_struct of prev task - lg %r5,__TASK_stack(%r3) # start of kernel stack of next - stg %r15,__THREAD_ksp(%r1) # store kernel stack of prev - lgr %r1,%r3 - aghi %r1,__TASK_thread # thread_struct of next task + lghi %r4,__TASK_stack + lghi %r1,__TASK_thread + lg %r5,0(%r4,%r3) # start of kernel stack of next + stg %r15,__THREAD_ksp(%r1,%r2) # store kernel stack of prev lgr %r15,%r5 aghi %r15,STACK_INIT # end of kernel stack of next stg %r3,__LC_CURRENT # store task struct of next stg %r15,__LC_KERNEL_STACK # store end of kernel stack - lg %r15,__THREAD_ksp(%r1) # load kernel stack of next - mvc __LC_CURRENT_PID(4,%r0),__TASK_pid(%r3) # store pid of next + lg %r15,__THREAD_ksp(%r1,%r3) # load kernel stack of next + aghi %r3,__TASK_pid + mvc __LC_CURRENT_PID(4,%r0),0(%r3) # store pid of next lmg %r6,%r15,__SF_GPRS(%r15) # load gprs of next task TSTMSK __LC_MACHINE_FLAGS,MACHINE_FLAG_LPP bzr %r14 diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 310e59e6eb4b..8ecb8726ac47 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ipl/reipl/dump support for Linux on s390. * diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 1a6521af1751..af3722c28fd9 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -1,20 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Kernel Probes (KProbes) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * * Copyright IBM Corp. 2002, 2006 * * s390 port, used ppc64 as template. Mike Grundy <grundym@us.ibm.com> diff --git a/arch/s390/kernel/lgr.c b/arch/s390/kernel/lgr.c index bf9622f0e6b1..452502f9a0d9 100644 --- a/arch/s390/kernel/lgr.c +++ b/arch/s390/kernel/lgr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux Guest Relocation (LGR) detection * diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c index 7b87991416fd..b7abfad4fd7d 100644 --- a/arch/s390/kernel/module.c +++ b/arch/s390/kernel/module.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Kernel module help for s390. * @@ -8,20 +9,6 @@ * * based on i386 version * Copyright (C) 2001 Rusty Russell. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/module.h> #include <linux/elf.h> diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c index 6ff169253cae..c7a627620e5e 100644 --- a/arch/s390/kernel/nmi.c +++ b/arch/s390/kernel/nmi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Machine check handler * diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index 746d03423333..cc085e2d2ce9 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Performance event support for s390x - CPU-measurement Counter Facility * * Copyright IBM Corp. 2012, 2017 * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #define KMSG_COMPONENT "cpum_cf" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index 227b38bd82c9..1c9ddd7aa5ec 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Performance event support for the System z CPU-measurement Sampling Facility * * Copyright IBM Corp. 2013 * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #define KMSG_COMPONENT "cpum_sf" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c index 93a386f4a3b5..0d770e513abf 100644 --- a/arch/s390/kernel/perf_event.c +++ b/arch/s390/kernel/perf_event.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Performance event support for s390x * * Copyright IBM Corp. 2012, 2013 * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #define KMSG_COMPONENT "perf" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 26c0523c1488..cd3df5514552 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -1651,6 +1651,14 @@ static const struct user_regset s390_compat_regsets[] = { .set = s390_gs_cb_set, }, { + .core_note_type = NT_S390_GS_BC, + .n = sizeof(struct gs_cb) / sizeof(__u64), + .size = sizeof(__u64), + .align = sizeof(__u64), + .get = s390_gs_bc_get, + .set = s390_gs_bc_set, + }, + { .core_note_type = NT_S390_RI_CB, .n = sizeof(struct runtime_instr_cb) / sizeof(__u64), .size = sizeof(__u64), diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 090053cf279b..793da97f9a6e 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * S390 version * Copyright IBM Corp. 1999, 2012 diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index cd4334e80b64..b8c1a85bcf2d 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -55,6 +55,7 @@ #include <asm/sigp.h> #include <asm/idle.h> #include <asm/nmi.h> +#include <asm/topology.h> #include "entry.h" enum { diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index e66687dc6144..460dcfba7d4e 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Stack trace management functions * diff --git a/arch/s390/kernel/sthyi.c b/arch/s390/kernel/sthyi.c index 12981e197f01..80b862e9c53c 100644 --- a/arch/s390/kernel/sthyi.c +++ b/arch/s390/kernel/sthyi.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * store hypervisor information instruction emulation functions. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * * Copyright IBM Corp. 2016 * Author(s): Janosch Frank <frankja@linux.vnet.ibm.com> */ diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index be6198193ec2..cf561160ea88 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Time of day based timer functions. * diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index f9b393d4a078..4d5b65e527b5 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007, 2011 * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c index 39a218703c50..f3a1c7c6824e 100644 --- a/arch/s390/kernel/vdso.c +++ b/arch/s390/kernel/vdso.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * vdso setup for s390 * * Copyright IBM Corp. 2008 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #include <linux/init.h> diff --git a/arch/s390/kernel/vdso32/clock_getres.S b/arch/s390/kernel/vdso32/clock_getres.S index eca3f001f081..f61df5253c23 100644 --- a/arch/s390/kernel/vdso32/clock_getres.S +++ b/arch/s390/kernel/vdso32/clock_getres.S @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Userland implementation of clock_getres() for 32 bits processes in a * s390 kernel for use in the vDSO * * Copyright IBM Corp. 2008 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #include <asm/vdso.h> #include <asm/asm-offsets.h> diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S index a5769b83d90e..2d6ec3abe095 100644 --- a/arch/s390/kernel/vdso32/clock_gettime.S +++ b/arch/s390/kernel/vdso32/clock_gettime.S @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Userland implementation of clock_gettime() for 32 bits processes in a * s390 kernel for use in the vDSO * * Copyright IBM Corp. 2008 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #include <asm/vdso.h> #include <asm/asm-offsets.h> diff --git a/arch/s390/kernel/vdso32/gettimeofday.S b/arch/s390/kernel/vdso32/gettimeofday.S index 63b86dceb0bf..aa8bf13a2edb 100644 --- a/arch/s390/kernel/vdso32/gettimeofday.S +++ b/arch/s390/kernel/vdso32/gettimeofday.S @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Userland implementation of gettimeofday() for 32 bits processes in a * s390 kernel for use in the vDSO * * Copyright IBM Corp. 2008 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #include <asm/vdso.h> #include <asm/asm-offsets.h> diff --git a/arch/s390/kernel/vdso64/clock_getres.S b/arch/s390/kernel/vdso64/clock_getres.S index c8513deb8c66..faf5213b15df 100644 --- a/arch/s390/kernel/vdso64/clock_getres.S +++ b/arch/s390/kernel/vdso64/clock_getres.S @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Userland implementation of clock_getres() for 64 bits processes in a * s390 kernel for use in the vDSO * * Copyright IBM Corp. 2008 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #include <asm/vdso.h> #include <asm/asm-offsets.h> diff --git a/arch/s390/kernel/vdso64/clock_gettime.S b/arch/s390/kernel/vdso64/clock_gettime.S index 5d7b56b49458..6046b3bfca46 100644 --- a/arch/s390/kernel/vdso64/clock_gettime.S +++ b/arch/s390/kernel/vdso64/clock_gettime.S @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Userland implementation of clock_gettime() for 64 bits processes in a * s390 kernel for use in the vDSO * * Copyright IBM Corp. 2008 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #include <asm/vdso.h> #include <asm/asm-offsets.h> diff --git a/arch/s390/kernel/vdso64/gettimeofday.S b/arch/s390/kernel/vdso64/gettimeofday.S index b02e62f3bc12..cc9dbc27da6f 100644 --- a/arch/s390/kernel/vdso64/gettimeofday.S +++ b/arch/s390/kernel/vdso64/gettimeofday.S @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Userland implementation of gettimeofday() for 64 bits processes in a * s390 kernel for use in the vDSO * * Copyright IBM Corp. 2008 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. */ #include <asm/vdso.h> #include <asm/asm-offsets.h> diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index dd7178fbb4f3..f24395a01918 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Virtual cpu timer based timer functions. * diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 98ad8b9e0360..9614aea5839b 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -3372,7 +3372,6 @@ static void store_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { int rc; - sigset_t sigsaved; if (kvm_run->immediate_exit) return -EINTR; @@ -3382,8 +3381,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 0; } - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); + kvm_sigset_activate(vcpu); if (!kvm_s390_user_cpu_state_ctrl(vcpu->kvm)) { kvm_s390_vcpu_start(vcpu); @@ -3417,8 +3415,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) disable_cpu_timer_accounting(vcpu); store_regs(vcpu, kvm_run); - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &sigsaved, NULL); + kvm_sigset_deactivate(vcpu); vcpu->stat.exit_userspace++; return rc; diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index 3d017171ff8f..6cf024eb2085 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Collaborative memory management interface. * diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index b2c140193b0a..05d459b638f5 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * KVM guest address space mapping code * diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index 5bea139517a2..831bdcf407bb 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * flexible mmap layout support * * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina. * All Rights Reserved. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * * Started by Ingo Molnar <mingo@elte.hu> */ diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index ae677f814bc0..4f2b65d01a70 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007, 2011 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 0fe649c0d542..4902fed221c0 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2012 * diff --git a/arch/s390/pci/pci_debug.c b/arch/s390/pci/pci_debug.c index c2f786f0ea06..b482e95b6249 100644 --- a/arch/s390/pci/pci_debug.c +++ b/arch/s390/pci/pci_debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2012,2015 * diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 0d300ee00f4e..f7aa5a77827e 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2012 * diff --git a/arch/s390/pci/pci_insn.c b/arch/s390/pci/pci_insn.c index 81b840bc6e4e..19bcb3b45a70 100644 --- a/arch/s390/pci/pci_insn.c +++ b/arch/s390/pci/pci_insn.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * s390 specific pci instructions * diff --git a/arch/score/include/uapi/asm/Kbuild b/arch/score/include/uapi/asm/Kbuild index c94ee54210bc..162fbdbb5fd5 100644 --- a/arch/score/include/uapi/asm/Kbuild +++ b/arch/score/include/uapi/asm/Kbuild @@ -1,4 +1,5 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +generic-y += poll.h generic-y += siginfo.h diff --git a/arch/score/include/uapi/asm/poll.h b/arch/score/include/uapi/asm/poll.h deleted file mode 100644 index c636b85843cd..000000000000 --- a/arch/score/include/uapi/asm/poll.h +++ /dev/null @@ -1,7 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#ifndef _ASM_SCORE_POLL_H -#define _ASM_SCORE_POLL_H - -#include <asm-generic/poll.h> - -#endif /* _ASM_SCORE_POLL_H */ diff --git a/arch/sparc/include/asm/asm-prototypes.h b/arch/sparc/include/asm/asm-prototypes.h index 96e0972e8dbf..4987c735ff56 100644 --- a/arch/sparc/include/asm/asm-prototypes.h +++ b/arch/sparc/include/asm/asm-prototypes.h @@ -6,7 +6,7 @@ #include <asm/xor.h> #include <asm/checksum.h> #include <asm/trap_block.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/atomic.h> #include <asm/ftrace.h> #include <asm/cacheflush.h> diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 5a9e96be1665..9937c5ff94a9 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -715,7 +715,7 @@ static inline unsigned long pmd_pfn(pmd_t pmd) return pte_pfn(pte); } -#define __HAVE_ARCH_PMD_WRITE +#define pmd_write pmd_write static inline unsigned long pmd_write(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); diff --git a/arch/sparc/include/uapi/asm/poll.h b/arch/sparc/include/uapi/asm/poll.h index 72356c999125..2a81e79aa3ea 100644 --- a/arch/sparc/include/uapi/asm/poll.h +++ b/arch/sparc/include/uapi/asm/poll.h @@ -2,11 +2,31 @@ #ifndef __SPARC_POLL_H #define __SPARC_POLL_H +#ifndef __KERNEL__ #define POLLWRNORM POLLOUT -#define POLLWRBAND 256 -#define POLLMSG 512 -#define POLLREMOVE 1024 -#define POLLRDHUP 2048 +#define POLLWRBAND (__force __poll_t)256 +#define POLLMSG (__force __poll_t)512 +#define POLLREMOVE (__force __poll_t)1024 +#define POLLRDHUP (__force __poll_t)2048 +#else +#define __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; + /* bit 9 -> bit 8, bit 8 -> bit 2, bit 13 -> bit 11 */ + return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6) | + ((v & 0x2000) >> 2); + + +} + +static inline __poll_t demangle_poll(__u16 v) +{ + /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */ + return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) | + ((v & 4) << 6) | ((v & 0x800) << 2)); +} +#endif #include <asm-generic/poll.h> diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 0f0f76b4f6cd..063556fe2cb1 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -19,7 +19,7 @@ lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o lib-$(CONFIG_SPARC64) += multi3.o lib-$(CONFIG_SPARC64) += fls.o lib-$(CONFIG_SPARC64) += fls64.o -obj-$(CONFIG_SPARC64) += NG4fls.o +lib-$(CONFIG_SPARC64) += NG4fls.o lib-$(CONFIG_SPARC64) += copy_page.o clear_page.o bzero.o lib-$(CONFIG_SPARC64) += csum_copy.o csum_copy_from_user.o csum_copy_to_user.o diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index 5335ba3c850e..33c0f8bb0f33 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -75,7 +75,7 @@ static int gup_huge_pmd(pmd_t *pmdp, pmd_t pmd, unsigned long addr, if (!(pmd_val(pmd) & _PAGE_VALID)) return 0; - if (write && !pmd_write(pmd)) + if (!pmd_access_permitted(pmd, write)) return 0; refs = 0; @@ -114,7 +114,7 @@ static int gup_huge_pud(pud_t *pudp, pud_t pud, unsigned long addr, if (!(pud_val(pud) & _PAGE_VALID)) return 0; - if (write && !pud_write(pud)) + if (!pud_access_permitted(pud, write)) return 0; refs = 0; diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h index 2a26cc4fefc2..adfa21b18488 100644 --- a/arch/tile/include/asm/pgtable.h +++ b/arch/tile/include/asm/pgtable.h @@ -475,7 +475,6 @@ static inline void pmd_clear(pmd_t *pmdp) #define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd))) #define pmd_huge_page(pmd) pte_huge(pmd_pte(pmd)) #define pmd_mkhuge(pmd) pte_pmd(pte_mkhuge(pmd_pte(pmd))) -#define __HAVE_ARCH_PMD_WRITE #define pfn_pmd(pfn, pgprot) pte_pmd(pfn_pte((pfn), (pgprot))) #define pmd_pfn(pmd) pte_pfn(pmd_pte(pmd)) diff --git a/arch/um/Makefile b/arch/um/Makefile index b76fcce397a1..e54dda8a0363 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -116,8 +116,15 @@ endef KBUILD_KCONFIG := $(HOST_DIR)/um/Kconfig archheaders: + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \ + kbuild-file=$(HOST_DIR)/include/asm/Kbuild \ + obj=$(HOST_DIR)/include/generated/asm + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \ + kbuild-file=$(HOST_DIR)/include/uapi/asm/Kbuild \ + obj=$(HOST_DIR)/include/generated/uapi/asm $(Q)$(MAKE) KBUILD_SRC= ARCH=$(HEADER_ARCH) archheaders + archprepare: include/generated/user_constants.h LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c index 12bdb5996bf5..7f9dbdbc4eb7 100644 --- a/arch/um/drivers/hostaudio_kern.c +++ b/arch/um/drivers/hostaudio_kern.c @@ -119,10 +119,10 @@ static ssize_t hostaudio_write(struct file *file, const char __user *buffer, return err; } -static unsigned int hostaudio_poll(struct file *file, - struct poll_table_struct *wait) +static __poll_t hostaudio_poll(struct file *file, + struct poll_table_struct *wait) { - unsigned int mask = 0; + __poll_t mask = 0; #ifdef DEBUG printk(KERN_DEBUG "hostaudio: poll called (unimplemented)\n"); diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 1bfb99770c34..977de5fb968b 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1161,7 +1161,8 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2, static inline int emulate_instruction(struct kvm_vcpu *vcpu, int emulation_type) { - return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0); + return x86_emulate_instruction(vcpu, 0, + emulation_type | EMULTYPE_NO_REEXECUTE, NULL, 0); } void kvm_enable_efer_bits(u64); diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 09f9e1e00e3b..95e2dfd75521 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1061,7 +1061,7 @@ extern int pmdp_clear_flush_young(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp); -#define __HAVE_ARCH_PMD_WRITE +#define pmd_write pmd_write static inline int pmd_write(pmd_t pmd) { return pmd_flags(pmd) & _PAGE_RW; @@ -1088,6 +1088,12 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, clear_bit(_PAGE_BIT_RW, (unsigned long *)pmdp); } +#define pud_write pud_write +static inline int pud_write(pud_t pud) +{ + return pud_flags(pud) & _PAGE_RW; +} + /* * clone_pgd_range(pgd_t *dst, pgd_t *src, int count); * diff --git a/arch/x86/include/uapi/asm/Kbuild b/arch/x86/include/uapi/asm/Kbuild index da1489cb64dc..e9f6b8e332bd 100644 --- a/arch/x86/include/uapi/asm/Kbuild +++ b/arch/x86/include/uapi/asm/Kbuild @@ -4,3 +4,4 @@ include include/uapi/asm-generic/Kbuild.asm generated-y += unistd_32.h generated-y += unistd_64.h generated-y += unistd_x32.h +generic-y += poll.h diff --git a/arch/x86/include/uapi/asm/poll.h b/arch/x86/include/uapi/asm/poll.h deleted file mode 100644 index c98509d3149e..000000000000 --- a/arch/x86/include/uapi/asm/poll.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/poll.h> diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c index e4b0d92b3ae0..ab1865342002 100644 --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -1506,7 +1506,7 @@ static ssize_t do_read(struct file *fp, char __user *buf, size_t count, loff_t * return 0; } -static unsigned int do_poll(struct file *fp, poll_table *wait) +static __poll_t do_poll(struct file *fp, poll_table *wait) { struct apm_user *as; diff --git a/arch/x86/kernel/cpu/mcheck/dev-mcelog.c b/arch/x86/kernel/cpu/mcheck/dev-mcelog.c index 7f85b76f43bc..213e8c2ca702 100644 --- a/arch/x86/kernel/cpu/mcheck/dev-mcelog.c +++ b/arch/x86/kernel/cpu/mcheck/dev-mcelog.c @@ -243,7 +243,7 @@ out: return err ? err : buf - ubuf; } -static unsigned int mce_chrdev_poll(struct file *file, poll_table *wait) +static __poll_t mce_chrdev_poll(struct file *file, poll_table *wait) { poll_wait(file, &mce_chrdev_wait, wait); if (READ_ONCE(mcelog.next)) diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h index cdc70a3a6583..c2cea6651279 100644 --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -44,7 +44,7 @@ static const struct cpuid_reg reverse_cpuid[] = { [CPUID_8086_0001_EDX] = {0x80860001, 0, CPUID_EDX}, [CPUID_1_ECX] = { 1, 0, CPUID_ECX}, [CPUID_C000_0001_EDX] = {0xc0000001, 0, CPUID_EDX}, - [CPUID_8000_0001_ECX] = {0xc0000001, 0, CPUID_ECX}, + [CPUID_8000_0001_ECX] = {0x80000001, 0, CPUID_ECX}, [CPUID_7_0_EBX] = { 7, 0, CPUID_EBX}, [CPUID_D_1_EAX] = { 0xd, 1, CPUID_EAX}, [CPUID_F_0_EDX] = { 0xf, 0, CPUID_EDX}, diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 8079d141792a..e7d04d0c8008 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4014,6 +4014,26 @@ static int em_fxsave(struct x86_emulate_ctxt *ctxt) fxstate_size(ctxt)); } +/* + * FXRSTOR might restore XMM registers not provided by the guest. Fill + * in the host registers (via FXSAVE) instead, so they won't be modified. + * (preemption has to stay disabled until FXRSTOR). + * + * Use noinline to keep the stack for other functions called by callers small. + */ +static noinline int fxregs_fixup(struct fxregs_state *fx_state, + const size_t used_size) +{ + struct fxregs_state fx_tmp; + int rc; + + rc = asm_safe("fxsave %[fx]", , [fx] "+m"(fx_tmp)); + memcpy((void *)fx_state + used_size, (void *)&fx_tmp + used_size, + __fxstate_size(16) - used_size); + + return rc; +} + static int em_fxrstor(struct x86_emulate_ctxt *ctxt) { struct fxregs_state fx_state; @@ -4024,19 +4044,19 @@ static int em_fxrstor(struct x86_emulate_ctxt *ctxt) if (rc != X86EMUL_CONTINUE) return rc; + size = fxstate_size(ctxt); + rc = segmented_read_std(ctxt, ctxt->memop.addr.mem, &fx_state, size); + if (rc != X86EMUL_CONTINUE) + return rc; + ctxt->ops->get_fpu(ctxt); - size = fxstate_size(ctxt); if (size < __fxstate_size(16)) { - rc = asm_safe("fxsave %[fx]", , [fx] "+m"(fx_state)); + rc = fxregs_fixup(&fx_state, size); if (rc != X86EMUL_CONTINUE) goto out; } - rc = segmented_read_std(ctxt, ctxt->memop.addr.mem, &fx_state, size); - if (rc != X86EMUL_CONTINUE) - goto out; - if (fx_state.mxcsr >> 16) { rc = emulate_gp(ctxt, 0); goto out; @@ -5000,6 +5020,8 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len) bool op_prefix = false; bool has_seg_override = false; struct opcode opcode; + u16 dummy; + struct desc_struct desc; ctxt->memop.type = OP_NONE; ctxt->memopp = NULL; @@ -5018,6 +5040,11 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len) switch (mode) { case X86EMUL_MODE_REAL: case X86EMUL_MODE_VM86: + def_op_bytes = def_ad_bytes = 2; + ctxt->ops->get_segment(ctxt, &dummy, &desc, NULL, VCPU_SREG_CS); + if (desc.d) + def_op_bytes = def_ad_bytes = 4; + break; case X86EMUL_MODE_PROT16: def_op_bytes = def_ad_bytes = 2; break; diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c index bdff437acbcb..4e822ad363f3 100644 --- a/arch/x86/kvm/ioapic.c +++ b/arch/x86/kvm/ioapic.c @@ -209,12 +209,12 @@ static int ioapic_set_irq(struct kvm_ioapic *ioapic, unsigned int irq, old_irr = ioapic->irr; ioapic->irr |= mask; - if (edge) + if (edge) { ioapic->irr_delivered &= ~mask; - if ((edge && old_irr == ioapic->irr) || - (!edge && entry.fields.remote_irr)) { - ret = 0; - goto out; + if (old_irr == ioapic->irr) { + ret = 0; + goto out; + } } ret = ioapic_service(ioapic, irq, line_status); @@ -257,8 +257,7 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, ulong *ioapic_handled_vectors) index == RTC_GSI) { if (kvm_apic_match_dest(vcpu, NULL, 0, e->fields.dest_id, e->fields.dest_mode) || - (e->fields.trig_mode == IOAPIC_EDGE_TRIG && - kvm_apic_pending_eoi(vcpu, e->fields.vector))) + kvm_apic_pending_eoi(vcpu, e->fields.vector)) __set_bit(e->fields.vector, ioapic_handled_vectors); } @@ -277,6 +276,7 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) { unsigned index; bool mask_before, mask_after; + int old_remote_irr, old_delivery_status; union kvm_ioapic_redirect_entry *e; switch (ioapic->ioregsel) { @@ -299,14 +299,28 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) return; e = &ioapic->redirtbl[index]; mask_before = e->fields.mask; + /* Preserve read-only fields */ + old_remote_irr = e->fields.remote_irr; + old_delivery_status = e->fields.delivery_status; if (ioapic->ioregsel & 1) { e->bits &= 0xffffffff; e->bits |= (u64) val << 32; } else { e->bits &= ~0xffffffffULL; e->bits |= (u32) val; - e->fields.remote_irr = 0; } + e->fields.remote_irr = old_remote_irr; + e->fields.delivery_status = old_delivery_status; + + /* + * Some OSes (Linux, Xen) assume that Remote IRR bit will + * be cleared by IOAPIC hardware when the entry is configured + * as edge-triggered. This behavior is used to simulate an + * explicit EOI on IOAPICs that don't have the EOI register. + */ + if (e->fields.trig_mode == IOAPIC_EDGE_TRIG) + e->fields.remote_irr = 0; + mask_after = e->fields.mask; if (mask_before != mask_after) kvm_fire_mask_notifiers(ioapic->kvm, KVM_IRQCHIP_IOAPIC, index, mask_after); @@ -324,7 +338,9 @@ static int ioapic_service(struct kvm_ioapic *ioapic, int irq, bool line_status) struct kvm_lapic_irq irqe; int ret; - if (entry->fields.mask) + if (entry->fields.mask || + (entry->fields.trig_mode == IOAPIC_LEVEL_TRIG && + entry->fields.remote_irr)) return -1; ioapic_debug("dest=%x dest_mode=%x delivery_mode=%x " diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 943acbf00c69..e2c1fb8d35ce 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -266,9 +266,14 @@ static inline void kvm_apic_set_ldr(struct kvm_lapic *apic, u32 id) recalculate_apic_map(apic->vcpu->kvm); } +static inline u32 kvm_apic_calc_x2apic_ldr(u32 id) +{ + return ((id >> 4) << 16) | (1 << (id & 0xf)); +} + static inline void kvm_apic_set_x2apic_id(struct kvm_lapic *apic, u32 id) { - u32 ldr = ((id >> 4) << 16) | (1 << (id & 0xf)); + u32 ldr = kvm_apic_calc_x2apic_ldr(id); WARN_ON_ONCE(id != apic->vcpu->vcpu_id); @@ -2245,6 +2250,7 @@ static int kvm_apic_state_fixup(struct kvm_vcpu *vcpu, { if (apic_x2apic_mode(vcpu->arch.apic)) { u32 *id = (u32 *)(s->regs + APIC_ID); + u32 *ldr = (u32 *)(s->regs + APIC_LDR); if (vcpu->kvm->arch.x2apic_format) { if (*id != vcpu->vcpu_id) @@ -2255,6 +2261,10 @@ static int kvm_apic_state_fixup(struct kvm_vcpu *vcpu, else *id <<= 24; } + + /* In x2APIC mode, the LDR is fixed and based on the id */ + if (set) + *ldr = kvm_apic_calc_x2apic_ldr(*id); } return 0; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 59e13a79c2e3..eb714f1cdf7e 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -361,6 +361,7 @@ static void recalc_intercepts(struct vcpu_svm *svm) { struct vmcb_control_area *c, *h; struct nested_state *g; + u32 h_intercept_exceptions; mark_dirty(svm->vmcb, VMCB_INTERCEPTS); @@ -371,9 +372,14 @@ static void recalc_intercepts(struct vcpu_svm *svm) h = &svm->nested.hsave->control; g = &svm->nested; + /* No need to intercept #UD if L1 doesn't intercept it */ + h_intercept_exceptions = + h->intercept_exceptions & ~(1U << UD_VECTOR); + c->intercept_cr = h->intercept_cr | g->intercept_cr; c->intercept_dr = h->intercept_dr | g->intercept_dr; - c->intercept_exceptions = h->intercept_exceptions | g->intercept_exceptions; + c->intercept_exceptions = + h_intercept_exceptions | g->intercept_exceptions; c->intercept = h->intercept | g->intercept; } @@ -2196,7 +2202,10 @@ static int ud_interception(struct vcpu_svm *svm) { int er; + WARN_ON_ONCE(is_guest_mode(&svm->vcpu)); er = emulate_instruction(&svm->vcpu, EMULTYPE_TRAP_UD); + if (er == EMULATE_USER_EXIT) + return 0; if (er != EMULATE_DONE) kvm_queue_exception(&svm->vcpu, UD_VECTOR); return 1; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 714a0673ec3c..4704aaf6d19e 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1887,7 +1887,7 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu) { u32 eb; - eb = (1u << PF_VECTOR) | (1u << UD_VECTOR) | (1u << MC_VECTOR) | + eb = (1u << PF_VECTOR) | (1u << MC_VECTOR) | (1u << DB_VECTOR) | (1u << AC_VECTOR); if ((vcpu->guest_debug & (KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP)) == @@ -1905,6 +1905,8 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu) */ if (is_guest_mode(vcpu)) eb |= get_vmcs12(vcpu)->exception_bitmap; + else + eb |= 1u << UD_VECTOR; vmcs_write32(EXCEPTION_BITMAP, eb); } @@ -5600,7 +5602,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) vmcs_write64(GUEST_IA32_DEBUGCTL, 0); } - vmcs_writel(GUEST_RFLAGS, 0x02); + kvm_set_rflags(vcpu, X86_EFLAGS_FIXED); kvm_rip_write(vcpu, 0xfff0); vmcs_writel(GUEST_GDTR_BASE, 0); @@ -5915,11 +5917,10 @@ static int handle_exception(struct kvm_vcpu *vcpu) return 1; /* already handled by vmx_vcpu_run() */ if (is_invalid_opcode(intr_info)) { - if (is_guest_mode(vcpu)) { - kvm_queue_exception(vcpu, UD_VECTOR); - return 1; - } + WARN_ON_ONCE(is_guest_mode(vcpu)); er = emulate_instruction(vcpu, EMULTYPE_TRAP_UD); + if (er == EMULATE_USER_EXIT) + return 0; if (er != EMULATE_DONE) kvm_queue_exception(vcpu, UD_VECTOR); return 1; @@ -6602,7 +6603,7 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu) if (kvm_test_request(KVM_REQ_EVENT, vcpu)) return 1; - err = emulate_instruction(vcpu, EMULTYPE_NO_REEXECUTE); + err = emulate_instruction(vcpu, 0); if (err == EMULATE_USER_EXIT) { ++vcpu->stat.mmio_exits; @@ -7414,10 +7415,11 @@ static inline void nested_release_vmcs12(struct vcpu_vmx *vmx) */ static void free_nested(struct vcpu_vmx *vmx) { - if (!vmx->nested.vmxon) + if (!vmx->nested.vmxon && !vmx->nested.smm.vmxon) return; vmx->nested.vmxon = false; + vmx->nested.smm.vmxon = false; free_vpid(vmx->nested.vpid02); vmx->nested.posted_intr_nv = -1; vmx->nested.current_vmptr = -1ull; @@ -9800,8 +9802,7 @@ static void nested_vmx_cr_fixed1_bits_update(struct kvm_vcpu *vcpu) cr4_fixed1_update(X86_CR4_SMEP, ebx, bit(X86_FEATURE_SMEP)); cr4_fixed1_update(X86_CR4_SMAP, ebx, bit(X86_FEATURE_SMAP)); cr4_fixed1_update(X86_CR4_PKE, ecx, bit(X86_FEATURE_PKU)); - /* TODO: Use X86_CR4_UMIP and X86_FEATURE_UMIP macros */ - cr4_fixed1_update(bit(11), ecx, bit(2)); + cr4_fixed1_update(X86_CR4_UMIP, ecx, bit(X86_FEATURE_UMIP)); #undef cr4_fixed1_update } @@ -10875,6 +10876,11 @@ static int check_vmentry_postreqs(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, return 1; } + if ((vmcs12->vm_entry_controls & VM_ENTRY_LOAD_BNDCFGS) && + (is_noncanonical_address(vmcs12->guest_bndcfgs & PAGE_MASK, vcpu) || + (vmcs12->guest_bndcfgs & MSR_IA32_BNDCFGS_RSVD))) + return 1; + return 0; } @@ -11099,13 +11105,12 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu, bool external_intr) { struct vcpu_vmx *vmx = to_vmx(vcpu); unsigned long exit_qual; - - if (kvm_event_needs_reinjection(vcpu)) - return -EBUSY; + bool block_nested_events = + vmx->nested.nested_run_pending || kvm_event_needs_reinjection(vcpu); if (vcpu->arch.exception.pending && nested_vmx_check_exception(vcpu, &exit_qual)) { - if (vmx->nested.nested_run_pending) + if (block_nested_events) return -EBUSY; nested_vmx_inject_exception_vmexit(vcpu, exit_qual); vcpu->arch.exception.pending = false; @@ -11114,14 +11119,14 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu, bool external_intr) if (nested_cpu_has_preemption_timer(get_vmcs12(vcpu)) && vmx->nested.preemption_timer_expired) { - if (vmx->nested.nested_run_pending) + if (block_nested_events) return -EBUSY; nested_vmx_vmexit(vcpu, EXIT_REASON_PREEMPTION_TIMER, 0, 0); return 0; } if (vcpu->arch.nmi_pending && nested_exit_on_nmi(vcpu)) { - if (vmx->nested.nested_run_pending) + if (block_nested_events) return -EBUSY; nested_vmx_vmexit(vcpu, EXIT_REASON_EXCEPTION_NMI, NMI_VECTOR | INTR_TYPE_NMI_INTR | @@ -11137,7 +11142,7 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu, bool external_intr) if ((kvm_cpu_has_interrupt(vcpu) || external_intr) && nested_exit_on_intr(vcpu)) { - if (vmx->nested.nested_run_pending) + if (block_nested_events) return -EBUSY; nested_vmx_vmexit(vcpu, EXIT_REASON_EXTERNAL_INTERRUPT, 0, 0); return 0; @@ -11324,6 +11329,24 @@ static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, kvm_clear_interrupt_queue(vcpu); } +static void load_vmcs12_mmu_host_state(struct kvm_vcpu *vcpu, + struct vmcs12 *vmcs12) +{ + u32 entry_failure_code; + + nested_ept_uninit_mmu_context(vcpu); + + /* + * Only PDPTE load can fail as the value of cr3 was checked on entry and + * couldn't have changed. + */ + if (nested_vmx_load_cr3(vcpu, vmcs12->host_cr3, false, &entry_failure_code)) + nested_vmx_abort(vcpu, VMX_ABORT_LOAD_HOST_PDPTE_FAIL); + + if (!enable_ept) + vcpu->arch.walk_mmu->inject_page_fault = kvm_inject_page_fault; +} + /* * A part of what we need to when the nested L2 guest exits and we want to * run its L1 parent, is to reset L1's guest state to the host state specified @@ -11337,7 +11360,6 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) { struct kvm_segment seg; - u32 entry_failure_code; if (vmcs12->vm_exit_controls & VM_EXIT_LOAD_IA32_EFER) vcpu->arch.efer = vmcs12->host_ia32_efer; @@ -11364,17 +11386,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK); vmx_set_cr4(vcpu, vmcs12->host_cr4); - nested_ept_uninit_mmu_context(vcpu); - - /* - * Only PDPTE load can fail as the value of cr3 was checked on entry and - * couldn't have changed. - */ - if (nested_vmx_load_cr3(vcpu, vmcs12->host_cr3, false, &entry_failure_code)) - nested_vmx_abort(vcpu, VMX_ABORT_LOAD_HOST_PDPTE_FAIL); - - if (!enable_ept) - vcpu->arch.walk_mmu->inject_page_fault = kvm_inject_page_fault; + load_vmcs12_mmu_host_state(vcpu, vmcs12); if (enable_vpid) { /* @@ -11604,6 +11616,9 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason, * accordingly. */ nested_vmx_failValid(vcpu, VMXERR_ENTRY_INVALID_CONTROL_FIELD); + + load_vmcs12_mmu_host_state(vcpu, vmcs12); + /* * The emulated instruction was already skipped in * nested_vmx_run, but the updated RIP was never diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 34c85aa2e2d1..eee8e7faf1af 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -107,6 +107,9 @@ EXPORT_SYMBOL_GPL(kvm_x86_ops); static bool __read_mostly ignore_msrs = 0; module_param(ignore_msrs, bool, S_IRUGO | S_IWUSR); +static bool __read_mostly report_ignored_msrs = true; +module_param(report_ignored_msrs, bool, S_IRUGO | S_IWUSR); + unsigned int min_timer_period_us = 500; module_param(min_timer_period_us, uint, S_IRUGO | S_IWUSR); @@ -1795,10 +1798,13 @@ u64 get_kvmclock_ns(struct kvm *kvm) /* both __this_cpu_read() and rdtsc() should be on the same cpu */ get_cpu(); - kvm_get_time_scale(NSEC_PER_SEC, __this_cpu_read(cpu_tsc_khz) * 1000LL, - &hv_clock.tsc_shift, - &hv_clock.tsc_to_system_mul); - ret = __pvclock_read_cycles(&hv_clock, rdtsc()); + if (__this_cpu_read(cpu_tsc_khz)) { + kvm_get_time_scale(NSEC_PER_SEC, __this_cpu_read(cpu_tsc_khz) * 1000LL, + &hv_clock.tsc_shift, + &hv_clock.tsc_to_system_mul); + ret = __pvclock_read_cycles(&hv_clock, rdtsc()); + } else + ret = ktime_get_boot_ns() + ka->kvmclock_offset; put_cpu(); @@ -1830,6 +1836,9 @@ static void kvm_setup_pvclock_page(struct kvm_vcpu *v) */ BUILD_BUG_ON(offsetof(struct pvclock_vcpu_time_info, version) != 0); + if (guest_hv_clock.version & 1) + ++guest_hv_clock.version; /* first time write, random junk */ + vcpu->hv_clock.version = guest_hv_clock.version + 1; kvm_write_guest_cached(v->kvm, &vcpu->pv_time, &vcpu->hv_clock, @@ -2322,7 +2331,9 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) /* Drop writes to this legacy MSR -- see rdmsr * counterpart for further detail. */ - vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data 0x%llx\n", msr, data); + if (report_ignored_msrs) + vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data 0x%llx\n", + msr, data); break; case MSR_AMD64_OSVW_ID_LENGTH: if (!guest_cpuid_has(vcpu, X86_FEATURE_OSVW)) @@ -2359,8 +2370,10 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) msr, data); return 1; } else { - vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data 0x%llx\n", - msr, data); + if (report_ignored_msrs) + vcpu_unimpl(vcpu, + "ignored wrmsr: 0x%x data 0x%llx\n", + msr, data); break; } } @@ -2578,7 +2591,9 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) msr_info->index); return 1; } else { - vcpu_unimpl(vcpu, "ignored rdmsr: 0x%x\n", msr_info->index); + if (report_ignored_msrs) + vcpu_unimpl(vcpu, "ignored rdmsr: 0x%x\n", + msr_info->index); msr_info->data = 0; } break; @@ -5430,7 +5445,7 @@ static int handle_emulation_failure(struct kvm_vcpu *vcpu) vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION; vcpu->run->internal.ndata = 0; - r = EMULATE_FAIL; + r = EMULATE_USER_EXIT; } kvm_queue_exception(vcpu, UD_VECTOR); @@ -5722,6 +5737,8 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, if (reexecute_instruction(vcpu, cr2, write_fault_to_spt, emulation_type)) return EMULATE_DONE; + if (ctxt->have_exception && inject_emulated_exception(vcpu)) + return EMULATE_DONE; if (emulation_type & EMULTYPE_SKIP) return EMULATE_FAIL; return handle_emulation_failure(vcpu); @@ -7250,12 +7267,10 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { struct fpu *fpu = ¤t->thread.fpu; int r; - sigset_t sigsaved; fpu__initialize(fpu); - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); + kvm_sigset_activate(vcpu); if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) { if (kvm_run->immediate_exit) { @@ -7298,8 +7313,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) out: post_kvm_run_save(vcpu); - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &sigsaved, NULL); + kvm_sigset_deactivate(vcpu); return r; } diff --git a/arch/xtensa/include/uapi/asm/poll.h b/arch/xtensa/include/uapi/asm/poll.h index 4d249040b33d..e3246d41182c 100644 --- a/arch/xtensa/include/uapi/asm/poll.h +++ b/arch/xtensa/include/uapi/asm/poll.h @@ -12,9 +12,26 @@ #ifndef _XTENSA_POLL_H #define _XTENSA_POLL_H +#ifndef __KERNEL__ #define POLLWRNORM POLLOUT -#define POLLWRBAND 0x0100 -#define POLLREMOVE 0x0800 +#define POLLWRBAND (__force __poll_t)0x0100 +#define POLLREMOVE (__force __poll_t)0x0800 +#else +#define __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; + /* bit 9 -> bit 8, bit 8 -> bit 2 */ + return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6); +} + +static inline __poll_t demangle_poll(__u16 v) +{ + /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */ + return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) | + ((v & 4) << 6)); +} +#endif #include <asm-generic/poll.h> diff --git a/block/bio.c b/block/bio.c index 228229f3bb76..8bfdea58159b 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1819,7 +1819,7 @@ EXPORT_SYMBOL(bio_endio); struct bio *bio_split(struct bio *bio, int sectors, gfp_t gfp, struct bio_set *bs) { - struct bio *split = NULL; + struct bio *split; BUG_ON(sectors <= 0); BUG_ON(sectors >= bio_sectors(bio)); diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index e54be402899d..870484eaed1f 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -450,12 +450,9 @@ static ssize_t queue_wb_lat_store(struct request_queue *q, const char *page, ret = wbt_init(q); if (ret) return ret; - - rwb = q->rq_wb; - if (!rwb) - return -EINVAL; } + rwb = q->rq_wb; if (val == -1) rwb->min_lat_nsec = wbt_default_latency_nsec(q); else if (val >= 0) diff --git a/block/blk-wbt.c b/block/blk-wbt.c index b252da0e4c11..ae8de9780085 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -178,12 +178,11 @@ void wbt_done(struct rq_wb *rwb, struct blk_issue_stat *stat) if (wbt_is_read(stat)) wb_timestamp(rwb, &rwb->last_comp); - wbt_clear_state(stat); } else { WARN_ON_ONCE(stat == rwb->sync_cookie); __wbt_done(rwb, wbt_stat_to_mask(stat)); - wbt_clear_state(stat); } + wbt_clear_state(stat); } /* @@ -482,7 +481,7 @@ static inline unsigned int get_limit(struct rq_wb *rwb, unsigned long rw) /* * At this point we know it's a buffered write. If this is - * kswapd trying to free memory, or REQ_SYNC is set, set, then + * kswapd trying to free memory, or REQ_SYNC is set, then * it's WB_SYNC_ALL writeback, and we'll use the max limit for * that. If the write is marked as a background write, then use * the idle limit, or go to normal if we haven't had competing @@ -723,8 +722,6 @@ int wbt_init(struct request_queue *q) init_waitqueue_head(&rwb->rq_wait[i].wait); } - rwb->wc = 1; - rwb->queue_depth = RWB_DEF_DEPTH; rwb->last_comp = rwb->last_issue = jiffies; rwb->queue = q; rwb->win_nsec = RWB_WINDOW_NSEC; diff --git a/block/bsg.c b/block/bsg.c index 452f94f1c5d4..636bfcdb5d5f 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -845,10 +845,10 @@ static int bsg_release(struct inode *inode, struct file *file) return bsg_put_device(bd); } -static unsigned int bsg_poll(struct file *file, poll_table *wait) +static __poll_t bsg_poll(struct file *file, poll_table *wait) { struct bsg_device *bd = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &bd->wq_done, wait); poll_wait(file, &bd->wq_free, wait); diff --git a/block/genhd.c b/block/genhd.c index c2223f12a805..96a66f671720 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -671,10 +671,13 @@ void device_add_disk(struct device *parent, struct gendisk *disk) disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO; disk->flags |= GENHD_FL_NO_PART_SCAN; } else { + int ret; + /* Register BDI before referencing it from bdev */ disk_to_dev(disk)->devt = devt; - bdi_register_owner(disk->queue->backing_dev_info, - disk_to_dev(disk)); + ret = bdi_register_owner(disk->queue->backing_dev_info, + disk_to_dev(disk)); + WARN_ON(ret); blk_register_region(disk_devt(disk), disk->minors, NULL, exact_match, exact_lock, disk); } @@ -1389,7 +1392,7 @@ struct gendisk *__alloc_disk_node(int minors, int node_id) if (minors > DISK_MAX_PARTS) { printk(KERN_ERR - "block: can't allocated more than %d partitions\n", + "block: can't allocate more than %d partitions\n", DISK_MAX_PARTS); minors = DISK_MAX_PARTS; } diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 85cea9de324a..a5748a076ec8 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -1021,6 +1021,18 @@ unlock: EXPORT_SYMBOL_GPL(af_alg_sendpage); /** + * af_alg_free_resources - release resources required for crypto request + */ +void af_alg_free_resources(struct af_alg_async_req *areq) +{ + struct sock *sk = areq->sk; + + af_alg_free_areq_sgls(areq); + sock_kfree_s(sk, areq, areq->areqlen); +} +EXPORT_SYMBOL_GPL(af_alg_free_resources); + +/** * af_alg_async_cb - AIO callback handler * * This handler cleans up the struct af_alg_async_req upon completion of the @@ -1036,31 +1048,26 @@ void af_alg_async_cb(struct crypto_async_request *_req, int err) struct kiocb *iocb = areq->iocb; unsigned int resultlen; - lock_sock(sk); - /* Buffer size written by crypto operation. */ resultlen = areq->outlen; - af_alg_free_areq_sgls(areq); - sock_kfree_s(sk, areq, areq->areqlen); - __sock_put(sk); + af_alg_free_resources(areq); + sock_put(sk); iocb->ki_complete(iocb, err ? err : resultlen, 0); - - release_sock(sk); } EXPORT_SYMBOL_GPL(af_alg_async_cb); /** * af_alg_poll - poll system call handler */ -unsigned int af_alg_poll(struct file *file, struct socket *sock, +__poll_t af_alg_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); struct af_alg_ctx *ctx = ask->private; - unsigned int mask; + __poll_t mask; sock_poll_wait(file, sk_sleep(sk), wait); mask = 0; diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index aacae0837aff..805f485ddf1b 100644 --- a/crypto/algif_aead.c +++ b/crypto/algif_aead.c @@ -101,10 +101,10 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, struct aead_tfm *aeadc = pask->private; struct crypto_aead *tfm = aeadc->aead; struct crypto_skcipher *null_tfm = aeadc->null_tfm; - unsigned int as = crypto_aead_authsize(tfm); + unsigned int i, as = crypto_aead_authsize(tfm); struct af_alg_async_req *areq; - struct af_alg_tsgl *tsgl; - struct scatterlist *src; + struct af_alg_tsgl *tsgl, *tmp; + struct scatterlist *rsgl_src, *tsgl_src = NULL; int err = 0; size_t used = 0; /* [in] TX bufs to be en/decrypted */ size_t outlen = 0; /* [out] RX bufs produced by kernel */ @@ -178,7 +178,22 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, } processed = used + ctx->aead_assoclen; - tsgl = list_first_entry(&ctx->tsgl_list, struct af_alg_tsgl, list); + list_for_each_entry_safe(tsgl, tmp, &ctx->tsgl_list, list) { + for (i = 0; i < tsgl->cur; i++) { + struct scatterlist *process_sg = tsgl->sg + i; + + if (!(process_sg->length) || !sg_page(process_sg)) + continue; + tsgl_src = process_sg; + break; + } + if (tsgl_src) + break; + } + if (processed && !tsgl_src) { + err = -EFAULT; + goto free; + } /* * Copy of AAD from source to destination @@ -194,7 +209,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, */ /* Use the RX SGL as source (and destination) for crypto op. */ - src = areq->first_rsgl.sgl.sg; + rsgl_src = areq->first_rsgl.sgl.sg; if (ctx->enc) { /* @@ -207,7 +222,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, * v v * RX SGL: AAD || PT || Tag */ - err = crypto_aead_copy_sgl(null_tfm, tsgl->sg, + err = crypto_aead_copy_sgl(null_tfm, tsgl_src, areq->first_rsgl.sgl.sg, processed); if (err) goto free; @@ -225,7 +240,7 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, */ /* Copy AAD || CT to RX SGL buffer for in-place operation. */ - err = crypto_aead_copy_sgl(null_tfm, tsgl->sg, + err = crypto_aead_copy_sgl(null_tfm, tsgl_src, areq->first_rsgl.sgl.sg, outlen); if (err) goto free; @@ -257,23 +272,34 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, areq->tsgl); } else /* no RX SGL present (e.g. authentication only) */ - src = areq->tsgl; + rsgl_src = areq->tsgl; } /* Initialize the crypto operation */ - aead_request_set_crypt(&areq->cra_u.aead_req, src, + aead_request_set_crypt(&areq->cra_u.aead_req, rsgl_src, areq->first_rsgl.sgl.sg, used, ctx->iv); aead_request_set_ad(&areq->cra_u.aead_req, ctx->aead_assoclen); aead_request_set_tfm(&areq->cra_u.aead_req, tfm); if (msg->msg_iocb && !is_sync_kiocb(msg->msg_iocb)) { /* AIO operation */ + sock_hold(sk); areq->iocb = msg->msg_iocb; aead_request_set_callback(&areq->cra_u.aead_req, CRYPTO_TFM_REQ_MAY_BACKLOG, af_alg_async_cb, areq); err = ctx->enc ? crypto_aead_encrypt(&areq->cra_u.aead_req) : crypto_aead_decrypt(&areq->cra_u.aead_req); + + /* AIO operation in progress */ + if (err == -EINPROGRESS || err == -EBUSY) { + /* Remember output size that will be generated. */ + areq->outlen = outlen; + + return -EIOCBQUEUED; + } + + sock_put(sk); } else { /* Synchronous operation */ aead_request_set_callback(&areq->cra_u.aead_req, @@ -285,19 +311,9 @@ static int _aead_recvmsg(struct socket *sock, struct msghdr *msg, &ctx->wait); } - /* AIO operation in progress */ - if (err == -EINPROGRESS) { - sock_hold(sk); - - /* Remember output size that will be generated. */ - areq->outlen = outlen; - - return -EIOCBQUEUED; - } free: - af_alg_free_areq_sgls(areq); - sock_kfree_s(sk, areq, areq->areqlen); + af_alg_free_resources(areq); return err ? err : outlen; } diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 9954b078f0b9..9ad167d95103 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -117,6 +117,7 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, if (msg->msg_iocb && !is_sync_kiocb(msg->msg_iocb)) { /* AIO operation */ + sock_hold(sk); areq->iocb = msg->msg_iocb; skcipher_request_set_callback(&areq->cra_u.skcipher_req, CRYPTO_TFM_REQ_MAY_SLEEP, @@ -124,6 +125,16 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, err = ctx->enc ? crypto_skcipher_encrypt(&areq->cra_u.skcipher_req) : crypto_skcipher_decrypt(&areq->cra_u.skcipher_req); + + /* AIO operation in progress */ + if (err == -EINPROGRESS || err == -EBUSY) { + /* Remember output size that will be generated. */ + areq->outlen = len; + + return -EIOCBQUEUED; + } + + sock_put(sk); } else { /* Synchronous operation */ skcipher_request_set_callback(&areq->cra_u.skcipher_req, @@ -136,19 +147,9 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, &ctx->wait); } - /* AIO operation in progress */ - if (err == -EINPROGRESS) { - sock_hold(sk); - - /* Remember output size that will be generated. */ - areq->outlen = len; - - return -EIOCBQUEUED; - } free: - af_alg_free_areq_sgls(areq); - sock_kfree_s(sk, areq, areq->areqlen); + af_alg_free_resources(areq); return err ? err : len; } @@ -186,7 +187,6 @@ out: return ret; } - static struct proto_ops algif_skcipher_ops = { .family = PF_ALG, diff --git a/crypto/skcipher.c b/crypto/skcipher.c index d5692e35fab1..778e0ff42bfa 100644 --- a/crypto/skcipher.c +++ b/crypto/skcipher.c @@ -522,6 +522,9 @@ static int skcipher_walk_aead_common(struct skcipher_walk *walk, scatterwalk_copychunks(NULL, &walk->in, req->assoclen, 2); scatterwalk_copychunks(NULL, &walk->out, req->assoclen, 2); + scatterwalk_done(&walk->in, 0, walk->total); + scatterwalk_done(&walk->out, 0, walk->total); + walk->iv = req->iv; walk->oiv = req->iv; diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c index 3ec05aa1a903..2ff5c8c04e3b 100644 --- a/drivers/acpi/acpi_dbg.c +++ b/drivers/acpi/acpi_dbg.c @@ -718,9 +718,9 @@ again: return size > 0 ? size : ret; } -static unsigned int acpi_aml_poll(struct file *file, poll_table *wait) +static __poll_t acpi_aml_poll(struct file *file, poll_table *wait) { - int masks = 0; + __poll_t masks = 0; poll_wait(file, &acpi_aml_io.wait, wait); if (acpi_aml_user_readable()) diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index 24418932612e..a041689e5701 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -146,6 +146,10 @@ static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias, int count; struct acpi_hardware_id *id; + /* Avoid unnecessarily loading modules for non present devices. */ + if (!acpi_device_is_present(acpi_dev)) + return 0; + /* * Since we skip ACPI_DT_NAMESPACE_HID from the modalias below, 0 should * be returned if ACPI_DT_NAMESPACE_HID is the only ACPI/PNP ID in the diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index da176c95aa2c..0252c9b9af3d 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1597,32 +1597,41 @@ static int acpi_ec_add(struct acpi_device *device) { struct acpi_ec *ec = NULL; int ret; + bool is_ecdt = false; + acpi_status status; strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_EC_CLASS); - ec = acpi_ec_alloc(); - if (!ec) - return -ENOMEM; - if (ec_parse_device(device->handle, 0, ec, NULL) != - AE_CTRL_TERMINATE) { + if (!strcmp(acpi_device_hid(device), ACPI_ECDT_HID)) { + is_ecdt = true; + ec = boot_ec; + } else { + ec = acpi_ec_alloc(); + if (!ec) + return -ENOMEM; + status = ec_parse_device(device->handle, 0, ec, NULL); + if (status != AE_CTRL_TERMINATE) { ret = -EINVAL; goto err_alloc; + } } if (acpi_is_boot_ec(ec)) { - boot_ec_is_ecdt = false; - /* - * Trust PNP0C09 namespace location rather than ECDT ID. - * - * But trust ECDT GPE rather than _GPE because of ASUS quirks, - * so do not change boot_ec->gpe to ec->gpe. - */ - boot_ec->handle = ec->handle; - acpi_handle_debug(ec->handle, "duplicated.\n"); - acpi_ec_free(ec); - ec = boot_ec; - ret = acpi_config_boot_ec(ec, ec->handle, true, false); + boot_ec_is_ecdt = is_ecdt; + if (!is_ecdt) { + /* + * Trust PNP0C09 namespace location rather than + * ECDT ID. But trust ECDT GPE rather than _GPE + * because of ASUS quirks, so do not change + * boot_ec->gpe to ec->gpe. + */ + boot_ec->handle = ec->handle; + acpi_handle_debug(ec->handle, "duplicated.\n"); + acpi_ec_free(ec); + ec = boot_ec; + } + ret = acpi_config_boot_ec(ec, ec->handle, true, is_ecdt); } else ret = acpi_ec_setup(ec, true); if (ret) @@ -1635,8 +1644,10 @@ static int acpi_ec_add(struct acpi_device *device) ret = !!request_region(ec->command_addr, 1, "EC cmd"); WARN(!ret, "Could not request EC cmd io port 0x%lx", ec->command_addr); - /* Reprobe devices depending on the EC */ - acpi_walk_dep_device_list(ec->handle); + if (!is_ecdt) { + /* Reprobe devices depending on the EC */ + acpi_walk_dep_device_list(ec->handle); + } acpi_handle_debug(ec->handle, "enumerated.\n"); return 0; @@ -1692,6 +1703,7 @@ ec_parse_io_ports(struct acpi_resource *resource, void *context) static const struct acpi_device_id ec_device_ids[] = { {"PNP0C09", 0}, + {ACPI_ECDT_HID, 0}, {"", 0}, }; @@ -1764,11 +1776,14 @@ static int __init acpi_ec_ecdt_start(void) * Note: ec->handle can be valid if this function is called after * acpi_ec_add(), hence the fast path. */ - if (boot_ec->handle != ACPI_ROOT_OBJECT) - handle = boot_ec->handle; - else if (!acpi_ec_ecdt_get_handle(&handle)) - return -ENODEV; - return acpi_config_boot_ec(boot_ec, handle, true, true); + if (boot_ec->handle == ACPI_ROOT_OBJECT) { + if (!acpi_ec_ecdt_get_handle(&handle)) + return -ENODEV; + boot_ec->handle = handle; + } + + /* Register to ACPI bus with PM ops attached */ + return acpi_bus_register_early_device(ACPI_BUS_TYPE_ECDT_EC); } #if 0 @@ -2022,6 +2037,12 @@ int __init acpi_ec_init(void) /* Drivers must be started after acpi_ec_query_init() */ dsdt_fail = acpi_bus_register_driver(&acpi_ec_driver); + /* + * Register ECDT to ACPI bus only when PNP0C09 probe fails. This is + * useful for platforms (confirmed on ASUS X550ZE) with valid ECDT + * settings but invalid DSDT settings. + * https://bugzilla.kernel.org/show_bug.cgi?id=196847 + */ ecdt_fail = acpi_ec_ecdt_start(); return ecdt_fail && dsdt_fail ? -ENODEV : 0; } diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index fc8c43e76707..7f43423de43c 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -115,6 +115,7 @@ bool acpi_device_is_present(const struct acpi_device *adev); bool acpi_device_is_battery(struct acpi_device *adev); bool acpi_device_is_first_physical_node(struct acpi_device *adev, const struct device *dev); +int acpi_bus_register_early_device(int type); /* -------------------------------------------------------------------------- Device Matching and Notification diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index e14e964bfe6d..b0fe5272c76a 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1024,6 +1024,9 @@ static void acpi_device_get_busid(struct acpi_device *device) case ACPI_BUS_TYPE_SLEEP_BUTTON: strcpy(device->pnp.bus_id, "SLPF"); break; + case ACPI_BUS_TYPE_ECDT_EC: + strcpy(device->pnp.bus_id, "ECDT"); + break; default: acpi_get_name(device->handle, ACPI_SINGLE_NAME, &buffer); /* Clean up trailing underscores (if any) */ @@ -1304,6 +1307,9 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, case ACPI_BUS_TYPE_SLEEP_BUTTON: acpi_add_id(pnp, ACPI_BUTTON_HID_SLEEPF); break; + case ACPI_BUS_TYPE_ECDT_EC: + acpi_add_id(pnp, ACPI_ECDT_HID); + break; } } @@ -2046,6 +2052,21 @@ void acpi_bus_trim(struct acpi_device *adev) } EXPORT_SYMBOL_GPL(acpi_bus_trim); +int acpi_bus_register_early_device(int type) +{ + struct acpi_device *device = NULL; + int result; + + result = acpi_add_single_object(&device, NULL, + type, ACPI_STA_DEFAULT); + if (result) + return result; + + device->flags.match_driver = true; + return device_attach(&device->dev); +} +EXPORT_SYMBOL_GPL(acpi_bus_register_early_device); + static int acpi_bus_scan_fixed(void) { int result = 0; diff --git a/drivers/android/binder.c b/drivers/android/binder.c index a73596a4f804..fdc951083b07 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -4276,7 +4276,7 @@ static int binder_thread_release(struct binder_proc *proc, return active_transactions; } -static unsigned int binder_poll(struct file *filp, +static __poll_t binder_poll(struct file *filp, struct poll_table_struct *wait) { struct binder_proc *proc = filp->private_data; diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c index dd286ad404f8..9287ec958b70 100644 --- a/drivers/atm/ambassador.c +++ b/drivers/atm/ambassador.c @@ -2258,7 +2258,7 @@ static int amb_probe(struct pci_dev *pci_dev, PRINTD (DBG_INFO, "registered Madge ATM adapter (no. %d) (%p) at %p", dev->atm_dev->number, dev, dev->atm_dev); - dev->atm_dev->dev_data = (void *) dev; + dev->atm_dev->dev_data = (void *) dev; // register our address amb_esi (dev, dev->atm_dev->esi); diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index 126855e6cb7d..6ebc4e4820fc 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -3083,8 +3083,8 @@ fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) ASSERT(fore200e_vcc); len = sprintf(page, - " %08x %03d %05d %1d %09lu %05d/%05d %09lu %05d/%05d\n", - (u32)(unsigned long)vcc, + " %pK %03d %05d %1d %09lu %05d/%05d %09lu %05d/%05d\n", + vcc, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), fore200e_vcc->tx_pdu, fore200e_vcc->tx_min_pdu > 0xFFFF ? 0 : fore200e_vcc->tx_min_pdu, diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c index 6664aa50789e..5f8e009b2da1 100644 --- a/drivers/atm/lanai.c +++ b/drivers/atm/lanai.c @@ -1586,8 +1586,8 @@ static int service_buffer_allocate(struct lanai_dev *lanai) lanai->pci); if (unlikely(lanai->service.start == NULL)) return -ENOMEM; - DPRINTK("allocated service buffer at 0x%08lX, size %zu(%d)\n", - (unsigned long) lanai->service.start, + DPRINTK("allocated service buffer at %p, size %zu(%d)\n", + lanai->service.start, lanai_buf_size(&lanai->service), lanai_buf_size_cardorder(&lanai->service)); /* Clear ServWrite register to be safe */ @@ -2218,9 +2218,9 @@ static int lanai_dev_open(struct atm_dev *atmdev) #endif memcpy(atmdev->esi, eeprom_mac(lanai), ESI_LEN); lanai_timed_poll_start(lanai); - printk(KERN_NOTICE DEV_LABEL "(itf %d): rev.%d, base=0x%lx, irq=%u " + printk(KERN_NOTICE DEV_LABEL "(itf %d): rev.%d, base=%p, irq=%u " "(%pMF)\n", lanai->number, (int) lanai->pci->revision, - (unsigned long) lanai->base, lanai->pci->irq, atmdev->esi); + lanai->base, lanai->pci->irq, atmdev->esi); printk(KERN_NOTICE DEV_LABEL "(itf %d): LANAI%s, serialno=%u(0x%X), " "board_rev=%d\n", lanai->number, lanai->type==lanai2 ? "2" : "HB", (unsigned int) lanai->serialno, diff --git a/drivers/atm/suni.c b/drivers/atm/suni.c index b8825f2d79e0..4b044710a8cf 100644 --- a/drivers/atm/suni.c +++ b/drivers/atm/suni.c @@ -177,7 +177,7 @@ static int set_loopback(struct atm_dev *dev,int mode) default: return -EINVAL; } - dev->ops->phy_put(dev, control, reg); + dev->ops->phy_put(dev, control, reg); PRIV(dev)->loop_mode = mode; return 0; } diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig index d7d21118d3e0..2c2ed9cf8796 100644 --- a/drivers/auxdisplay/Kconfig +++ b/drivers/auxdisplay/Kconfig @@ -136,6 +136,7 @@ config CFAG12864B_RATE config IMG_ASCII_LCD tristate "Imagination Technologies ASCII LCD Display" + depends on HAS_IOMEM default y if MIPS_MALTA || MIPS_SEAD3 select SYSCON help diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 4b4697a1f963..0a0394aa1b9c 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1847,7 +1847,7 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock, void *buf, size_t size, unsigned msg_flags) { struct kvec iov = {.iov_base = buf, .iov_len = size}; - struct msghdr msg; + struct msghdr msg = {.msg_flags = msg_flags | MSG_NOSIGNAL}; int rv, sent = 0; if (!sock) @@ -1855,12 +1855,6 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock, /* THINK if (signal_pending) return ... ? */ - msg.msg_name = NULL; - msg.msg_namelen = 0; - msg.msg_control = NULL; - msg.msg_controllen = 0; - msg.msg_flags = msg_flags | MSG_NOSIGNAL; - iov_iter_kvec(&msg.msg_iter, WRITE | ITER_KVEC, &iov, 1, size); if (sock == connection->data.socket) { diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index cb2fa63f6bc0..c72dee0ef083 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -516,7 +516,8 @@ static int drbd_recv_short(struct socket *sock, void *buf, size_t size, int flag struct msghdr msg = { .msg_flags = (flags ? flags : MSG_WAITALL | MSG_NOSIGNAL) }; - return kernel_recvmsg(sock, &msg, &iov, 1, size, msg.msg_flags); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, size); + return sock_recvmsg(sock, &msg, msg.msg_flags); } static int drbd_recv(struct drbd_connection *connection, void *buf, size_t size) diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index c61960deb74a..ccb9975a97fa 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -471,7 +471,6 @@ static void nullb_device_release(struct config_item *item) { struct nullb_device *dev = to_nullb_device(item); - badblocks_exit(&dev->badblocks); null_free_device_storage(dev, false); null_free_dev(dev); } @@ -582,6 +581,10 @@ static struct nullb_device *null_alloc_dev(void) static void null_free_dev(struct nullb_device *dev) { + if (!dev) + return; + + badblocks_exit(&dev->badblocks); kfree(dev); } diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index c823914b3a80..b6a71705b7d6 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -794,7 +794,7 @@ static ssize_t hci_uart_tty_write(struct tty_struct *tty, struct file *file, return 0; } -static unsigned int hci_uart_tty_poll(struct tty_struct *tty, +static __poll_t hci_uart_tty_poll(struct tty_struct *tty, struct file *filp, poll_table *wait) { return 0; diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c index e6f6dbc04131..0521748a1972 100644 --- a/drivers/bluetooth/hci_vhci.c +++ b/drivers/bluetooth/hci_vhci.c @@ -299,7 +299,7 @@ static ssize_t vhci_write(struct kiocb *iocb, struct iov_iter *from) return vhci_get_user(data, from); } -static unsigned int vhci_poll(struct file *file, poll_table *wait) +static __poll_t vhci_poll(struct file *file, poll_table *wait) { struct vhci_data *data = file->private_data; diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c index 1dfb9f8de171..a2a1c1478cd0 100644 --- a/drivers/char/apm-emulation.c +++ b/drivers/char/apm-emulation.c @@ -236,7 +236,7 @@ static ssize_t apm_read(struct file *fp, char __user *buf, size_t count, loff_t return ret; } -static unsigned int apm_poll(struct file *fp, poll_table * wait) +static __poll_t apm_poll(struct file *fp, poll_table * wait) { struct apm_user *as = fp->private_data; diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index 0d7b577e0ff0..2f92cc46698b 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -406,7 +406,7 @@ static long dsp56k_ioctl(struct file *file, unsigned int cmd, * Do I need this function at all??? */ #if 0 -static unsigned int dsp56k_poll(struct file *file, poll_table *wait) +static __poll_t dsp56k_poll(struct file *file, poll_table *wait) { int dev = iminor(file_inode(file)) & 0x0f; diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c index 839ee61d352a..2697c22e3be2 100644 --- a/drivers/char/dtlk.c +++ b/drivers/char/dtlk.c @@ -91,7 +91,7 @@ static ssize_t dtlk_read(struct file *, char __user *, size_t nbytes, loff_t * ppos); static ssize_t dtlk_write(struct file *, const char __user *, size_t nbytes, loff_t * ppos); -static unsigned int dtlk_poll(struct file *, poll_table *); +static __poll_t dtlk_poll(struct file *, poll_table *); static int dtlk_open(struct inode *, struct file *); static int dtlk_release(struct inode *, struct file *); static long dtlk_ioctl(struct file *file, @@ -228,9 +228,9 @@ static ssize_t dtlk_write(struct file *file, const char __user *buf, return -EAGAIN; } -static unsigned int dtlk_poll(struct file *file, poll_table * wait) +static __poll_t dtlk_poll(struct file *file, poll_table * wait) { - int mask = 0; + __poll_t mask = 0; unsigned long expires; TRACE_TEXT(" dtlk_poll"); diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index b941e6d59fd6..dbed4953f86c 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -342,7 +342,7 @@ out: return retval; } -static unsigned int hpet_poll(struct file *file, poll_table * wait) +static __poll_t hpet_poll(struct file *file, poll_table * wait) { unsigned long v; struct hpet_dev *devp; diff --git a/drivers/char/ipmi/bt-bmc.c b/drivers/char/ipmi/bt-bmc.c index 6edfaa72b98b..7992c870b0a2 100644 --- a/drivers/char/ipmi/bt-bmc.c +++ b/drivers/char/ipmi/bt-bmc.c @@ -338,10 +338,10 @@ static int bt_bmc_release(struct inode *inode, struct file *file) return 0; } -static unsigned int bt_bmc_poll(struct file *file, poll_table *wait) +static __poll_t bt_bmc_poll(struct file *file, poll_table *wait) { struct bt_bmc *bt_bmc = file_bt_bmc(file); - unsigned int mask = 0; + __poll_t mask = 0; u8 ctrl; poll_wait(file, &bt_bmc->queue, wait); diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 2ffca4232686..a011a7739f5e 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -78,10 +78,10 @@ static void file_receive_handler(struct ipmi_recv_msg *msg, spin_unlock_irqrestore(&(priv->recv_msg_lock), flags); } -static unsigned int ipmi_poll(struct file *file, poll_table *wait) +static __poll_t ipmi_poll(struct file *file, poll_table *wait) { struct ipmi_file_private *priv = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; unsigned long flags; poll_wait(file, &priv->wait, wait); diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 76b270678b50..95d8e9a53e91 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -887,9 +887,9 @@ static int ipmi_open(struct inode *ino, struct file *filep) } } -static unsigned int ipmi_poll(struct file *file, poll_table *wait) +static __poll_t ipmi_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &read_q, wait); diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 9a1aaf538758..819fe37a3683 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -415,10 +415,10 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, return count; } -static unsigned int cm4040_poll(struct file *filp, poll_table *wait) +static __poll_t cm4040_poll(struct file *filp, poll_table *wait) { struct reader_dev *dev = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(filp, &dev->poll_wait, wait); diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index d256110ba672..7a56d1a13ec3 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -769,10 +769,10 @@ static int pp_release(struct inode *inode, struct file *file) } /* No kernel lock held - fine */ -static unsigned int pp_poll(struct file *file, poll_table *wait) +static __poll_t pp_poll(struct file *file, poll_table *wait) { struct pp_struct *pp = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &pp->irq_wait, wait); if (atomic_read(&pp->irqc)) diff --git a/drivers/char/random.c b/drivers/char/random.c index ec42c8bb9b0d..64b59562c872 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1784,10 +1784,10 @@ urandom_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) return ret; } -static unsigned int +static __poll_t random_poll(struct file *file, poll_table * wait) { - unsigned int mask; + __poll_t mask; poll_wait(file, &random_read_wait, wait); poll_wait(file, &random_write_wait, wait); diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 5542a438bbd0..c6a317120a55 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -147,7 +147,7 @@ static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static void rtc_get_rtc_time(struct rtc_time *rtc_tm); #ifdef RTC_IRQ -static unsigned int rtc_poll(struct file *file, poll_table *wait); +static __poll_t rtc_poll(struct file *file, poll_table *wait); #endif static void get_rtc_alm_time(struct rtc_time *alm_tm); @@ -790,7 +790,7 @@ no_irq: } #ifdef RTC_IRQ -static unsigned int rtc_poll(struct file *file, poll_table *wait) +static __poll_t rtc_poll(struct file *file, poll_table *wait) { unsigned long l; diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c index 6aa32679fd58..7f49fa0f41d7 100644 --- a/drivers/char/snsc.c +++ b/drivers/char/snsc.c @@ -321,10 +321,10 @@ scdrv_write(struct file *file, const char __user *buf, return status; } -static unsigned int +static __poll_t scdrv_poll(struct file *file, struct poll_table_struct *wait) { - unsigned int mask = 0; + __poll_t mask = 0; int status = 0; struct subch_data_s *sd = (struct subch_data_s *) file->private_data; unsigned long flags; diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index d3a979e25724..fc041c462aa4 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -940,7 +940,7 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf, return ret; } -static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) +static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) { poll_wait(file, &sonypi_device.fifo_proc_list, wait); if (kfifo_len(&sonypi_device.fifo)) diff --git a/drivers/char/tpm/tpm_vtpm_proxy.c b/drivers/char/tpm/tpm_vtpm_proxy.c index 1d877cc9af97..674218b50b13 100644 --- a/drivers/char/tpm/tpm_vtpm_proxy.c +++ b/drivers/char/tpm/tpm_vtpm_proxy.c @@ -173,10 +173,10 @@ static ssize_t vtpm_proxy_fops_write(struct file *filp, const char __user *buf, * * Return: Poll flags */ -static unsigned int vtpm_proxy_fops_poll(struct file *filp, poll_table *wait) +static __poll_t vtpm_proxy_fops_poll(struct file *filp, poll_table *wait) { struct proxy_dev *proxy_dev = filp->private_data; - unsigned ret; + __poll_t ret; poll_wait(filp, &proxy_dev->wq, wait); diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index d1aed2513bd9..813a2e46824d 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -982,10 +982,10 @@ error_out: return ret; } -static unsigned int port_fops_poll(struct file *filp, poll_table *wait) +static __poll_t port_fops_poll(struct file *filp, poll_table *wait) { struct port *port; - unsigned int ret; + __poll_t ret; port = filp->private_data; poll_wait(filp, &port->waitqueue, wait); diff --git a/drivers/char/xillybus/xillybus_core.c b/drivers/char/xillybus/xillybus_core.c index b6c9cdead7f3..88e1cf475d3f 100644 --- a/drivers/char/xillybus/xillybus_core.c +++ b/drivers/char/xillybus/xillybus_core.c @@ -1736,10 +1736,10 @@ end: return pos; } -static unsigned int xillybus_poll(struct file *filp, poll_table *wait) +static __poll_t xillybus_poll(struct file *filp, poll_table *wait) { struct xilly_channel *channel = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; unsigned long flags; poll_wait(filp, &channel->endpoint->ep_wait, wait); diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig index 4ebae43118ef..d8addbce40bc 100644 --- a/drivers/cpufreq/Kconfig +++ b/drivers/cpufreq/Kconfig @@ -275,6 +275,7 @@ config BMIPS_CPUFREQ config LOONGSON2_CPUFREQ tristate "Loongson2 CPUFreq Driver" + depends on LEMOTE_MACH2F help This option adds a CPUFreq driver for loongson processors which support software configurable cpu frequency. @@ -287,6 +288,7 @@ config LOONGSON2_CPUFREQ config LOONGSON1_CPUFREQ tristate "Loongson1 CPUFreq Driver" + depends on LOONGSON1_LS1B help This option adds a CPUFreq driver for loongson1 processors which support software configurable cpu frequency. diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c index 18c4bd9a5c65..e0d5090b303d 100644 --- a/drivers/cpufreq/mediatek-cpufreq.c +++ b/drivers/cpufreq/mediatek-cpufreq.c @@ -620,3 +620,7 @@ static int __init mtk_cpufreq_driver_init(void) return 0; } device_initcall(mtk_cpufreq_driver_init); + +MODULE_DESCRIPTION("MediaTek CPUFreq driver"); +MODULE_AUTHOR("Pi-Cheng Chen <pi-cheng.chen@linaro.org>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/dax/device.c b/drivers/dax/device.c index 6833ada237ab..7b0bf825c4e7 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -428,9 +428,21 @@ static int dev_dax_fault(struct vm_fault *vmf) return dev_dax_huge_fault(vmf, PE_SIZE_PTE); } +static int dev_dax_split(struct vm_area_struct *vma, unsigned long addr) +{ + struct file *filp = vma->vm_file; + struct dev_dax *dev_dax = filp->private_data; + struct dax_region *dax_region = dev_dax->region; + + if (!IS_ALIGNED(addr, dax_region->align)) + return -EINVAL; + return 0; +} + static const struct vm_operations_struct dax_vm_ops = { .fault = dev_dax_fault, .huge_fault = dev_dax_huge_fault, + .split = dev_dax_split, }; static int dax_mmap(struct file *filp, struct vm_area_struct *vma) diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index bc1cb284111c..12b62d0aac27 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -157,13 +157,13 @@ static void dma_buf_poll_cb(struct dma_fence *fence, struct dma_fence_cb *cb) spin_unlock_irqrestore(&dcb->poll->lock, flags); } -static unsigned int dma_buf_poll(struct file *file, poll_table *poll) +static __poll_t dma_buf_poll(struct file *file, poll_table *poll) { struct dma_buf *dmabuf; struct reservation_object *resv; struct reservation_object_list *fobj; struct dma_fence *fence_excl; - unsigned long events; + __poll_t events; unsigned shared_count, seq; dmabuf = file->private_data; @@ -195,7 +195,7 @@ retry: if (fence_excl && (!(events & POLLOUT) || shared_count == 0)) { struct dma_buf_poll_cb_t *dcb = &dmabuf->cb_excl; - unsigned long pevents = POLLIN; + __poll_t pevents = POLLIN; if (shared_count == 0) pevents |= POLLOUT; diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c index 03830634e141..8e8c4a12a0bc 100644 --- a/drivers/dma-buf/sync_file.c +++ b/drivers/dma-buf/sync_file.c @@ -312,7 +312,7 @@ static int sync_file_release(struct inode *inode, struct file *file) return 0; } -static unsigned int sync_file_poll(struct file *file, poll_table *wait) +static __poll_t sync_file_poll(struct file *file, poll_table *wait) { struct sync_file *sync_file = file->private_data; diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index a301fcf46e88..523391bb3fbe 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -1784,10 +1784,10 @@ static int fw_device_op_release(struct inode *inode, struct file *file) return 0; } -static unsigned int fw_device_op_poll(struct file *file, poll_table * pt) +static __poll_t fw_device_op_poll(struct file *file, poll_table * pt) { struct client *client = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &client->wait, pt); diff --git a/drivers/firewire/nosy.c b/drivers/firewire/nosy.c index 180f0a96528c..fee2e9e7ea20 100644 --- a/drivers/firewire/nosy.c +++ b/drivers/firewire/nosy.c @@ -328,11 +328,11 @@ nosy_release(struct inode *inode, struct file *file) return 0; } -static unsigned int +static __poll_t nosy_poll(struct file *file, poll_table *pt) { struct client *client = file->private_data; - unsigned int ret = 0; + __poll_t ret = 0; poll_wait(file, &client->buffer.wait, pt); diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index aad84a6306c4..46824c486e1e 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -603,11 +603,11 @@ struct lineevent_state { (GPIOEVENT_REQUEST_RISING_EDGE | \ GPIOEVENT_REQUEST_FALLING_EDGE) -static unsigned int lineevent_poll(struct file *filep, +static __poll_t lineevent_poll(struct file *filep, struct poll_table_struct *wait) { struct lineevent_state *le = filep->private_data; - unsigned int events = 0; + __poll_t events = 0; poll_wait(filep, &le->wait, wait); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 5afaf6016b4a..0b14b5373783 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -717,7 +717,7 @@ int amdgpu_queue_mgr_fini(struct amdgpu_device *adev, struct amdgpu_queue_mgr *mgr); int amdgpu_queue_mgr_map(struct amdgpu_device *adev, struct amdgpu_queue_mgr *mgr, - int hw_ip, int instance, int ring, + u32 hw_ip, u32 instance, u32 ring, struct amdgpu_ring **out_ring); /* @@ -1572,18 +1572,14 @@ struct amdgpu_device { /* sdma */ struct amdgpu_sdma sdma; - union { - struct { - /* uvd */ - struct amdgpu_uvd uvd; + /* uvd */ + struct amdgpu_uvd uvd; - /* vce */ - struct amdgpu_vce vce; - }; + /* vce */ + struct amdgpu_vce vce; - /* vcn */ - struct amdgpu_vcn vcn; - }; + /* vcn */ + struct amdgpu_vcn vcn; /* firmwares */ struct amdgpu_firmware firmware; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c index 47d1c132ac40..1e3e9be7d77e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c @@ -379,29 +379,50 @@ static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd) { struct amdgpu_device *adev = get_amdgpu_device(kgd); struct cik_sdma_rlc_registers *m; + unsigned long end_jiffies; uint32_t sdma_base_addr; + uint32_t data; m = get_sdma_mqd(mqd); sdma_base_addr = get_sdma_base_addr(m); - WREG32(sdma_base_addr + mmSDMA0_RLC0_VIRTUAL_ADDR, - m->sdma_rlc_virtual_addr); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, + m->sdma_rlc_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, - m->sdma_rlc_rb_base); + end_jiffies = msecs_to_jiffies(2000) + jiffies; + while (true) { + data = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS); + if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK) + break; + if (time_after(jiffies, end_jiffies)) + return -ETIME; + usleep_range(500, 1000); + } + if (m->sdma_engine_id) { + data = RREG32(mmSDMA1_GFX_CONTEXT_CNTL); + data = REG_SET_FIELD(data, SDMA1_GFX_CONTEXT_CNTL, + RESUME_CTX, 0); + WREG32(mmSDMA1_GFX_CONTEXT_CNTL, data); + } else { + data = RREG32(mmSDMA0_GFX_CONTEXT_CNTL); + data = REG_SET_FIELD(data, SDMA0_GFX_CONTEXT_CNTL, + RESUME_CTX, 0); + WREG32(mmSDMA0_GFX_CONTEXT_CNTL, data); + } + WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, + m->sdma_rlc_doorbell); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0); + WREG32(sdma_base_addr + mmSDMA0_RLC0_VIRTUAL_ADDR, + m->sdma_rlc_virtual_addr); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, m->sdma_rlc_rb_base); WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE_HI, m->sdma_rlc_rb_base_hi); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_LO, m->sdma_rlc_rb_rptr_addr_lo); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR_ADDR_HI, m->sdma_rlc_rb_rptr_addr_hi); - - WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, - m->sdma_rlc_doorbell); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, m->sdma_rlc_rb_cntl); @@ -574,9 +595,9 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd, } WREG32(sdma_base_addr + mmSDMA0_RLC0_DOORBELL, 0); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_RPTR, 0); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_WPTR, 0); - WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_BASE, 0); + WREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL, + RREG32(sdma_base_addr + mmSDMA0_RLC0_RB_CNTL) | + SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index a57cec737c18..57abf7abd7a9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -409,6 +409,10 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p, if (candidate->robj == validated) break; + /* We can't move pinned BOs here */ + if (bo->pin_count) + continue; + other = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type); /* Check if this BO is in one of the domains we need space for */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 2c574374d9b6..3573ecdb06ee 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1837,9 +1837,6 @@ static int amdgpu_fini(struct amdgpu_device *adev) adev->ip_blocks[i].status.hw = false; } - if (adev->firmware.load_type == AMDGPU_FW_LOAD_SMU) - amdgpu_ucode_fini_bo(adev); - for (i = adev->num_ip_blocks - 1; i >= 0; i--) { if (!adev->ip_blocks[i].status.sw) continue; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index ec96bb1f9eaf..c2f414ffb2cc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -536,7 +536,7 @@ static const struct pci_device_id pciidlist[] = { {0x1002, 0x686c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10}, {0x1002, 0x687f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10}, /* Raven */ - {0x1002, 0x15dd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RAVEN|AMD_IS_APU|AMD_EXP_HW_SUPPORT}, + {0x1002, 0x15dd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RAVEN|AMD_IS_APU}, {0, 0, 0} }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c index 033fba2def6f..5f5aa5fddc16 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c @@ -164,6 +164,9 @@ static int amdgpu_pp_hw_fini(void *handle) ret = adev->powerplay.ip_funcs->hw_fini( adev->powerplay.pp_handle); + if (adev->firmware.load_type == AMDGPU_FW_LOAD_SMU) + amdgpu_ucode_fini_bo(adev); + return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 7714f4a6c8b0..447d446b5015 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -442,6 +442,8 @@ static int psp_hw_fini(void *handle) if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) return 0; + amdgpu_ucode_fini_bo(adev); + psp_ring_destroy(psp, PSP_RING_TYPE__KM); amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, &psp->tmr_buf); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c index 190e28cb827e..93d86619e802 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_queue_mgr.c @@ -63,7 +63,7 @@ static int amdgpu_update_cached_map(struct amdgpu_queue_mapper *mapper, static int amdgpu_identity_map(struct amdgpu_device *adev, struct amdgpu_queue_mapper *mapper, - int ring, + u32 ring, struct amdgpu_ring **out_ring) { switch (mapper->hw_ip) { @@ -121,7 +121,7 @@ static enum amdgpu_ring_type amdgpu_hw_ip_to_ring_type(int hw_ip) static int amdgpu_lru_map(struct amdgpu_device *adev, struct amdgpu_queue_mapper *mapper, - int user_ring, bool lru_pipe_order, + u32 user_ring, bool lru_pipe_order, struct amdgpu_ring **out_ring) { int r, i, j; @@ -208,7 +208,7 @@ int amdgpu_queue_mgr_fini(struct amdgpu_device *adev, */ int amdgpu_queue_mgr_map(struct amdgpu_device *adev, struct amdgpu_queue_mgr *mgr, - int hw_ip, int instance, int ring, + u32 hw_ip, u32 instance, u32 ring, struct amdgpu_ring **out_ring) { int r, ip_num_rings; diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 793b1470284d..a296f7bbe57c 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1023,22 +1023,101 @@ static const struct amdgpu_allowed_register_entry cik_allowed_read_registers[] = {mmPA_SC_RASTER_CONFIG_1, true}, }; -static uint32_t cik_read_indexed_register(struct amdgpu_device *adev, - u32 se_num, u32 sh_num, - u32 reg_offset) + +static uint32_t cik_get_register_value(struct amdgpu_device *adev, + bool indexed, u32 se_num, + u32 sh_num, u32 reg_offset) { - uint32_t val; + if (indexed) { + uint32_t val; + unsigned se_idx = (se_num == 0xffffffff) ? 0 : se_num; + unsigned sh_idx = (sh_num == 0xffffffff) ? 0 : sh_num; + + switch (reg_offset) { + case mmCC_RB_BACKEND_DISABLE: + return adev->gfx.config.rb_config[se_idx][sh_idx].rb_backend_disable; + case mmGC_USER_RB_BACKEND_DISABLE: + return adev->gfx.config.rb_config[se_idx][sh_idx].user_rb_backend_disable; + case mmPA_SC_RASTER_CONFIG: + return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config; + case mmPA_SC_RASTER_CONFIG_1: + return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config_1; + } - mutex_lock(&adev->grbm_idx_mutex); - if (se_num != 0xffffffff || sh_num != 0xffffffff) - amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff); + mutex_lock(&adev->grbm_idx_mutex); + if (se_num != 0xffffffff || sh_num != 0xffffffff) + amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff); - val = RREG32(reg_offset); + val = RREG32(reg_offset); - if (se_num != 0xffffffff || sh_num != 0xffffffff) - amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); - mutex_unlock(&adev->grbm_idx_mutex); - return val; + if (se_num != 0xffffffff || sh_num != 0xffffffff) + amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); + mutex_unlock(&adev->grbm_idx_mutex); + return val; + } else { + unsigned idx; + + switch (reg_offset) { + case mmGB_ADDR_CONFIG: + return adev->gfx.config.gb_addr_config; + case mmMC_ARB_RAMCFG: + return adev->gfx.config.mc_arb_ramcfg; + case mmGB_TILE_MODE0: + case mmGB_TILE_MODE1: + case mmGB_TILE_MODE2: + case mmGB_TILE_MODE3: + case mmGB_TILE_MODE4: + case mmGB_TILE_MODE5: + case mmGB_TILE_MODE6: + case mmGB_TILE_MODE7: + case mmGB_TILE_MODE8: + case mmGB_TILE_MODE9: + case mmGB_TILE_MODE10: + case mmGB_TILE_MODE11: + case mmGB_TILE_MODE12: + case mmGB_TILE_MODE13: + case mmGB_TILE_MODE14: + case mmGB_TILE_MODE15: + case mmGB_TILE_MODE16: + case mmGB_TILE_MODE17: + case mmGB_TILE_MODE18: + case mmGB_TILE_MODE19: + case mmGB_TILE_MODE20: + case mmGB_TILE_MODE21: + case mmGB_TILE_MODE22: + case mmGB_TILE_MODE23: + case mmGB_TILE_MODE24: + case mmGB_TILE_MODE25: + case mmGB_TILE_MODE26: + case mmGB_TILE_MODE27: + case mmGB_TILE_MODE28: + case mmGB_TILE_MODE29: + case mmGB_TILE_MODE30: + case mmGB_TILE_MODE31: + idx = (reg_offset - mmGB_TILE_MODE0); + return adev->gfx.config.tile_mode_array[idx]; + case mmGB_MACROTILE_MODE0: + case mmGB_MACROTILE_MODE1: + case mmGB_MACROTILE_MODE2: + case mmGB_MACROTILE_MODE3: + case mmGB_MACROTILE_MODE4: + case mmGB_MACROTILE_MODE5: + case mmGB_MACROTILE_MODE6: + case mmGB_MACROTILE_MODE7: + case mmGB_MACROTILE_MODE8: + case mmGB_MACROTILE_MODE9: + case mmGB_MACROTILE_MODE10: + case mmGB_MACROTILE_MODE11: + case mmGB_MACROTILE_MODE12: + case mmGB_MACROTILE_MODE13: + case mmGB_MACROTILE_MODE14: + case mmGB_MACROTILE_MODE15: + idx = (reg_offset - mmGB_MACROTILE_MODE0); + return adev->gfx.config.macrotile_mode_array[idx]; + default: + return RREG32(reg_offset); + } + } } static int cik_read_register(struct amdgpu_device *adev, u32 se_num, @@ -1048,13 +1127,13 @@ static int cik_read_register(struct amdgpu_device *adev, u32 se_num, *value = 0; for (i = 0; i < ARRAY_SIZE(cik_allowed_read_registers); i++) { + bool indexed = cik_allowed_read_registers[i].grbm_indexed; + if (reg_offset != cik_allowed_read_registers[i].reg_offset) continue; - *value = cik_allowed_read_registers[i].grbm_indexed ? - cik_read_indexed_register(adev, se_num, - sh_num, reg_offset) : - RREG32(reg_offset); + *value = cik_get_register_value(adev, indexed, se_num, sh_num, + reg_offset); return 0; } return -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 5c8a7a48a4ad..419ba0ce7ee5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -1819,6 +1819,22 @@ static void gfx_v7_0_setup_rb(struct amdgpu_device *adev) adev->gfx.config.backend_enable_mask, num_rb_pipes); } + + /* cache the values for userspace */ + for (i = 0; i < adev->gfx.config.max_shader_engines; i++) { + for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) { + gfx_v7_0_select_se_sh(adev, i, j, 0xffffffff); + adev->gfx.config.rb_config[i][j].rb_backend_disable = + RREG32(mmCC_RB_BACKEND_DISABLE); + adev->gfx.config.rb_config[i][j].user_rb_backend_disable = + RREG32(mmGC_USER_RB_BACKEND_DISABLE); + adev->gfx.config.rb_config[i][j].raster_config = + RREG32(mmPA_SC_RASTER_CONFIG); + adev->gfx.config.rb_config[i][j].raster_config_1 = + RREG32(mmPA_SC_RASTER_CONFIG_1); + } + } + gfx_v7_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); mutex_unlock(&adev->grbm_idx_mutex); } diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 1eb4d79d6e30..0450ac5ba6b6 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -1175,7 +1175,7 @@ static const struct amdgpu_irq_src_funcs vcn_v1_0_irq_funcs = { static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev) { - adev->uvd.irq.num_types = adev->vcn.num_enc_rings + 1; + adev->vcn.irq.num_types = adev->vcn.num_enc_rings + 1; adev->vcn.irq.funcs = &vcn_v1_0_irq_funcs; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c index 6c5a9cab55de..f744caeaee04 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c @@ -24,6 +24,7 @@ #include <linux/sched.h> #include <linux/moduleparam.h> #include <linux/device.h> +#include <linux/printk.h> #include "kfd_priv.h" #define KFD_DRIVER_AUTHOR "AMD Inc. and others" @@ -132,7 +133,7 @@ static void __exit kfd_module_exit(void) kfd_process_destroy_wq(); kfd_topology_shutdown(); kfd_chardev_exit(); - dev_info(kfd_device, "Removed module\n"); + pr_info("amdkfd: Removed module\n"); } module_init(kfd_module_init); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c index 4859d263fa2a..4728fad3fd74 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c @@ -202,8 +202,8 @@ static int update_mqd_sdma(struct mqd_manager *mm, void *mqd, struct cik_sdma_rlc_registers *m; m = get_sdma_mqd(mqd); - m->sdma_rlc_rb_cntl = ffs(q->queue_size / sizeof(unsigned int)) << - SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | + m->sdma_rlc_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1) + << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT | 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c index 2bec902fc939..a3f1e62c60ba 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -191,6 +191,24 @@ int pqm_create_queue(struct process_queue_manager *pqm, switch (type) { case KFD_QUEUE_TYPE_SDMA: + if (dev->dqm->queue_count >= + CIK_SDMA_QUEUES_PER_ENGINE * CIK_SDMA_ENGINE_NUM) { + pr_err("Over-subscription is not allowed for SDMA.\n"); + retval = -EPERM; + goto err_create_queue; + } + + retval = create_cp_queue(pqm, dev, &q, properties, f, *qid); + if (retval != 0) + goto err_create_queue; + pqn->q = q; + pqn->kq = NULL; + retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd, + &q->properties.vmid); + pr_debug("DQM returned %d for create_queue\n", retval); + print_queue(q); + break; + case KFD_QUEUE_TYPE_COMPUTE: /* check if there is over subscription */ if ((sched_policy == KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION) && diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 889ed24084e8..f71fe6d2ddda 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -520,7 +520,8 @@ static int detect_mst_link_for_all_connectors(struct drm_device *dev) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { aconnector = to_amdgpu_dm_connector(connector); - if (aconnector->dc_link->type == dc_connection_mst_branch) { + if (aconnector->dc_link->type == dc_connection_mst_branch && + aconnector->mst_mgr.aux) { DRM_DEBUG_DRIVER("DM_MST: starting TM on aconnector: %p [id: %d]\n", aconnector, aconnector->base.base.id); @@ -677,6 +678,10 @@ int amdgpu_dm_display_resume(struct amdgpu_device *adev) mutex_lock(&aconnector->hpd_lock); dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD); + + if (aconnector->fake_enable && aconnector->dc_link->local_sink) + aconnector->fake_enable = false; + aconnector->dc_sink = NULL; amdgpu_dm_update_connector_after_detect(aconnector); mutex_unlock(&aconnector->hpd_lock); @@ -711,7 +716,6 @@ int amdgpu_dm_display_resume(struct amdgpu_device *adev) ret = drm_atomic_helper_resume(ddev, adev->dm.cached_state); - drm_atomic_state_put(adev->dm.cached_state); adev->dm.cached_state = NULL; amdgpu_dm_irq_resume_late(adev); @@ -2704,7 +2708,7 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector) .link = aconnector->dc_link, .sink_signal = SIGNAL_TYPE_VIRTUAL }; - struct edid *edid = (struct edid *) aconnector->base.edid_blob_ptr->data; + struct edid *edid; if (!aconnector->base.edid_blob_ptr || !aconnector->base.edid_blob_ptr->data) { @@ -2716,6 +2720,8 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector) return; } + edid = (struct edid *) aconnector->base.edid_blob_ptr->data; + aconnector->edid = edid; aconnector->dc_em_sink = dc_link_add_remote_sink( @@ -4193,13 +4199,13 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) update_stream_scaling_settings(&dm_new_con_state->base.crtc->mode, dm_new_con_state, (struct dc_stream_state *)dm_new_crtc_state->stream); + if (!dm_new_crtc_state->stream) + continue; + status = dc_stream_get_status(dm_new_crtc_state->stream); WARN_ON(!status); WARN_ON(!status->plane_count); - if (!dm_new_crtc_state->stream) - continue; - /*TODO How it works with MPO ?*/ if (!dc_commit_planes_to_stream( dm->dc, @@ -4253,7 +4259,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) drm_atomic_helper_commit_hw_done(state); if (wait_for_vblank) - drm_atomic_helper_wait_for_vblanks(dev, state); + drm_atomic_helper_wait_for_flip_done(dev, state); drm_atomic_helper_cleanup_planes(dev, state); } @@ -4332,9 +4338,11 @@ void dm_restore_drm_connector_state(struct drm_device *dev, return; disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc); - acrtc_state = to_dm_crtc_state(disconnected_acrtc->base.state); + if (!disconnected_acrtc) + return; - if (!disconnected_acrtc || !acrtc_state->stream) + acrtc_state = to_dm_crtc_state(disconnected_acrtc->base.state); + if (!acrtc_state->stream) return; /* @@ -4455,7 +4463,7 @@ static int dm_update_crtcs_state(struct dc *dc, } } - if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) && + if (enable && dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) && dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) { new_crtc_state->mode_changed = false; @@ -4709,7 +4717,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, } } else { for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - if (!drm_atomic_crtc_needs_modeset(new_crtc_state)) + if (!drm_atomic_crtc_needs_modeset(new_crtc_state) && + !new_crtc_state->color_mgmt_changed) continue; if (!new_crtc_state->enable) diff --git a/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c b/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c index 785b943b60ed..6e43168fbdd6 100644 --- a/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c +++ b/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c @@ -75,6 +75,9 @@ void dc_conn_log(struct dc_context *ctx, if (signal == signal_type_info_tbl[i].type) break; + if (i == NUM_ELEMENTS(signal_type_info_tbl)) + goto fail; + dm_logger_append(&entry, "[%s][ConnIdx:%d] ", signal_type_info_tbl[i].name, link->link_index); @@ -96,6 +99,8 @@ void dc_conn_log(struct dc_context *ctx, dm_logger_append(&entry, "^\n"); dm_helpers_dc_conn_log(ctx, &entry, event); + +fail: dm_logger_close(&entry); va_end(args); diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c index aaaebd06d7ee..86e6438c5cf3 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -249,7 +249,7 @@ static enum bp_result bios_parser_get_dst_obj(struct dc_bios *dcb, struct graphics_object_id *dest_object_id) { uint32_t number; - uint16_t *id; + uint16_t *id = NULL; ATOM_OBJECT *object; struct bios_parser *bp = BP_FROM_DCB(dcb); @@ -260,7 +260,7 @@ static enum bp_result bios_parser_get_dst_obj(struct dc_bios *dcb, number = get_dest_obj_list(bp, object, &id); - if (number <= index) + if (number <= index || !id) return BP_RESULT_BADINPUT; *dest_object_id = object_id_from_bios_object_id(id[index]); diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index fe63f5894d43..7240db2e6f09 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -121,6 +121,10 @@ static bool create_links( goto failed_alloc; } + link->link_index = dc->link_count; + dc->links[dc->link_count] = link; + dc->link_count++; + link->ctx = dc->ctx; link->dc = dc; link->connector_signal = SIGNAL_TYPE_VIRTUAL; @@ -129,6 +133,13 @@ static bool create_links( link->link_id.enum_id = ENUM_ID_1; link->link_enc = kzalloc(sizeof(*link->link_enc), GFP_KERNEL); + if (!link->link_enc) { + BREAK_TO_DEBUGGER(); + goto failed_alloc; + } + + link->link_status.dpcd_caps = &link->dpcd_caps; + enc_init.ctx = dc->ctx; enc_init.channel = CHANNEL_ID_UNKNOWN; enc_init.hpd_source = HPD_SOURCEID_UNKNOWN; @@ -138,10 +149,6 @@ static bool create_links( enc_init.encoder.id = ENCODER_ID_INTERNAL_VIRTUAL; enc_init.encoder.enum_id = ENUM_ID_1; virtual_link_encoder_construct(link->link_enc, &enc_init); - - link->link_index = dc->link_count; - dc->links[dc->link_count] = link; - dc->link_count++; } return true; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 0602610489d7..e27ed4a45265 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -480,22 +480,6 @@ static void detect_dp( sink_caps->signal = SIGNAL_TYPE_DISPLAY_PORT; detect_dp_sink_caps(link); - /* DP active dongles */ - if (is_dp_active_dongle(link)) { - link->type = dc_connection_active_dongle; - if (!link->dpcd_caps.sink_count.bits.SINK_COUNT) { - /* - * active dongle unplug processing for short irq - */ - link_disconnect_sink(link); - return; - } - - if (link->dpcd_caps.dongle_type != - DISPLAY_DONGLE_DP_HDMI_CONVERTER) { - *converter_disable_audio = true; - } - } if (is_mst_supported(link)) { sink_caps->signal = SIGNAL_TYPE_DISPLAY_PORT_MST; link->type = dc_connection_mst_branch; @@ -535,6 +519,22 @@ static void detect_dp( sink_caps->signal = SIGNAL_TYPE_DISPLAY_PORT; } } + + if (link->type != dc_connection_mst_branch && + is_dp_active_dongle(link)) { + /* DP active dongles */ + link->type = dc_connection_active_dongle; + if (!link->dpcd_caps.sink_count.bits.SINK_COUNT) { + /* + * active dongle unplug processing for short irq + */ + link_disconnect_sink(link); + return; + } + + if (link->dpcd_caps.dongle_type != DISPLAY_DONGLE_DP_HDMI_CONVERTER) + *converter_disable_audio = true; + } } else { /* DP passive dongles */ sink_caps->signal = dp_passive_dongle_detection(link->ddc, @@ -1801,12 +1801,75 @@ static void disable_link(struct dc_link *link, enum signal_type signal) link->link_enc->funcs->disable_output(link->link_enc, signal, link); } +bool dp_active_dongle_validate_timing( + const struct dc_crtc_timing *timing, + const struct dc_dongle_caps *dongle_caps) +{ + unsigned int required_pix_clk = timing->pix_clk_khz; + + if (dongle_caps->dongle_type != DISPLAY_DONGLE_DP_HDMI_CONVERTER || + dongle_caps->extendedCapValid == false) + return true; + + /* Check Pixel Encoding */ + switch (timing->pixel_encoding) { + case PIXEL_ENCODING_RGB: + case PIXEL_ENCODING_YCBCR444: + break; + case PIXEL_ENCODING_YCBCR422: + if (!dongle_caps->is_dp_hdmi_ycbcr422_pass_through) + return false; + break; + case PIXEL_ENCODING_YCBCR420: + if (!dongle_caps->is_dp_hdmi_ycbcr420_pass_through) + return false; + break; + default: + /* Invalid Pixel Encoding*/ + return false; + } + + + /* Check Color Depth and Pixel Clock */ + if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) + required_pix_clk /= 2; + + switch (timing->display_color_depth) { + case COLOR_DEPTH_666: + case COLOR_DEPTH_888: + /*888 and 666 should always be supported*/ + break; + case COLOR_DEPTH_101010: + if (dongle_caps->dp_hdmi_max_bpc < 10) + return false; + required_pix_clk = required_pix_clk * 10 / 8; + break; + case COLOR_DEPTH_121212: + if (dongle_caps->dp_hdmi_max_bpc < 12) + return false; + required_pix_clk = required_pix_clk * 12 / 8; + break; + + case COLOR_DEPTH_141414: + case COLOR_DEPTH_161616: + default: + /* These color depths are currently not supported */ + return false; + } + + if (required_pix_clk > dongle_caps->dp_hdmi_max_pixel_clk) + return false; + + return true; +} + enum dc_status dc_link_validate_mode_timing( const struct dc_stream_state *stream, struct dc_link *link, const struct dc_crtc_timing *timing) { uint32_t max_pix_clk = stream->sink->dongle_max_pix_clk; + struct dc_dongle_caps *dongle_caps = &link->link_status.dpcd_caps->dongle_caps; /* A hack to avoid failing any modes for EDID override feature on * topology change such as lower quality cable for DP or different dongle @@ -1814,8 +1877,13 @@ enum dc_status dc_link_validate_mode_timing( if (link->remote_sinks[0]) return DC_OK; + /* Passive Dongle */ if (0 != max_pix_clk && timing->pix_clk_khz > max_pix_clk) - return DC_EXCEED_DONGLE_MAX_CLK; + return DC_EXCEED_DONGLE_CAP; + + /* Active Dongle*/ + if (!dp_active_dongle_validate_timing(timing, dongle_caps)) + return DC_EXCEED_DONGLE_CAP; switch (stream->signal) { case SIGNAL_TYPE_EDP: diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index ced42484dcfc..e6bf05d76a94 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1512,7 +1512,7 @@ static bool hpd_rx_irq_check_link_loss_status( struct dc_link *link, union hpd_irq_data *hpd_irq_dpcd_data) { - uint8_t irq_reg_rx_power_state; + uint8_t irq_reg_rx_power_state = 0; enum dc_status dpcd_result = DC_ERROR_UNEXPECTED; union lane_status lane_status; uint32_t lane; @@ -1524,60 +1524,55 @@ static bool hpd_rx_irq_check_link_loss_status( if (link->cur_link_settings.lane_count == 0) return return_code; - /*1. Check that we can handle interrupt: Not in FS DOS, - * Not in "Display Timeout" state, Link is trained. - */ - dpcd_result = core_link_read_dpcd(link, - DP_SET_POWER, - &irq_reg_rx_power_state, - sizeof(irq_reg_rx_power_state)); + /*1. Check that Link Status changed, before re-training.*/ - if (dpcd_result != DC_OK) { - irq_reg_rx_power_state = DP_SET_POWER_D0; - dm_logger_write(link->ctx->logger, LOG_HW_HPD_IRQ, - "%s: DPCD read failed to obtain power state.\n", - __func__); + /*parse lane status*/ + for (lane = 0; lane < link->cur_link_settings.lane_count; lane++) { + /* check status of lanes 0,1 + * changed DpcdAddress_Lane01Status (0x202) + */ + lane_status.raw = get_nibble_at_index( + &hpd_irq_dpcd_data->bytes.lane01_status.raw, + lane); + + if (!lane_status.bits.CHANNEL_EQ_DONE_0 || + !lane_status.bits.CR_DONE_0 || + !lane_status.bits.SYMBOL_LOCKED_0) { + /* if one of the channel equalization, clock + * recovery or symbol lock is dropped + * consider it as (link has been + * dropped) dp sink status has changed + */ + sink_status_changed = true; + break; + } } - if (irq_reg_rx_power_state == DP_SET_POWER_D0) { - - /*2. Check that Link Status changed, before re-training.*/ - - /*parse lane status*/ - for (lane = 0; - lane < link->cur_link_settings.lane_count; - lane++) { + /* Check interlane align.*/ + if (sink_status_changed || + !hpd_irq_dpcd_data->bytes.lane_status_updated.bits.INTERLANE_ALIGN_DONE) { - /* check status of lanes 0,1 - * changed DpcdAddress_Lane01Status (0x202)*/ - lane_status.raw = get_nibble_at_index( - &hpd_irq_dpcd_data->bytes.lane01_status.raw, - lane); - - if (!lane_status.bits.CHANNEL_EQ_DONE_0 || - !lane_status.bits.CR_DONE_0 || - !lane_status.bits.SYMBOL_LOCKED_0) { - /* if one of the channel equalization, clock - * recovery or symbol lock is dropped - * consider it as (link has been - * dropped) dp sink status has changed*/ - sink_status_changed = true; - break; - } + dm_logger_write(link->ctx->logger, LOG_HW_HPD_IRQ, + "%s: Link Status changed.\n", __func__); - } + return_code = true; - /* Check interlane align.*/ - if (sink_status_changed || - !hpd_irq_dpcd_data->bytes.lane_status_updated.bits. - INTERLANE_ALIGN_DONE) { + /*2. Check that we can handle interrupt: Not in FS DOS, + * Not in "Display Timeout" state, Link is trained. + */ + dpcd_result = core_link_read_dpcd(link, + DP_SET_POWER, + &irq_reg_rx_power_state, + sizeof(irq_reg_rx_power_state)); + if (dpcd_result != DC_OK) { dm_logger_write(link->ctx->logger, LOG_HW_HPD_IRQ, - "%s: Link Status changed.\n", + "%s: DPCD read failed to obtain power state.\n", __func__); - - return_code = true; + } else { + if (irq_reg_rx_power_state != DP_SET_POWER_D0) + return_code = false; } } @@ -2062,6 +2057,24 @@ bool is_dp_active_dongle(const struct dc_link *link) (dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER); } +static int translate_dpcd_max_bpc(enum dpcd_downstream_port_max_bpc bpc) +{ + switch (bpc) { + case DOWN_STREAM_MAX_8BPC: + return 8; + case DOWN_STREAM_MAX_10BPC: + return 10; + case DOWN_STREAM_MAX_12BPC: + return 12; + case DOWN_STREAM_MAX_16BPC: + return 16; + default: + break; + } + + return -1; +} + static void get_active_converter_info( uint8_t data, struct dc_link *link) { @@ -2131,7 +2144,8 @@ static void get_active_converter_info( hdmi_caps.bits.YCrCr420_CONVERSION; link->dpcd_caps.dongle_caps.dp_hdmi_max_bpc = - hdmi_color_caps.bits.MAX_BITS_PER_COLOR_COMPONENT; + translate_dpcd_max_bpc( + hdmi_color_caps.bits.MAX_BITS_PER_COLOR_COMPONENT); link->dpcd_caps.dongle_caps.extendedCapValid = true; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index d1cdf9f8853d..b7422d3b71ef 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -516,13 +516,11 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx) right_view = (plane_state->rotation == ROTATION_ANGLE_270) != sec_split; if (right_view) { - data->viewport.width /= 2; - data->viewport_c.width /= 2; - data->viewport.x += data->viewport.width; - data->viewport_c.x += data->viewport_c.width; + data->viewport.x += data->viewport.width / 2; + data->viewport_c.x += data->viewport_c.width / 2; /* Ceil offset pipe */ - data->viewport.width += data->viewport.width % 2; - data->viewport_c.width += data->viewport_c.width % 2; + data->viewport.width = (data->viewport.width + 1) / 2; + data->viewport_c.width = (data->viewport_c.width + 1) / 2; } else { data->viewport.width /= 2; data->viewport_c.width /= 2; @@ -580,14 +578,12 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx, struct view *recout_skip if (pipe_ctx->top_pipe && pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state) { if (stream->view_format == VIEW_3D_FORMAT_TOP_AND_BOTTOM) { - pipe_ctx->plane_res.scl_data.recout.height /= 2; - pipe_ctx->plane_res.scl_data.recout.y += pipe_ctx->plane_res.scl_data.recout.height; + pipe_ctx->plane_res.scl_data.recout.y += pipe_ctx->plane_res.scl_data.recout.height / 2; /* Floor primary pipe, ceil 2ndary pipe */ - pipe_ctx->plane_res.scl_data.recout.height += pipe_ctx->plane_res.scl_data.recout.height % 2; + pipe_ctx->plane_res.scl_data.recout.height = (pipe_ctx->plane_res.scl_data.recout.height + 1) / 2; } else { - pipe_ctx->plane_res.scl_data.recout.width /= 2; - pipe_ctx->plane_res.scl_data.recout.x += pipe_ctx->plane_res.scl_data.recout.width; - pipe_ctx->plane_res.scl_data.recout.width += pipe_ctx->plane_res.scl_data.recout.width % 2; + pipe_ctx->plane_res.scl_data.recout.x += pipe_ctx->plane_res.scl_data.recout.width / 2; + pipe_ctx->plane_res.scl_data.recout.width = (pipe_ctx->plane_res.scl_data.recout.width + 1) / 2; } } else if (pipe_ctx->bottom_pipe && pipe_ctx->bottom_pipe->plane_state == pipe_ctx->plane_state) { @@ -856,6 +852,7 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx) pipe_ctx->plane_res.scl_data.h_active = timing->h_addressable + timing->h_border_left + timing->h_border_right; pipe_ctx->plane_res.scl_data.v_active = timing->v_addressable + timing->v_border_top + timing->v_border_bottom; + /* Taps calculations */ if (pipe_ctx->plane_res.xfm != NULL) res = pipe_ctx->plane_res.xfm->funcs->transform_get_optimal_number_of_taps( @@ -864,16 +861,21 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx) if (pipe_ctx->plane_res.dpp != NULL) res = pipe_ctx->plane_res.dpp->funcs->dpp_get_optimal_number_of_taps( pipe_ctx->plane_res.dpp, &pipe_ctx->plane_res.scl_data, &plane_state->scaling_quality); - if (!res) { /* Try 24 bpp linebuffer */ pipe_ctx->plane_res.scl_data.lb_params.depth = LB_PIXEL_DEPTH_24BPP; - res = pipe_ctx->plane_res.xfm->funcs->transform_get_optimal_number_of_taps( - pipe_ctx->plane_res.xfm, &pipe_ctx->plane_res.scl_data, &plane_state->scaling_quality); + if (pipe_ctx->plane_res.xfm != NULL) + res = pipe_ctx->plane_res.xfm->funcs->transform_get_optimal_number_of_taps( + pipe_ctx->plane_res.xfm, + &pipe_ctx->plane_res.scl_data, + &plane_state->scaling_quality); - res = pipe_ctx->plane_res.dpp->funcs->dpp_get_optimal_number_of_taps( - pipe_ctx->plane_res.dpp, &pipe_ctx->plane_res.scl_data, &plane_state->scaling_quality); + if (pipe_ctx->plane_res.dpp != NULL) + res = pipe_ctx->plane_res.dpp->funcs->dpp_get_optimal_number_of_taps( + pipe_ctx->plane_res.dpp, + &pipe_ctx->plane_res.scl_data, + &plane_state->scaling_quality); } if (res) @@ -991,8 +993,10 @@ static struct pipe_ctx *acquire_free_pipe_for_stream( head_pipe = resource_get_head_pipe_for_stream(res_ctx, stream); - if (!head_pipe) + if (!head_pipe) { ASSERT(0); + return NULL; + } if (!head_pipe->plane_state) return head_pipe; @@ -1447,11 +1451,16 @@ static struct stream_encoder *find_first_free_match_stream_enc_for_link( static struct audio *find_first_free_audio( struct resource_context *res_ctx, - const struct resource_pool *pool) + const struct resource_pool *pool, + enum engine_id id) { int i; for (i = 0; i < pool->audio_count; i++) { if ((res_ctx->is_audio_acquired[i] == false) && (res_ctx->is_stream_enc_acquired[i] == true)) { + /*we have enough audio endpoint, find the matching inst*/ + if (id != i) + continue; + return pool->audios[i]; } } @@ -1700,7 +1709,7 @@ enum dc_status resource_map_pool_resources( dc_is_audio_capable_signal(pipe_ctx->stream->signal) && stream->audio_info.mode_count) { pipe_ctx->stream_res.audio = find_first_free_audio( - &context->res_ctx, pool); + &context->res_ctx, pool, pipe_ctx->stream_res.stream_enc->id); /* * Audio assigned in order first come first get. @@ -1765,13 +1774,16 @@ enum dc_status dc_validate_global_state( enum dc_status result = DC_ERROR_UNEXPECTED; int i, j; + if (!new_ctx) + return DC_ERROR_UNEXPECTED; + if (dc->res_pool->funcs->validate_global) { result = dc->res_pool->funcs->validate_global(dc, new_ctx); if (result != DC_OK) return result; } - for (i = 0; new_ctx && i < new_ctx->stream_count; i++) { + for (i = 0; i < new_ctx->stream_count; i++) { struct dc_stream_state *stream = new_ctx->streams[i]; for (j = 0; j < dc->res_pool->pipe_count; j++) { diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index b00a6040a697..e230cc44a0a7 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -263,7 +263,6 @@ bool dc_stream_set_cursor_position( struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp; struct mem_input *mi = pipe_ctx->plane_res.mi; struct hubp *hubp = pipe_ctx->plane_res.hubp; - struct transform *xfm = pipe_ctx->plane_res.xfm; struct dpp *dpp = pipe_ctx->plane_res.dpp; struct dc_cursor_position pos_cpy = *position; struct dc_cursor_mi_param param = { @@ -294,11 +293,11 @@ bool dc_stream_set_cursor_position( if (mi != NULL && mi->funcs->set_cursor_position != NULL) mi->funcs->set_cursor_position(mi, &pos_cpy, ¶m); - if (hubp != NULL && hubp->funcs->set_cursor_position != NULL) - hubp->funcs->set_cursor_position(hubp, &pos_cpy, ¶m); + if (!hubp) + continue; - if (xfm != NULL && xfm->funcs->set_cursor_position != NULL) - xfm->funcs->set_cursor_position(xfm, &pos_cpy, ¶m, hubp->curs_attr.width); + if (hubp->funcs->set_cursor_position != NULL) + hubp->funcs->set_cursor_position(hubp, &pos_cpy, ¶m); if (dpp != NULL && dpp->funcs->set_cursor_position != NULL) dpp->funcs->set_cursor_position(dpp, &pos_cpy, ¶m, hubp->curs_attr.width); diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c index 81c40f8864db..0df9ecb2710c 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c @@ -352,11 +352,11 @@ void dce_aud_az_enable(struct audio *audio) uint32_t value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL); set_reg_field_value(value, 1, - AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, - CLOCK_GATING_DISABLE); - set_reg_field_value(value, 1, - AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, - AUDIO_ENABLED); + AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, + CLOCK_GATING_DISABLE); + set_reg_field_value(value, 1, + AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, + AUDIO_ENABLED); AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL); diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c index 4fd49a16c3b6..e42b6eb1c1f0 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -87,6 +87,9 @@ static void dce110_update_generic_info_packet( */ uint32_t max_retries = 50; + /*we need turn on clock before programming AFMT block*/ + REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); + if (REG(AFMT_VBI_PACKET_CONTROL1)) { if (packet_index >= 8) ASSERT(0); diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 1229a3315018..07ff8d2faf3f 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -991,6 +991,16 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx, int option) struct dc_link *link = stream->sink->link; struct dc *dc = pipe_ctx->stream->ctx->dc; + if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) + pipe_ctx->stream_res.stream_enc->funcs->stop_hdmi_info_packets( + pipe_ctx->stream_res.stream_enc); + + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + pipe_ctx->stream_res.stream_enc->funcs->stop_dp_info_packets( + pipe_ctx->stream_res.stream_enc); + + pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control( + pipe_ctx->stream_res.stream_enc, true); if (pipe_ctx->stream_res.audio) { pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio); @@ -1015,18 +1025,6 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx, int option) */ } - if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) - pipe_ctx->stream_res.stream_enc->funcs->stop_hdmi_info_packets( - pipe_ctx->stream_res.stream_enc); - - if (dc_is_dp_signal(pipe_ctx->stream->signal)) - pipe_ctx->stream_res.stream_enc->funcs->stop_dp_info_packets( - pipe_ctx->stream_res.stream_enc); - - pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control( - pipe_ctx->stream_res.stream_enc, true); - - /* blank at encoder level */ if (dc_is_dp_signal(pipe_ctx->stream->signal)) { if (pipe_ctx->stream->sink->link->connector_signal == SIGNAL_TYPE_EDP) @@ -1774,6 +1772,10 @@ static enum dc_status validate_fbc(struct dc *dc, if (pipe_ctx->stream->sink->link->psr_enabled) return DC_ERROR_UNEXPECTED; + /* Nothing to compress */ + if (!pipe_ctx->plane_state) + return DC_ERROR_UNEXPECTED; + /* Only for non-linear tiling */ if (pipe_ctx->plane_state->tiling_info.gfx8.array_mode == DC_ARRAY_LINEAR_GENERAL) return DC_ERROR_UNEXPECTED; @@ -1868,8 +1870,10 @@ static void dce110_reset_hw_ctx_wrap( pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) { struct clock_source *old_clk = pipe_ctx_old->clock_source; - /* disable already, no need to disable again */ - if (pipe_ctx->stream && !pipe_ctx->stream->dpms_off) + /* Disable if new stream is null. O/w, if stream is + * disabled already, no need to disable again. + */ + if (!pipe_ctx->stream || !pipe_ctx->stream->dpms_off) core_link_disable_stream(pipe_ctx_old, FREE_ACQUIRED_RESOURCE); pipe_ctx_old->stream_res.tg->funcs->set_blank(pipe_ctx_old->stream_res.tg, true); diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c index db96d2b47ff1..61adb8174ce0 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c @@ -1037,11 +1037,13 @@ static bool underlay_create(struct dc_context *ctx, struct resource_pool *pool) struct dce110_opp *dce110_oppv = kzalloc(sizeof(*dce110_oppv), GFP_KERNEL); - if ((dce110_tgv == NULL) || - (dce110_xfmv == NULL) || - (dce110_miv == NULL) || - (dce110_oppv == NULL)) - return false; + if (!dce110_tgv || !dce110_xfmv || !dce110_miv || !dce110_oppv) { + kfree(dce110_tgv); + kfree(dce110_xfmv); + kfree(dce110_miv); + kfree(dce110_oppv); + return false; + } dce110_opp_v_construct(dce110_oppv, ctx); diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c index 67ac737eaa7e..4befce6cd87a 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c @@ -1112,10 +1112,7 @@ bool dce110_timing_generator_validate_timing( enum signal_type signal) { uint32_t h_blank; - uint32_t h_back_porch; - uint32_t hsync_offset = timing->h_border_right + - timing->h_front_porch; - uint32_t h_sync_start = timing->h_addressable + hsync_offset; + uint32_t h_back_porch, hsync_offset, h_sync_start; struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg); @@ -1124,6 +1121,9 @@ bool dce110_timing_generator_validate_timing( if (!timing) return false; + hsync_offset = timing->h_border_right + timing->h_front_porch; + h_sync_start = timing->h_addressable + hsync_offset; + /* Currently we don't support 3D, so block all 3D timings */ if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE) return false; diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c index 4c4bd72d4e40..9fc8f827f2a1 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c @@ -912,11 +912,13 @@ static struct pipe_ctx *dcn10_acquire_idle_pipe_for_layer( struct pipe_ctx *head_pipe = resource_get_head_pipe_for_stream(res_ctx, stream); struct pipe_ctx *idle_pipe = find_idle_secondary_pipe(res_ctx, pool); - if (!head_pipe) + if (!head_pipe) { ASSERT(0); + return NULL; + } if (!idle_pipe) - return false; + return NULL; idle_pipe->stream = head_pipe->stream; idle_pipe->stream_res.tg = head_pipe->stream_res.tg; diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c index c7333cdf1802..fced178c8c79 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c @@ -496,9 +496,6 @@ static bool tgn10_validate_timing( timing->timing_3d_format != TIMING_3D_FORMAT_INBAND_FA) return false; - if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE && - tg->ctx->dc->debug.disable_stereo_support) - return false; /* Temporarily blocking interlacing mode until it's supported */ if (timing->flags.INTERLACE == 1) return false; diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_status.h b/drivers/gpu/drm/amd/display/dc/inc/core_status.h index 01df85641684..94fc31080fda 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/core_status.h +++ b/drivers/gpu/drm/amd/display/dc/inc/core_status.h @@ -38,7 +38,7 @@ enum dc_status { DC_FAIL_DETACH_SURFACES = 8, DC_FAIL_SURFACE_VALIDATE = 9, DC_NO_DP_LINK_BANDWIDTH = 10, - DC_EXCEED_DONGLE_MAX_CLK = 11, + DC_EXCEED_DONGLE_CAP = 11, DC_SURFACE_PIXEL_FORMAT_UNSUPPORTED = 12, DC_FAIL_BANDWIDTH_VALIDATE = 13, /* BW and Watermark validation */ DC_FAIL_SCALING = 14, diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h index 7c08bc62c1f5..ea88997e1bbd 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h @@ -259,13 +259,6 @@ struct transform_funcs { struct transform *xfm_base, const struct dc_cursor_attributes *attr); - void (*set_cursor_position)( - struct transform *xfm_base, - const struct dc_cursor_position *pos, - const struct dc_cursor_mi_param *param, - uint32_t width - ); - }; const uint16_t *get_filter_2tap_16p(void); diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c index 72b22b805412..5a5427bbd70e 100644 --- a/drivers/gpu/drm/arm/hdlcd_crtc.c +++ b/drivers/gpu/drm/arm/hdlcd_crtc.c @@ -317,9 +317,8 @@ static struct drm_plane *hdlcd_plane_init(struct drm_device *drm) formats, ARRAY_SIZE(formats), NULL, DRM_PLANE_TYPE_PRIMARY, NULL); - if (ret) { + if (ret) return ERR_PTR(ret); - } drm_plane_helper_add(plane, &hdlcd_plane_helper_funcs); hdlcd->plane = plane; diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index 764d0c83710c..0afb53b1f4e9 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -13,6 +13,7 @@ #include <linux/spinlock.h> #include <linux/clk.h> #include <linux/component.h> +#include <linux/console.h> #include <linux/list.h> #include <linux/of_graph.h> #include <linux/of_reserved_mem.h> @@ -354,7 +355,7 @@ err_unload: err_free: drm_mode_config_cleanup(drm); dev_set_drvdata(dev, NULL); - drm_dev_unref(drm); + drm_dev_put(drm); return ret; } @@ -379,7 +380,7 @@ static void hdlcd_drm_unbind(struct device *dev) pm_runtime_disable(drm->dev); of_reserved_mem_device_release(drm->dev); drm_mode_config_cleanup(drm); - drm_dev_unref(drm); + drm_dev_put(drm); drm->dev_private = NULL; dev_set_drvdata(dev, NULL); } @@ -432,9 +433,11 @@ static int __maybe_unused hdlcd_pm_suspend(struct device *dev) return 0; drm_kms_helper_poll_disable(drm); + drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 1); hdlcd->state = drm_atomic_helper_suspend(drm); if (IS_ERR(hdlcd->state)) { + drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0); drm_kms_helper_poll_enable(drm); return PTR_ERR(hdlcd->state); } @@ -451,8 +454,8 @@ static int __maybe_unused hdlcd_pm_resume(struct device *dev) return 0; drm_atomic_helper_resume(drm, hdlcd->state); + drm_fbdev_cma_set_suspend_unlocked(hdlcd->fbdev, 0); drm_kms_helper_poll_enable(drm); - pm_runtime_set_active(dev); return 0; } diff --git a/drivers/gpu/drm/arm/malidp_crtc.c b/drivers/gpu/drm/arm/malidp_crtc.c index 3615d18a7ddf..904fff80917b 100644 --- a/drivers/gpu/drm/arm/malidp_crtc.c +++ b/drivers/gpu/drm/arm/malidp_crtc.c @@ -65,8 +65,8 @@ static void malidp_crtc_atomic_enable(struct drm_crtc *crtc, /* We rely on firmware to set mclk to a sensible level. */ clk_set_rate(hwdev->pxlclk, crtc->state->adjusted_mode.crtc_clock * 1000); - hwdev->modeset(hwdev, &vm); - hwdev->leave_config_mode(hwdev); + hwdev->hw->modeset(hwdev, &vm); + hwdev->hw->leave_config_mode(hwdev); drm_crtc_vblank_on(crtc); } @@ -77,8 +77,12 @@ static void malidp_crtc_atomic_disable(struct drm_crtc *crtc, struct malidp_hw_device *hwdev = malidp->dev; int err; + /* always disable planes on the CRTC that is being turned off */ + drm_atomic_helper_disable_planes_on_crtc(old_state, false); + drm_crtc_vblank_off(crtc); - hwdev->enter_config_mode(hwdev); + hwdev->hw->enter_config_mode(hwdev); + clk_disable_unprepare(hwdev->pxlclk); err = pm_runtime_put(crtc->dev->dev); @@ -319,7 +323,7 @@ static int malidp_crtc_atomic_check_scaling(struct drm_crtc *crtc, mclk_calc: drm_display_mode_to_videomode(&state->adjusted_mode, &vm); - ret = hwdev->se_calc_mclk(hwdev, s, &vm); + ret = hwdev->hw->se_calc_mclk(hwdev, s, &vm); if (ret < 0) return -EINVAL; return 0; @@ -475,7 +479,7 @@ static int malidp_crtc_enable_vblank(struct drm_crtc *crtc) struct malidp_hw_device *hwdev = malidp->dev; malidp_hw_enable_irq(hwdev, MALIDP_DE_BLOCK, - hwdev->map.de_irq_map.vsync_irq); + hwdev->hw->map.de_irq_map.vsync_irq); return 0; } @@ -485,7 +489,7 @@ static void malidp_crtc_disable_vblank(struct drm_crtc *crtc) struct malidp_hw_device *hwdev = malidp->dev; malidp_hw_disable_irq(hwdev, MALIDP_DE_BLOCK, - hwdev->map.de_irq_map.vsync_irq); + hwdev->hw->map.de_irq_map.vsync_irq); } static const struct drm_crtc_funcs malidp_crtc_funcs = { diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index b8944666a18f..91f2b0191368 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -47,10 +47,10 @@ static void malidp_write_gamma_table(struct malidp_hw_device *hwdev, * directly. */ malidp_hw_write(hwdev, gamma_write_mask, - hwdev->map.coeffs_base + MALIDP_COEF_TABLE_ADDR); + hwdev->hw->map.coeffs_base + MALIDP_COEF_TABLE_ADDR); for (i = 0; i < MALIDP_COEFFTAB_NUM_COEFFS; ++i) malidp_hw_write(hwdev, data[i], - hwdev->map.coeffs_base + + hwdev->hw->map.coeffs_base + MALIDP_COEF_TABLE_DATA); } @@ -103,7 +103,7 @@ void malidp_atomic_commit_update_coloradj(struct drm_crtc *crtc, for (i = 0; i < MALIDP_COLORADJ_NUM_COEFFS; ++i) malidp_hw_write(hwdev, mc->coloradj_coeffs[i], - hwdev->map.coeffs_base + + hwdev->hw->map.coeffs_base + MALIDP_COLOR_ADJ_COEF + 4 * i); malidp_hw_setbits(hwdev, MALIDP_DISP_FUNC_CADJ, @@ -120,8 +120,8 @@ static void malidp_atomic_commit_se_config(struct drm_crtc *crtc, struct malidp_hw_device *hwdev = malidp->dev; struct malidp_se_config *s = &cs->scaler_config; struct malidp_se_config *old_s = &old_cs->scaler_config; - u32 se_control = hwdev->map.se_base + - ((hwdev->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ? + u32 se_control = hwdev->hw->map.se_base + + ((hwdev->hw->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ? 0x10 : 0xC); u32 layer_control = se_control + MALIDP_SE_LAYER_CONTROL; u32 scr = se_control + MALIDP_SE_SCALING_CONTROL; @@ -135,7 +135,7 @@ static void malidp_atomic_commit_se_config(struct drm_crtc *crtc, return; } - hwdev->se_set_scaling_coeffs(hwdev, s, old_s); + hwdev->hw->se_set_scaling_coeffs(hwdev, s, old_s); val = malidp_hw_read(hwdev, se_control); val |= MALIDP_SE_SCALING_EN | MALIDP_SE_ALPHA_EN; @@ -170,9 +170,9 @@ static int malidp_set_and_wait_config_valid(struct drm_device *drm) int ret; atomic_set(&malidp->config_valid, 0); - hwdev->set_config_valid(hwdev); + hwdev->hw->set_config_valid(hwdev); /* don't wait for config_valid flag if we are in config mode */ - if (hwdev->in_config_mode(hwdev)) + if (hwdev->hw->in_config_mode(hwdev)) return 0; ret = wait_event_interruptible_timeout(malidp->wq, @@ -455,7 +455,7 @@ static int malidp_runtime_pm_suspend(struct device *dev) struct malidp_hw_device *hwdev = malidp->dev; /* we can only suspend if the hardware is in config mode */ - WARN_ON(!hwdev->in_config_mode(hwdev)); + WARN_ON(!hwdev->hw->in_config_mode(hwdev)); hwdev->pm_suspended = true; clk_disable_unprepare(hwdev->mclk); @@ -500,11 +500,7 @@ static int malidp_bind(struct device *dev) if (!hwdev) return -ENOMEM; - /* - * copy the associated data from malidp_drm_of_match to avoid - * having to keep a reference to the OF node after binding - */ - memcpy(hwdev, of_device_get_match_data(dev), sizeof(*hwdev)); + hwdev->hw = (struct malidp_hw *)of_device_get_match_data(dev); malidp->dev = hwdev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -568,13 +564,13 @@ static int malidp_bind(struct device *dev) goto query_hw_fail; } - ret = hwdev->query_hw(hwdev); + ret = hwdev->hw->query_hw(hwdev); if (ret) { DRM_ERROR("Invalid HW configuration\n"); goto query_hw_fail; } - version = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_DE_CORE_ID); + version = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_DE_CORE_ID); DRM_INFO("found ARM Mali-DP%3x version r%dp%d\n", version >> 16, (version >> 12) & 0xf, (version >> 8) & 0xf); @@ -589,7 +585,7 @@ static int malidp_bind(struct device *dev) for (i = 0; i < MAX_OUTPUT_CHANNELS; i++) out_depth = (out_depth << 8) | (output_width[i] & 0xf); - malidp_hw_write(hwdev, out_depth, hwdev->map.out_depth_base); + malidp_hw_write(hwdev, out_depth, hwdev->hw->map.out_depth_base); atomic_set(&malidp->config_valid, 0); init_waitqueue_head(&malidp->wq); @@ -671,7 +667,7 @@ query_hw_fail: malidp_runtime_pm_suspend(dev); drm->dev_private = NULL; dev_set_drvdata(dev, NULL); - drm_dev_unref(drm); + drm_dev_put(drm); alloc_fail: of_reserved_mem_device_release(dev); @@ -704,7 +700,7 @@ static void malidp_unbind(struct device *dev) malidp_runtime_pm_suspend(dev); drm->dev_private = NULL; dev_set_drvdata(dev, NULL); - drm_dev_unref(drm); + drm_dev_put(drm); of_reserved_mem_device_release(dev); } diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c index 17bca99e8ac8..2bfb542135ac 100644 --- a/drivers/gpu/drm/arm/malidp_hw.c +++ b/drivers/gpu/drm/arm/malidp_hw.c @@ -183,7 +183,7 @@ static void malidp500_enter_config_mode(struct malidp_hw_device *hwdev) malidp_hw_setbits(hwdev, MALIDP500_DC_CONFIG_REQ, MALIDP500_DC_CONTROL); while (count) { - status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS); + status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS); if ((status & MALIDP500_DC_CONFIG_REQ) == MALIDP500_DC_CONFIG_REQ) break; /* @@ -203,7 +203,7 @@ static void malidp500_leave_config_mode(struct malidp_hw_device *hwdev) malidp_hw_clearbits(hwdev, MALIDP_CFG_VALID, MALIDP500_CONFIG_VALID); malidp_hw_clearbits(hwdev, MALIDP500_DC_CONFIG_REQ, MALIDP500_DC_CONTROL); while (count) { - status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS); + status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS); if ((status & MALIDP500_DC_CONFIG_REQ) == 0) break; usleep_range(100, 1000); @@ -216,7 +216,7 @@ static bool malidp500_in_config_mode(struct malidp_hw_device *hwdev) { u32 status; - status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS); + status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS); if ((status & MALIDP500_DC_CONFIG_REQ) == MALIDP500_DC_CONFIG_REQ) return true; @@ -407,7 +407,7 @@ static void malidp550_enter_config_mode(struct malidp_hw_device *hwdev) malidp_hw_setbits(hwdev, MALIDP550_DC_CONFIG_REQ, MALIDP550_DC_CONTROL); while (count) { - status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS); + status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS); if ((status & MALIDP550_DC_CONFIG_REQ) == MALIDP550_DC_CONFIG_REQ) break; /* @@ -427,7 +427,7 @@ static void malidp550_leave_config_mode(struct malidp_hw_device *hwdev) malidp_hw_clearbits(hwdev, MALIDP_CFG_VALID, MALIDP550_CONFIG_VALID); malidp_hw_clearbits(hwdev, MALIDP550_DC_CONFIG_REQ, MALIDP550_DC_CONTROL); while (count) { - status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS); + status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS); if ((status & MALIDP550_DC_CONFIG_REQ) == 0) break; usleep_range(100, 1000); @@ -440,7 +440,7 @@ static bool malidp550_in_config_mode(struct malidp_hw_device *hwdev) { u32 status; - status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS); + status = malidp_hw_read(hwdev, hwdev->hw->map.dc_base + MALIDP_REG_STATUS); if ((status & MALIDP550_DC_CONFIG_REQ) == MALIDP550_DC_CONFIG_REQ) return true; @@ -616,7 +616,7 @@ static int malidp650_query_hw(struct malidp_hw_device *hwdev) return 0; } -const struct malidp_hw_device malidp_device[MALIDP_MAX_DEVICES] = { +const struct malidp_hw malidp_device[MALIDP_MAX_DEVICES] = { [MALIDP_500] = { .map = { .coeffs_base = MALIDP500_COEFFS_BASE, @@ -751,7 +751,7 @@ static void malidp_hw_clear_irq(struct malidp_hw_device *hwdev, u8 block, u32 ir { u32 base = malidp_get_block_base(hwdev, block); - if (hwdev->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) + if (hwdev->hw->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) malidp_hw_write(hwdev, irq, base + MALIDP_REG_CLEARIRQ); else malidp_hw_write(hwdev, irq, base + MALIDP_REG_STATUS); @@ -762,12 +762,14 @@ static irqreturn_t malidp_de_irq(int irq, void *arg) struct drm_device *drm = arg; struct malidp_drm *malidp = drm->dev_private; struct malidp_hw_device *hwdev; + struct malidp_hw *hw; const struct malidp_irq_map *de; u32 status, mask, dc_status; irqreturn_t ret = IRQ_NONE; hwdev = malidp->dev; - de = &hwdev->map.de_irq_map; + hw = hwdev->hw; + de = &hw->map.de_irq_map; /* * if we are suspended it is likely that we were invoked because @@ -778,8 +780,8 @@ static irqreturn_t malidp_de_irq(int irq, void *arg) return IRQ_NONE; /* first handle the config valid IRQ */ - dc_status = malidp_hw_read(hwdev, hwdev->map.dc_base + MALIDP_REG_STATUS); - if (dc_status & hwdev->map.dc_irq_map.vsync_irq) { + dc_status = malidp_hw_read(hwdev, hw->map.dc_base + MALIDP_REG_STATUS); + if (dc_status & hw->map.dc_irq_map.vsync_irq) { /* we have a page flip event */ atomic_set(&malidp->config_valid, 1); malidp_hw_clear_irq(hwdev, MALIDP_DC_BLOCK, dc_status); @@ -832,11 +834,11 @@ int malidp_de_irq_init(struct drm_device *drm, int irq) /* first enable the DC block IRQs */ malidp_hw_enable_irq(hwdev, MALIDP_DC_BLOCK, - hwdev->map.dc_irq_map.irq_mask); + hwdev->hw->map.dc_irq_map.irq_mask); /* now enable the DE block IRQs */ malidp_hw_enable_irq(hwdev, MALIDP_DE_BLOCK, - hwdev->map.de_irq_map.irq_mask); + hwdev->hw->map.de_irq_map.irq_mask); return 0; } @@ -847,9 +849,9 @@ void malidp_de_irq_fini(struct drm_device *drm) struct malidp_hw_device *hwdev = malidp->dev; malidp_hw_disable_irq(hwdev, MALIDP_DE_BLOCK, - hwdev->map.de_irq_map.irq_mask); + hwdev->hw->map.de_irq_map.irq_mask); malidp_hw_disable_irq(hwdev, MALIDP_DC_BLOCK, - hwdev->map.dc_irq_map.irq_mask); + hwdev->hw->map.dc_irq_map.irq_mask); } static irqreturn_t malidp_se_irq(int irq, void *arg) @@ -857,6 +859,8 @@ static irqreturn_t malidp_se_irq(int irq, void *arg) struct drm_device *drm = arg; struct malidp_drm *malidp = drm->dev_private; struct malidp_hw_device *hwdev = malidp->dev; + struct malidp_hw *hw = hwdev->hw; + const struct malidp_irq_map *se = &hw->map.se_irq_map; u32 status, mask; /* @@ -867,12 +871,12 @@ static irqreturn_t malidp_se_irq(int irq, void *arg) if (hwdev->pm_suspended) return IRQ_NONE; - status = malidp_hw_read(hwdev, hwdev->map.se_base + MALIDP_REG_STATUS); - if (!(status & hwdev->map.se_irq_map.irq_mask)) + status = malidp_hw_read(hwdev, hw->map.se_base + MALIDP_REG_STATUS); + if (!(status & se->irq_mask)) return IRQ_NONE; - mask = malidp_hw_read(hwdev, hwdev->map.se_base + MALIDP_REG_MASKIRQ); - status = malidp_hw_read(hwdev, hwdev->map.se_base + MALIDP_REG_STATUS); + mask = malidp_hw_read(hwdev, hw->map.se_base + MALIDP_REG_MASKIRQ); + status = malidp_hw_read(hwdev, hw->map.se_base + MALIDP_REG_STATUS); status &= mask; /* ToDo: status decoding and firing up of VSYNC and page flip events */ @@ -905,7 +909,7 @@ int malidp_se_irq_init(struct drm_device *drm, int irq) } malidp_hw_enable_irq(hwdev, MALIDP_SE_BLOCK, - hwdev->map.se_irq_map.irq_mask); + hwdev->hw->map.se_irq_map.irq_mask); return 0; } @@ -916,5 +920,5 @@ void malidp_se_irq_fini(struct drm_device *drm) struct malidp_hw_device *hwdev = malidp->dev; malidp_hw_disable_irq(hwdev, MALIDP_SE_BLOCK, - hwdev->map.se_irq_map.irq_mask); + hwdev->hw->map.se_irq_map.irq_mask); } diff --git a/drivers/gpu/drm/arm/malidp_hw.h b/drivers/gpu/drm/arm/malidp_hw.h index 849ad9a30c3a..b0690ebb3565 100644 --- a/drivers/gpu/drm/arm/malidp_hw.h +++ b/drivers/gpu/drm/arm/malidp_hw.h @@ -120,18 +120,14 @@ struct malidp_hw_regmap { /* Unlike DP550/650, DP500 has 3 stride registers in its video layer. */ #define MALIDP_DEVICE_LV_HAS_3_STRIDES BIT(0) -struct malidp_hw_device { - const struct malidp_hw_regmap map; - void __iomem *regs; +struct malidp_hw_device; - /* APB clock */ - struct clk *pclk; - /* AXI clock */ - struct clk *aclk; - /* main clock for display core */ - struct clk *mclk; - /* pixel clock for display core */ - struct clk *pxlclk; +/* + * Static structure containing hardware specific data and pointers to + * functions that behave differently between various versions of the IP. + */ +struct malidp_hw { + const struct malidp_hw_regmap map; /* * Validate the driver instance against the hardware bits @@ -182,15 +178,6 @@ struct malidp_hw_device { struct videomode *vm); u8 features; - - u8 min_line_size; - u16 max_line_size; - - /* track the device PM state */ - bool pm_suspended; - - /* size of memory used for rotating layers, up to two banks available */ - u32 rotation_memory[2]; }; /* Supported variants of the hardware */ @@ -202,7 +189,33 @@ enum { MALIDP_MAX_DEVICES }; -extern const struct malidp_hw_device malidp_device[MALIDP_MAX_DEVICES]; +extern const struct malidp_hw malidp_device[MALIDP_MAX_DEVICES]; + +/* + * Structure used by the driver during runtime operation. + */ +struct malidp_hw_device { + struct malidp_hw *hw; + void __iomem *regs; + + /* APB clock */ + struct clk *pclk; + /* AXI clock */ + struct clk *aclk; + /* main clock for display core */ + struct clk *mclk; + /* pixel clock for display core */ + struct clk *pxlclk; + + u8 min_line_size; + u16 max_line_size; + + /* track the device PM state */ + bool pm_suspended; + + /* size of memory used for rotating layers, up to two banks available */ + u32 rotation_memory[2]; +}; static inline u32 malidp_hw_read(struct malidp_hw_device *hwdev, u32 reg) { @@ -240,9 +253,9 @@ static inline u32 malidp_get_block_base(struct malidp_hw_device *hwdev, { switch (block) { case MALIDP_SE_BLOCK: - return hwdev->map.se_base; + return hwdev->hw->map.se_base; case MALIDP_DC_BLOCK: - return hwdev->map.dc_base; + return hwdev->hw->map.dc_base; } return 0; @@ -275,7 +288,7 @@ u8 malidp_hw_get_format_id(const struct malidp_hw_regmap *map, static inline bool malidp_hw_pitch_valid(struct malidp_hw_device *hwdev, unsigned int pitch) { - return !(pitch & (hwdev->map.bus_align_bytes - 1)); + return !(pitch & (hwdev->hw->map.bus_align_bytes - 1)); } /* U16.16 */ @@ -308,8 +321,8 @@ static inline void malidp_se_set_enh_coeffs(struct malidp_hw_device *hwdev) }; u32 val = MALIDP_SE_SET_ENH_LIMIT_LOW(MALIDP_SE_ENH_LOW_LEVEL) | MALIDP_SE_SET_ENH_LIMIT_HIGH(MALIDP_SE_ENH_HIGH_LEVEL); - u32 image_enh = hwdev->map.se_base + - ((hwdev->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ? + u32 image_enh = hwdev->hw->map.se_base + + ((hwdev->hw->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ? 0x10 : 0xC) + MALIDP_SE_IMAGE_ENH; u32 enh_coeffs = image_enh + MALIDP_SE_ENH_COEFF0; int i; diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c index 94e7e3fa3408..e7419797bbd1 100644 --- a/drivers/gpu/drm/arm/malidp_planes.c +++ b/drivers/gpu/drm/arm/malidp_planes.c @@ -57,7 +57,7 @@ static void malidp_de_plane_destroy(struct drm_plane *plane) struct malidp_plane *mp = to_malidp_plane(plane); if (mp->base.fb) - drm_framebuffer_unreference(mp->base.fb); + drm_framebuffer_put(mp->base.fb); drm_plane_helper_disable(plane); drm_plane_cleanup(plane); @@ -185,8 +185,9 @@ static int malidp_de_plane_check(struct drm_plane *plane, fb = state->fb; - ms->format = malidp_hw_get_format_id(&mp->hwdev->map, mp->layer->id, - fb->format->format); + ms->format = malidp_hw_get_format_id(&mp->hwdev->hw->map, + mp->layer->id, + fb->format->format); if (ms->format == MALIDP_INVALID_FORMAT_ID) return -EINVAL; @@ -211,7 +212,7 @@ static int malidp_de_plane_check(struct drm_plane *plane, * third plane stride register. */ if (ms->n_planes == 3 && - !(mp->hwdev->features & MALIDP_DEVICE_LV_HAS_3_STRIDES) && + !(mp->hwdev->hw->features & MALIDP_DEVICE_LV_HAS_3_STRIDES) && (state->fb->pitches[1] != state->fb->pitches[2])) return -EINVAL; @@ -229,9 +230,9 @@ static int malidp_de_plane_check(struct drm_plane *plane, if (state->rotation & MALIDP_ROTATED_MASK) { int val; - val = mp->hwdev->rotmem_required(mp->hwdev, state->crtc_h, - state->crtc_w, - fb->format->format); + val = mp->hwdev->hw->rotmem_required(mp->hwdev, state->crtc_h, + state->crtc_w, + fb->format->format); if (val < 0) return val; @@ -251,7 +252,7 @@ static void malidp_de_set_plane_pitches(struct malidp_plane *mp, return; if (num_planes == 3) - num_strides = (mp->hwdev->features & + num_strides = (mp->hwdev->hw->features & MALIDP_DEVICE_LV_HAS_3_STRIDES) ? 3 : 2; for (i = 0; i < num_strides; ++i) @@ -264,13 +265,11 @@ static void malidp_de_plane_update(struct drm_plane *plane, struct drm_plane_state *old_state) { struct malidp_plane *mp; - const struct malidp_hw_regmap *map; struct malidp_plane_state *ms = to_malidp_plane_state(plane->state); u32 src_w, src_h, dest_w, dest_h, val; int i; mp = to_malidp_plane(plane); - map = &mp->hwdev->map; /* convert src values from Q16 fixed point to integer */ src_w = plane->state->src_w >> 16; @@ -363,7 +362,7 @@ static const struct drm_plane_helper_funcs malidp_de_plane_helper_funcs = { int malidp_de_planes_init(struct drm_device *drm) { struct malidp_drm *malidp = drm->dev_private; - const struct malidp_hw_regmap *map = &malidp->dev->map; + const struct malidp_hw_regmap *map = &malidp->dev->hw->map; struct malidp_plane *plane = NULL; enum drm_plane_type plane_type; unsigned long crtcs = 1 << drm->mode_config.num_crtc; diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h index b4efcbabf7f7..d034b2cb5eee 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h @@ -372,9 +372,18 @@ struct adv7511 { }; #ifdef CONFIG_DRM_I2C_ADV7511_CEC -int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511, - unsigned int offset); +int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511); void adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1); +#else +static inline int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511) +{ + unsigned int offset = adv7511->type == ADV7533 ? + ADV7533_REG_CEC_OFFSET : 0; + + regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset, + ADV7511_CEC_CTRL_POWER_DOWN); + return 0; +} #endif #ifdef CONFIG_DRM_I2C_ADV7533 diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c index b33d730e4d73..a20a45c0b353 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c @@ -300,18 +300,21 @@ static int adv7511_cec_parse_dt(struct device *dev, struct adv7511 *adv7511) return 0; } -int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511, - unsigned int offset) +int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511) { + unsigned int offset = adv7511->type == ADV7533 ? + ADV7533_REG_CEC_OFFSET : 0; int ret = adv7511_cec_parse_dt(dev, adv7511); if (ret) - return ret; + goto err_cec_parse_dt; adv7511->cec_adap = cec_allocate_adapter(&adv7511_cec_adap_ops, adv7511, dev_name(dev), CEC_CAP_DEFAULTS, ADV7511_MAX_ADDRS); - if (IS_ERR(adv7511->cec_adap)) - return PTR_ERR(adv7511->cec_adap); + if (IS_ERR(adv7511->cec_adap)) { + ret = PTR_ERR(adv7511->cec_adap); + goto err_cec_alloc; + } regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset, 0); /* cec soft reset */ @@ -329,9 +332,18 @@ int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511, ((adv7511->cec_clk_freq / 750000) - 1) << 2); ret = cec_register_adapter(adv7511->cec_adap, dev); - if (ret) { - cec_delete_adapter(adv7511->cec_adap); - adv7511->cec_adap = NULL; - } - return ret; + if (ret) + goto err_cec_register; + return 0; + +err_cec_register: + cec_delete_adapter(adv7511->cec_adap); + adv7511->cec_adap = NULL; +err_cec_alloc: + dev_info(dev, "Initializing CEC failed with error %d, disabling CEC\n", + ret); +err_cec_parse_dt: + regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset, + ADV7511_CEC_CTRL_POWER_DOWN); + return ret == -EPROBE_DEFER ? ret : 0; } diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 0e14f1572d05..efa29db5fc2b 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -1084,7 +1084,6 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) struct device *dev = &i2c->dev; unsigned int main_i2c_addr = i2c->addr << 1; unsigned int edid_i2c_addr = main_i2c_addr + 4; - unsigned int offset; unsigned int val; int ret; @@ -1192,24 +1191,16 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) if (adv7511->type == ADV7511) adv7511_set_link_config(adv7511, &link_config); + ret = adv7511_cec_init(dev, adv7511); + if (ret) + goto err_unregister_cec; + adv7511->bridge.funcs = &adv7511_bridge_funcs; adv7511->bridge.of_node = dev->of_node; drm_bridge_add(&adv7511->bridge); adv7511_audio_init(dev, adv7511); - - offset = adv7511->type == ADV7533 ? ADV7533_REG_CEC_OFFSET : 0; - -#ifdef CONFIG_DRM_I2C_ADV7511_CEC - ret = adv7511_cec_init(dev, adv7511, offset); - if (ret) - goto err_unregister_cec; -#else - regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset, - ADV7511_CEC_CTRL_POWER_DOWN); -#endif - return 0; err_unregister_cec: diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c index 0903ba574f61..75b0d3f6e4de 100644 --- a/drivers/gpu/drm/bridge/lvds-encoder.c +++ b/drivers/gpu/drm/bridge/lvds-encoder.c @@ -13,13 +13,37 @@ #include <linux/of_graph.h> +struct lvds_encoder { + struct drm_bridge bridge; + struct drm_bridge *panel_bridge; +}; + +static int lvds_encoder_attach(struct drm_bridge *bridge) +{ + struct lvds_encoder *lvds_encoder = container_of(bridge, + struct lvds_encoder, + bridge); + + return drm_bridge_attach(bridge->encoder, lvds_encoder->panel_bridge, + bridge); +} + +static struct drm_bridge_funcs funcs = { + .attach = lvds_encoder_attach, +}; + static int lvds_encoder_probe(struct platform_device *pdev) { struct device_node *port; struct device_node *endpoint; struct device_node *panel_node; struct drm_panel *panel; - struct drm_bridge *bridge; + struct lvds_encoder *lvds_encoder; + + lvds_encoder = devm_kzalloc(&pdev->dev, sizeof(*lvds_encoder), + GFP_KERNEL); + if (!lvds_encoder) + return -ENOMEM; /* Locate the panel DT node. */ port = of_graph_get_port_by_id(pdev->dev.of_node, 1); @@ -49,20 +73,30 @@ static int lvds_encoder_probe(struct platform_device *pdev) return -EPROBE_DEFER; } - bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_LVDS); - if (IS_ERR(bridge)) - return PTR_ERR(bridge); + lvds_encoder->panel_bridge = + devm_drm_panel_bridge_add(&pdev->dev, + panel, DRM_MODE_CONNECTOR_LVDS); + if (IS_ERR(lvds_encoder->panel_bridge)) + return PTR_ERR(lvds_encoder->panel_bridge); + + /* The panel_bridge bridge is attached to the panel's of_node, + * but we need a bridge attached to our of_node for our user + * to look up. + */ + lvds_encoder->bridge.of_node = pdev->dev.of_node; + lvds_encoder->bridge.funcs = &funcs; + drm_bridge_add(&lvds_encoder->bridge); - platform_set_drvdata(pdev, bridge); + platform_set_drvdata(pdev, lvds_encoder); return 0; } static int lvds_encoder_remove(struct platform_device *pdev) { - struct drm_bridge *bridge = platform_get_drvdata(pdev); + struct lvds_encoder *lvds_encoder = platform_get_drvdata(pdev); - drm_bridge_remove(bridge); + drm_bridge_remove(&lvds_encoder->bridge); return 0; } diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index bf14214fa464..b72259bf6e2f 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -138,6 +138,7 @@ struct dw_hdmi { struct device *dev; struct clk *isfr_clk; struct clk *iahb_clk; + struct clk *cec_clk; struct dw_hdmi_i2c *i2c; struct hdmi_data_info hdmi_data; @@ -2382,6 +2383,26 @@ __dw_hdmi_probe(struct platform_device *pdev, goto err_isfr; } + hdmi->cec_clk = devm_clk_get(hdmi->dev, "cec"); + if (PTR_ERR(hdmi->cec_clk) == -ENOENT) { + hdmi->cec_clk = NULL; + } else if (IS_ERR(hdmi->cec_clk)) { + ret = PTR_ERR(hdmi->cec_clk); + if (ret != -EPROBE_DEFER) + dev_err(hdmi->dev, "Cannot get HDMI cec clock: %d\n", + ret); + + hdmi->cec_clk = NULL; + goto err_iahb; + } else { + ret = clk_prepare_enable(hdmi->cec_clk); + if (ret) { + dev_err(hdmi->dev, "Cannot enable HDMI cec clock: %d\n", + ret); + goto err_iahb; + } + } + /* Product and revision IDs */ hdmi->version = (hdmi_readb(hdmi, HDMI_DESIGN_ID) << 8) | (hdmi_readb(hdmi, HDMI_REVISION_ID) << 0); @@ -2518,6 +2539,8 @@ err_iahb: cec_notifier_put(hdmi->cec_notifier); clk_disable_unprepare(hdmi->iahb_clk); + if (hdmi->cec_clk) + clk_disable_unprepare(hdmi->cec_clk); err_isfr: clk_disable_unprepare(hdmi->isfr_clk); err_res: @@ -2541,6 +2564,8 @@ static void __dw_hdmi_remove(struct dw_hdmi *hdmi) clk_disable_unprepare(hdmi->iahb_clk); clk_disable_unprepare(hdmi->isfr_clk); + if (hdmi->cec_clk) + clk_disable_unprepare(hdmi->cec_clk); if (hdmi->i2c) i2c_del_adapter(&hdmi->i2c->adap); diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 8571cfd877c5..8636e7eeb731 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -97,7 +97,7 @@ #define DP0_ACTIVEVAL 0x0650 #define DP0_SYNCVAL 0x0654 #define DP0_MISC 0x0658 -#define TU_SIZE_RECOMMENDED (0x3f << 16) /* LSCLK cycles per TU */ +#define TU_SIZE_RECOMMENDED (63) /* LSCLK cycles per TU */ #define BPC_6 (0 << 5) #define BPC_8 (1 << 5) @@ -318,7 +318,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux, tmp = (tmp << 8) | buf[i]; i++; if (((i % 4) == 0) || (i == size)) { - tc_write(DP0_AUXWDATA(i >> 2), tmp); + tc_write(DP0_AUXWDATA((i - 1) >> 2), tmp); tmp = 0; } } @@ -603,8 +603,15 @@ static int tc_get_display_props(struct tc_data *tc) ret = drm_dp_link_probe(&tc->aux, &tc->link.base); if (ret < 0) goto err_dpcd_read; - if ((tc->link.base.rate != 162000) && (tc->link.base.rate != 270000)) - goto err_dpcd_inval; + if (tc->link.base.rate != 162000 && tc->link.base.rate != 270000) { + dev_dbg(tc->dev, "Falling to 2.7 Gbps rate\n"); + tc->link.base.rate = 270000; + } + + if (tc->link.base.num_lanes > 2) { + dev_dbg(tc->dev, "Falling to 2 lanes\n"); + tc->link.base.num_lanes = 2; + } ret = drm_dp_dpcd_readb(&tc->aux, DP_MAX_DOWNSPREAD, tmp); if (ret < 0) @@ -637,9 +644,6 @@ static int tc_get_display_props(struct tc_data *tc) err_dpcd_read: dev_err(tc->dev, "failed to read DPCD: %d\n", ret); return ret; -err_dpcd_inval: - dev_err(tc->dev, "invalid DPCD\n"); - return -EINVAL; } static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) @@ -655,6 +659,14 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) int lower_margin = mode->vsync_start - mode->vdisplay; int vsync_len = mode->vsync_end - mode->vsync_start; + /* + * Recommended maximum number of symbols transferred in a transfer unit: + * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size, + * (output active video bandwidth in bytes)) + * Must be less than tu_size. + */ + max_tu_symbol = TU_SIZE_RECOMMENDED - 1; + dev_dbg(tc->dev, "set mode %dx%d\n", mode->hdisplay, mode->vdisplay); dev_dbg(tc->dev, "H margin %d,%d sync %d\n", @@ -664,13 +676,18 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) dev_dbg(tc->dev, "total: %dx%d\n", mode->htotal, mode->vtotal); - /* LCD Ctl Frame Size */ - tc_write(VPCTRL0, (0x40 << 20) /* VSDELAY */ | + /* + * LCD Ctl Frame Size + * datasheet is not clear of vsdelay in case of DPI + * assume we do not need any delay when DPI is a source of + * sync signals + */ + tc_write(VPCTRL0, (0 << 20) /* VSDELAY */ | OPXLFMT_RGB888 | FRMSYNC_DISABLED | MSF_DISABLED); - tc_write(HTIM01, (left_margin << 16) | /* H back porch */ - (hsync_len << 0)); /* Hsync */ - tc_write(HTIM02, (right_margin << 16) | /* H front porch */ - (mode->hdisplay << 0)); /* width */ + tc_write(HTIM01, (ALIGN(left_margin, 2) << 16) | /* H back porch */ + (ALIGN(hsync_len, 2) << 0)); /* Hsync */ + tc_write(HTIM02, (ALIGN(right_margin, 2) << 16) | /* H front porch */ + (ALIGN(mode->hdisplay, 2) << 0)); /* width */ tc_write(VTIM01, (upper_margin << 16) | /* V back porch */ (vsync_len << 0)); /* Vsync */ tc_write(VTIM02, (lower_margin << 16) | /* V front porch */ @@ -689,7 +706,7 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) /* DP Main Stream Attributes */ vid_sync_dly = hsync_len + left_margin + mode->hdisplay; tc_write(DP0_VIDSYNCDELAY, - (0x003e << 16) | /* thresh_dly */ + (max_tu_symbol << 16) | /* thresh_dly */ (vid_sync_dly << 0)); tc_write(DP0_TOTALVAL, (mode->vtotal << 16) | (mode->htotal)); @@ -705,14 +722,8 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) tc_write(DPIPXLFMT, VS_POL_ACTIVE_LOW | HS_POL_ACTIVE_LOW | DE_POL_ACTIVE_HIGH | SUB_CFG_TYPE_CONFIG1 | DPI_BPP_RGB888); - /* - * Recommended maximum number of symbols transferred in a transfer unit: - * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size, - * (output active video bandwidth in bytes)) - * Must be less than tu_size. - */ - max_tu_symbol = TU_SIZE_RECOMMENDED - 1; - tc_write(DP0_MISC, (max_tu_symbol << 23) | TU_SIZE_RECOMMENDED | BPC_8); + tc_write(DP0_MISC, (max_tu_symbol << 23) | (TU_SIZE_RECOMMENDED << 16) | + BPC_8); return 0; err: @@ -808,8 +819,6 @@ static int tc_main_link_setup(struct tc_data *tc) unsigned int rate; u32 dp_phy_ctrl; int timeout; - bool aligned; - bool ready; u32 value; int ret; u8 tmp[8]; @@ -954,16 +963,15 @@ static int tc_main_link_setup(struct tc_data *tc) ret = drm_dp_dpcd_read_link_status(aux, tmp + 2); if (ret < 0) goto err_dpcd_read; - ready = (tmp[2] == ((DP_CHANNEL_EQ_BITS << 4) | /* Lane1 */ - DP_CHANNEL_EQ_BITS)); /* Lane0 */ - aligned = tmp[4] & DP_INTERLANE_ALIGN_DONE; - } while ((--timeout) && !(ready && aligned)); + } while ((--timeout) && + !(drm_dp_channel_eq_ok(tmp + 2, tc->link.base.num_lanes))); if (timeout == 0) { /* Read DPCD 0x200-0x201 */ ret = drm_dp_dpcd_read(aux, DP_SINK_COUNT, tmp, 2); if (ret < 0) goto err_dpcd_read; + dev_err(dev, "channel(s) EQ not ok\n"); dev_info(dev, "0x0200 SINK_COUNT: 0x%02x\n", tmp[0]); dev_info(dev, "0x0201 DEVICE_SERVICE_IRQ_VECTOR: 0x%02x\n", tmp[1]); @@ -974,10 +982,6 @@ static int tc_main_link_setup(struct tc_data *tc) dev_info(dev, "0x0206 ADJUST_REQUEST_LANE0_1: 0x%02x\n", tmp[6]); - if (!ready) - dev_err(dev, "Lane0/1 not ready\n"); - if (!aligned) - dev_err(dev, "Lane0/1 not aligned\n"); return -EAGAIN; } @@ -1099,7 +1103,10 @@ static bool tc_bridge_mode_fixup(struct drm_bridge *bridge, static int tc_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - /* Accept any mode */ + /* DPI interface clock limitation: upto 154 MHz */ + if (mode->clock > 154000) + return MODE_CLOCK_HIGH; + return MODE_OK; } diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 71d712f1b56a..b16f1d69a0bb 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1225,7 +1225,7 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, return; for_each_oldnew_crtc_in_state(old_state, crtc, old_crtc_state, new_crtc_state, i) { - if (!new_crtc_state->active || !new_crtc_state->planes_changed) + if (!new_crtc_state->active) continue; ret = drm_crtc_vblank_get(crtc); diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 2e8fb51282ef..5dfe14763871 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -4831,7 +4831,8 @@ void drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, const struct drm_display_mode *mode, enum hdmi_quantization_range rgb_quant_range, - bool rgb_quant_range_selectable) + bool rgb_quant_range_selectable, + bool is_hdmi2_sink) { /* * CEA-861: @@ -4855,8 +4856,15 @@ drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, * YQ-field to match the RGB Quantization Range being transmitted * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB, * set YQ=1) and the Sink shall ignore the YQ-field." + * + * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused + * by non-zero YQ when receiving RGB. There doesn't seem to be any + * good way to tell which version of CEA-861 the sink supports, so + * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based + * on on CEA-861-F. */ - if (rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED) + if (!is_hdmi2_sink || + rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED) frame->ycc_quantization_range = HDMI_YCC_QUANTIZATION_RANGE_LIMITED; else diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 07374008f146..e56166334455 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1809,6 +1809,10 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, if (crtc_count == 0 || sizes.fb_width == -1 || sizes.fb_height == -1) { DRM_INFO("Cannot find any crtc or sizes\n"); + + /* First time: disable all crtc's.. */ + if (!fb_helper->deferred_setup && !READ_ONCE(fb_helper->dev->master)) + restore_fbdev_mode(fb_helper); return -EAGAIN; } diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index b3c6e997ccdb..9a17bd3639d1 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -559,10 +559,10 @@ EXPORT_SYMBOL(drm_read); * * Mask of POLL flags indicating the current status of the file. */ -unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait) +__poll_t drm_poll(struct file *filp, struct poll_table_struct *wait) { struct drm_file *file_priv = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(filp, &file_priv->event_wait, wait); diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index 19404e34cd59..37a93cdffb4a 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -1030,6 +1030,7 @@ retry: e->event.base.type = DRM_EVENT_FLIP_COMPLETE; e->event.base.length = sizeof(e->event); e->event.vbl.user_data = page_flip->user_data; + e->event.vbl.crtc_id = crtc->base.id; ret = drm_event_reserve_init(dev, file_priv, &e->base, &e->event.base); if (ret) { kfree(e); diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 701a3c6f1669..85d4c57870fb 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -1628,7 +1628,7 @@ static int perform_bb_shadow(struct parser_exec_state *s) struct intel_shadow_bb_entry *entry_obj; struct intel_vgpu *vgpu = s->vgpu; unsigned long gma = 0; - uint32_t bb_size; + int bb_size; void *dst = NULL; int ret = 0; diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c index 3c318439a659..355120865efd 100644 --- a/drivers/gpu/drm/i915/gvt/display.c +++ b/drivers/gpu/drm/i915/gvt/display.c @@ -282,6 +282,7 @@ static void clean_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num) static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num, int type, unsigned int resolution) { + struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; struct intel_vgpu_port *port = intel_vgpu_port(vgpu, port_num); if (WARN_ON(resolution >= GVT_EDID_NUM)) @@ -307,6 +308,7 @@ static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num, port->type = type; emulate_monitor_status_change(vgpu); + vgpu_vreg(vgpu, PIPECONF(PIPE_A)) |= PIPECONF_ENABLE; return 0; } diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c index 4427be18e4a9..940cdaaa3f24 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.c +++ b/drivers/gpu/drm/i915/gvt/execlist.c @@ -496,6 +496,12 @@ static int prepare_execlist_workload(struct intel_vgpu_workload *workload) goto err_unpin_mm; } + ret = intel_gvt_generate_request(workload); + if (ret) { + gvt_vgpu_err("fail to generate request\n"); + goto err_unpin_mm; + } + ret = prepare_shadow_batch_buffer(workload); if (ret) { gvt_vgpu_err("fail to prepare_shadow_batch_buffer\n"); diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 2801d70579d8..8e331142badb 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -311,9 +311,9 @@ static inline int gtt_set_entry64(void *pt, #define GTT_HAW 46 -#define ADDR_1G_MASK (((1UL << (GTT_HAW - 30 + 1)) - 1) << 30) -#define ADDR_2M_MASK (((1UL << (GTT_HAW - 21 + 1)) - 1) << 21) -#define ADDR_4K_MASK (((1UL << (GTT_HAW - 12 + 1)) - 1) << 12) +#define ADDR_1G_MASK (((1UL << (GTT_HAW - 30)) - 1) << 30) +#define ADDR_2M_MASK (((1UL << (GTT_HAW - 21)) - 1) << 21) +#define ADDR_4K_MASK (((1UL << (GTT_HAW - 12)) - 1) << 12) static unsigned long gen8_gtt_get_pfn(struct intel_gvt_gtt_entry *e) { diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index a5bed2e71b92..44cd5ff5e97d 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1381,40 +1381,6 @@ static int skl_power_well_ctl_write(struct intel_vgpu *vgpu, return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes); } -static int skl_misc_ctl_write(struct intel_vgpu *vgpu, unsigned int offset, - void *p_data, unsigned int bytes) -{ - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - u32 v = *(u32 *)p_data; - - if (!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv)) - return intel_vgpu_default_mmio_write(vgpu, - offset, p_data, bytes); - - switch (offset) { - case 0x4ddc: - /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */ - vgpu_vreg(vgpu, offset) = v & ~(1 << 31); - break; - case 0x42080: - /* bypass WaCompressedResourceDisplayNewHashMode */ - vgpu_vreg(vgpu, offset) = v & ~(1 << 15); - break; - case 0xe194: - /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */ - vgpu_vreg(vgpu, offset) = v & ~(1 << 8); - break; - case 0x7014: - /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */ - vgpu_vreg(vgpu, offset) = v & ~(1 << 13); - break; - default: - return -EINVAL; - } - - return 0; -} - static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { @@ -1671,8 +1637,8 @@ static int init_generic_mmio_info(struct intel_gvt *gvt) MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); - MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, - skl_misc_ctl_write); + MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, + NULL, NULL); MMIO_DFH(0x9030, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0x20a0, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0x2420, D_ALL, F_CMD_ACCESS, NULL, NULL); @@ -2564,8 +2530,7 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt) MMIO_D(0x6e570, D_BDW_PLUS); MMIO_D(0x65f10, D_BDW_PLUS); - MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, - skl_misc_ctl_write); + MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0xe188, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); @@ -2615,8 +2580,8 @@ static int init_skl_mmio_info(struct intel_gvt *gvt) MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS); MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS); MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); - MMIO_DH(0x4ddc, D_SKL_PLUS, NULL, skl_misc_ctl_write); - MMIO_DH(0x42080, D_SKL_PLUS, NULL, skl_misc_ctl_write); + MMIO_DH(0x4ddc, D_SKL_PLUS, NULL, NULL); + MMIO_DH(0x42080, D_SKL_PLUS, NULL, NULL); MMIO_D(0x45504, D_SKL_PLUS); MMIO_D(0x45520, D_SKL_PLUS); MMIO_D(0x46000, D_SKL_PLUS); diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index f6ded475bb2c..3ac1dc97a7a0 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -140,9 +140,10 @@ static int shadow_context_status_change(struct notifier_block *nb, struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; enum intel_engine_id ring_id = req->engine->id; struct intel_vgpu_workload *workload; + unsigned long flags; if (!is_gvt_request(req)) { - spin_lock_bh(&scheduler->mmio_context_lock); + spin_lock_irqsave(&scheduler->mmio_context_lock, flags); if (action == INTEL_CONTEXT_SCHEDULE_IN && scheduler->engine_owner[ring_id]) { /* Switch ring from vGPU to host. */ @@ -150,7 +151,7 @@ static int shadow_context_status_change(struct notifier_block *nb, NULL, ring_id); scheduler->engine_owner[ring_id] = NULL; } - spin_unlock_bh(&scheduler->mmio_context_lock); + spin_unlock_irqrestore(&scheduler->mmio_context_lock, flags); return NOTIFY_OK; } @@ -161,7 +162,7 @@ static int shadow_context_status_change(struct notifier_block *nb, switch (action) { case INTEL_CONTEXT_SCHEDULE_IN: - spin_lock_bh(&scheduler->mmio_context_lock); + spin_lock_irqsave(&scheduler->mmio_context_lock, flags); if (workload->vgpu != scheduler->engine_owner[ring_id]) { /* Switch ring from host to vGPU or vGPU to vGPU. */ intel_gvt_switch_mmio(scheduler->engine_owner[ring_id], @@ -170,7 +171,7 @@ static int shadow_context_status_change(struct notifier_block *nb, } else gvt_dbg_sched("skip ring %d mmio switch for vgpu%d\n", ring_id, workload->vgpu->id); - spin_unlock_bh(&scheduler->mmio_context_lock); + spin_unlock_irqrestore(&scheduler->mmio_context_lock, flags); atomic_set(&workload->shadow_ctx_active, 1); break; case INTEL_CONTEXT_SCHEDULE_OUT: @@ -253,7 +254,6 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload) struct i915_gem_context *shadow_ctx = workload->vgpu->shadow_ctx; struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv; struct intel_engine_cs *engine = dev_priv->engine[ring_id]; - struct drm_i915_gem_request *rq; struct intel_vgpu *vgpu = workload->vgpu; struct intel_ring *ring; int ret; @@ -299,6 +299,26 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload) ret = populate_shadow_context(workload); if (ret) goto err_unpin; + workload->shadowed = true; + return 0; + +err_unpin: + engine->context_unpin(engine, shadow_ctx); +err_shadow: + release_shadow_wa_ctx(&workload->wa_ctx); +err_scan: + return ret; +} + +int intel_gvt_generate_request(struct intel_vgpu_workload *workload) +{ + int ring_id = workload->ring_id; + struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv; + struct intel_engine_cs *engine = dev_priv->engine[ring_id]; + struct drm_i915_gem_request *rq; + struct intel_vgpu *vgpu = workload->vgpu; + struct i915_gem_context *shadow_ctx = vgpu->shadow_ctx; + int ret; rq = i915_gem_request_alloc(dev_priv->engine[ring_id], shadow_ctx); if (IS_ERR(rq)) { @@ -313,14 +333,11 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload) ret = copy_workload_to_ring_buffer(workload); if (ret) goto err_unpin; - workload->shadowed = true; return 0; err_unpin: engine->context_unpin(engine, shadow_ctx); -err_shadow: release_shadow_wa_ctx(&workload->wa_ctx); -err_scan: return ret; } diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h index 2d694f6c0907..b9f872204d7e 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.h +++ b/drivers/gpu/drm/i915/gvt/scheduler.h @@ -142,4 +142,7 @@ int intel_vgpu_init_gvt_context(struct intel_vgpu *vgpu); void intel_vgpu_clean_gvt_context(struct intel_vgpu *vgpu); void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx); + +int intel_gvt_generate_request(struct intel_vgpu_workload *workload); + #endif diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 960d3d8b95b8..2cf10d17acfb 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1714,6 +1714,7 @@ static int i915_drm_resume(struct drm_device *dev) intel_guc_resume(dev_priv); intel_modeset_init_hw(dev); + intel_init_clock_gating(dev_priv); spin_lock_irq(&dev_priv->irq_lock); if (dev_priv->display.hpd_irq_setup) @@ -2618,6 +2619,8 @@ static int intel_runtime_resume(struct device *kdev) ret = vlv_resume_prepare(dev_priv, true); } + intel_uncore_runtime_resume(dev_priv); + /* * No point of rolling back things in case of an error, as the best * we can do is to hope that things will still work (and disable RPM). diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index 135fc750a837..382a77a1097e 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -172,7 +172,9 @@ i915_mmu_notifier_create(struct mm_struct *mm) spin_lock_init(&mn->lock); mn->mn.ops = &i915_gem_userptr_notifier; mn->objects = RB_ROOT_CACHED; - mn->wq = alloc_workqueue("i915-userptr-release", WQ_UNBOUND, 0); + mn->wq = alloc_workqueue("i915-userptr-release", + WQ_UNBOUND | WQ_MEM_RECLAIM, + 0); if (mn->wq == NULL) { kfree(mn); return ERR_PTR(-ENOMEM); @@ -827,7 +829,7 @@ int i915_gem_init_userptr(struct drm_i915_private *dev_priv) dev_priv->mm.userptr_wq = alloc_workqueue("i915-userptr-acquire", - WQ_HIGHPRI | WQ_MEM_RECLAIM, + WQ_HIGHPRI | WQ_UNBOUND, 0); if (!dev_priv->mm.userptr_wq) return -ENOMEM; diff --git a/drivers/gpu/drm/i915/i915_gemfs.c b/drivers/gpu/drm/i915/i915_gemfs.c index e2993857df37..888b7d3f04c3 100644 --- a/drivers/gpu/drm/i915/i915_gemfs.c +++ b/drivers/gpu/drm/i915/i915_gemfs.c @@ -52,7 +52,8 @@ int i915_gemfs_init(struct drm_i915_private *i915) if (has_transparent_hugepage()) { struct super_block *sb = gemfs->mnt_sb; - char options[] = "huge=within_size"; + /* FIXME: Disabled until we get W/A for read BW issue. */ + char options[] = "huge=never"; int flags = 0; int err; diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 59ee808f8fd9..d453756ca128 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -2331,12 +2331,12 @@ static enum hrtimer_restart oa_poll_check_timer_cb(struct hrtimer *hrtimer) * * Returns: any poll events that are ready without sleeping */ -static unsigned int i915_perf_poll_locked(struct drm_i915_private *dev_priv, +static __poll_t i915_perf_poll_locked(struct drm_i915_private *dev_priv, struct i915_perf_stream *stream, struct file *file, poll_table *wait) { - unsigned int events = 0; + __poll_t events = 0; stream->ops->poll_wait(stream, file, wait); @@ -2365,11 +2365,11 @@ static unsigned int i915_perf_poll_locked(struct drm_i915_private *dev_priv, * * Returns: any poll events that are ready without sleeping */ -static unsigned int i915_perf_poll(struct file *file, poll_table *wait) +static __poll_t i915_perf_poll(struct file *file, poll_table *wait) { struct i915_perf_stream *stream = file->private_data; struct drm_i915_private *dev_priv = stream->dev_priv; - int ret; + __poll_t ret; mutex_lock(&dev_priv->perf.lock); ret = i915_perf_poll_locked(dev_priv, stream, file, wait); diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c index 48e1ba01ccf8..5f8b9f1f40f1 100644 --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c @@ -517,6 +517,7 @@ static void __intel_engine_remove_wait(struct intel_engine_cs *engine, GEM_BUG_ON(RB_EMPTY_NODE(&wait->node)); rb_erase(&wait->node, &b->waiters); + RB_CLEAR_NODE(&wait->node); out: GEM_BUG_ON(b->irq_wait == wait); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 7bc60c848940..6c7f8bca574e 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1736,7 +1736,7 @@ extern struct drm_display_mode *intel_find_panel_downclock( int intel_backlight_device_register(struct intel_connector *connector); void intel_backlight_device_unregister(struct intel_connector *connector); #else /* CONFIG_BACKLIGHT_CLASS_DEVICE */ -static int intel_backlight_device_register(struct intel_connector *connector) +static inline int intel_backlight_device_register(struct intel_connector *connector) { return 0; } diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index b8af35187d22..ea96682568e8 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -697,10 +697,8 @@ static void intel_fbdev_initial_config(void *data, async_cookie_t cookie) /* Due to peculiar init order wrt to hpd handling this is separate. */ if (drm_fb_helper_initial_config(&ifbdev->helper, - ifbdev->preferred_bpp)) { + ifbdev->preferred_bpp)) intel_fbdev_unregister(to_i915(ifbdev->helper.dev)); - intel_fbdev_fini(to_i915(ifbdev->helper.dev)); - } } void intel_fbdev_initial_config_async(struct drm_device *dev) @@ -800,7 +798,11 @@ void intel_fbdev_output_poll_changed(struct drm_device *dev) { struct intel_fbdev *ifbdev = to_i915(dev)->fbdev; - if (ifbdev) + if (!ifbdev) + return; + + intel_fbdev_sync(ifbdev); + if (ifbdev->vma) drm_fb_helper_hotplug_event(&ifbdev->helper); } diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 5132dc814788..4dea833f9d1b 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -487,7 +487,8 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder, crtc_state->limited_color_range ? HDMI_QUANTIZATION_RANGE_LIMITED : HDMI_QUANTIZATION_RANGE_FULL, - intel_hdmi->rgb_quant_range_selectable); + intel_hdmi->rgb_quant_range_selectable, + is_hdmi2_sink); /* TODO: handle pixel repetition for YCBCR420 outputs */ intel_write_infoframe(encoder, crtc_state, &frame); diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index eb5827110d8f..49fdf09f9919 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -438,7 +438,9 @@ static bool gmbus_is_index_read(struct i2c_msg *msgs, int i, int num) { return (i + 1 < num && - !(msgs[i].flags & I2C_M_RD) && msgs[i].len <= 2 && + msgs[i].addr == msgs[i + 1].addr && + !(msgs[i].flags & I2C_M_RD) && + (msgs[i].len == 1 || msgs[i].len == 2) && (msgs[i + 1].flags & I2C_M_RD)); } diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 20e3c65c0999..8c2ce81f01c2 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -434,6 +434,12 @@ void intel_uncore_resume_early(struct drm_i915_private *dev_priv) i915_check_and_clear_faults(dev_priv); } +void intel_uncore_runtime_resume(struct drm_i915_private *dev_priv) +{ + iosf_mbi_register_pmic_bus_access_notifier( + &dev_priv->uncore.pmic_bus_access_nb); +} + void intel_uncore_sanitize(struct drm_i915_private *dev_priv) { i915_modparams.enable_rc6 = @@ -1240,8 +1246,15 @@ static int i915_pmic_bus_access_notifier(struct notifier_block *nb, * bus, which will be busy after this notification, leading to: * "render: timed out waiting for forcewake ack request." * errors. + * + * The notifier is unregistered during intel_runtime_suspend(), + * so it's ok to access the HW here without holding a RPM + * wake reference -> disable wakeref asserts for the time of + * the access. */ + disable_rpm_wakeref_asserts(dev_priv); intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); + enable_rpm_wakeref_asserts(dev_priv); break; case MBI_PMIC_BUS_ACCESS_END: intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h index 582771251b57..9ce079b5dd0d 100644 --- a/drivers/gpu/drm/i915/intel_uncore.h +++ b/drivers/gpu/drm/i915/intel_uncore.h @@ -134,6 +134,7 @@ bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv void intel_uncore_fini(struct drm_i915_private *dev_priv); void intel_uncore_suspend(struct drm_i915_private *dev_priv); void intel_uncore_resume_early(struct drm_i915_private *dev_priv); +void intel_uncore_runtime_resume(struct drm_i915_private *dev_priv); u64 intel_uncore_edram_size(struct drm_i915_private *dev_priv); void assert_forcewakes_inactive(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 93c7e3f9b4a8..17d2f3a1c562 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -133,9 +133,16 @@ static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state) plane_disabling = true; } - if (plane_disabling) { - drm_atomic_helper_wait_for_vblanks(dev, state); + /* + * The flip done wait is only strictly required by imx-drm if a deferred + * plane disable is in-flight. As the core requires blocking commits + * to wait for the flip it is done here unconditionally. This keeps the + * workitem around a bit longer than required for the majority of + * non-blocking commits, but we accept that for the sake of simplicity. + */ + drm_atomic_helper_wait_for_flip_done(dev, state); + if (plane_disabling) { for_each_old_plane_in_state(state, plane, old_plane_state, i) ipu_plane_disable_deferred(plane); diff --git a/drivers/gpu/drm/omapdrm/displays/Kconfig b/drivers/gpu/drm/omapdrm/displays/Kconfig index c226da145fb3..a349cb61961e 100644 --- a/drivers/gpu/drm/omapdrm/displays/Kconfig +++ b/drivers/gpu/drm/omapdrm/displays/Kconfig @@ -35,6 +35,7 @@ config DRM_OMAP_CONNECTOR_ANALOG_TV config DRM_OMAP_PANEL_DPI tristate "Generic DPI panel" + depends on BACKLIGHT_CLASS_DEVICE help Driver for generic DPI panels. diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c index daf286fc8a40..ca1e3b489540 100644 --- a/drivers/gpu/drm/omapdrm/dss/dpi.c +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c @@ -566,8 +566,8 @@ static int dpi_verify_pll(struct dss_pll *pll) } static const struct soc_device_attribute dpi_soc_devices[] = { - { .family = "OMAP3[456]*" }, - { .family = "[AD]M37*" }, + { .machine = "OMAP3[456]*" }, + { .machine = "[AD]M37*" }, { /* sentinel */ } }; diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c index d86873f2abe6..e626eddf24d5 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c @@ -352,7 +352,7 @@ int hdmi4_cec_init(struct platform_device *pdev, struct hdmi_core_data *core, { const u32 caps = CEC_CAP_TRANSMIT | CEC_CAP_LOG_ADDRS | CEC_CAP_PASSTHROUGH | CEC_CAP_RC; - unsigned int ret; + int ret; core->adap = cec_allocate_adapter(&hdmi_cec_adap_ops, core, "omap4", caps, CEC_MAX_LOG_ADDRS); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c index 62e451162d96..b06f9956e733 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c @@ -886,25 +886,36 @@ struct hdmi4_features { bool audio_use_mclk; }; -static const struct hdmi4_features hdmi4_es1_features = { +static const struct hdmi4_features hdmi4430_es1_features = { .cts_swmode = false, .audio_use_mclk = false, }; -static const struct hdmi4_features hdmi4_es2_features = { +static const struct hdmi4_features hdmi4430_es2_features = { .cts_swmode = true, .audio_use_mclk = false, }; -static const struct hdmi4_features hdmi4_es3_features = { +static const struct hdmi4_features hdmi4_features = { .cts_swmode = true, .audio_use_mclk = true, }; static const struct soc_device_attribute hdmi4_soc_devices[] = { - { .family = "OMAP4", .revision = "ES1.?", .data = &hdmi4_es1_features }, - { .family = "OMAP4", .revision = "ES2.?", .data = &hdmi4_es2_features }, - { .family = "OMAP4", .data = &hdmi4_es3_features }, + { + .machine = "OMAP4430", + .revision = "ES1.?", + .data = &hdmi4430_es1_features, + }, + { + .machine = "OMAP4430", + .revision = "ES2.?", + .data = &hdmi4430_es2_features, + }, + { + .family = "OMAP4", + .data = &hdmi4_features, + }, { /* sentinel */ } }; diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c index 1dd3dafc59af..c60a85e82c6d 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c @@ -638,7 +638,8 @@ static int omap_dmm_probe(struct platform_device *dev) match = of_match_node(dmm_of_match, dev->dev.of_node); if (!match) { dev_err(&dev->dev, "failed to find matching device node\n"); - return -ENODEV; + ret = -ENODEV; + goto fail; } omap_dmm->plat_data = match->data; diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c index 8fdc56c1c953..b9bfa806d346 100644 --- a/drivers/gpu/drm/r128/r128_state.c +++ b/drivers/gpu/drm/r128/r128_state.c @@ -982,25 +982,14 @@ static int r128_cce_dispatch_write_pixels(struct drm_device *dev, xbuf_size = count * sizeof(*x); ybuf_size = count * sizeof(*y); - x = kmalloc(xbuf_size, GFP_KERNEL); - if (x == NULL) - return -ENOMEM; - y = kmalloc(ybuf_size, GFP_KERNEL); - if (y == NULL) { - kfree(x); - return -ENOMEM; - } - if (copy_from_user(x, depth->x, xbuf_size)) { - kfree(x); - kfree(y); - return -EFAULT; - } - if (copy_from_user(y, depth->y, xbuf_size)) { + x = memdup_user(depth->x, xbuf_size); + if (IS_ERR(x)) + return PTR_ERR(x); + y = memdup_user(depth->y, ybuf_size); + if (IS_ERR(y)) { kfree(x); - kfree(y); - return -EFAULT; + return PTR_ERR(y); } - buffer_size = depth->n * sizeof(u32); buffer = memdup_user(depth->buffer, buffer_size); if (IS_ERR(buffer)) { diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 898f9a078830..a6511918f632 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -5451,28 +5451,6 @@ void cik_pcie_gart_tlb_flush(struct radeon_device *rdev) WREG32(VM_INVALIDATE_REQUEST, 0x1); } -static void cik_pcie_init_compute_vmid(struct radeon_device *rdev) -{ - int i; - uint32_t sh_mem_bases, sh_mem_config; - - sh_mem_bases = 0x6000 | 0x6000 << 16; - sh_mem_config = ALIGNMENT_MODE(SH_MEM_ALIGNMENT_MODE_UNALIGNED); - sh_mem_config |= DEFAULT_MTYPE(MTYPE_NONCACHED); - - mutex_lock(&rdev->srbm_mutex); - for (i = 8; i < 16; i++) { - cik_srbm_select(rdev, 0, 0, 0, i); - /* CP and shaders */ - WREG32(SH_MEM_CONFIG, sh_mem_config); - WREG32(SH_MEM_APE1_BASE, 1); - WREG32(SH_MEM_APE1_LIMIT, 0); - WREG32(SH_MEM_BASES, sh_mem_bases); - } - cik_srbm_select(rdev, 0, 0, 0, 0); - mutex_unlock(&rdev->srbm_mutex); -} - /** * cik_pcie_gart_enable - gart enable * @@ -5586,8 +5564,6 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev) cik_srbm_select(rdev, 0, 0, 0, 0); mutex_unlock(&rdev->srbm_mutex); - cik_pcie_init_compute_vmid(rdev); - cik_pcie_gart_tlb_flush(rdev); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", (unsigned)(rdev->mc.gtt_size >> 20), diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index b15755b6129c..b1fe0639227e 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -1285,8 +1285,6 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, goto err_pllref; } - pm_runtime_enable(dev); - dsi->dsi_host.ops = &dw_mipi_dsi_host_ops; dsi->dsi_host.dev = dev; ret = mipi_dsi_host_register(&dsi->dsi_host); @@ -1301,6 +1299,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, } dev_set_drvdata(dev, dsi); + pm_runtime_enable(dev); return 0; err_mipi_dsi_host: diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index 316f831ad5f0..8d7172e8381d 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -744,12 +744,14 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags, } #ifdef CONFIG_TRANSPARENT_HUGEPAGE - for (j = 0; j < HPAGE_PMD_NR; ++j) - if (p++ != pages[i + j]) - break; + if (!(flags & TTM_PAGE_FLAG_DMA32)) { + for (j = 0; j < HPAGE_PMD_NR; ++j) + if (p++ != pages[i + j]) + break; - if (j == HPAGE_PMD_NR) - order = HPAGE_PMD_ORDER; + if (j == HPAGE_PMD_NR) + order = HPAGE_PMD_ORDER; + } #endif if (page_count(pages[i]) != 1) @@ -865,20 +867,22 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, i = 0; #ifdef CONFIG_TRANSPARENT_HUGEPAGE - while (npages >= HPAGE_PMD_NR) { - gfp_t huge_flags = gfp_flags; + if (!(gfp_flags & GFP_DMA32)) { + while (npages >= HPAGE_PMD_NR) { + gfp_t huge_flags = gfp_flags; - huge_flags |= GFP_TRANSHUGE; - huge_flags &= ~__GFP_MOVABLE; - huge_flags &= ~__GFP_COMP; - p = alloc_pages(huge_flags, HPAGE_PMD_ORDER); - if (!p) - break; + huge_flags |= GFP_TRANSHUGE; + huge_flags &= ~__GFP_MOVABLE; + huge_flags &= ~__GFP_COMP; + p = alloc_pages(huge_flags, HPAGE_PMD_ORDER); + if (!p) + break; - for (j = 0; j < HPAGE_PMD_NR; ++j) - pages[i++] = p++; + for (j = 0; j < HPAGE_PMD_NR; ++j) + pages[i++] = p++; - npages -= HPAGE_PMD_NR; + npages -= HPAGE_PMD_NR; + } } #endif @@ -1058,7 +1062,6 @@ void ttm_pool_unpopulate(struct ttm_tt *ttm) } EXPORT_SYMBOL(ttm_pool_unpopulate); -#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU) int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt) { unsigned i, j; @@ -1129,7 +1132,6 @@ void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt) ttm_pool_unpopulate(&tt->ttm); } EXPORT_SYMBOL(ttm_unmap_and_unpopulate_pages); -#endif int ttm_page_alloc_debugfs(struct seq_file *m, void *data) { diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index fa37a1c07cf6..0b2088264039 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -424,7 +424,8 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder) vc4_encoder->limited_rgb_range ? HDMI_QUANTIZATION_RANGE_LIMITED : HDMI_QUANTIZATION_RANGE_FULL, - vc4_encoder->rgb_range_selectable); + vc4_encoder->rgb_range_selectable, + false); vc4_hdmi_write_infoframe(encoder, &frame); } diff --git a/drivers/gpu/drm/vc4/vc4_irq.c b/drivers/gpu/drm/vc4/vc4_irq.c index 7d7af3a93d94..61b2e5377993 100644 --- a/drivers/gpu/drm/vc4/vc4_irq.c +++ b/drivers/gpu/drm/vc4/vc4_irq.c @@ -208,6 +208,9 @@ vc4_irq_postinstall(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); + /* Undo the effects of a previous vc4_irq_uninstall. */ + enable_irq(dev->irq); + /* Enable both the render done and out of memory interrupts. */ V3D_WRITE(V3D_INTENA, V3D_DRIVER_IRQS); @@ -225,6 +228,9 @@ vc4_irq_uninstall(struct drm_device *dev) /* Clear any pending interrupts we might have left. */ V3D_WRITE(V3D_INTCTL, V3D_DRIVER_IRQS); + /* Finish any interrupt handler still in flight. */ + disable_irq(dev->irq); + cancel_work_sync(&vc4->overflow_mem_work); } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 7e5f30e234b1..d08753e8fd94 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -713,7 +713,7 @@ extern int vmw_present_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern unsigned int vmw_fops_poll(struct file *filp, +extern __poll_t vmw_fops_poll(struct file *filp, struct poll_table_struct *wait); extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, size_t count, loff_t *offset); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c index 01be355525e4..67f844678ac8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -412,7 +412,7 @@ out_clips: * Wrapper around the drm_poll function that makes sure the device is * processing the fifo if drm_poll decides to wait. */ -unsigned int vmw_fops_poll(struct file *filp, struct poll_table_struct *wait) +__poll_t vmw_fops_poll(struct file *filp, struct poll_table_struct *wait) { struct drm_file *file_priv = filp->private_data; struct vmw_private *dev_priv = diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index d35d6d271f3f..dfd8d0048980 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -1266,7 +1266,7 @@ done: return ret_val; } -static unsigned int vga_arb_fpoll(struct file *file, poll_table *wait) +static __poll_t vga_arb_fpoll(struct file *file, poll_table *wait) { pr_debug("%s\n", __func__); diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index 5271db593478..c783fd5ef809 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -1179,7 +1179,7 @@ out: return ret; } -static unsigned int hid_debug_events_poll(struct file *file, poll_table *wait) +static __poll_t hid_debug_events_poll(struct file *file, poll_table *wait) { struct hid_debug_list *list = file->private_data; diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c index fb77dec720a4..b7e86aba6f33 100644 --- a/drivers/hid/hid-roccat.c +++ b/drivers/hid/hid-roccat.c @@ -137,7 +137,7 @@ exit_unlock: return retval; } -static unsigned int roccat_poll(struct file *file, poll_table *wait) +static __poll_t roccat_poll(struct file *file, poll_table *wait) { struct roccat_reader *reader = file->private_data; poll_wait(file, &reader->device->wait, wait); diff --git a/drivers/hid/hid-sensor-custom.c b/drivers/hid/hid-sensor-custom.c index 0bcf041368c7..21ed6c55c40a 100644 --- a/drivers/hid/hid-sensor-custom.c +++ b/drivers/hid/hid-sensor-custom.c @@ -702,11 +702,11 @@ static int hid_sensor_custom_open(struct inode *inode, struct file *file) return nonseekable_open(inode, file); } -static unsigned int hid_sensor_custom_poll(struct file *file, +static __poll_t hid_sensor_custom_poll(struct file *file, struct poll_table_struct *wait) { struct hid_sensor_custom *sensor_inst; - unsigned int mask = 0; + __poll_t mask = 0; sensor_inst = container_of(file->private_data, struct hid_sensor_custom, custom_dev); diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 5fbe0f81ab2e..be210219f982 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -249,7 +249,7 @@ out: return ret; } -static unsigned int hidraw_poll(struct file *file, poll_table *wait) +static __poll_t hidraw_poll(struct file *file, poll_table *wait) { struct hidraw_list *list = file->private_data; diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index 6f819f144cb4..fc43850a155e 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -753,7 +753,7 @@ unlock: return ret ? ret : count; } -static unsigned int uhid_char_poll(struct file *file, poll_table *wait) +static __poll_t uhid_char_poll(struct file *file, poll_table *wait) { struct uhid_device *uhid = file->private_data; diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 7d749b19c27c..0ff3e7e70c8d 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -422,7 +422,7 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun * "poll" file op * No kernel lock - fine */ -static unsigned int hiddev_poll(struct file *file, poll_table *wait) +static __poll_t hiddev_poll(struct file *file, poll_table *wait) { struct hiddev_list *list = file->private_data; diff --git a/drivers/hsi/clients/cmt_speech.c b/drivers/hsi/clients/cmt_speech.c index 727f968ac1cb..e6ad3de6c975 100644 --- a/drivers/hsi/clients/cmt_speech.c +++ b/drivers/hsi/clients/cmt_speech.c @@ -1124,10 +1124,10 @@ static int cs_char_fasync(int fd, struct file *file, int on) return 0; } -static unsigned int cs_char_poll(struct file *file, poll_table *wait) +static __poll_t cs_char_poll(struct file *file, poll_table *wait) { struct cs_char *csdata = file->private_data; - unsigned int ret = 0; + __poll_t ret = 0; poll_wait(file, &cs_char_data.wait, wait); spin_lock_bh(&csdata->lock); diff --git a/drivers/hv/hv_utils_transport.c b/drivers/hv/hv_utils_transport.c index 4402a71e23f7..047959e74bb1 100644 --- a/drivers/hv/hv_utils_transport.c +++ b/drivers/hv/hv_utils_transport.c @@ -104,7 +104,7 @@ static ssize_t hvt_op_write(struct file *file, const char __user *buf, return ret ? ret : count; } -static unsigned int hvt_op_poll(struct file *file, poll_table *wait) +static __poll_t hvt_op_poll(struct file *file, poll_table *wait) { struct hvutil_transport *hvt; diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c index 5f11dc014ed6..e5234f953a6d 100644 --- a/drivers/hwmon/jc42.c +++ b/drivers/hwmon/jc42.c @@ -22,6 +22,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/bitops.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -45,6 +46,7 @@ static const unsigned short normal_i2c[] = { #define JC42_REG_TEMP 0x05 #define JC42_REG_MANID 0x06 #define JC42_REG_DEVICEID 0x07 +#define JC42_REG_SMBUS 0x22 /* NXP and Atmel, possibly others? */ /* Status bits in temperature register */ #define JC42_ALARM_CRIT_BIT 15 @@ -75,6 +77,9 @@ static const unsigned short normal_i2c[] = { #define GT_MANID 0x1c68 /* Giantec */ #define GT_MANID2 0x132d /* Giantec, 2nd mfg ID */ +/* SMBUS register */ +#define SMBUS_STMOUT BIT(7) /* SMBus time-out, active low */ + /* Supported chips */ /* Analog Devices */ @@ -495,6 +500,22 @@ static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id) data->extended = !!(cap & JC42_CAP_RANGE); + if (device_property_read_bool(dev, "smbus-timeout-disable")) { + int smbus; + + /* + * Not all chips support this register, but from a + * quick read of various datasheets no chip appears + * incompatible with the below attempt to disable + * the timeout. And the whole thing is opt-in... + */ + smbus = i2c_smbus_read_word_swapped(client, JC42_REG_SMBUS); + if (smbus < 0) + return smbus; + i2c_smbus_write_word_swapped(client, JC42_REG_SMBUS, + smbus | SMBUS_STMOUT); + } + config = i2c_smbus_read_word_swapped(client, JC42_REG_CONFIG); if (config < 0) return config; diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 52a58b8b6e1b..a139940cd991 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -21,6 +21,7 @@ #include <linux/debugfs.h> #include <linux/kernel.h> +#include <linux/math64.h> #include <linux/module.h> #include <linux/init.h> #include <linux/err.h> @@ -499,8 +500,8 @@ static long pmbus_reg2data_linear(struct pmbus_data *data, static long pmbus_reg2data_direct(struct pmbus_data *data, struct pmbus_sensor *sensor) { - long val = (s16) sensor->data; - long m, b, R; + s64 b, val = (s16)sensor->data; + s32 m, R; m = data->info->m[sensor->class]; b = data->info->b[sensor->class]; @@ -528,11 +529,12 @@ static long pmbus_reg2data_direct(struct pmbus_data *data, R--; } while (R < 0) { - val = DIV_ROUND_CLOSEST(val, 10); + val = div_s64(val + 5LL, 10L); /* round closest */ R++; } - return (val - b) / m; + val = div_s64(val - b, m); + return clamp_val(val, LONG_MIN, LONG_MAX); } /* @@ -656,7 +658,8 @@ static u16 pmbus_data2reg_linear(struct pmbus_data *data, static u16 pmbus_data2reg_direct(struct pmbus_data *data, struct pmbus_sensor *sensor, long val) { - long m, b, R; + s64 b, val64 = val; + s32 m, R; m = data->info->m[sensor->class]; b = data->info->b[sensor->class]; @@ -673,18 +676,18 @@ static u16 pmbus_data2reg_direct(struct pmbus_data *data, R -= 3; /* Adjust R and b for data in milli-units */ b *= 1000; } - val = val * m + b; + val64 = val64 * m + b; while (R > 0) { - val *= 10; + val64 *= 10; R--; } while (R < 0) { - val = DIV_ROUND_CLOSEST(val, 10); + val64 = div_s64(val64 + 5LL, 10L); /* round closest */ R++; } - return val; + return (u16)clamp_val(val64, S16_MIN, S16_MAX); } static u16 pmbus_data2reg_vid(struct pmbus_data *data, diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 9e12a53ef7b8..8eac00efadc1 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1617,6 +1617,9 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) /* Default timeout in interrupt mode: 200 ms */ priv->adapter.timeout = HZ / 5; + if (dev->irq == IRQ_NOTCONNECTED) + priv->features &= ~FEATURE_IRQ; + if (priv->features & FEATURE_IRQ) { u16 pcictl, pcists; diff --git a/drivers/i2c/i2c-boardinfo.c b/drivers/i2c/i2c-boardinfo.c index 31186ead5a40..509a6007cdf6 100644 --- a/drivers/i2c/i2c-boardinfo.c +++ b/drivers/i2c/i2c-boardinfo.c @@ -86,6 +86,7 @@ int i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsig property_entries_dup(info->properties); if (IS_ERR(devinfo->board_info.properties)) { status = PTR_ERR(devinfo->board_info.properties); + kfree(devinfo); break; } } @@ -98,6 +99,7 @@ int i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsig GFP_KERNEL); if (!devinfo->board_info.resources) { status = -ENOMEM; + kfree(devinfo); break; } } diff --git a/drivers/iio/iio_core.h b/drivers/iio/iio_core.h index 4c45488e3a7f..c775fedbcaf6 100644 --- a/drivers/iio/iio_core.h +++ b/drivers/iio/iio_core.h @@ -43,7 +43,7 @@ ssize_t iio_format_value(char *buf, unsigned int type, int size, int *vals); #ifdef CONFIG_IIO_BUFFER struct poll_table_struct; -unsigned int iio_buffer_poll(struct file *filp, +__poll_t iio_buffer_poll(struct file *filp, struct poll_table_struct *wait); ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf, size_t n, loff_t *f_ps); diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index d2b465140a6b..0bc2fe31f211 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -169,7 +169,7 @@ ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf, * Return: (POLLIN | POLLRDNORM) if data is available for reading * or 0 for other cases */ -unsigned int iio_buffer_poll(struct file *filp, +__poll_t iio_buffer_poll(struct file *filp, struct poll_table_struct *wait) { struct iio_dev *indio_dev = filp->private_data; diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index 90fac8ec63c9..0bcf073e46db 100644 --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -95,12 +95,12 @@ EXPORT_SYMBOL(iio_push_event); * Return: (POLLIN | POLLRDNORM) if data is available for reading * or a negative error code on failure */ -static unsigned int iio_event_poll(struct file *filep, +static __poll_t iio_event_poll(struct file *filep, struct poll_table_struct *wait) { struct iio_dev *indio_dev = filep->private_data; struct iio_event_interface *ev_int = indio_dev->event_interface; - unsigned int events = 0; + __poll_t events = 0; if (!indio_dev->info) return events; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index f2a7f62c2834..f7adae0adc19 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -1130,11 +1130,11 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf, return result; } -static unsigned int ib_ucm_poll(struct file *filp, +static __poll_t ib_ucm_poll(struct file *filp, struct poll_table_struct *wait) { struct ib_ucm_file *file = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(filp, &file->poll_wait, wait); diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index eb85b546e223..e4be89d1f3d8 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1630,10 +1630,10 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf, return ret; } -static unsigned int ucma_poll(struct file *filp, struct poll_table_struct *wait) +static __poll_t ucma_poll(struct file *filp, struct poll_table_struct *wait) { struct ucma_file *file = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(filp, &file->poll_wait, wait); diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 21e60b1e2ff4..130606c3b07c 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -191,7 +191,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr, sg_list_start = umem->sg_head.sgl; while (npages) { - ret = get_user_pages(cur_base, + ret = get_user_pages_longterm(cur_base, min_t(unsigned long, npages, PAGE_SIZE / sizeof (struct page *)), gup_flags, page_list, vma_list); diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 4b64dd02e090..0c32d10f23ff 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -617,12 +617,12 @@ err: return ret; } -static unsigned int ib_umad_poll(struct file *filp, struct poll_table_struct *wait) +static __poll_t ib_umad_poll(struct file *filp, struct poll_table_struct *wait) { struct ib_umad_file *file = filp->private_data; /* we will always be able to post a MAD send */ - unsigned int mask = POLLOUT | POLLWRNORM; + __poll_t mask = POLLOUT | POLLWRNORM; poll_wait(filp, &file->recv_wait, wait); diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 381fd9c096ae..5f216ffb465a 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -339,11 +339,11 @@ static ssize_t ib_uverbs_comp_event_read(struct file *filp, char __user *buf, sizeof(struct ib_uverbs_comp_event_desc)); } -static unsigned int ib_uverbs_event_poll(struct ib_uverbs_event_queue *ev_queue, +static __poll_t ib_uverbs_event_poll(struct ib_uverbs_event_queue *ev_queue, struct file *filp, struct poll_table_struct *wait) { - unsigned int pollflags = 0; + __poll_t pollflags = 0; poll_wait(filp, &ev_queue->poll_wait, wait); @@ -355,13 +355,13 @@ static unsigned int ib_uverbs_event_poll(struct ib_uverbs_event_queue *ev_queue, return pollflags; } -static unsigned int ib_uverbs_async_event_poll(struct file *filp, +static __poll_t ib_uverbs_async_event_poll(struct file *filp, struct poll_table_struct *wait) { return ib_uverbs_event_poll(filp->private_data, filp, wait); } -static unsigned int ib_uverbs_comp_event_poll(struct file *filp, +static __poll_t ib_uverbs_comp_event_poll(struct file *filp, struct poll_table_struct *wait) { struct ib_uverbs_completion_event_file *comp_ev_file = diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index 7750a9c38b06..82086241aac3 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -74,7 +74,7 @@ static int hfi1_file_open(struct inode *inode, struct file *fp); static int hfi1_file_close(struct inode *inode, struct file *fp); static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from); -static unsigned int hfi1_poll(struct file *fp, struct poll_table_struct *pt); +static __poll_t hfi1_poll(struct file *fp, struct poll_table_struct *pt); static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma); static u64 kvirt_to_phys(void *addr); @@ -102,8 +102,8 @@ static int allocate_ctxt(struct hfi1_filedata *fd, struct hfi1_devdata *dd, struct hfi1_user_info *uinfo, struct hfi1_ctxtdata **cd); static void deallocate_ctxt(struct hfi1_ctxtdata *uctxt); -static unsigned int poll_urgent(struct file *fp, struct poll_table_struct *pt); -static unsigned int poll_next(struct file *fp, struct poll_table_struct *pt); +static __poll_t poll_urgent(struct file *fp, struct poll_table_struct *pt); +static __poll_t poll_next(struct file *fp, struct poll_table_struct *pt); static int user_event_ack(struct hfi1_ctxtdata *uctxt, u16 subctxt, unsigned long arg); static int set_ctxt_pkey(struct hfi1_ctxtdata *uctxt, unsigned long arg); @@ -607,10 +607,10 @@ static int vma_fault(struct vm_fault *vmf) return 0; } -static unsigned int hfi1_poll(struct file *fp, struct poll_table_struct *pt) +static __poll_t hfi1_poll(struct file *fp, struct poll_table_struct *pt) { struct hfi1_ctxtdata *uctxt; - unsigned pollflag; + __poll_t pollflag; uctxt = ((struct hfi1_filedata *)fp->private_data)->uctxt; if (!uctxt) @@ -1425,13 +1425,13 @@ static int user_exp_rcv_invalid(struct hfi1_filedata *fd, unsigned long arg, return ret; } -static unsigned int poll_urgent(struct file *fp, +static __poll_t poll_urgent(struct file *fp, struct poll_table_struct *pt) { struct hfi1_filedata *fd = fp->private_data; struct hfi1_ctxtdata *uctxt = fd->uctxt; struct hfi1_devdata *dd = uctxt->dd; - unsigned pollflag; + __poll_t pollflag; poll_wait(fp, &uctxt->wait, pt); @@ -1448,13 +1448,13 @@ static unsigned int poll_urgent(struct file *fp, return pollflag; } -static unsigned int poll_next(struct file *fp, +static __poll_t poll_next(struct file *fp, struct poll_table_struct *pt) { struct hfi1_filedata *fd = fp->private_data; struct hfi1_ctxtdata *uctxt = fd->uctxt; struct hfi1_devdata *dd = uctxt->dd; - unsigned pollflag; + __poll_t pollflag; poll_wait(fp, &uctxt->wait, pt); diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index 2d6a191afec0..b67df63bd64b 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -58,7 +58,7 @@ static int qib_open(struct inode *, struct file *); static int qib_close(struct inode *, struct file *); static ssize_t qib_write(struct file *, const char __user *, size_t, loff_t *); static ssize_t qib_write_iter(struct kiocb *, struct iov_iter *); -static unsigned int qib_poll(struct file *, struct poll_table_struct *); +static __poll_t qib_poll(struct file *, struct poll_table_struct *); static int qib_mmapf(struct file *, struct vm_area_struct *); /* @@ -1092,12 +1092,12 @@ bail: return ret; } -static unsigned int qib_poll_urgent(struct qib_ctxtdata *rcd, +static __poll_t qib_poll_urgent(struct qib_ctxtdata *rcd, struct file *fp, struct poll_table_struct *pt) { struct qib_devdata *dd = rcd->dd; - unsigned pollflag; + __poll_t pollflag; poll_wait(fp, &rcd->wait, pt); @@ -1114,12 +1114,12 @@ static unsigned int qib_poll_urgent(struct qib_ctxtdata *rcd, return pollflag; } -static unsigned int qib_poll_next(struct qib_ctxtdata *rcd, +static __poll_t qib_poll_next(struct qib_ctxtdata *rcd, struct file *fp, struct poll_table_struct *pt) { struct qib_devdata *dd = rcd->dd; - unsigned pollflag; + __poll_t pollflag; poll_wait(fp, &rcd->wait, pt); @@ -1135,10 +1135,10 @@ static unsigned int qib_poll_next(struct qib_ctxtdata *rcd, return pollflag; } -static unsigned int qib_poll(struct file *fp, struct poll_table_struct *pt) +static __poll_t qib_poll(struct file *fp, struct poll_table_struct *pt) { struct qib_ctxtdata *rcd; - unsigned pollflag; + __poll_t pollflag; rcd = ctxt_fp(fp); if (!rcd) diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 925571475005..0193dd4f0452 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -635,11 +635,11 @@ static ssize_t evdev_read(struct file *file, char __user *buffer, } /* No kernel lock - fine */ -static unsigned int evdev_poll(struct file *file, poll_table *wait) +static __poll_t evdev_poll(struct file *file, poll_table *wait) { struct evdev_client *client = file->private_data; struct evdev *evdev = client->evdev; - unsigned int mask; + __poll_t mask; poll_wait(file, &evdev->wait, wait); diff --git a/drivers/input/input.c b/drivers/input/input.c index e30642db50d5..0d0b2ab1bb6b 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1048,7 +1048,7 @@ static inline void input_wakeup_procfs_readers(void) wake_up(&input_devices_poll_wait); } -static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait) +static __poll_t input_proc_devices_poll(struct file *file, poll_table *wait) { poll_wait(file, &input_devices_poll_wait, wait); if (file->f_version != input_devices_state) { diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index 7b29a8944039..fe3255572886 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -436,7 +436,7 @@ static ssize_t joydev_read(struct file *file, char __user *buf, } /* No kernel lock - fine */ -static unsigned int joydev_poll(struct file *file, poll_table *wait) +static __poll_t joydev_poll(struct file *file, poll_table *wait) { struct joydev_client *client = file->private_data; struct joydev *joydev = client->joydev; diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c index 1c8c56efc995..9c3f7ec3bd3d 100644 --- a/drivers/input/misc/hp_sdc_rtc.c +++ b/drivers/input/misc/hp_sdc_rtc.c @@ -408,7 +408,7 @@ static ssize_t hp_sdc_rtc_read(struct file *file, char __user *buf, return retval; } -static unsigned int hp_sdc_rtc_poll(struct file *file, poll_table *wait) +static __poll_t hp_sdc_rtc_poll(struct file *file, poll_table *wait) { unsigned long l; diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 39ddd9a73feb..91df0df15e68 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -694,7 +694,7 @@ static ssize_t uinput_read(struct file *file, char __user *buffer, return retval; } -static unsigned int uinput_poll(struct file *file, poll_table *wait) +static __poll_t uinput_poll(struct file *file, poll_table *wait) { struct uinput_device *udev = file->private_data; diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index 2d7f691ec71c..731d84ae5101 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -757,11 +757,11 @@ static ssize_t mousedev_read(struct file *file, char __user *buffer, } /* No kernel lock - fine */ -static unsigned int mousedev_poll(struct file *file, poll_table *wait) +static __poll_t mousedev_poll(struct file *file, poll_table *wait) { struct mousedev_client *client = file->private_data; struct mousedev *mousedev = client->mousedev; - unsigned int mask; + __poll_t mask; poll_wait(file, &mousedev->wait, wait); diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index 516f9fe77a17..fccf55a380b2 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -239,11 +239,11 @@ out: return retval; } -static unsigned int serio_raw_poll(struct file *file, poll_table *wait) +static __poll_t serio_raw_poll(struct file *file, poll_table *wait) { struct serio_raw_client *client = file->private_data; struct serio_raw *serio_raw = client->serio_raw; - unsigned int mask; + __poll_t mask; poll_wait(file, &serio_raw->wait, wait); diff --git a/drivers/input/serio/userio.c b/drivers/input/serio/userio.c index df1fd41860ac..a63de06b08bc 100644 --- a/drivers/input/serio/userio.c +++ b/drivers/input/serio/userio.c @@ -248,7 +248,7 @@ out: return error ?: count; } -static unsigned int userio_char_poll(struct file *file, poll_table *wait) +static __poll_t userio_char_poll(struct file *file, poll_table *wait) { struct userio_device *userio = file->private_data; diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index dde8f46bc254..e268811dc544 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -724,11 +724,11 @@ capi_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos return count; } -static unsigned int +static __poll_t capi_poll(struct file *file, poll_table *wait) { struct capidev *cdev = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; if (!cdev->ap.applid) return POLLERR; diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c index 1c5dc345e7c5..34b7704042a4 100644 --- a/drivers/isdn/divert/divert_procfs.c +++ b/drivers/isdn/divert/divert_procfs.c @@ -119,10 +119,10 @@ isdn_divert_write(struct file *file, const char __user *buf, size_t count, loff_ /***************************************/ /* select routines for various kernels */ /***************************************/ -static unsigned int +static __poll_t isdn_divert_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &(rd_queue), wait); /* mask = POLLOUT | POLLWRNORM; */ diff --git a/drivers/isdn/hardware/eicon/divamnt.c b/drivers/isdn/hardware/eicon/divamnt.c index 72e58bf07577..70f16102a001 100644 --- a/drivers/isdn/hardware/eicon/divamnt.c +++ b/drivers/isdn/hardware/eicon/divamnt.c @@ -98,9 +98,9 @@ void diva_os_get_time(dword *sec, dword *usec) /* * device node operations */ -static unsigned int maint_poll(struct file *file, poll_table *wait) +static __poll_t maint_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &msgwaitq, wait); mask = POLLOUT | POLLWRNORM; diff --git a/drivers/isdn/hardware/eicon/divasi.c b/drivers/isdn/hardware/eicon/divasi.c index 0033d74a7291..da5cc5ab7e2d 100644 --- a/drivers/isdn/hardware/eicon/divasi.c +++ b/drivers/isdn/hardware/eicon/divasi.c @@ -74,7 +74,7 @@ static ssize_t um_idi_read(struct file *file, char __user *buf, size_t count, loff_t *offset); static ssize_t um_idi_write(struct file *file, const char __user *buf, size_t count, loff_t *offset); -static unsigned int um_idi_poll(struct file *file, poll_table *wait); +static __poll_t um_idi_poll(struct file *file, poll_table *wait); static int um_idi_open(struct inode *inode, struct file *file); static int um_idi_release(struct inode *inode, struct file *file); static int remove_entity(void *entity); @@ -365,7 +365,7 @@ um_idi_write(struct file *file, const char __user *buf, size_t count, return (ret); } -static unsigned int um_idi_poll(struct file *file, poll_table *wait) +static __poll_t um_idi_poll(struct file *file, poll_table *wait) { diva_um_idi_os_context_t *p_os; diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c index b2023e08dcd2..fbc788e6f0db 100644 --- a/drivers/isdn/hardware/eicon/divasmain.c +++ b/drivers/isdn/hardware/eicon/divasmain.c @@ -650,7 +650,7 @@ static ssize_t divas_read(struct file *file, char __user *buf, return (ret); } -static unsigned int divas_poll(struct file *file, poll_table *wait) +static __poll_t divas_poll(struct file *file, poll_table *wait) { if (!file->private_data) { return (POLLERR); diff --git a/drivers/isdn/hardware/eicon/divasproc.c b/drivers/isdn/hardware/eicon/divasproc.c index b57efd6ad916..3478f6f099eb 100644 --- a/drivers/isdn/hardware/eicon/divasproc.c +++ b/drivers/isdn/hardware/eicon/divasproc.c @@ -99,7 +99,7 @@ divas_write(struct file *file, const char __user *buf, size_t count, loff_t *off return (-ENODEV); } -static unsigned int divas_poll(struct file *file, poll_table *wait) +static __poll_t divas_poll(struct file *file, poll_table *wait) { return (POLLERR); } diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c index aaca0b3d662e..6abea6915f49 100644 --- a/drivers/isdn/hysdn/hysdn_proclog.c +++ b/drivers/isdn/hysdn/hysdn_proclog.c @@ -281,10 +281,10 @@ hysdn_log_close(struct inode *ino, struct file *filep) /*************************************************/ /* select/poll routine to be able using select() */ /*************************************************/ -static unsigned int +static __poll_t hysdn_log_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; hysdn_card *card = PDE_DATA(file_inode(file)); struct procdata *pd = card->proclog; diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c index 8b03d618185e..0521c32949d4 100644 --- a/drivers/isdn/i4l/isdn_common.c +++ b/drivers/isdn/i4l/isdn_common.c @@ -1227,10 +1227,10 @@ out: return retval; } -static unsigned int +static __poll_t isdn_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; unsigned int minor = iminor(file_inode(file)); int drvidx = isdn_minor2drv(minor - ISDN_MINOR_CTRL); diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index e07aefb9151d..57884319b4b1 100644 --- a/drivers/isdn/i4l/isdn_ppp.c +++ b/drivers/isdn/i4l/isdn_ppp.c @@ -685,10 +685,10 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg) return 0; } -unsigned int +__poll_t isdn_ppp_poll(struct file *file, poll_table *wait) { - u_int mask; + __poll_t mask; struct ippp_buf_queue *bf, *bl; u_long flags; struct ippp_struct *is; diff --git a/drivers/isdn/i4l/isdn_ppp.h b/drivers/isdn/i4l/isdn_ppp.h index 4e9b8935a4eb..34b8a2ce84f3 100644 --- a/drivers/isdn/i4l/isdn_ppp.h +++ b/drivers/isdn/i4l/isdn_ppp.h @@ -23,7 +23,7 @@ extern int isdn_ppp_autodial_filter(struct sk_buff *, isdn_net_local *); extern int isdn_ppp_xmit(struct sk_buff *, struct net_device *); extern void isdn_ppp_receive(isdn_net_dev *, isdn_net_local *, struct sk_buff *); extern int isdn_ppp_dev_ioctl(struct net_device *, struct ifreq *, int); -extern unsigned int isdn_ppp_poll(struct file *, struct poll_table_struct *); +extern __poll_t isdn_ppp_poll(struct file *, struct poll_table_struct *); extern int isdn_ppp_ioctl(int, struct file *, unsigned int, unsigned long); extern void isdn_ppp_release(int, struct file *); extern int isdn_ppp_dial_slave(char *); diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c index e3654782a3e2..21d50e4cc5e1 100644 --- a/drivers/isdn/mISDN/l1oip_core.c +++ b/drivers/isdn/mISDN/l1oip_core.c @@ -645,8 +645,10 @@ l1oip_socket_thread(void *data) { struct l1oip *hc = (struct l1oip *)data; int ret = 0; - struct msghdr msg; struct sockaddr_in sin_rx; + struct kvec iov; + struct msghdr msg = {.msg_name = &sin_rx, + .msg_namelen = sizeof(sin_rx)}; unsigned char *recvbuf; size_t recvbuf_size = 1500; int recvlen; @@ -661,6 +663,9 @@ l1oip_socket_thread(void *data) goto fail; } + iov.iov_base = recvbuf; + iov.iov_len = recvbuf_size; + /* make daemon */ allow_signal(SIGTERM); @@ -697,12 +702,6 @@ l1oip_socket_thread(void *data) goto fail; } - /* build receive message */ - msg.msg_name = &sin_rx; - msg.msg_namelen = sizeof(sin_rx); - msg.msg_control = NULL; - msg.msg_controllen = 0; - /* build send message */ hc->sendmsg.msg_name = &hc->sin_remote; hc->sendmsg.msg_namelen = sizeof(hc->sin_remote); @@ -719,12 +718,9 @@ l1oip_socket_thread(void *data) printk(KERN_DEBUG "%s: socket created and open\n", __func__); while (!signal_pending(current)) { - struct kvec iov = { - .iov_base = recvbuf, - .iov_len = recvbuf_size, - }; - recvlen = kernel_recvmsg(socket, &msg, &iov, 1, - recvbuf_size, 0); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, + recvbuf_size); + recvlen = sock_recvmsg(socket, &msg, 0); if (recvlen > 0) { l1oip_socket_parse(hc, &sin_rx, recvbuf, recvlen); } else { diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c index c50a34340f67..f4272d4e0a26 100644 --- a/drivers/isdn/mISDN/timerdev.c +++ b/drivers/isdn/mISDN/timerdev.c @@ -141,11 +141,11 @@ mISDN_read(struct file *filep, char __user *buf, size_t count, loff_t *off) return ret; } -static unsigned int +static __poll_t mISDN_poll(struct file *filep, poll_table *wait) { struct mISDNtimerdev *dev = filep->private_data; - unsigned int mask = POLLERR; + __poll_t mask = POLLERR; if (*debug & DEBUG_TIMER) printk(KERN_DEBUG "%s(%p, %p)\n", __func__, filep, wait); diff --git a/drivers/leds/uleds.c b/drivers/leds/uleds.c index 5e9e8a1fdefb..5beacab05ed7 100644 --- a/drivers/leds/uleds.c +++ b/drivers/leds/uleds.c @@ -176,7 +176,7 @@ static ssize_t uleds_read(struct file *file, char __user *buffer, size_t count, return retval; } -static unsigned int uleds_poll(struct file *file, poll_table *wait) +static __poll_t uleds_poll(struct file *file, poll_table *wait) { struct uleds_device *udev = file->private_data; diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 899ec1f4c833..346e6f5f77be 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -1245,10 +1245,10 @@ static ssize_t smu_read(struct file *file, char __user *buf, return -EBADFD; } -static unsigned int smu_fpoll(struct file *file, poll_table *wait) +static __poll_t smu_fpoll(struct file *file, poll_table *wait) { struct smu_private *pp = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; unsigned long flags; if (pp == 0) diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index c4c2b3b85ebc..e8b29fc532e1 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -2157,11 +2157,11 @@ pmu_write(struct file *file, const char __user *buf, return 0; } -static unsigned int +static __poll_t pmu_fpoll(struct file *filp, poll_table *wait) { struct pmu_private *pp = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; unsigned long flags; if (pp == 0) diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c index 93f3d4d61fa7..f84730d63b1f 100644 --- a/drivers/mailbox/mailbox-test.c +++ b/drivers/mailbox/mailbox-test.c @@ -235,7 +235,7 @@ kfree_err: return ret; } -static unsigned int +static __poll_t mbox_test_message_poll(struct file *filp, struct poll_table_struct *wait) { struct mbox_test_device *tdev = filp->private_data; diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index a27d85232ce1..a0cc1bc6d884 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -490,7 +490,7 @@ int __bch_bucket_alloc_set(struct cache_set *c, unsigned reserve, if (b == -1) goto err; - k->ptr[i] = PTR(ca->buckets[b].gen, + k->ptr[i] = MAKE_PTR(ca->buckets[b].gen, bucket_to_sector(c, b), ca->sb.nr_this_dev); diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 11c5503d31dc..81e8dc3dbe5e 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -807,7 +807,10 @@ int bch_btree_cache_alloc(struct cache_set *c) c->shrink.scan_objects = bch_mca_scan; c->shrink.seeks = 4; c->shrink.batch = c->btree_pages * 2; - register_shrinker(&c->shrink); + + if (register_shrinker(&c->shrink)) + pr_warn("bcache: %s: could not register shrinker", + __func__); return 0; } diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c index 41c238fc3733..f9d391711595 100644 --- a/drivers/md/bcache/extents.c +++ b/drivers/md/bcache/extents.c @@ -585,7 +585,7 @@ static bool bch_extent_merge(struct btree_keys *bk, struct bkey *l, struct bkey return false; for (i = 0; i < KEY_PTRS(l); i++) - if (l->ptr[i] + PTR(0, KEY_SIZE(l), 0) != r->ptr[i] || + if (l->ptr[i] + MAKE_PTR(0, KEY_SIZE(l), 0) != r->ptr[i] || PTR_BUCKET_NR(b->c, l, i) != PTR_BUCKET_NR(b->c, r, i)) return false; diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 02a98ddb592d..a87165c1d8e5 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -170,6 +170,11 @@ int bch_journal_read(struct cache_set *c, struct list_head *list) * find a sequence of buckets with valid journal entries */ for (i = 0; i < ca->sb.njournal_buckets; i++) { + /* + * We must try the index l with ZERO first for + * correctness due to the scenario that the journal + * bucket is circular buffer which might have wrapped + */ l = (i * 2654435769U) % ca->sb.njournal_buckets; if (test_bit(l, bitmap)) @@ -507,7 +512,7 @@ static void journal_reclaim(struct cache_set *c) continue; ja->cur_idx = next; - k->ptr[n++] = PTR(0, + k->ptr[n++] = MAKE_PTR(0, bucket_to_sector(c, ca->sb.d[ja->cur_idx]), ca->sb.nr_this_dev); } diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 3a7aed7282b2..643c3021624f 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -708,16 +708,15 @@ static void cached_dev_read_error(struct closure *cl) { struct search *s = container_of(cl, struct search, cl); struct bio *bio = &s->bio.bio; - struct cached_dev *dc = container_of(s->d, struct cached_dev, disk); /* - * If cache device is dirty (dc->has_dirty is non-zero), then - * recovery a failed read request from cached device may get a - * stale data back. So read failure recovery is only permitted - * when cache device is clean. + * If read request hit dirty data (s->read_dirty_data is true), + * then recovery a failed read request from cached device may + * get a stale data back. So read failure recovery is only + * permitted when read request hit clean data in cache device, + * or when cache read race happened. */ - if (s->recoverable && - (dc && !atomic_read(&dc->has_dirty))) { + if (s->recoverable && !s->read_dirty_data) { /* Retry from the backing device: */ trace_bcache_read_retry(s->orig_bio); diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index e52676fa9832..3f6791afd3e4 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1929,10 +1929,10 @@ static int dm_release(struct inode *inode, struct file *filp) return 0; } -static unsigned dm_poll(struct file *filp, poll_table *wait) +static __poll_t dm_poll(struct file *filp, poll_table *wait) { struct dm_file *priv = filp->private_data; - unsigned mask = 0; + __poll_t mask = 0; poll_wait(filp, &dm_global_eventq, wait); diff --git a/drivers/md/md.c b/drivers/md/md.c index 41c050b59ec4..e638d7199bd4 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7869,10 +7869,10 @@ static int md_seq_open(struct inode *inode, struct file *file) } static int md_unloading; -static unsigned int mdstat_poll(struct file *filp, poll_table *wait) +static __poll_t mdstat_poll(struct file *filp, poll_table *wait) { struct seq_file *seq = filp->private_data; - int mask; + __poll_t mask; if (md_unloading) return POLLIN|POLLRDNORM|POLLERR|POLLPRI; diff --git a/drivers/media/cec/cec-api.c b/drivers/media/cec/cec-api.c index 3dba3aa34a43..9d6c496f756c 100644 --- a/drivers/media/cec/cec-api.c +++ b/drivers/media/cec/cec-api.c @@ -43,13 +43,13 @@ static inline struct cec_devnode *cec_devnode_data(struct file *filp) /* CEC file operations */ -static unsigned int cec_poll(struct file *filp, +static __poll_t cec_poll(struct file *filp, struct poll_table_struct *poll) { struct cec_devnode *devnode = cec_devnode_data(filp); struct cec_fh *fh = filp->private_data; struct cec_adapter *adap = fh->adap; - unsigned int res = 0; + __poll_t res = 0; if (!devnode->registered) return POLLERR | POLLHUP; diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c index 8c87d6837c49..8ee3eebef4db 100644 --- a/drivers/media/common/saa7146/saa7146_fops.c +++ b/drivers/media/common/saa7146/saa7146_fops.c @@ -320,13 +320,13 @@ static int fops_mmap(struct file *file, struct vm_area_struct * vma) return res; } -static unsigned int __fops_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t __fops_poll(struct file *file, struct poll_table_struct *wait) { struct video_device *vdev = video_devdata(file); struct saa7146_fh *fh = file->private_data; struct videobuf_buffer *buf = NULL; struct videobuf_queue *q; - unsigned int res = v4l2_ctrl_poll(file, wait); + __poll_t res = v4l2_ctrl_poll(file, wait); DEB_EE("file:%p, poll:%p\n", file, wait); @@ -359,10 +359,10 @@ static unsigned int __fops_poll(struct file *file, struct poll_table_struct *wai return res; } -static unsigned int fops_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t fops_poll(struct file *file, struct poll_table_struct *wait) { struct video_device *vdev = video_devdata(file); - unsigned int res; + __poll_t res; mutex_lock(vdev->lock); res = __fops_poll(file, wait); diff --git a/drivers/media/common/siano/smsdvb-debugfs.c b/drivers/media/common/siano/smsdvb-debugfs.c index 1a8677ade391..0c0878bcf251 100644 --- a/drivers/media/common/siano/smsdvb-debugfs.c +++ b/drivers/media/common/siano/smsdvb-debugfs.c @@ -374,7 +374,7 @@ exit: return rc; } -static unsigned int smsdvb_stats_poll(struct file *file, poll_table *wait) +static __poll_t smsdvb_stats_poll(struct file *file, poll_table *wait) { struct smsdvb_debugfs *debug_data = file->private_data; int rc; @@ -384,12 +384,9 @@ static unsigned int smsdvb_stats_poll(struct file *file, poll_table *wait) poll_wait(file, &debug_data->stats_queue, wait); rc = smsdvb_stats_wait_read(debug_data); - if (rc > 0) - rc = POLLIN | POLLRDNORM; - kref_put(&debug_data->refcount, smsdvb_debugfs_data_release); - return rc; + return rc > 0 ? POLLIN | POLLRDNORM : 0; } static ssize_t smsdvb_stats_read(struct file *file, char __user *user_buf, diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c index 3ddd44e1ee77..3fe0eb740a6d 100644 --- a/drivers/media/dvb-core/dmxdev.c +++ b/drivers/media/dvb-core/dmxdev.c @@ -1066,10 +1066,10 @@ static long dvb_demux_ioctl(struct file *file, unsigned int cmd, return dvb_usercopy(file, cmd, arg, dvb_demux_do_ioctl); } -static unsigned int dvb_demux_poll(struct file *file, poll_table *wait) +static __poll_t dvb_demux_poll(struct file *file, poll_table *wait) { struct dmxdev_filter *dmxdevfilter = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; if ((!dmxdevfilter) || dmxdevfilter->dev->exit) return POLLERR; @@ -1160,11 +1160,11 @@ static long dvb_dvr_ioctl(struct file *file, return dvb_usercopy(file, cmd, arg, dvb_dvr_do_ioctl); } -static unsigned int dvb_dvr_poll(struct file *file, poll_table *wait) +static __poll_t dvb_dvr_poll(struct file *file, poll_table *wait) { struct dvb_device *dvbdev = file->private_data; struct dmxdev *dmxdev = dvbdev->priv; - unsigned int mask = 0; + __poll_t mask = 0; dprintk("%s\n", __func__); diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index 95b3723282f4..dbb527a2befc 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -1783,11 +1783,11 @@ static int dvb_ca_en50221_io_release(struct inode *inode, struct file *file) * * @return Standard poll mask. */ -static unsigned int dvb_ca_en50221_io_poll(struct file *file, poll_table *wait) +static __poll_t dvb_ca_en50221_io_poll(struct file *file, poll_table *wait) { struct dvb_device *dvbdev = file->private_data; struct dvb_ca_private *ca = dvbdev->priv; - unsigned int mask = 0; + __poll_t mask = 0; int slot; int result = 0; diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index 3ad83359098b..92e2433415f0 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -2467,7 +2467,7 @@ static int dvb_frontend_handle_ioctl(struct file *file, } -static unsigned int dvb_frontend_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t dvb_frontend_poll(struct file *file, struct poll_table_struct *wait) { struct dvb_device *dvbdev = file->private_data; struct dvb_frontend *fe = dvbdev->priv; diff --git a/drivers/media/firewire/firedtv-ci.c b/drivers/media/firewire/firedtv-ci.c index edbb30fdd9d9..fb8a1d2ffd24 100644 --- a/drivers/media/firewire/firedtv-ci.c +++ b/drivers/media/firewire/firedtv-ci.c @@ -207,7 +207,7 @@ static int fdtv_ca_ioctl(struct file *file, unsigned int cmd, void *arg) return err; } -static unsigned int fdtv_ca_io_poll(struct file *file, poll_table *wait) +static __poll_t fdtv_ca_io_poll(struct file *file, poll_table *wait) { return POLLIN; } diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c index 423248f577b6..3049b1f505e5 100644 --- a/drivers/media/media-devnode.c +++ b/drivers/media/media-devnode.c @@ -99,7 +99,7 @@ static ssize_t media_write(struct file *filp, const char __user *buf, return devnode->fops->write(filp, buf, sz, off); } -static unsigned int media_poll(struct file *filp, +static __poll_t media_poll(struct file *filp, struct poll_table_struct *poll) { struct media_devnode *devnode = media_devnode_data(filp); diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index b366a7e1d976..c988669e22ff 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -2955,13 +2955,13 @@ static ssize_t bttv_read(struct file *file, char __user *data, return retval; } -static unsigned int bttv_poll(struct file *file, poll_table *wait) +static __poll_t bttv_poll(struct file *file, poll_table *wait) { struct bttv_fh *fh = file->private_data; struct bttv_buffer *buf; enum v4l2_field field; - unsigned int rc = 0; - unsigned long req_events = poll_requested_events(wait); + __poll_t rc = 0; + __poll_t req_events = poll_requested_events(wait); if (v4l2_event_pending(&fh->fh)) rc = POLLPRI; @@ -3329,13 +3329,13 @@ static ssize_t radio_read(struct file *file, char __user *data, return cmd.result; } -static unsigned int radio_poll(struct file *file, poll_table *wait) +static __poll_t radio_poll(struct file *file, poll_table *wait) { struct bttv_fh *fh = file->private_data; struct bttv *btv = fh->btv; - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct saa6588_command cmd; - unsigned int res = 0; + __poll_t res = 0; if (v4l2_event_pending(&fh->fh)) res = POLLPRI; diff --git a/drivers/media/pci/cx18/cx18-fileops.c b/drivers/media/pci/cx18/cx18-fileops.c index 4f9c2395941b..2b0abd5bbf64 100644 --- a/drivers/media/pci/cx18/cx18-fileops.c +++ b/drivers/media/pci/cx18/cx18-fileops.c @@ -602,14 +602,14 @@ ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, return cx18_read_pos(s, buf, count, pos, filp->f_flags & O_NONBLOCK); } -unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) +__poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct cx18_open_id *id = file2id(filp); struct cx18 *cx = id->cx; struct cx18_stream *s = &cx->streams[id->type]; int eof = test_bit(CX18_F_S_STREAMOFF, &s->s_flags); - unsigned res = 0; + __poll_t res = 0; /* Start a capture if there is none */ if (!eof && !test_bit(CX18_F_S_STREAMING, &s->s_flags) && @@ -629,7 +629,7 @@ unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) if ((s->vb_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) && (id->type == CX18_ENC_STREAM_TYPE_YUV)) { - int videobuf_poll = videobuf_poll_stream(filp, &s->vbuf_q, wait); + __poll_t videobuf_poll = videobuf_poll_stream(filp, &s->vbuf_q, wait); if (v4l2_event_pending(&id->fh)) res |= POLLPRI; diff --git a/drivers/media/pci/cx18/cx18-fileops.h b/drivers/media/pci/cx18/cx18-fileops.h index 37ef34e866cb..5b44d30efd8f 100644 --- a/drivers/media/pci/cx18/cx18-fileops.h +++ b/drivers/media/pci/cx18/cx18-fileops.h @@ -23,7 +23,7 @@ ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count, loff_t *pos); int cx18_v4l2_close(struct file *filp); -unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); +__poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); int cx18_start_capture(struct cx18_open_id *id); void cx18_stop_capture(struct cx18_open_id *id, int gop_end); void cx18_mute(struct cx18 *cx); diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c index f4bd4908acdd..09a25d6c2cd1 100644 --- a/drivers/media/pci/ddbridge/ddbridge-core.c +++ b/drivers/media/pci/ddbridge/ddbridge-core.c @@ -732,13 +732,13 @@ static ssize_t ts_read(struct file *file, __user char *buf, return (count && (left == count)) ? -EAGAIN : (count - left); } -static unsigned int ts_poll(struct file *file, poll_table *wait) +static __poll_t ts_poll(struct file *file, poll_table *wait) { struct dvb_device *dvbdev = file->private_data; struct ddb_output *output = dvbdev->priv; struct ddb_input *input = output->port->input[0]; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &input->dma->wq, wait); poll_wait(file, &output->dma->wq, wait); diff --git a/drivers/media/pci/ivtv/ivtv-fileops.c b/drivers/media/pci/ivtv/ivtv-fileops.c index c9bd018e53de..4aa773507201 100644 --- a/drivers/media/pci/ivtv/ivtv-fileops.c +++ b/drivers/media/pci/ivtv/ivtv-fileops.c @@ -730,12 +730,12 @@ ssize_t ivtv_v4l2_write(struct file *filp, const char __user *user_buf, size_t c return res; } -unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table *wait) +__poll_t ivtv_v4l2_dec_poll(struct file *filp, poll_table *wait) { struct ivtv_open_id *id = fh2id(filp->private_data); struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[id->type]; - int res = 0; + __poll_t res = 0; /* add stream's waitq to the poll list */ IVTV_DEBUG_HI_FILE("Decoder poll\n"); @@ -764,14 +764,14 @@ unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table *wait) return res; } -unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table *wait) +__poll_t ivtv_v4l2_enc_poll(struct file *filp, poll_table *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct ivtv_open_id *id = fh2id(filp->private_data); struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[id->type]; int eof = test_bit(IVTV_F_S_STREAMOFF, &s->s_flags); - unsigned res = 0; + __poll_t res = 0; /* Start a capture if there is none */ if (!eof && !test_bit(IVTV_F_S_STREAMING, &s->s_flags) && diff --git a/drivers/media/pci/ivtv/ivtv-fileops.h b/drivers/media/pci/ivtv/ivtv-fileops.h index 5e08800772ca..e0029b2b8d09 100644 --- a/drivers/media/pci/ivtv/ivtv-fileops.h +++ b/drivers/media/pci/ivtv/ivtv-fileops.h @@ -28,8 +28,8 @@ ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count, ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count, loff_t * pos); int ivtv_v4l2_close(struct file *filp); -unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait); -unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait); +__poll_t ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait); +__poll_t ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait); int ivtv_start_capture(struct ivtv_open_id *id); void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end); int ivtv_start_decoding(struct ivtv_open_id *id, int speed); diff --git a/drivers/media/pci/meye/meye.c b/drivers/media/pci/meye/meye.c index 23999a8cef37..f74b08635082 100644 --- a/drivers/media/pci/meye/meye.c +++ b/drivers/media/pci/meye/meye.c @@ -1423,9 +1423,9 @@ static long vidioc_default(struct file *file, void *fh, bool valid_prio, } -static unsigned int meye_poll(struct file *file, poll_table *wait) +static __poll_t meye_poll(struct file *file, poll_table *wait) { - unsigned int res = v4l2_ctrl_poll(file, wait); + __poll_t res = v4l2_ctrl_poll(file, wait); mutex_lock(&meye.lock); poll_wait(file, &meye.proc_list, wait); diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index 82d2a24644e4..0ceaa3473cf2 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -1227,11 +1227,11 @@ static ssize_t radio_read(struct file *file, char __user *data, return cmd.result; } -static unsigned int radio_poll(struct file *file, poll_table *wait) +static __poll_t radio_poll(struct file *file, poll_table *wait) { struct saa7134_dev *dev = video_drvdata(file); struct saa6588_command cmd; - unsigned int rc = v4l2_ctrl_poll(file, wait); + __poll_t rc = v4l2_ctrl_poll(file, wait); cmd.instance = file; cmd.event_list = wait; diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c index f21c245a54f7..e7b31a5b14fd 100644 --- a/drivers/media/pci/saa7164/saa7164-encoder.c +++ b/drivers/media/pci/saa7164/saa7164-encoder.c @@ -909,13 +909,13 @@ err: return ret; } -static unsigned int fops_poll(struct file *file, poll_table *wait) +static __poll_t fops_poll(struct file *file, poll_table *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct saa7164_encoder_fh *fh = (struct saa7164_encoder_fh *)file->private_data; struct saa7164_port *port = fh->port; - unsigned int mask = v4l2_ctrl_poll(file, wait); + __poll_t mask = v4l2_ctrl_poll(file, wait); port->last_poll_msecs_diff = port->last_poll_msecs; port->last_poll_msecs = jiffies_to_msecs(jiffies); diff --git a/drivers/media/pci/saa7164/saa7164-vbi.c b/drivers/media/pci/saa7164/saa7164-vbi.c index 9255d7d23947..6f97c8f2e00d 100644 --- a/drivers/media/pci/saa7164/saa7164-vbi.c +++ b/drivers/media/pci/saa7164/saa7164-vbi.c @@ -614,11 +614,11 @@ err: return ret; } -static unsigned int fops_poll(struct file *file, poll_table *wait) +static __poll_t fops_poll(struct file *file, poll_table *wait) { struct saa7164_vbi_fh *fh = (struct saa7164_vbi_fh *)file->private_data; struct saa7164_port *port = fh->port; - unsigned int mask = 0; + __poll_t mask = 0; port->last_poll_msecs_diff = port->last_poll_msecs; port->last_poll_msecs = jiffies_to_msecs(jiffies); diff --git a/drivers/media/pci/ttpci/av7110_av.c b/drivers/media/pci/ttpci/av7110_av.c index 2aa4ba675194..4d10e2f979d2 100644 --- a/drivers/media/pci/ttpci/av7110_av.c +++ b/drivers/media/pci/ttpci/av7110_av.c @@ -937,11 +937,11 @@ static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event * DVB device file operations ******************************************************************************/ -static unsigned int dvb_video_poll(struct file *file, poll_table *wait) +static __poll_t dvb_video_poll(struct file *file, poll_table *wait) { struct dvb_device *dvbdev = file->private_data; struct av7110 *av7110 = dvbdev->priv; - unsigned int mask = 0; + __poll_t mask = 0; dprintk(2, "av7110:%p, \n", av7110); @@ -989,11 +989,11 @@ static ssize_t dvb_video_write(struct file *file, const char __user *buf, return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1); } -static unsigned int dvb_audio_poll(struct file *file, poll_table *wait) +static __poll_t dvb_audio_poll(struct file *file, poll_table *wait) { struct dvb_device *dvbdev = file->private_data; struct av7110 *av7110 = dvbdev->priv; - unsigned int mask = 0; + __poll_t mask = 0; dprintk(2, "av7110:%p, \n", av7110); diff --git a/drivers/media/pci/ttpci/av7110_ca.c b/drivers/media/pci/ttpci/av7110_ca.c index 1fe49171d823..96ca227cf51b 100644 --- a/drivers/media/pci/ttpci/av7110_ca.c +++ b/drivers/media/pci/ttpci/av7110_ca.c @@ -223,13 +223,13 @@ static int dvb_ca_open(struct inode *inode, struct file *file) return 0; } -static unsigned int dvb_ca_poll (struct file *file, poll_table *wait) +static __poll_t dvb_ca_poll (struct file *file, poll_table *wait) { struct dvb_device *dvbdev = file->private_data; struct av7110 *av7110 = dvbdev->priv; struct dvb_ringbuffer *rbuf = &av7110->ci_rbuffer; struct dvb_ringbuffer *wbuf = &av7110->ci_wbuffer; - unsigned int mask = 0; + __poll_t mask = 0; dprintk(8, "av7110:%p\n",av7110); diff --git a/drivers/media/pci/zoran/zoran_driver.c b/drivers/media/pci/zoran/zoran_driver.c index d07840072337..b6a6c4f171d0 100644 --- a/drivers/media/pci/zoran/zoran_driver.c +++ b/drivers/media/pci/zoran/zoran_driver.c @@ -2501,13 +2501,13 @@ static int zoran_s_jpegcomp(struct file *file, void *__fh, return res; } -static unsigned int +static __poll_t zoran_poll (struct file *file, poll_table *wait) { struct zoran_fh *fh = file->private_data; struct zoran *zr = fh->zr; - int res = v4l2_ctrl_poll(file, wait); + __poll_t res = v4l2_ctrl_poll(file, wait); int frame; unsigned long flags; diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c index 7b3f6f8e3dc8..cf65b39807fe 100644 --- a/drivers/media/platform/davinci/vpfe_capture.c +++ b/drivers/media/platform/davinci/vpfe_capture.c @@ -730,7 +730,7 @@ static int vpfe_mmap(struct file *file, struct vm_area_struct *vma) /* * vpfe_poll: It is used for select/poll system call */ -static unsigned int vpfe_poll(struct file *file, poll_table *wait) +static __poll_t vpfe_poll(struct file *file, poll_table *wait) { struct vpfe_device *vpfe_dev = video_drvdata(file); diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c index 2a2994ef15d5..b2dc524112f7 100644 --- a/drivers/media/platform/exynos-gsc/gsc-m2m.c +++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c @@ -707,12 +707,12 @@ static int gsc_m2m_release(struct file *file) return 0; } -static unsigned int gsc_m2m_poll(struct file *file, +static __poll_t gsc_m2m_poll(struct file *file, struct poll_table_struct *wait) { struct gsc_ctx *ctx = fh_to_ctx(file->private_data); struct gsc_dev *gsc = ctx->gsc_dev; - unsigned int ret; + __poll_t ret; if (mutex_lock_interruptible(&gsc->lock)) return -ERESTARTSYS; diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c index dba21215dc84..de285a269390 100644 --- a/drivers/media/platform/fsl-viu.c +++ b/drivers/media/platform/fsl-viu.c @@ -1263,13 +1263,13 @@ static ssize_t viu_read(struct file *file, char __user *data, size_t count, return 0; } -static unsigned int viu_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t viu_poll(struct file *file, struct poll_table_struct *wait) { struct viu_fh *fh = file->private_data; struct videobuf_queue *q = &fh->vb_vidq; struct viu_dev *dev = fh->dev; - unsigned long req_events = poll_requested_events(wait); - unsigned int res = v4l2_ctrl_poll(file, wait); + __poll_t req_events = poll_requested_events(wait); + __poll_t res = v4l2_ctrl_poll(file, wait); if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) return POLLERR; diff --git a/drivers/media/platform/m2m-deinterlace.c b/drivers/media/platform/m2m-deinterlace.c index c8a12493f395..945ef1e2ccc7 100644 --- a/drivers/media/platform/m2m-deinterlace.c +++ b/drivers/media/platform/m2m-deinterlace.c @@ -950,11 +950,11 @@ static int deinterlace_release(struct file *file) return 0; } -static unsigned int deinterlace_poll(struct file *file, +static __poll_t deinterlace_poll(struct file *file, struct poll_table_struct *wait) { struct deinterlace_ctx *ctx = file->private_data; - int ret; + __poll_t ret; deinterlace_lock(ctx); ret = v4l2_m2m_poll(file, ctx->m2m_ctx, wait); diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c index 4a2b1afa19c4..5a8eff60e95f 100644 --- a/drivers/media/platform/mx2_emmaprp.c +++ b/drivers/media/platform/mx2_emmaprp.c @@ -838,12 +838,12 @@ static int emmaprp_release(struct file *file) return 0; } -static unsigned int emmaprp_poll(struct file *file, +static __poll_t emmaprp_poll(struct file *file, struct poll_table_struct *wait) { struct emmaprp_dev *pcdev = video_drvdata(file); struct emmaprp_ctx *ctx = file->private_data; - unsigned int res; + __poll_t res; mutex_lock(&pcdev->dev_mutex); res = v4l2_m2m_poll(file, ctx->m2m_ctx, wait); diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c index 6f1b0c799e58..abb14ee20538 100644 --- a/drivers/media/platform/omap/omap_vout.c +++ b/drivers/media/platform/omap/omap_vout.c @@ -839,7 +839,7 @@ static void omap_vout_buffer_release(struct videobuf_queue *q, /* * File operations */ -static unsigned int omap_vout_poll(struct file *file, +static __poll_t omap_vout_poll(struct file *file, struct poll_table_struct *wait) { struct omap_vout_device *vout = file->private_data; diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c index 218e6d7ae93a..a751c89a3ea8 100644 --- a/drivers/media/platform/omap3isp/ispvideo.c +++ b/drivers/media/platform/omap3isp/ispvideo.c @@ -1383,11 +1383,11 @@ static int isp_video_release(struct file *file) return 0; } -static unsigned int isp_video_poll(struct file *file, poll_table *wait) +static __poll_t isp_video_poll(struct file *file, poll_table *wait) { struct isp_video_fh *vfh = to_isp_video_fh(file->private_data); struct isp_video *video = video_drvdata(file); - int ret; + __poll_t ret; mutex_lock(&video->queue_lock); ret = vb2_poll(&vfh->queue, file, wait); diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index 25c7a7d42292..437395a61065 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -590,12 +590,12 @@ static int s3c_camif_close(struct file *file) return ret; } -static unsigned int s3c_camif_poll(struct file *file, +static __poll_t s3c_camif_poll(struct file *file, struct poll_table_struct *wait) { struct camif_vp *vp = video_drvdata(file); struct camif_dev *camif = vp->camif; - int ret; + __poll_t ret; mutex_lock(&camif->lock); if (vp->owner && vp->owner != file->private_data) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index bc68dbbcaec1..fe94bd6b705e 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -988,14 +988,14 @@ static int s5p_mfc_release(struct file *file) } /* Poll */ -static unsigned int s5p_mfc_poll(struct file *file, +static __poll_t s5p_mfc_poll(struct file *file, struct poll_table_struct *wait) { struct s5p_mfc_ctx *ctx = fh_to_ctx(file->private_data); struct s5p_mfc_dev *dev = ctx->dev; struct vb2_queue *src_q, *dst_q; struct vb2_buffer *src_vb = NULL, *dst_vb = NULL; - unsigned int rc = 0; + __poll_t rc = 0; unsigned long flags; mutex_lock(&dev->mfc_mutex); diff --git a/drivers/media/platform/sh_veu.c b/drivers/media/platform/sh_veu.c index 15a562af13c7..15cf51f5d280 100644 --- a/drivers/media/platform/sh_veu.c +++ b/drivers/media/platform/sh_veu.c @@ -1016,7 +1016,7 @@ static int sh_veu_release(struct file *file) return 0; } -static unsigned int sh_veu_poll(struct file *file, +static __poll_t sh_veu_poll(struct file *file, struct poll_table_struct *wait) { struct sh_veu_file *veu_file = file->private_data; diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c index 36762ec954e7..9b069783e3ed 100644 --- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c +++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c @@ -1553,7 +1553,7 @@ static int sh_mobile_ceu_set_liveselection(struct soc_camera_device *icd, return ret; } -static unsigned int sh_mobile_ceu_poll(struct file *file, poll_table *pt) +static __poll_t sh_mobile_ceu_poll(struct file *file, poll_table *pt) { struct soc_camera_device *icd = file->private_data; diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index 916ff68b73d4..d964c072832c 100644 --- a/drivers/media/platform/soc_camera/soc_camera.c +++ b/drivers/media/platform/soc_camera/soc_camera.c @@ -805,11 +805,11 @@ static int soc_camera_mmap(struct file *file, struct vm_area_struct *vma) return err; } -static unsigned int soc_camera_poll(struct file *file, poll_table *pt) +static __poll_t soc_camera_poll(struct file *file, poll_table *pt) { struct soc_camera_device *icd = file->private_data; struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - unsigned res = POLLERR; + __poll_t res = POLLERR; if (icd->streamer != file) return POLLERR; diff --git a/drivers/media/platform/via-camera.c b/drivers/media/platform/via-camera.c index 805d4a8fc17e..f77be9302120 100644 --- a/drivers/media/platform/via-camera.c +++ b/drivers/media/platform/via-camera.c @@ -764,7 +764,7 @@ out_unlock: } -static unsigned int viacam_poll(struct file *filp, struct poll_table_struct *pt) +static __poll_t viacam_poll(struct file *filp, struct poll_table_struct *pt) { struct via_camera *cam = video_drvdata(filp); diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c index 5f316a5e38db..c80239592088 100644 --- a/drivers/media/platform/vivid/vivid-core.c +++ b/drivers/media/platform/vivid/vivid-core.c @@ -416,7 +416,7 @@ static ssize_t vivid_radio_write(struct file *file, const char __user *buf, return vivid_radio_tx_write(file, buf, size, offset); } -static unsigned int vivid_radio_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t vivid_radio_poll(struct file *file, struct poll_table_struct *wait) { struct video_device *vdev = video_devdata(file); diff --git a/drivers/media/platform/vivid/vivid-radio-rx.c b/drivers/media/platform/vivid/vivid-radio-rx.c index 47c36c26096b..71f3ebb7aecf 100644 --- a/drivers/media/platform/vivid/vivid-radio-rx.c +++ b/drivers/media/platform/vivid/vivid-radio-rx.c @@ -141,7 +141,7 @@ retry: return i; } -unsigned int vivid_radio_rx_poll(struct file *file, struct poll_table_struct *wait) +__poll_t vivid_radio_rx_poll(struct file *file, struct poll_table_struct *wait) { return POLLIN | POLLRDNORM | v4l2_ctrl_poll(file, wait); } diff --git a/drivers/media/platform/vivid/vivid-radio-rx.h b/drivers/media/platform/vivid/vivid-radio-rx.h index 1077d8f061eb..2b33edb60942 100644 --- a/drivers/media/platform/vivid/vivid-radio-rx.h +++ b/drivers/media/platform/vivid/vivid-radio-rx.h @@ -21,7 +21,7 @@ #define _VIVID_RADIO_RX_H_ ssize_t vivid_radio_rx_read(struct file *, char __user *, size_t, loff_t *); -unsigned int vivid_radio_rx_poll(struct file *file, struct poll_table_struct *wait); +__poll_t vivid_radio_rx_poll(struct file *file, struct poll_table_struct *wait); int vivid_radio_rx_enum_freq_bands(struct file *file, void *fh, struct v4l2_frequency_band *band); int vivid_radio_rx_s_hw_freq_seek(struct file *file, void *fh, const struct v4l2_hw_freq_seek *a); diff --git a/drivers/media/platform/vivid/vivid-radio-tx.c b/drivers/media/platform/vivid/vivid-radio-tx.c index 0e8025b7b4dd..f0917f4e7d8c 100644 --- a/drivers/media/platform/vivid/vivid-radio-tx.c +++ b/drivers/media/platform/vivid/vivid-radio-tx.c @@ -105,7 +105,7 @@ retry: return i; } -unsigned int vivid_radio_tx_poll(struct file *file, struct poll_table_struct *wait) +__poll_t vivid_radio_tx_poll(struct file *file, struct poll_table_struct *wait) { return POLLOUT | POLLWRNORM | v4l2_ctrl_poll(file, wait); } diff --git a/drivers/media/platform/vivid/vivid-radio-tx.h b/drivers/media/platform/vivid/vivid-radio-tx.h index 7f8ff7547119..3c3343d70cbc 100644 --- a/drivers/media/platform/vivid/vivid-radio-tx.h +++ b/drivers/media/platform/vivid/vivid-radio-tx.h @@ -21,7 +21,7 @@ #define _VIVID_RADIO_TX_H_ ssize_t vivid_radio_tx_write(struct file *, const char __user *, size_t, loff_t *); -unsigned int vivid_radio_tx_poll(struct file *file, struct poll_table_struct *wait); +__poll_t vivid_radio_tx_poll(struct file *file, struct poll_table_struct *wait); int vidioc_g_modulator(struct file *file, void *fh, struct v4l2_modulator *a); int vidioc_s_modulator(struct file *file, void *fh, const struct v4l2_modulator *a); diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c index 7575e5370a49..dba611003a00 100644 --- a/drivers/media/radio/radio-cadet.c +++ b/drivers/media/radio/radio-cadet.c @@ -481,11 +481,11 @@ static int cadet_release(struct file *file) return 0; } -static unsigned int cadet_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t cadet_poll(struct file *file, struct poll_table_struct *wait) { struct cadet *dev = video_drvdata(file); - unsigned long req_events = poll_requested_events(wait); - unsigned int res = v4l2_ctrl_poll(file, wait); + __poll_t req_events = poll_requested_events(wait); + __poll_t res = v4l2_ctrl_poll(file, wait); poll_wait(file, &dev->read_queue, wait); if (dev->rdsstat == 0 && (req_events & (POLLIN | POLLRDNORM))) { diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c index 271f725b17e8..248bd0ffc978 100644 --- a/drivers/media/radio/radio-si476x.c +++ b/drivers/media/radio/radio-si476x.c @@ -1149,12 +1149,12 @@ static ssize_t si476x_radio_fops_read(struct file *file, char __user *buf, return rval; } -static unsigned int si476x_radio_fops_poll(struct file *file, +static __poll_t si476x_radio_fops_poll(struct file *file, struct poll_table_struct *pts) { struct si476x_radio *radio = video_drvdata(file); - unsigned long req_events = poll_requested_events(pts); - unsigned int err = v4l2_ctrl_poll(file, pts); + __poll_t req_events = poll_requested_events(pts); + __poll_t err = v4l2_ctrl_poll(file, pts); if (req_events & (POLLIN | POLLRDNORM)) { if (atomic_read(&radio->core->is_alive)) diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c index 903fcd5e99c0..4cd4241fc7be 100644 --- a/drivers/media/radio/radio-wl1273.c +++ b/drivers/media/radio/radio-wl1273.c @@ -1089,7 +1089,7 @@ out: return r; } -static unsigned int wl1273_fm_fops_poll(struct file *file, +static __poll_t wl1273_fm_fops_poll(struct file *file, struct poll_table_struct *pts) { struct wl1273_device *radio = video_get_drvdata(video_devdata(file)); diff --git a/drivers/media/radio/si470x/radio-si470x-common.c b/drivers/media/radio/si470x/radio-si470x-common.c index c89a7d5b8c55..68fe9e5c7a70 100644 --- a/drivers/media/radio/si470x/radio-si470x-common.c +++ b/drivers/media/radio/si470x/radio-si470x-common.c @@ -507,12 +507,12 @@ done: /* * si470x_fops_poll - poll RDS data */ -static unsigned int si470x_fops_poll(struct file *file, +static __poll_t si470x_fops_poll(struct file *file, struct poll_table_struct *pts) { struct si470x_device *radio = video_drvdata(file); - unsigned long req_events = poll_requested_events(pts); - int retval = v4l2_ctrl_poll(file, pts); + __poll_t req_events = poll_requested_events(pts); + __poll_t retval = v4l2_ctrl_poll(file, pts); if (req_events & (POLLIN | POLLRDNORM)) { /* switch on rds reception */ diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c index fc5a7abc83d2..fd603c1b96bb 100644 --- a/drivers/media/radio/wl128x/fmdrv_v4l2.c +++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c @@ -102,7 +102,7 @@ static ssize_t fm_v4l2_fops_write(struct file *file, const char __user * buf, return sizeof(rds); } -static u32 fm_v4l2_fops_poll(struct file *file, struct poll_table_struct *pts) +static __poll_t fm_v4l2_fops_poll(struct file *file, struct poll_table_struct *pts) { int ret; struct fmdev *fmdev; diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index e16d1138ca48..aab53641838b 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -272,10 +272,10 @@ int lirc_dev_fop_close(struct inode *inode, struct file *file) } EXPORT_SYMBOL(lirc_dev_fop_close); -unsigned int lirc_dev_fop_poll(struct file *file, poll_table *wait) +__poll_t lirc_dev_fop_poll(struct file *file, poll_table *wait) { struct lirc_dev *d = file->private_data; - unsigned int ret; + __poll_t ret; if (!d->attached) return POLLHUP | POLLERR; diff --git a/drivers/media/usb/cpia2/cpia2.h b/drivers/media/usb/cpia2/cpia2.h index 81f72c0b561f..ab238ac8bfc0 100644 --- a/drivers/media/usb/cpia2/cpia2.h +++ b/drivers/media/usb/cpia2/cpia2.h @@ -444,7 +444,7 @@ int cpia2_allocate_buffers(struct camera_data *cam); void cpia2_free_buffers(struct camera_data *cam); long cpia2_read(struct camera_data *cam, char __user *buf, unsigned long count, int noblock); -unsigned int cpia2_poll(struct camera_data *cam, +__poll_t cpia2_poll(struct camera_data *cam, struct file *filp, poll_table *wait); int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma); void cpia2_set_property_flip(struct camera_data *cam, int prop_val); diff --git a/drivers/media/usb/cpia2/cpia2_core.c b/drivers/media/usb/cpia2/cpia2_core.c index 0efba0da0a45..e7524920c618 100644 --- a/drivers/media/usb/cpia2/cpia2_core.c +++ b/drivers/media/usb/cpia2/cpia2_core.c @@ -2370,10 +2370,10 @@ long cpia2_read(struct camera_data *cam, * cpia2_poll * *****************************************************************************/ -unsigned int cpia2_poll(struct camera_data *cam, struct file *filp, +__poll_t cpia2_poll(struct camera_data *cam, struct file *filp, poll_table *wait) { - unsigned int status = v4l2_ctrl_poll(filp, wait); + __poll_t status = v4l2_ctrl_poll(filp, wait); if ((poll_requested_events(wait) & (POLLIN | POLLRDNORM)) && !cam->streaming) { diff --git a/drivers/media/usb/cpia2/cpia2_v4l.c b/drivers/media/usb/cpia2/cpia2_v4l.c index 3dedd83f0b19..74c97565ccc6 100644 --- a/drivers/media/usb/cpia2/cpia2_v4l.c +++ b/drivers/media/usb/cpia2/cpia2_v4l.c @@ -169,10 +169,10 @@ static ssize_t cpia2_v4l_read(struct file *file, char __user *buf, size_t count, * cpia2_v4l_poll * *****************************************************************************/ -static unsigned int cpia2_v4l_poll(struct file *filp, struct poll_table_struct *wait) +static __poll_t cpia2_v4l_poll(struct file *filp, struct poll_table_struct *wait) { struct camera_data *cam = video_drvdata(filp); - unsigned int res; + __poll_t res; mutex_lock(&cam->v4l2_lock); res = cpia2_poll(cam, filp, wait); diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c index d538fa407742..103e3299b77f 100644 --- a/drivers/media/usb/cx231xx/cx231xx-417.c +++ b/drivers/media/usb/cx231xx/cx231xx-417.c @@ -1812,13 +1812,13 @@ static ssize_t mpeg_read(struct file *file, char __user *data, file->f_flags & O_NONBLOCK); } -static unsigned int mpeg_poll(struct file *file, +static __poll_t mpeg_poll(struct file *file, struct poll_table_struct *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct cx231xx_fh *fh = file->private_data; struct cx231xx *dev = fh->dev; - unsigned int res = 0; + __poll_t res = 0; if (v4l2_event_pending(&fh->fh)) res |= POLLPRI; diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c index 226059fc672b..d7b2e694bbb9 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -2006,12 +2006,12 @@ cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count, * cx231xx_v4l2_poll() * will allocate buffers when called for the first time */ -static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table *wait) +static __poll_t cx231xx_v4l2_poll(struct file *filp, poll_table *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct cx231xx_fh *fh = filp->private_data; struct cx231xx *dev = fh->dev; - unsigned res = 0; + __poll_t res = 0; int rc; rc = check_dev(dev); diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c index 961343873fd0..b72d02e225fd 100644 --- a/drivers/media/usb/gspca/gspca.c +++ b/drivers/media/usb/gspca/gspca.c @@ -1862,11 +1862,11 @@ out: return ret; } -static unsigned int dev_poll(struct file *file, poll_table *wait) +static __poll_t dev_poll(struct file *file, poll_table *wait) { struct gspca_dev *gspca_dev = video_drvdata(file); - unsigned long req_events = poll_requested_events(wait); - int ret = 0; + __poll_t req_events = poll_requested_events(wait); + __poll_t ret = 0; PDEBUG(D_FRAM, "poll"); diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c index 7fb036d6a86e..d0d638c2e900 100644 --- a/drivers/media/usb/hdpvr/hdpvr-video.c +++ b/drivers/media/usb/hdpvr/hdpvr-video.c @@ -521,12 +521,12 @@ err: return ret; } -static unsigned int hdpvr_poll(struct file *filp, poll_table *wait) +static __poll_t hdpvr_poll(struct file *filp, poll_table *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct hdpvr_buffer *buf = NULL; struct hdpvr_device *dev = video_drvdata(filp); - unsigned int mask = v4l2_ctrl_poll(filp, wait); + __poll_t mask = v4l2_ctrl_poll(filp, wait); if (!(req_events & (POLLIN | POLLRDNORM))) return mask; diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c index 4320bda9352d..11cdfe356801 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c @@ -1190,9 +1190,9 @@ static ssize_t pvr2_v4l2_read(struct file *file, } -static unsigned int pvr2_v4l2_poll(struct file *file, poll_table *wait) +static __poll_t pvr2_v4l2_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; struct pvr2_v4l2_fh *fh = file->private_data; int ret; diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index c0bba773db25..cba0916d33e5 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -721,10 +721,10 @@ static ssize_t v4l_stk_read(struct file *fp, char __user *buf, return ret; } -static unsigned int v4l_stk_poll(struct file *fp, poll_table *wait) +static __poll_t v4l_stk_poll(struct file *fp, poll_table *wait) { struct stk_camera *dev = video_drvdata(fp); - unsigned res = v4l2_ctrl_poll(fp, wait); + __poll_t res = v4l2_ctrl_poll(fp, wait); poll_wait(fp, &dev->wait_frame, wait); diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c index 9fa25de6b5a9..317bf5a3933e 100644 --- a/drivers/media/usb/tm6000/tm6000-video.c +++ b/drivers/media/usb/tm6000/tm6000-video.c @@ -1423,13 +1423,13 @@ tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) return 0; } -static unsigned int +static __poll_t __tm6000_poll(struct file *file, struct poll_table_struct *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct tm6000_fh *fh = file->private_data; struct tm6000_buffer *buf; - int res = 0; + __poll_t res = 0; if (v4l2_event_pending(&fh->fh)) res = POLLPRI; @@ -1457,11 +1457,11 @@ __tm6000_poll(struct file *file, struct poll_table_struct *wait) return res; } -static unsigned int tm6000_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t tm6000_poll(struct file *file, struct poll_table_struct *wait) { struct tm6000_fh *fh = file->private_data; struct tm6000_core *dev = fh->dev; - unsigned int res; + __poll_t res; mutex_lock(&dev->lock); res = __tm6000_poll(file, wait); diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index c8d78b2f3de4..692c463f14f7 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -340,10 +340,10 @@ unsigned long uvc_queue_get_unmapped_area(struct uvc_video_queue *queue, } #endif -unsigned int uvc_queue_poll(struct uvc_video_queue *queue, struct file *file, +__poll_t uvc_queue_poll(struct uvc_video_queue *queue, struct file *file, poll_table *wait) { - unsigned int ret; + __poll_t ret; mutex_lock(&queue->mutex); ret = vb2_poll(&queue->queue, file, wait); diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 3e7e283a44a8..381f614b2f4c 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -1284,36 +1284,30 @@ struct uvc_xu_control_mapping32 { static int uvc_v4l2_get_xu_mapping(struct uvc_xu_control_mapping *kp, const struct uvc_xu_control_mapping32 __user *up) { - compat_caddr_t p; + struct uvc_xu_control_mapping32 *p = (void *)kp; + compat_caddr_t info; + u32 count; - if (!access_ok(VERIFY_READ, up, sizeof(*up)) || - __copy_from_user(kp, up, offsetof(typeof(*up), menu_info)) || - __get_user(kp->menu_count, &up->menu_count)) + if (copy_from_user(p, up, sizeof(*p))) return -EFAULT; - memset(kp->reserved, 0, sizeof(kp->reserved)); - - if (kp->menu_count == 0) { - kp->menu_info = NULL; - return 0; - } - - if (__get_user(p, &up->menu_info)) - return -EFAULT; - kp->menu_info = compat_ptr(p); + count = p->menu_count; + info = p->menu_info; + memset(kp->reserved, 0, sizeof(kp->reserved)); + kp->menu_info = count ? compat_ptr(info) : NULL; + kp->menu_count = count; return 0; } static int uvc_v4l2_put_xu_mapping(const struct uvc_xu_control_mapping *kp, struct uvc_xu_control_mapping32 __user *up) { - if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) || - __copy_to_user(up, kp, offsetof(typeof(*up), menu_info)) || - __put_user(kp->menu_count, &up->menu_count)) + if (copy_to_user(up, kp, offsetof(typeof(*up), menu_info)) || + put_user(kp->menu_count, &up->menu_count)) return -EFAULT; - if (__clear_user(up->reserved, sizeof(up->reserved))) + if (clear_user(up->reserved, sizeof(up->reserved))) return -EFAULT; return 0; @@ -1330,31 +1324,26 @@ struct uvc_xu_control_query32 { static int uvc_v4l2_get_xu_query(struct uvc_xu_control_query *kp, const struct uvc_xu_control_query32 __user *up) { - compat_caddr_t p; + struct uvc_xu_control_query32 v; - if (!access_ok(VERIFY_READ, up, sizeof(*up)) || - __copy_from_user(kp, up, offsetof(typeof(*up), data))) + if (copy_from_user(&v, up, sizeof(v))) return -EFAULT; - if (kp->size == 0) { - kp->data = NULL; - return 0; - } - - if (__get_user(p, &up->data)) - return -EFAULT; - kp->data = compat_ptr(p); - + *kp = (struct uvc_xu_control_query){ + .unit = v.unit, + .selector = v.selector, + .query = v.query, + .size = v.size, + .data = v.size ? compat_ptr(v.data) : NULL + }; return 0; } static int uvc_v4l2_put_xu_query(const struct uvc_xu_control_query *kp, struct uvc_xu_control_query32 __user *up) { - if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) || - __copy_to_user(up, kp, offsetof(typeof(*up), data))) + if (copy_to_user(up, kp, offsetof(typeof(*up), data))) return -EFAULT; - return 0; } @@ -1423,7 +1412,7 @@ static int uvc_v4l2_mmap(struct file *file, struct vm_area_struct *vma) return uvc_queue_mmap(&stream->queue, vma); } -static unsigned int uvc_v4l2_poll(struct file *file, poll_table *wait) +static __poll_t uvc_v4l2_poll(struct file *file, poll_table *wait) { struct uvc_fh *handle = file->private_data; struct uvc_streaming *stream = handle->stream; diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 05398784d1c8..9b44a7cd5ec1 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -678,7 +678,7 @@ extern struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *buf); extern int uvc_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma); -extern unsigned int uvc_queue_poll(struct uvc_video_queue *queue, +extern __poll_t uvc_queue_poll(struct uvc_video_queue *queue, struct file *file, poll_table *wait); #ifndef CONFIG_MMU extern unsigned long uvc_queue_get_unmapped_area(struct uvc_video_queue *queue, diff --git a/drivers/media/usb/zr364xx/zr364xx.c b/drivers/media/usb/zr364xx/zr364xx.c index 1d888661fd03..8b7c19943d46 100644 --- a/drivers/media/usb/zr364xx/zr364xx.c +++ b/drivers/media/usb/zr364xx/zr364xx.c @@ -1287,12 +1287,12 @@ static int zr364xx_mmap(struct file *file, struct vm_area_struct *vma) return ret; } -static unsigned int zr364xx_poll(struct file *file, +static __poll_t zr364xx_poll(struct file *file, struct poll_table_struct *wait) { struct zr364xx_camera *cam = video_drvdata(file); struct videobuf_queue *q = &cam->vb_vidq; - unsigned res = v4l2_ctrl_poll(file, wait); + __poll_t res = v4l2_ctrl_poll(file, wait); _DBG("%s\n", __func__); diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index cbb2ef43945f..b07657149434 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -3457,7 +3457,7 @@ int v4l2_ctrl_subdev_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh, } EXPORT_SYMBOL(v4l2_ctrl_subdev_subscribe_event); -unsigned int v4l2_ctrl_poll(struct file *file, struct poll_table_struct *wait) +__poll_t v4l2_ctrl_poll(struct file *file, struct poll_table_struct *wait) { struct v4l2_fh *fh = file->private_data; diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index c647ba648805..8ad8c1627768 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -331,10 +331,10 @@ static ssize_t v4l2_write(struct file *filp, const char __user *buf, return ret; } -static unsigned int v4l2_poll(struct file *filp, struct poll_table_struct *poll) +static __poll_t v4l2_poll(struct file *filp, struct poll_table_struct *poll) { struct video_device *vdev = video_devdata(filp); - unsigned int res = POLLERR | POLLHUP; + __poll_t res = POLLERR | POLLHUP; if (!vdev->fops->poll) return DEFAULT_POLLMASK; diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index f62e68aa04c4..a879d11866bd 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -498,14 +498,14 @@ int v4l2_m2m_streamoff(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, } EXPORT_SYMBOL_GPL(v4l2_m2m_streamoff); -unsigned int v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, +__poll_t v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct poll_table_struct *wait) { struct video_device *vfd = video_devdata(file); - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct vb2_queue *src_q, *dst_q; struct vb2_buffer *src_vb = NULL, *dst_vb = NULL; - unsigned int rc = 0; + __poll_t rc = 0; unsigned long flags; if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) { @@ -792,11 +792,11 @@ int v4l2_m2m_fop_mmap(struct file *file, struct vm_area_struct *vma) } EXPORT_SYMBOL_GPL(v4l2_m2m_fop_mmap); -unsigned int v4l2_m2m_fop_poll(struct file *file, poll_table *wait) +__poll_t v4l2_m2m_fop_poll(struct file *file, poll_table *wait) { struct v4l2_fh *fh = file->private_data; struct v4l2_m2m_ctx *m2m_ctx = fh->m2m_ctx; - unsigned int ret; + __poll_t ret; if (m2m_ctx->q_lock) mutex_lock(m2m_ctx->q_lock); diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 43fefa73e0a3..28966fa8c610 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -469,7 +469,7 @@ static long subdev_compat_ioctl32(struct file *file, unsigned int cmd, } #endif -static unsigned int subdev_poll(struct file *file, poll_table *wait) +static __poll_t subdev_poll(struct file *file, poll_table *wait) { struct video_device *vdev = video_devdata(file); struct v4l2_subdev *sd = vdev_to_v4l2_subdev(vdev); diff --git a/drivers/media/v4l2-core/videobuf-core.c b/drivers/media/v4l2-core/videobuf-core.c index 1dbf6f7785bb..0c5b12b8bb52 100644 --- a/drivers/media/v4l2-core/videobuf-core.c +++ b/drivers/media/v4l2-core/videobuf-core.c @@ -1118,13 +1118,13 @@ done: } EXPORT_SYMBOL_GPL(videobuf_read_stream); -unsigned int videobuf_poll_stream(struct file *file, +__poll_t videobuf_poll_stream(struct file *file, struct videobuf_queue *q, poll_table *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct videobuf_buffer *buf = NULL; - unsigned int rc = 0; + __poll_t rc = 0; videobuf_queue_lock(q); if (q->streaming) { diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c index 0b5c43f7e020..f412429cf5ba 100644 --- a/drivers/media/v4l2-core/videobuf-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c @@ -185,12 +185,13 @@ static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma, dprintk(1, "init user [0x%lx+0x%lx => %d pages]\n", data, size, dma->nr_pages); - err = get_user_pages(data & PAGE_MASK, dma->nr_pages, + err = get_user_pages_longterm(data & PAGE_MASK, dma->nr_pages, flags, dma->pages, NULL); if (err != dma->nr_pages) { dma->nr_pages = (err >= 0) ? err : 0; - dprintk(1, "get_user_pages: err=%d [%d]\n", err, dma->nr_pages); + dprintk(1, "get_user_pages_longterm: err=%d [%d]\n", err, + dma->nr_pages); return err < 0 ? err : -EINVAL; } return 0; diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index cb115ba6a1d2..dc1f683c3b71 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -2018,10 +2018,10 @@ void vb2_core_queue_release(struct vb2_queue *q) } EXPORT_SYMBOL_GPL(vb2_core_queue_release); -unsigned int vb2_core_poll(struct vb2_queue *q, struct file *file, +__poll_t vb2_core_poll(struct vb2_queue *q, struct file *file, poll_table *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct vb2_buffer *vb = NULL; unsigned long flags; diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index 0c0669976bdc..d2b3a74d14fd 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -671,11 +671,11 @@ void vb2_queue_release(struct vb2_queue *q) } EXPORT_SYMBOL_GPL(vb2_queue_release); -unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait) +__poll_t vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait) { struct video_device *vfd = video_devdata(file); - unsigned long req_events = poll_requested_events(wait); - unsigned int res = 0; + __poll_t req_events = poll_requested_events(wait); + __poll_t res = 0; if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) { struct v4l2_fh *fh = file->private_data; @@ -904,12 +904,12 @@ exit: } EXPORT_SYMBOL_GPL(vb2_fop_read); -unsigned int vb2_fop_poll(struct file *file, poll_table *wait) +__poll_t vb2_fop_poll(struct file *file, poll_table *wait) { struct video_device *vdev = video_devdata(file); struct vb2_queue *q = vdev->queue; struct mutex *lock = q->lock ? q->lock : vdev->lock; - unsigned res; + __poll_t res; void *fileio; /* diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c index 7c11bad5cded..753b1a698fc4 100644 --- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -427,7 +427,7 @@ int cxl_fd_mmap(struct file *file, struct vm_area_struct *vm) return afu_mmap(file, vm); } EXPORT_SYMBOL_GPL(cxl_fd_mmap); -unsigned int cxl_fd_poll(struct file *file, struct poll_table_struct *poll) +__poll_t cxl_fd_poll(struct file *file, struct poll_table_struct *poll) { return afu_poll(file, poll); } diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index e46a4062904a..a798c2ccd67d 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -1081,7 +1081,7 @@ int afu_open(struct inode *inode, struct file *file); int afu_release(struct inode *inode, struct file *file); long afu_ioctl(struct file *file, unsigned int cmd, unsigned long arg); int afu_mmap(struct file *file, struct vm_area_struct *vm); -unsigned int afu_poll(struct file *file, struct poll_table_struct *poll); +__poll_t afu_poll(struct file *file, struct poll_table_struct *poll); ssize_t afu_read(struct file *file, char __user *buf, size_t count, loff_t *off); extern const struct file_operations afu_fops; diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c index 76c0b0ca9388..90341ccda9bd 100644 --- a/drivers/misc/cxl/file.c +++ b/drivers/misc/cxl/file.c @@ -354,10 +354,10 @@ static inline bool ctx_event_pending(struct cxl_context *ctx) return false; } -unsigned int afu_poll(struct file *file, struct poll_table_struct *poll) +__poll_t afu_poll(struct file *file, struct poll_table_struct *poll) { struct cxl_context *ctx = file->private_data; - int mask = 0; + __poll_t mask = 0; unsigned long flags; diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index bb7fd3f4edab..19969ee86d6f 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -2083,6 +2083,9 @@ static pci_ers_result_t cxl_vphb_error_detected(struct cxl_afu *afu, /* There should only be one entry, but go through the list * anyway */ + if (afu->phb == NULL) + return result; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (!afu_dev->driver) continue; @@ -2124,8 +2127,7 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev, * Tell the AFU drivers; but we don't care what they * say, we're going away. */ - if (afu->phb != NULL) - cxl_vphb_error_detected(afu, state); + cxl_vphb_error_detected(afu, state); } return PCI_ERS_RESULT_DISCONNECT; } @@ -2265,6 +2267,9 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev) if (cxl_afu_select_best_mode(afu)) goto err; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { /* Reset the device context. * TODO: make this less disruptive @@ -2327,6 +2332,9 @@ static void cxl_pci_resume(struct pci_dev *pdev) for (i = 0; i < adapter->slices; i++) { afu = adapter->afu[i]; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (afu_dev->driver && afu_dev->driver->err_handler && afu_dev->driver->err_handler->resume) diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index e0b4b36ef010..305a7a464d09 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -425,7 +425,8 @@ static ssize_t at24_eeprom_read_mac(struct at24_data *at24, char *buf, memset(msg, 0, sizeof(msg)); msg[0].addr = client->addr; msg[0].buf = addrbuf; - addrbuf[0] = 0x90 + offset; + /* EUI-48 starts from 0x9a, EUI-64 from 0x98 */ + addrbuf[0] = 0xa0 - at24->chip.byte_len + offset; msg[0].len = 1; msg[1].addr = client->addr; msg[1].flags = I2C_M_RD; @@ -568,6 +569,9 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count) if (unlikely(!count)) return count; + if (off + count > at24->chip.byte_len) + return -EINVAL; + client = at24_translate_offset(at24, &off); ret = pm_runtime_get_sync(&client->dev); @@ -613,6 +617,9 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count) if (unlikely(!count)) return -EINVAL; + if (off + count > at24->chip.byte_len) + return -EINVAL; + client = at24_translate_offset(at24, &off); ret = pm_runtime_get_sync(&client->dev); @@ -730,6 +737,16 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id) dev_warn(&client->dev, "page_size looks suspicious (no power of 2)!\n"); + /* + * REVISIT: the size of the EUI-48 byte array is 6 in at24mac402, while + * the call to ilog2() in AT24_DEVICE_MAGIC() rounds it down to 4. + * + * Eventually we'll get rid of the magic values altoghether in favor of + * real structs, but for now just manually set the right size. + */ + if (chip.flags & AT24_FLAG_MAC && chip.byte_len == 4) + chip.byte_len = 6; + /* Use I2C operations unless we're stuck with SMBus extensions. */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { if (chip.flags & AT24_FLAG_ADDR16) diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c index 097e3092c158..95ce3e891b1b 100644 --- a/drivers/misc/hpilo.c +++ b/drivers/misc/hpilo.c @@ -514,7 +514,7 @@ static ssize_t ilo_write(struct file *fp, const char __user *buf, return err ? -EFAULT : len; } -static unsigned int ilo_poll(struct file *fp, poll_table *wait) +static __poll_t ilo_poll(struct file *fp, poll_table *wait) { struct ccb_data *data = fp->private_data; struct ccb *driver_ccb = &data->driver_ccb; diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c index 8d53609861d8..e49888eab87d 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d.c +++ b/drivers/misc/lis3lv02d/lis3lv02d.c @@ -651,7 +651,7 @@ out: return retval; } -static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait) +static __poll_t lis3lv02d_misc_poll(struct file *file, poll_table *wait) { struct lis3lv02d *lis3 = container_of(file->private_data, struct lis3lv02d, miscdev); diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index e825f013e54e..505b710291e6 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -542,12 +542,12 @@ static long mei_compat_ioctl(struct file *file, * * Return: poll mask */ -static unsigned int mei_poll(struct file *file, poll_table *wait) +static __poll_t mei_poll(struct file *file, poll_table *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct mei_cl *cl = file->private_data; struct mei_device *dev; - unsigned int mask = 0; + __poll_t mask = 0; bool notify_en; if (WARN_ON(!cl || !cl->dev)) diff --git a/drivers/misc/mic/scif/scif_api.c b/drivers/misc/mic/scif/scif_api.c index ddc9e4b08b5c..8a3e48ec37dd 100644 --- a/drivers/misc/mic/scif/scif_api.c +++ b/drivers/misc/mic/scif/scif_api.c @@ -1311,10 +1311,10 @@ static inline void _scif_poll_wait(struct file *f, wait_queue_head_t *wq, spin_lock(&ep->lock); } -unsigned int +__poll_t __scif_pollfd(struct file *f, poll_table *wait, struct scif_endpt *ep) { - unsigned int mask = 0; + __poll_t mask = 0; dev_dbg(scif_info.mdev.this_device, "SCIFAPI pollfd: ep %p %s\n", ep, scif_ep_states[ep->state]); @@ -1389,7 +1389,8 @@ scif_poll(struct scif_pollepd *ufds, unsigned int nfds, long timeout_msecs) { struct poll_wqueues table; poll_table *pt; - int i, mask, count = 0, timed_out = timeout_msecs == 0; + int i, count = 0, timed_out = timeout_msecs == 0; + __poll_t mask; u64 timeout = timeout_msecs < 0 ? MAX_SCHEDULE_TIMEOUT : msecs_to_jiffies(timeout_msecs); diff --git a/drivers/misc/mic/scif/scif_epd.h b/drivers/misc/mic/scif/scif_epd.h index 1771d7a9b8d0..f39b663da287 100644 --- a/drivers/misc/mic/scif/scif_epd.h +++ b/drivers/misc/mic/scif/scif_epd.h @@ -203,7 +203,7 @@ void scif_clientrcvd(struct scif_dev *scifdev, struct scifmsg *msg); int __scif_connect(scif_epd_t epd, struct scif_port_id *dst, bool non_block); int __scif_flush(scif_epd_t epd); int scif_mmap(struct vm_area_struct *vma, scif_epd_t epd); -unsigned int __scif_pollfd(struct file *f, poll_table *wait, +__poll_t __scif_pollfd(struct file *f, poll_table *wait, struct scif_endpt *ep); int __scif_pin_pages(void *addr, size_t len, int *out_prot, int map_flags, scif_pinned_pages_t *pages); diff --git a/drivers/misc/mic/scif/scif_fd.c b/drivers/misc/mic/scif/scif_fd.c index f7e826142a72..5c2a57ae4f85 100644 --- a/drivers/misc/mic/scif/scif_fd.c +++ b/drivers/misc/mic/scif/scif_fd.c @@ -41,7 +41,7 @@ static int scif_fdmmap(struct file *f, struct vm_area_struct *vma) return scif_mmap(vma, priv); } -static unsigned int scif_fdpoll(struct file *f, poll_table *wait) +static __poll_t scif_fdpoll(struct file *f, poll_table *wait) { struct scif_endpt *priv = f->private_data; diff --git a/drivers/misc/mic/vop/vop_vringh.c b/drivers/misc/mic/vop/vop_vringh.c index fed992e2c258..4120ed8f0cae 100644 --- a/drivers/misc/mic/vop/vop_vringh.c +++ b/drivers/misc/mic/vop/vop_vringh.c @@ -1023,10 +1023,10 @@ __unlock_ret: * in the card->host (TX) path, when userspace is unblocked by poll it * must drain all available descriptors or it can stall. */ -static unsigned int vop_poll(struct file *f, poll_table *wait) +static __poll_t vop_poll(struct file *f, poll_table *wait) { struct vop_vdev *vdev = f->private_data; - int mask = 0; + __poll_t mask = 0; mutex_lock(&vdev->vdev_mutex); if (vop_vdev_inited(vdev)) { diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c index 30754927fd80..8fa68cf308e0 100644 --- a/drivers/misc/phantom.c +++ b/drivers/misc/phantom.c @@ -256,10 +256,10 @@ static int phantom_release(struct inode *inode, struct file *file) return 0; } -static unsigned int phantom_poll(struct file *file, poll_table *wait) +static __poll_t phantom_poll(struct file *file, poll_table *wait) { struct phantom_device *dev = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; pr_debug("phantom_poll: %d\n", atomic_read(&dev->counter)); poll_wait(file, &dev->wait, wait); diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c index 8a16a26e9658..6640e7651533 100644 --- a/drivers/misc/vmw_vmci/vmci_host.c +++ b/drivers/misc/vmw_vmci/vmci_host.c @@ -166,11 +166,11 @@ static int vmci_host_close(struct inode *inode, struct file *filp) * This is used to wake up the VMX when a VMCI call arrives, or * to wake up select() or poll() at the next clock tick. */ -static unsigned int vmci_host_poll(struct file *filp, poll_table *wait) +static __poll_t vmci_host_poll(struct file *filp, poll_table *wait) { struct vmci_host_dev *vmci_host_dev = filp->private_data; struct vmci_ctx *context = vmci_host_dev->context; - unsigned int mask = 0; + __poll_t mask = 0; if (vmci_host_dev->ct_type == VMCIOBJ_CONTEXT) { /* Check for VMCI calls to this VM context. */ diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index ea80ff4cd7f9..ccfa98af1dd3 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -122,6 +122,10 @@ struct mmc_blk_data { struct device_attribute force_ro; struct device_attribute power_ro_lock; int area_type; + + /* debugfs files (only in main mmc_blk_data) */ + struct dentry *status_dentry; + struct dentry *ext_csd_dentry; }; /* Device type for RPMB character devices */ @@ -233,9 +237,14 @@ static ssize_t power_ro_lock_store(struct device *dev, /* Dispatch locking to the block layer */ req = blk_get_request(mq->queue, REQ_OP_DRV_OUT, __GFP_RECLAIM); + if (IS_ERR(req)) { + count = PTR_ERR(req); + goto out_put; + } req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_BOOT_WP; blk_execute_rq(mq->queue, NULL, req, 0); ret = req_to_mmc_queue_req(req)->drv_op_result; + blk_put_request(req); if (!ret) { pr_info("%s: Locking boot partition ro until next power on\n", @@ -248,7 +257,7 @@ static ssize_t power_ro_lock_store(struct device *dev, set_disk_ro(part_md->disk, 1); } } - +out_put: mmc_blk_put(md); return count; } @@ -624,6 +633,10 @@ static int mmc_blk_ioctl_cmd(struct mmc_blk_data *md, req = blk_get_request(mq->queue, idata->ic.write_flag ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, __GFP_RECLAIM); + if (IS_ERR(req)) { + err = PTR_ERR(req); + goto cmd_done; + } idatas[0] = idata; req_to_mmc_queue_req(req)->drv_op = rpmb ? MMC_DRV_OP_IOCTL_RPMB : MMC_DRV_OP_IOCTL; @@ -691,6 +704,10 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md, req = blk_get_request(mq->queue, idata[0]->ic.write_flag ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, __GFP_RECLAIM); + if (IS_ERR(req)) { + err = PTR_ERR(req); + goto cmd_err; + } req_to_mmc_queue_req(req)->drv_op = rpmb ? MMC_DRV_OP_IOCTL_RPMB : MMC_DRV_OP_IOCTL; req_to_mmc_queue_req(req)->drv_op_data = idata; @@ -2550,6 +2567,8 @@ static int mmc_dbg_card_status_get(void *data, u64 *val) /* Ask the block layer about the card status */ req = blk_get_request(mq->queue, REQ_OP_DRV_IN, __GFP_RECLAIM); + if (IS_ERR(req)) + return PTR_ERR(req); req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_GET_CARD_STATUS; blk_execute_rq(mq->queue, NULL, req, 0); ret = req_to_mmc_queue_req(req)->drv_op_result; @@ -2557,6 +2576,7 @@ static int mmc_dbg_card_status_get(void *data, u64 *val) *val = ret; ret = 0; } + blk_put_request(req); return ret; } @@ -2583,10 +2603,15 @@ static int mmc_ext_csd_open(struct inode *inode, struct file *filp) /* Ask the block layer for the EXT CSD */ req = blk_get_request(mq->queue, REQ_OP_DRV_IN, __GFP_RECLAIM); + if (IS_ERR(req)) { + err = PTR_ERR(req); + goto out_free; + } req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_GET_EXT_CSD; req_to_mmc_queue_req(req)->drv_op_data = &ext_csd; blk_execute_rq(mq->queue, NULL, req, 0); err = req_to_mmc_queue_req(req)->drv_op_result; + blk_put_request(req); if (err) { pr_err("FAILED %d\n", err); goto out_free; @@ -2632,7 +2657,7 @@ static const struct file_operations mmc_dbg_ext_csd_fops = { .llseek = default_llseek, }; -static int mmc_blk_add_debugfs(struct mmc_card *card) +static int mmc_blk_add_debugfs(struct mmc_card *card, struct mmc_blk_data *md) { struct dentry *root; @@ -2642,28 +2667,53 @@ static int mmc_blk_add_debugfs(struct mmc_card *card) root = card->debugfs_root; if (mmc_card_mmc(card) || mmc_card_sd(card)) { - if (!debugfs_create_file("status", S_IRUSR, root, card, - &mmc_dbg_card_status_fops)) + md->status_dentry = + debugfs_create_file("status", S_IRUSR, root, card, + &mmc_dbg_card_status_fops); + if (!md->status_dentry) return -EIO; } if (mmc_card_mmc(card)) { - if (!debugfs_create_file("ext_csd", S_IRUSR, root, card, - &mmc_dbg_ext_csd_fops)) + md->ext_csd_dentry = + debugfs_create_file("ext_csd", S_IRUSR, root, card, + &mmc_dbg_ext_csd_fops); + if (!md->ext_csd_dentry) return -EIO; } return 0; } +static void mmc_blk_remove_debugfs(struct mmc_card *card, + struct mmc_blk_data *md) +{ + if (!card->debugfs_root) + return; + + if (!IS_ERR_OR_NULL(md->status_dentry)) { + debugfs_remove(md->status_dentry); + md->status_dentry = NULL; + } + + if (!IS_ERR_OR_NULL(md->ext_csd_dentry)) { + debugfs_remove(md->ext_csd_dentry); + md->ext_csd_dentry = NULL; + } +} #else -static int mmc_blk_add_debugfs(struct mmc_card *card) +static int mmc_blk_add_debugfs(struct mmc_card *card, struct mmc_blk_data *md) { return 0; } +static void mmc_blk_remove_debugfs(struct mmc_card *card, + struct mmc_blk_data *md) +{ +} + #endif /* CONFIG_DEBUG_FS */ static int mmc_blk_probe(struct mmc_card *card) @@ -2703,7 +2753,7 @@ static int mmc_blk_probe(struct mmc_card *card) } /* Add two debugfs entries */ - mmc_blk_add_debugfs(card); + mmc_blk_add_debugfs(card, md); pm_runtime_set_autosuspend_delay(&card->dev, 3000); pm_runtime_use_autosuspend(&card->dev); @@ -2729,6 +2779,7 @@ static void mmc_blk_remove(struct mmc_card *card) { struct mmc_blk_data *md = dev_get_drvdata(&card->dev); + mmc_blk_remove_debugfs(card, md); mmc_blk_remove_parts(card, md); pm_runtime_get_sync(&card->dev); mmc_claim_host(card->host); diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index a4b49e25fe96..7586ff2ad1f1 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -157,6 +157,9 @@ static int mmc_bus_suspend(struct device *dev) return ret; ret = host->bus_ops->suspend(host); + if (ret) + pm_generic_resume(dev); + return ret; } diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c index 01e459a34f33..0f4a7d7b2626 100644 --- a/drivers/mmc/core/debugfs.c +++ b/drivers/mmc/core/debugfs.c @@ -314,4 +314,5 @@ err: void mmc_remove_card_debugfs(struct mmc_card *card) { debugfs_remove_recursive(card->debugfs_root); + card->debugfs_root = NULL; } diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index a552f61060d2..d209fb466979 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -781,7 +781,7 @@ MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name); MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid); MMC_DEV_ATTR(prv, "0x%x\n", card->cid.prv); MMC_DEV_ATTR(rev, "0x%x\n", card->ext_csd.rev); -MMC_DEV_ATTR(pre_eol_info, "%02x\n", card->ext_csd.pre_eol_info); +MMC_DEV_ATTR(pre_eol_info, "0x%02x\n", card->ext_csd.pre_eol_info); MMC_DEV_ATTR(life_time, "0x%02x 0x%02x\n", card->ext_csd.device_life_time_est_typ_a, card->ext_csd.device_life_time_est_typ_b); @@ -791,7 +791,7 @@ MMC_DEV_ATTR(enhanced_area_offset, "%llu\n", MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size); MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult); MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors); -MMC_DEV_ATTR(ocr, "%08x\n", card->ocr); +MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr); MMC_DEV_ATTR(cmdq_en, "%d\n", card->ext_csd.cmdq_en); static ssize_t mmc_fwrev_show(struct device *dev, diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 45bf78f32716..62b84dd8f9fe 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -675,7 +675,7 @@ MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid); MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name); MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid); MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial); -MMC_DEV_ATTR(ocr, "%08x\n", card->ocr); +MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr); static ssize_t mmc_dsr_show(struct device *dev, diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 3fb7d2eec93f..c283291db705 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -29,6 +29,9 @@ #define CORE_VERSION_MAJOR_MASK (0xf << CORE_VERSION_MAJOR_SHIFT) #define CORE_VERSION_MINOR_MASK 0xff +#define CORE_MCI_GENERICS 0x70 +#define SWITCHABLE_SIGNALING_VOLTAGE BIT(29) + #define CORE_HC_MODE 0x78 #define HC_MODE_EN 0x1 #define CORE_POWER 0x0 @@ -1028,12 +1031,23 @@ static void sdhci_msm_check_power_status(struct sdhci_host *host, u32 req_type) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); bool done = false; + u32 val; pr_debug("%s: %s: request %d curr_pwr_state %x curr_io_level %x\n", mmc_hostname(host->mmc), __func__, req_type, msm_host->curr_pwr_state, msm_host->curr_io_level); /* + * The power interrupt will not be generated for signal voltage + * switches if SWITCHABLE_SIGNALING_VOLTAGE in MCI_GENERICS is not set. + */ + val = readl(msm_host->core_mem + CORE_MCI_GENERICS); + if ((req_type & REQ_IO_HIGH || req_type & REQ_IO_LOW) && + !(val & SWITCHABLE_SIGNALING_VOLTAGE)) { + return; + } + + /* * The IRQ for request type IO High/LOW will be generated when - * there is a state change in 1.8V enable bit (bit 3) of * SDHCI_HOST_CONTROL2 register. The reset state of that bit is 0 diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 2f14334e42df..e9290a3439d5 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -21,6 +21,7 @@ #include <linux/dma-mapping.h> #include <linux/slab.h> #include <linux/scatterlist.h> +#include <linux/swiotlb.h> #include <linux/regulator/consumer.h> #include <linux/pm_runtime.h> #include <linux/of.h> @@ -3651,22 +3652,29 @@ int sdhci_setup_host(struct sdhci_host *host) spin_lock_init(&host->lock); /* + * Maximum number of sectors in one transfer. Limited by SDMA boundary + * size (512KiB). Note some tuning modes impose a 4MiB limit, but this + * is less anyway. + */ + mmc->max_req_size = 524288; + + /* * Maximum number of segments. Depends on if the hardware * can do scatter/gather or not. */ - if (host->flags & SDHCI_USE_ADMA) + if (host->flags & SDHCI_USE_ADMA) { mmc->max_segs = SDHCI_MAX_SEGS; - else if (host->flags & SDHCI_USE_SDMA) + } else if (host->flags & SDHCI_USE_SDMA) { mmc->max_segs = 1; - else /* PIO */ + if (swiotlb_max_segment()) { + unsigned int max_req_size = (1 << IO_TLB_SHIFT) * + IO_TLB_SEGSIZE; + mmc->max_req_size = min(mmc->max_req_size, + max_req_size); + } + } else { /* PIO */ mmc->max_segs = SDHCI_MAX_SEGS; - - /* - * Maximum number of sectors in one transfer. Limited by SDMA boundary - * size (512KiB). Note some tuning modes impose a 4MiB limit, but this - * is less anyway. - */ - mmc->max_req_size = 524288; + } /* * Maximum segment size. Could be one segment with the maximum number diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c index e43fea896d1e..d58a61c09304 100644 --- a/drivers/mtd/mtdsuper.c +++ b/drivers/mtd/mtdsuper.c @@ -79,14 +79,14 @@ static struct dentry *mount_mtd_aux(struct file_system_type *fs_type, int flags, pr_debug("MTDSB: New superblock for device %d (\"%s\")\n", mtd->index, mtd->name); - ret = fill_super(sb, data, flags & MS_SILENT ? 1 : 0); + ret = fill_super(sb, data, flags & SB_SILENT ? 1 : 0); if (ret < 0) { deactivate_locked_super(sb); return ERR_PTR(ret); } /* go */ - sb->s_flags |= MS_ACTIVE; + sb->s_flags |= SB_ACTIVE; return dget(sb->s_root); /* new mountpoint for an already mounted superblock */ @@ -202,7 +202,7 @@ struct dentry *mount_mtd(struct file_system_type *fs_type, int flags, not_an_MTD_device: #endif /* CONFIG_BLOCK */ - if (!(flags & MS_SILENT)) + if (!(flags & SB_SILENT)) printk(KERN_NOTICE "MTD: Attempt to mount non-MTD device \"%s\"\n", dev_name); diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c index a1b33aa6054a..9697977b80f0 100644 --- a/drivers/net/bonding/bond_netlink.c +++ b/drivers/net/bonding/bond_netlink.c @@ -423,7 +423,7 @@ static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[], return -EINVAL; bond_opt_initval(&newval, - nla_get_be64(data[IFLA_BOND_AD_ACTOR_SYSTEM])); + nla_get_u64(data[IFLA_BOND_AD_ACTOR_SYSTEM])); err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYSTEM, &newval); if (err) return err; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 7ce1d4b7e67d..b13ce5ebde8d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -2136,8 +2136,8 @@ static int bnxt_get_module_eeprom(struct net_device *dev, /* Read A2 portion of the EEPROM */ if (length) { start -= ETH_MODULE_SFF_8436_LEN; - bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start, - length, data); + rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, + start, length, data); } return rc; } diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index d4496e9afcdf..8b2c31e2a2b0 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -1355,7 +1355,6 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *nic, struct snd_queue *sq, int qentry, /* Offload checksum calculation to HW */ if (skb->ip_summed == CHECKSUM_PARTIAL) { - hdr->csum_l3 = 1; /* Enable IP csum calculation */ hdr->l3_offset = skb_network_offset(skb); hdr->l4_offset = skb_transport_offset(skb); diff --git a/drivers/net/ethernet/intel/e1000/e1000_hw.c b/drivers/net/ethernet/intel/e1000/e1000_hw.c index 8172cf08cc33..3bac9df1c099 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_hw.c +++ b/drivers/net/ethernet/intel/e1000/e1000_hw.c @@ -4307,8 +4307,10 @@ static void e1000_init_rx_addrs(struct e1000_hw *hw) rar_num = E1000_RAR_ENTRIES; - /* Zero out the other 15 receive addresses. */ - e_dbg("Clearing RAR[1-15]\n"); + /* Zero out the following 14 receive addresses. RAR[15] is for + * manageability + */ + e_dbg("Clearing RAR[1-14]\n"); for (i = 1; i < rar_num; i++) { E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0); E1000_WRITE_FLUSH(); diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h index 67163ca898ba..00a36df02a3f 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.h +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h @@ -113,7 +113,8 @@ #define NVM_SIZE_MULTIPLIER 4096 /*multiplier for NVMS field */ #define E1000_FLASH_BASE_ADDR 0xE000 /*offset of NVM access regs */ #define E1000_CTRL_EXT_NVMVS 0x3 /*NVM valid sector */ -#define E1000_TARC0_CB_MULTIQ_3_REQ (1 << 28 | 1 << 29) +#define E1000_TARC0_CB_MULTIQ_3_REQ 0x30000000 +#define E1000_TARC0_CB_MULTIQ_2_REQ 0x20000000 #define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL #define E1000_ICH_RAR_ENTRIES 7 diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index f2f49239b015..9f18d39bdc8f 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -3034,9 +3034,12 @@ static void e1000_configure_tx(struct e1000_adapter *adapter) ew32(IOSFPC, reg_val); reg_val = er32(TARC(0)); - /* SPT and KBL Si errata workaround to avoid Tx hang */ - reg_val &= ~BIT(28); - reg_val |= BIT(29); + /* SPT and KBL Si errata workaround to avoid Tx hang. + * Dropping the number of outstanding requests from + * 3 to 2 in order to avoid a buffer overrun. + */ + reg_val &= ~E1000_TARC0_CB_MULTIQ_3_REQ; + reg_val |= E1000_TARC0_CB_MULTIQ_2_REQ; ew32(TARC(0), reg_val); } } diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 4c08cc86463e..321d8be80871 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -7401,7 +7401,6 @@ static int i40e_configure_clsflower(struct i40e_vsi *vsi, dev_err(&pf->pdev->dev, "Failed to add cloud filter, err %s\n", i40e_stat_str(&pf->hw, err)); - err = i40e_aq_rc_to_posix(err, pf->hw.aq.asq_last_status); goto err; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index a3dc9b932946..36cb8e068e85 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2086,7 +2086,7 @@ static int i40e_vc_request_queues_msg(struct i40e_vf *vf, u8 *msg, int msglen) } return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, 0, - (u8 *)vfres, sizeof(vfres)); + (u8 *)vfres, sizeof(*vfres)); } /** diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 6c20e811f973..d83a78be98a2 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -4629,11 +4629,6 @@ static void mvpp2_port_mii_gmac_configure_mode(struct mvpp2_port *port) MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE; val &= ~MVPP22_CTRL4_EXT_PIN_GMII_SEL; writel(val, port->base + MVPP22_GMAC_CTRL_4_REG); - - val = readl(port->base + MVPP2_GMAC_CTRL_2_REG); - val |= MVPP2_GMAC_DISABLE_PADDING; - val &= ~MVPP2_GMAC_FLOW_CTRL_MASK; - writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); } else if (phy_interface_mode_is_rgmii(port->phy_interface)) { val = readl(port->base + MVPP22_GMAC_CTRL_4_REG); val |= MVPP22_CTRL4_EXT_PIN_GMII_SEL | @@ -4641,10 +4636,6 @@ static void mvpp2_port_mii_gmac_configure_mode(struct mvpp2_port *port) MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE; val &= ~MVPP22_CTRL4_DP_CLK_SEL; writel(val, port->base + MVPP22_GMAC_CTRL_4_REG); - - val = readl(port->base + MVPP2_GMAC_CTRL_2_REG); - val &= ~MVPP2_GMAC_DISABLE_PADDING; - writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); } /* The port is connected to a copper PHY */ @@ -5805,7 +5796,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port, sizeof(*txq_pcpu->buffs), GFP_KERNEL); if (!txq_pcpu->buffs) - goto cleanup; + return -ENOMEM; txq_pcpu->count = 0; txq_pcpu->reserved_num = 0; @@ -5821,26 +5812,10 @@ static int mvpp2_txq_init(struct mvpp2_port *port, &txq_pcpu->tso_headers_dma, GFP_KERNEL); if (!txq_pcpu->tso_headers) - goto cleanup; + return -ENOMEM; } return 0; -cleanup: - for_each_present_cpu(cpu) { - txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); - kfree(txq_pcpu->buffs); - - dma_free_coherent(port->dev->dev.parent, - txq_pcpu->size * TSO_HEADER_SIZE, - txq_pcpu->tso_headers, - txq_pcpu->tso_headers_dma); - } - - dma_free_coherent(port->dev->dev.parent, - txq->size * MVPP2_DESC_ALIGNED_SIZE, - txq->descs, txq->descs_dma); - - return -ENOMEM; } /* Free allocated TXQ resources */ @@ -6867,6 +6842,12 @@ static int mvpp2_check_ringparam_valid(struct net_device *dev, else if (!IS_ALIGNED(ring->tx_pending, 32)) new_tx_pending = ALIGN(ring->tx_pending, 32); + /* The Tx ring size cannot be smaller than the minimum number of + * descriptors needed for TSO. + */ + if (new_tx_pending < MVPP2_MAX_SKB_DESCS) + new_tx_pending = ALIGN(MVPP2_MAX_SKB_DESCS, 32); + if (ring->rx_pending != new_rx_pending) { netdev_info(dev, "illegal Rx ring size value %d, round to %d\n", ring->rx_pending, new_rx_pending); @@ -8345,7 +8326,7 @@ static int mvpp2_probe(struct platform_device *pdev) for_each_available_child_of_node(dn, port_node) { err = mvpp2_port_probe(pdev, port_node, priv, i); if (err < 0) - goto err_mg_clk; + goto err_port_probe; i++; } @@ -8361,12 +8342,19 @@ static int mvpp2_probe(struct platform_device *pdev) priv->stats_queue = create_singlethread_workqueue(priv->queue_name); if (!priv->stats_queue) { err = -ENOMEM; - goto err_mg_clk; + goto err_port_probe; } platform_set_drvdata(pdev, priv); return 0; +err_port_probe: + i = 0; + for_each_available_child_of_node(dn, port_node) { + if (priv->port_list[i]) + mvpp2_port_remove(priv->port_list[i]); + i++; + } err_mg_clk: clk_disable_unprepare(priv->axi_clk); if (priv->hw_version == MVPP22) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 632c7b229054..72ef4f8025f0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -1370,8 +1370,9 @@ static void mlxsw_sp_netdevice_ipip_ol_down_event(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_ipip_entry_ol_down_event(mlxsw_sp, ipip_entry); } -static void mlxsw_sp_nexthop_rif_update(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_rif *rif); +static void mlxsw_sp_nexthop_rif_migrate(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *old_rif, + struct mlxsw_sp_rif *new_rif); static int mlxsw_sp_ipip_entry_ol_lb_update(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_ipip_entry *ipip_entry, @@ -1389,17 +1390,18 @@ mlxsw_sp_ipip_entry_ol_lb_update(struct mlxsw_sp *mlxsw_sp, return PTR_ERR(new_lb_rif); ipip_entry->ol_lb = new_lb_rif; - if (keep_encap) { - list_splice_init(&old_lb_rif->common.nexthop_list, - &new_lb_rif->common.nexthop_list); - mlxsw_sp_nexthop_rif_update(mlxsw_sp, &new_lb_rif->common); - } + if (keep_encap) + mlxsw_sp_nexthop_rif_migrate(mlxsw_sp, &old_lb_rif->common, + &new_lb_rif->common); mlxsw_sp_rif_destroy(&old_lb_rif->common); return 0; } +static void mlxsw_sp_nexthop_rif_update(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *rif); + /** * Update the offload related to an IPIP entry. This always updates decap, and * in addition to that it also: @@ -1449,9 +1451,27 @@ static int mlxsw_sp_netdevice_ipip_ol_vrf_event(struct mlxsw_sp *mlxsw_sp, { struct mlxsw_sp_ipip_entry *ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, ol_dev); + enum mlxsw_sp_l3proto ul_proto; + union mlxsw_sp_l3addr saddr; + u32 ul_tb_id; if (!ipip_entry) return 0; + + /* For flat configuration cases, moving overlay to a different VRF might + * cause local address conflict, and the conflicting tunnels need to be + * demoted. + */ + ul_tb_id = mlxsw_sp_ipip_dev_ul_tb_id(ol_dev); + ul_proto = mlxsw_sp->router->ipip_ops_arr[ipip_entry->ipipt]->ul_proto; + saddr = mlxsw_sp_ipip_netdev_saddr(ul_proto, ol_dev); + if (mlxsw_sp_ipip_demote_tunnel_by_saddr(mlxsw_sp, ul_proto, + saddr, ul_tb_id, + ipip_entry)) { + mlxsw_sp_ipip_entry_demote_tunnel(mlxsw_sp, ipip_entry); + return 0; + } + return __mlxsw_sp_ipip_entry_update_tunnel(mlxsw_sp, ipip_entry, true, false, false, extack); } @@ -3343,22 +3363,19 @@ static bool mlxsw_sp_ipip_netdev_ul_up(struct net_device *ol_dev) return ul_dev ? (ul_dev->flags & IFF_UP) : true; } -static int mlxsw_sp_nexthop_ipip_init(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_nexthop *nh, - struct net_device *ol_dev) +static void mlxsw_sp_nexthop_ipip_init(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_nexthop *nh, + struct mlxsw_sp_ipip_entry *ipip_entry) { bool removing; if (!nh->nh_grp->gateway || nh->ipip_entry) - return 0; - - nh->ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, ol_dev); - if (!nh->ipip_entry) - return -ENOENT; + return; - removing = !mlxsw_sp_ipip_netdev_ul_up(ol_dev); + nh->ipip_entry = ipip_entry; + removing = !mlxsw_sp_ipip_netdev_ul_up(ipip_entry->ol_dev); __mlxsw_sp_nexthop_neigh_update(nh, removing); - return 0; + mlxsw_sp_nexthop_rif_init(nh, &ipip_entry->ol_lb->common); } static void mlxsw_sp_nexthop_ipip_fini(struct mlxsw_sp *mlxsw_sp, @@ -3403,21 +3420,21 @@ static int mlxsw_sp_nexthop4_type_init(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_nexthop *nh, struct fib_nh *fib_nh) { - struct mlxsw_sp_router *router = mlxsw_sp->router; + const struct mlxsw_sp_ipip_ops *ipip_ops; struct net_device *dev = fib_nh->nh_dev; - enum mlxsw_sp_ipip_type ipipt; + struct mlxsw_sp_ipip_entry *ipip_entry; struct mlxsw_sp_rif *rif; int err; - if (mlxsw_sp_nexthop4_ipip_type(mlxsw_sp, fib_nh, &ipipt) && - router->ipip_ops_arr[ipipt]->can_offload(mlxsw_sp, dev, - MLXSW_SP_L3_PROTO_IPV4)) { - nh->type = MLXSW_SP_NEXTHOP_TYPE_IPIP; - err = mlxsw_sp_nexthop_ipip_init(mlxsw_sp, nh, dev); - if (err) - return err; - mlxsw_sp_nexthop_rif_init(nh, &nh->ipip_entry->ol_lb->common); - return 0; + ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, dev); + if (ipip_entry) { + ipip_ops = mlxsw_sp->router->ipip_ops_arr[ipip_entry->ipipt]; + if (ipip_ops->can_offload(mlxsw_sp, dev, + MLXSW_SP_L3_PROTO_IPV4)) { + nh->type = MLXSW_SP_NEXTHOP_TYPE_IPIP; + mlxsw_sp_nexthop_ipip_init(mlxsw_sp, nh, ipip_entry); + return 0; + } } nh->type = MLXSW_SP_NEXTHOP_TYPE_ETH; @@ -3545,6 +3562,18 @@ static void mlxsw_sp_nexthop_rif_update(struct mlxsw_sp *mlxsw_sp, } } +static void mlxsw_sp_nexthop_rif_migrate(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_rif *old_rif, + struct mlxsw_sp_rif *new_rif) +{ + struct mlxsw_sp_nexthop *nh; + + list_splice_init(&old_rif->nexthop_list, &new_rif->nexthop_list); + list_for_each_entry(nh, &new_rif->nexthop_list, rif_list_node) + nh->rif = new_rif; + mlxsw_sp_nexthop_rif_update(mlxsw_sp, new_rif); +} + static void mlxsw_sp_nexthop_rif_gone_sync(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_rif *rif) { @@ -3996,7 +4025,7 @@ mlxsw_sp_fib4_entry_type_set(struct mlxsw_sp *mlxsw_sp, case RTN_LOCAL: ipip_entry = mlxsw_sp_ipip_entry_find_by_decap(mlxsw_sp, dev, MLXSW_SP_L3_PROTO_IPV4, dip); - if (ipip_entry) { + if (ipip_entry && ipip_entry->ol_dev->flags & IFF_UP) { fib_entry->type = MLXSW_SP_FIB_ENTRY_TYPE_IPIP_DECAP; return mlxsw_sp_fib_entry_decap_init(mlxsw_sp, fib_entry, @@ -4694,21 +4723,21 @@ static int mlxsw_sp_nexthop6_type_init(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_nexthop *nh, const struct rt6_info *rt) { - struct mlxsw_sp_router *router = mlxsw_sp->router; + const struct mlxsw_sp_ipip_ops *ipip_ops; + struct mlxsw_sp_ipip_entry *ipip_entry; struct net_device *dev = rt->dst.dev; - enum mlxsw_sp_ipip_type ipipt; struct mlxsw_sp_rif *rif; int err; - if (mlxsw_sp_nexthop6_ipip_type(mlxsw_sp, rt, &ipipt) && - router->ipip_ops_arr[ipipt]->can_offload(mlxsw_sp, dev, - MLXSW_SP_L3_PROTO_IPV6)) { - nh->type = MLXSW_SP_NEXTHOP_TYPE_IPIP; - err = mlxsw_sp_nexthop_ipip_init(mlxsw_sp, nh, dev); - if (err) - return err; - mlxsw_sp_nexthop_rif_init(nh, &nh->ipip_entry->ol_lb->common); - return 0; + ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, dev); + if (ipip_entry) { + ipip_ops = mlxsw_sp->router->ipip_ops_arr[ipip_entry->ipipt]; + if (ipip_ops->can_offload(mlxsw_sp, dev, + MLXSW_SP_L3_PROTO_IPV6)) { + nh->type = MLXSW_SP_NEXTHOP_TYPE_IPIP; + mlxsw_sp_nexthop_ipip_init(mlxsw_sp, nh, ipip_entry); + return 0; + } } nh->type = MLXSW_SP_NEXTHOP_TYPE_ETH; diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index ac8439ceea10..481876b5424c 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -1986,9 +1986,9 @@ static void nv_unmap_txskb(struct fe_priv *np, struct nv_skb_map *tx_skb) tx_skb->dma_len, DMA_TO_DEVICE); else - pci_unmap_page(np->pci_dev, tx_skb->dma, + dma_unmap_page(&np->pci_dev->dev, tx_skb->dma, tx_skb->dma_len, - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); tx_skb->dma = 0; } } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c index 61cb24810d10..9e6db16af663 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c @@ -1,8 +1,8 @@ /* * dwmac-stm32.c - DWMAC Specific Glue layer for STM32 MCU * - * Copyright (C) Alexandre Torgue 2015 - * Author: Alexandre Torgue <alexandre.torgue@gmail.com> + * Copyright (C) STMicroelectronics SA 2017 + * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics. * License terms: GNU General Public License (GPL), version 2 * */ diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 83e6f76eb965..33949248c829 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -995,8 +995,8 @@ static int rhine_init_one_common(struct device *hwdev, u32 quirks, else name = "Rhine III"; - netdev_info(dev, "VIA %s at 0x%lx, %pM, IRQ %d\n", - name, (long)ioaddr, dev->dev_addr, rp->irq); + netdev_info(dev, "VIA %s at %p, %pM, IRQ %d\n", + name, ioaddr, dev->dev_addr, rp->irq); dev_set_drvdata(hwdev, dev); diff --git a/drivers/net/ethernet/xilinx/Kconfig b/drivers/net/ethernet/xilinx/Kconfig index 6d68c8a8f4f2..da4ec575ccf9 100644 --- a/drivers/net/ethernet/xilinx/Kconfig +++ b/drivers/net/ethernet/xilinx/Kconfig @@ -34,6 +34,7 @@ config XILINX_AXI_EMAC config XILINX_LL_TEMAC tristate "Xilinx LL TEMAC (LocalLink Tri-mode Ethernet MAC) driver" depends on (PPC || MICROBLAZE) + depends on !64BIT || BROKEN select PHYLIB ---help--- This driver supports the Xilinx 10/100/1000 LocalLink TEMAC diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index 7900ed066d8a..e412dfdda7dd 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -2638,12 +2638,12 @@ static long ca8210_test_int_ioctl( * * Return: set of poll return flags */ -static unsigned int ca8210_test_int_poll( +static __poll_t ca8210_test_int_poll( struct file *filp, struct poll_table_struct *ptable ) { - unsigned int return_flags = 0; + __poll_t return_flags = 0; struct ca8210_priv *priv = filp->private_data; poll_wait(filp, &priv->test.readq, ptable); diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index aebc08beceba..21b3f36e023a 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -16,6 +16,7 @@ * link takes priority and the other port is completely locked out. */ #include <linux/phy.h> +#include <linux/marvell_phy.h> enum { MV_PCS_BASE_T = 0x0000, @@ -338,7 +339,7 @@ static int mv3310_read_status(struct phy_device *phydev) static struct phy_driver mv3310_drivers[] = { { .phy_id = 0x002b09aa, - .phy_id_mask = 0xffffffff, + .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "mv88x3310", .features = SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Full | @@ -360,7 +361,7 @@ static struct phy_driver mv3310_drivers[] = { module_phy_driver(mv3310_drivers); static struct mdio_device_id __maybe_unused mv3310_tbl[] = { - { 0x002b09aa, 0xffffffff }, + { 0x002b09aa, MARVELL_PHY_ID_MASK }, { }, }; MODULE_DEVICE_TABLE(mdio, mv3310_tbl); diff --git a/drivers/net/ppp/ppp_async.c b/drivers/net/ppp/ppp_async.c index 1b28e6e702f5..bdc4d23627c5 100644 --- a/drivers/net/ppp/ppp_async.c +++ b/drivers/net/ppp/ppp_async.c @@ -334,7 +334,7 @@ ppp_asynctty_ioctl(struct tty_struct *tty, struct file *file, } /* No kernel lock - fine */ -static unsigned int +static __poll_t ppp_asynctty_poll(struct tty_struct *tty, struct file *file, poll_table *wait) { return 0; diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index d8e5747ff4e3..422723230f8b 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -531,10 +531,10 @@ static ssize_t ppp_write(struct file *file, const char __user *buf, } /* No kernel lock - fine */ -static unsigned int ppp_poll(struct file *file, poll_table *wait) +static __poll_t ppp_poll(struct file *file, poll_table *wait) { struct ppp_file *pf = file->private_data; - unsigned int mask; + __poll_t mask; if (!pf) return 0; diff --git a/drivers/net/ppp/ppp_synctty.c b/drivers/net/ppp/ppp_synctty.c index 7196f00f0991..047f6c68a441 100644 --- a/drivers/net/ppp/ppp_synctty.c +++ b/drivers/net/ppp/ppp_synctty.c @@ -327,7 +327,7 @@ ppp_synctty_ioctl(struct tty_struct *tty, struct file *file, } /* No kernel lock - fine */ -static unsigned int +static __poll_t ppp_sync_poll(struct tty_struct *tty, struct file *file, poll_table *wait) { return 0; diff --git a/drivers/net/tap.c b/drivers/net/tap.c index e9489b88407c..c4e91c73568e 100644 --- a/drivers/net/tap.c +++ b/drivers/net/tap.c @@ -572,10 +572,10 @@ static int tap_release(struct inode *inode, struct file *file) return 0; } -static unsigned int tap_poll(struct file *file, poll_table *wait) +static __poll_t tap_poll(struct file *file, poll_table *wait) { struct tap_queue *q = file->private_data; - unsigned int mask = POLLERR; + __poll_t mask = POLLERR; if (!q) goto out; diff --git a/drivers/net/thunderbolt.c b/drivers/net/thunderbolt.c index 228d4aa6d9ae..ca5e375de27c 100644 --- a/drivers/net/thunderbolt.c +++ b/drivers/net/thunderbolt.c @@ -335,7 +335,7 @@ static void tbnet_free_buffers(struct tbnet_ring *ring) if (ring->ring->is_tx) { dir = DMA_TO_DEVICE; order = 0; - size = tbnet_frame_size(tf); + size = TBNET_FRAME_SIZE; } else { dir = DMA_FROM_DEVICE; order = TBNET_RX_PAGE_ORDER; @@ -512,6 +512,7 @@ err_free: static struct tbnet_frame *tbnet_get_tx_buffer(struct tbnet *net) { struct tbnet_ring *ring = &net->tx_ring; + struct device *dma_dev = tb_ring_dma_device(ring->ring); struct tbnet_frame *tf; unsigned int index; @@ -522,7 +523,9 @@ static struct tbnet_frame *tbnet_get_tx_buffer(struct tbnet *net) tf = &ring->frames[index]; tf->frame.size = 0; - tf->frame.buffer_phy = 0; + + dma_sync_single_for_cpu(dma_dev, tf->frame.buffer_phy, + tbnet_frame_size(tf), DMA_TO_DEVICE); return tf; } @@ -531,13 +534,8 @@ static void tbnet_tx_callback(struct tb_ring *ring, struct ring_frame *frame, bool canceled) { struct tbnet_frame *tf = container_of(frame, typeof(*tf), frame); - struct device *dma_dev = tb_ring_dma_device(ring); struct tbnet *net = netdev_priv(tf->dev); - dma_unmap_page(dma_dev, tf->frame.buffer_phy, tbnet_frame_size(tf), - DMA_TO_DEVICE); - tf->frame.buffer_phy = 0; - /* Return buffer to the ring */ net->tx_ring.prod++; @@ -548,10 +546,12 @@ static void tbnet_tx_callback(struct tb_ring *ring, struct ring_frame *frame, static int tbnet_alloc_tx_buffers(struct tbnet *net) { struct tbnet_ring *ring = &net->tx_ring; + struct device *dma_dev = tb_ring_dma_device(ring->ring); unsigned int i; for (i = 0; i < TBNET_RING_SIZE; i++) { struct tbnet_frame *tf = &ring->frames[i]; + dma_addr_t dma_addr; tf->page = alloc_page(GFP_KERNEL); if (!tf->page) { @@ -559,7 +559,17 @@ static int tbnet_alloc_tx_buffers(struct tbnet *net) return -ENOMEM; } + dma_addr = dma_map_page(dma_dev, tf->page, 0, TBNET_FRAME_SIZE, + DMA_TO_DEVICE); + if (dma_mapping_error(dma_dev, dma_addr)) { + __free_page(tf->page); + tf->page = NULL; + tbnet_free_buffers(ring); + return -ENOMEM; + } + tf->dev = net->dev; + tf->frame.buffer_phy = dma_addr; tf->frame.callback = tbnet_tx_callback; tf->frame.sof = TBIP_PDF_FRAME_START; tf->frame.eof = TBIP_PDF_FRAME_END; @@ -881,19 +891,6 @@ static int tbnet_stop(struct net_device *dev) return 0; } -static bool tbnet_xmit_map(struct device *dma_dev, struct tbnet_frame *tf) -{ - dma_addr_t dma_addr; - - dma_addr = dma_map_page(dma_dev, tf->page, 0, tbnet_frame_size(tf), - DMA_TO_DEVICE); - if (dma_mapping_error(dma_dev, dma_addr)) - return false; - - tf->frame.buffer_phy = dma_addr; - return true; -} - static bool tbnet_xmit_csum_and_map(struct tbnet *net, struct sk_buff *skb, struct tbnet_frame **frames, u32 frame_count) { @@ -908,13 +905,14 @@ static bool tbnet_xmit_csum_and_map(struct tbnet *net, struct sk_buff *skb, if (skb->ip_summed != CHECKSUM_PARTIAL) { /* No need to calculate checksum so we just update the - * total frame count and map the frames for DMA. + * total frame count and sync the frames for DMA. */ for (i = 0; i < frame_count; i++) { hdr = page_address(frames[i]->page); hdr->frame_count = cpu_to_le32(frame_count); - if (!tbnet_xmit_map(dma_dev, frames[i])) - goto err_unmap; + dma_sync_single_for_device(dma_dev, + frames[i]->frame.buffer_phy, + tbnet_frame_size(frames[i]), DMA_TO_DEVICE); } return true; @@ -983,21 +981,14 @@ static bool tbnet_xmit_csum_and_map(struct tbnet *net, struct sk_buff *skb, *tucso = csum_fold(wsum); /* Checksum is finally calculated and we don't touch the memory - * anymore, so DMA map the frames now. + * anymore, so DMA sync the frames now. */ for (i = 0; i < frame_count; i++) { - if (!tbnet_xmit_map(dma_dev, frames[i])) - goto err_unmap; + dma_sync_single_for_device(dma_dev, frames[i]->frame.buffer_phy, + tbnet_frame_size(frames[i]), DMA_TO_DEVICE); } return true; - -err_unmap: - while (i--) - dma_unmap_page(dma_dev, frames[i]->frame.buffer_phy, - tbnet_frame_size(frames[i]), DMA_TO_DEVICE); - - return false; } static void *tbnet_kmap_frag(struct sk_buff *skb, unsigned int frag_num, diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 95749006d687..130b049ac3da 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1248,12 +1248,12 @@ static void tun_net_init(struct net_device *dev) /* Character device part */ /* Poll */ -static unsigned int tun_chr_poll(struct file *file, poll_table *wait) +static __poll_t tun_chr_poll(struct file *file, poll_table *wait) { struct tun_file *tfile = file->private_data; struct tun_struct *tun = tun_get(tfile); struct sock *sk; - unsigned int mask = 0; + __poll_t mask = 0; if (!tun) return POLLERR; diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 7ac487031b4b..19b9cc51079e 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -874,8 +874,8 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], static int __vxlan_fdb_delete(struct vxlan_dev *vxlan, const unsigned char *addr, union vxlan_addr ip, - __be16 port, __be32 src_vni, u32 vni, u32 ifindex, - u16 vid) + __be16 port, __be32 src_vni, __be32 vni, + u32 ifindex, u16 vid) { struct vxlan_fdb *f; struct vxlan_rdst *rd = NULL; diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c index 6ea16260ec76..f6b000ddcd15 100644 --- a/drivers/net/wan/cosa.c +++ b/drivers/net/wan/cosa.c @@ -924,7 +924,7 @@ static int chrdev_tx_done(struct channel_data *chan, int size) return 1; } -static unsigned int cosa_poll(struct file *file, poll_table *poll) +static __poll_t cosa_poll(struct file *file, poll_table *poll) { pr_info("cosa_poll is here\n"); return 0; diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c index 37b1e0d03e31..90a4ad9a2d08 100644 --- a/drivers/net/wan/lmc/lmc_main.c +++ b/drivers/net/wan/lmc/lmc_main.c @@ -494,18 +494,11 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; } - data = kmalloc(xc.len, GFP_KERNEL); - if (!data) { - ret = -ENOMEM; + data = memdup_user(xc.data, xc.len); + if (IS_ERR(data)) { + ret = PTR_ERR(data); break; } - - if(copy_from_user(data, xc.data, xc.len)) - { - kfree(data); - ret = -ENOMEM; - break; - } printk("%s: Starting load of data Len: %d at 0x%p == 0x%p\n", dev->name, xc.len, xc.data, data); diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c index dfb26f03c1a2..1b05b5d7a038 100644 --- a/drivers/net/wireless/ath/ath9k/channel.c +++ b/drivers/net/wireless/ath/ath9k/channel.c @@ -1113,7 +1113,7 @@ ath_chanctx_send_vif_ps_frame(struct ath_softc *sc, struct ath_vif *avp, if (!avp->assoc) return false; - skb = ieee80211_nullfunc_get(sc->hw, vif); + skb = ieee80211_nullfunc_get(sc->hw, vif, false); if (!skb) return false; diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c b/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c index f4fdad2ed319..72c55d1f8903 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00debug.c @@ -301,7 +301,7 @@ exit: return status; } -static unsigned int rt2x00debug_poll_queue_dump(struct file *file, +static __poll_t rt2x00debug_poll_queue_dump(struct file *file, poll_table *wait) { struct rt2x00debug_intf *intf = file->private_data; diff --git a/drivers/net/wireless/st/cw1200/sta.c b/drivers/net/wireless/st/cw1200/sta.c index 03687a80d6e9..38678e9a0562 100644 --- a/drivers/net/wireless/st/cw1200/sta.c +++ b/drivers/net/wireless/st/cw1200/sta.c @@ -198,7 +198,7 @@ void __cw1200_cqm_bssloss_sm(struct cw1200_common *priv, priv->bss_loss_state++; - skb = ieee80211_nullfunc_get(priv->hw, priv->vif); + skb = ieee80211_nullfunc_get(priv->hw, priv->vif, false); WARN_ON(!skb); if (skb) cw1200_tx(priv->hw, NULL, skb); @@ -2265,7 +2265,7 @@ static int cw1200_upload_null(struct cw1200_common *priv) .rate = 0xFF, }; - frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif); + frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif, false); if (!frame.skb) return -ENOMEM; diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c index 9915d83a4a30..6d02c660b4ab 100644 --- a/drivers/net/wireless/ti/wl1251/main.c +++ b/drivers/net/wireless/ti/wl1251/main.c @@ -566,7 +566,7 @@ static int wl1251_build_null_data(struct wl1251 *wl) size = sizeof(struct wl12xx_null_data_template); ptr = NULL; } else { - skb = ieee80211_nullfunc_get(wl->hw, wl->vif); + skb = ieee80211_nullfunc_get(wl->hw, wl->vif, false); if (!skb) goto out; size = skb->len; diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 2bfc12fdc929..761cf8573a80 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -1069,7 +1069,8 @@ int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) ptr = NULL; } else { skb = ieee80211_nullfunc_get(wl->hw, - wl12xx_wlvif_to_vif(wlvif)); + wl12xx_wlvif_to_vif(wlvif), + false); if (!skb) goto out; size = skb->len; @@ -1096,7 +1097,7 @@ int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, struct sk_buff *skb = NULL; int ret = -ENOMEM; - skb = ieee80211_nullfunc_get(wl->hw, vif); + skb = ieee80211_nullfunc_get(wl->hw, vif, false); if (!skb) goto out; diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 18c85e55e76a..c5a34671abda 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -87,6 +87,8 @@ struct netfront_cb { /* IRQ name is queue name with "-tx" or "-rx" appended */ #define IRQ_NAME_SIZE (QUEUE_NAME_SIZE + 3) +static DECLARE_WAIT_QUEUE_HEAD(module_unload_q); + struct netfront_stats { u64 packets; u64 bytes; @@ -2020,10 +2022,12 @@ static void netback_changed(struct xenbus_device *dev, break; case XenbusStateClosed: + wake_up_all(&module_unload_q); if (dev->state == XenbusStateClosed) break; /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: + wake_up_all(&module_unload_q); xenbus_frontend_closed(dev); break; } @@ -2129,6 +2133,20 @@ static int xennet_remove(struct xenbus_device *dev) dev_dbg(&dev->dev, "%s\n", dev->nodename); + if (xenbus_read_driver_state(dev->otherend) != XenbusStateClosed) { + xenbus_switch_state(dev, XenbusStateClosing); + wait_event(module_unload_q, + xenbus_read_driver_state(dev->otherend) == + XenbusStateClosing); + + xenbus_switch_state(dev, XenbusStateClosed); + wait_event(module_unload_q, + xenbus_read_driver_state(dev->otherend) == + XenbusStateClosed || + xenbus_read_driver_state(dev->otherend) == + XenbusStateUnknown); + } + xennet_disconnect_backend(info); unregister_netdev(info->netdev); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 25da74d310d1..f837d666cbd4 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1449,19 +1449,19 @@ static int nvme_pr_command(struct block_device *bdev, u32 cdw10, int srcu_idx, ret; u8 data[16] = { 0, }; + ns = nvme_get_ns_from_disk(bdev->bd_disk, &head, &srcu_idx); + if (unlikely(!ns)) + return -EWOULDBLOCK; + put_unaligned_le64(key, &data[0]); put_unaligned_le64(sa_key, &data[8]); memset(&c, 0, sizeof(c)); c.common.opcode = op; - c.common.nsid = cpu_to_le32(head->ns_id); + c.common.nsid = cpu_to_le32(ns->head->ns_id); c.common.cdw10[0] = cpu_to_le32(cdw10); - ns = nvme_get_ns_from_disk(bdev->bd_disk, &head, &srcu_idx); - if (unlikely(!ns)) - ret = -EWOULDBLOCK; - else - ret = nvme_submit_sync_cmd(ns->queue, &c, data, 16); + ret = nvme_submit_sync_cmd(ns->queue, &c, data, 16); nvme_put_ns_from_disk(head, srcu_idx); return ret; } @@ -2961,8 +2961,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) static void nvme_ns_remove(struct nvme_ns *ns) { - struct nvme_ns_head *head = ns->head; - if (test_and_set_bit(NVME_NS_REMOVING, &ns->flags)) return; @@ -2980,15 +2978,14 @@ static void nvme_ns_remove(struct nvme_ns *ns) mutex_lock(&ns->ctrl->subsys->lock); nvme_mpath_clear_current_path(ns); - if (head) - list_del_rcu(&ns->siblings); + list_del_rcu(&ns->siblings); mutex_unlock(&ns->ctrl->subsys->lock); mutex_lock(&ns->ctrl->namespaces_mutex); list_del_init(&ns->list); mutex_unlock(&ns->ctrl->namespaces_mutex); - synchronize_srcu(&head->srcu); + synchronize_srcu(&ns->head->srcu); nvme_put_ns(ns); } diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index 42232e731f19..9ba614953607 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -156,4 +156,34 @@ void nvmf_free_options(struct nvmf_ctrl_options *opts); int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size); bool nvmf_should_reconnect(struct nvme_ctrl *ctrl); +static inline blk_status_t nvmf_check_init_req(struct nvme_ctrl *ctrl, + struct request *rq) +{ + struct nvme_command *cmd = nvme_req(rq)->cmd; + + /* + * We cannot accept any other command until the connect command has + * completed, so only allow connect to pass. + */ + if (!blk_rq_is_passthrough(rq) || + cmd->common.opcode != nvme_fabrics_command || + cmd->fabrics.fctype != nvme_fabrics_type_connect) { + /* + * Reconnecting state means transport disruption, which can take + * a long time and even might fail permanently, fail fast to + * give upper layers a chance to failover. + * Deleting state means that the ctrl will never accept commands + * again, fail it permanently. + */ + if (ctrl->state == NVME_CTRL_RECONNECTING || + ctrl->state == NVME_CTRL_DELETING) { + nvme_req(rq)->status = NVME_SC_ABORT_REQ; + return BLK_STS_IOERR; + } + return BLK_STS_RESOURCE; /* try again later */ + } + + return BLK_STS_OK; +} + #endif /* _NVME_FABRICS_H */ diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 7ab0be55c7d0..0a8af4daef89 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -31,7 +31,8 @@ enum nvme_fc_queue_flags { - NVME_FC_Q_CONNECTED = (1 << 0), + NVME_FC_Q_CONNECTED = 0, + NVME_FC_Q_LIVE, }; #define NVMEFC_QUEUE_DELAY 3 /* ms units */ @@ -1927,6 +1928,7 @@ nvme_fc_free_queue(struct nvme_fc_queue *queue) if (!test_and_clear_bit(NVME_FC_Q_CONNECTED, &queue->flags)) return; + clear_bit(NVME_FC_Q_LIVE, &queue->flags); /* * Current implementation never disconnects a single queue. * It always terminates a whole association. So there is never @@ -1934,7 +1936,6 @@ nvme_fc_free_queue(struct nvme_fc_queue *queue) */ queue->connection_id = 0; - clear_bit(NVME_FC_Q_CONNECTED, &queue->flags); } static void @@ -2013,6 +2014,8 @@ nvme_fc_connect_io_queues(struct nvme_fc_ctrl *ctrl, u16 qsize) ret = nvmf_connect_io_queue(&ctrl->ctrl, i); if (ret) break; + + set_bit(NVME_FC_Q_LIVE, &ctrl->queues[i].flags); } return ret; @@ -2320,6 +2323,14 @@ busy: return BLK_STS_RESOURCE; } +static inline blk_status_t nvme_fc_is_ready(struct nvme_fc_queue *queue, + struct request *rq) +{ + if (unlikely(!test_bit(NVME_FC_Q_LIVE, &queue->flags))) + return nvmf_check_init_req(&queue->ctrl->ctrl, rq); + return BLK_STS_OK; +} + static blk_status_t nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx, const struct blk_mq_queue_data *bd) @@ -2335,6 +2346,10 @@ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx, u32 data_len; blk_status_t ret; + ret = nvme_fc_is_ready(queue, rq); + if (unlikely(ret)) + return ret; + ret = nvme_setup_cmd(ns, rq, sqe); if (ret) return ret; @@ -2727,6 +2742,8 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) if (ret) goto out_disconnect_admin_queue; + set_bit(NVME_FC_Q_LIVE, &ctrl->queues[0].flags); + /* * Check controller capabilities * diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 78d92151a904..1218a9fca846 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -131,7 +131,7 @@ static blk_qc_t nvme_ns_head_make_request(struct request_queue *q, bio->bi_opf |= REQ_NVME_MPATH; ret = direct_make_request(bio); } else if (!list_empty_careful(&head->list)) { - dev_warn_ratelimited(dev, "no path available - requeing I/O\n"); + dev_warn_ratelimited(dev, "no path available - requeuing I/O\n"); spin_lock_irq(&head->requeue_lock); bio_list_add(&head->requeue_list, bio); diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index c0873a68872f..ea1aa5283e8e 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -114,7 +114,7 @@ static inline struct nvme_request *nvme_req(struct request *req) * NVME_QUIRK_DELAY_BEFORE_CHK_RDY quirk enabled. The value (in ms) was * found empirically. */ -#define NVME_QUIRK_DELAY_AMOUNT 2000 +#define NVME_QUIRK_DELAY_AMOUNT 2300 enum nvme_ctrl_state { NVME_CTRL_NEW, diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index a11cfd470089..f5800c3c9082 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1759,6 +1759,7 @@ static void nvme_free_host_mem(struct nvme_dev *dev) dev->nr_host_mem_descs * sizeof(*dev->host_mem_descs), dev->host_mem_descs, dev->host_mem_descs_dma); dev->host_mem_descs = NULL; + dev->nr_host_mem_descs = 0; } static int __nvme_alloc_host_mem(struct nvme_dev *dev, u64 preferred, @@ -1787,7 +1788,7 @@ static int __nvme_alloc_host_mem(struct nvme_dev *dev, u64 preferred, if (!bufs) goto out_free_descs; - for (size = 0; size < preferred; size += len) { + for (size = 0; size < preferred && i < max_entries; size += len) { dma_addr_t dma_addr; len = min_t(u64, chunk_size, preferred - size); @@ -2428,7 +2429,7 @@ static int nvme_dev_map(struct nvme_dev *dev) return -ENODEV; } -static unsigned long check_dell_samsung_bug(struct pci_dev *pdev) +static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) { if (pdev->vendor == 0x144d && pdev->device == 0xa802) { /* @@ -2443,6 +2444,14 @@ static unsigned long check_dell_samsung_bug(struct pci_dev *pdev) (dmi_match(DMI_PRODUCT_NAME, "XPS 15 9550") || dmi_match(DMI_PRODUCT_NAME, "Precision 5510"))) return NVME_QUIRK_NO_DEEPEST_PS; + } else if (pdev->vendor == 0x144d && pdev->device == 0xa804) { + /* + * Samsung SSD 960 EVO drops off the PCIe bus after system + * suspend on a Ryzen board, ASUS PRIME B350M-A. + */ + if (dmi_match(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC.") && + dmi_match(DMI_BOARD_NAME, "PRIME B350M-A")) + return NVME_QUIRK_NO_APST; } return 0; @@ -2482,7 +2491,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (result) goto unmap; - quirks |= check_dell_samsung_bug(pdev); + quirks |= check_vendor_combination_bug(pdev); result = nvme_init_ctrl(&dev->ctrl, &pdev->dev, &nvme_pci_ctrl_ops, quirks); @@ -2665,6 +2674,8 @@ static const struct pci_device_id nvme_id_table[] = { .driver_data = NVME_QUIRK_IDENTIFY_CNS, }, { PCI_DEVICE(0x1c58, 0x0003), /* HGST adapter */ .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, }, + { PCI_DEVICE(0x1c58, 0x0023), /* WDC SN200 adapter */ + .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, }, { PCI_DEVICE(0x1c5f, 0x0540), /* Memblaze Pblaze4 adapter */ .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, }, { PCI_DEVICE(0x144d, 0xa821), /* Samsung PM1725 */ diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 4f9bf2f815c3..37af56596be6 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> +#include <rdma/mr_pool.h> #include <linux/err.h> #include <linux/string.h> #include <linux/atomic.h> @@ -59,6 +60,9 @@ struct nvme_rdma_request { struct nvme_request req; struct ib_mr *mr; struct nvme_rdma_qe sqe; + union nvme_result result; + __le16 status; + refcount_t ref; struct ib_sge sge[1 + NVME_RDMA_MAX_INLINE_SEGMENTS]; u32 num_sge; int nents; @@ -73,11 +77,11 @@ struct nvme_rdma_request { enum nvme_rdma_queue_flags { NVME_RDMA_Q_ALLOCATED = 0, NVME_RDMA_Q_LIVE = 1, + NVME_RDMA_Q_TR_READY = 2, }; struct nvme_rdma_queue { struct nvme_rdma_qe *rsp_ring; - atomic_t sig_count; int queue_size; size_t cmnd_capsule_len; struct nvme_rdma_ctrl *ctrl; @@ -258,32 +262,6 @@ static int nvme_rdma_create_qp(struct nvme_rdma_queue *queue, const int factor) return ret; } -static int nvme_rdma_reinit_request(void *data, struct request *rq) -{ - struct nvme_rdma_ctrl *ctrl = data; - struct nvme_rdma_device *dev = ctrl->device; - struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq); - int ret = 0; - - if (WARN_ON_ONCE(!req->mr)) - return 0; - - ib_dereg_mr(req->mr); - - req->mr = ib_alloc_mr(dev->pd, IB_MR_TYPE_MEM_REG, - ctrl->max_fr_pages); - if (IS_ERR(req->mr)) { - ret = PTR_ERR(req->mr); - req->mr = NULL; - goto out; - } - - req->mr->need_inval = false; - -out: - return ret; -} - static void nvme_rdma_exit_request(struct blk_mq_tag_set *set, struct request *rq, unsigned int hctx_idx) { @@ -293,9 +271,6 @@ static void nvme_rdma_exit_request(struct blk_mq_tag_set *set, struct nvme_rdma_queue *queue = &ctrl->queues[queue_idx]; struct nvme_rdma_device *dev = queue->device; - if (req->mr) - ib_dereg_mr(req->mr); - nvme_rdma_free_qe(dev->dev, &req->sqe, sizeof(struct nvme_command), DMA_TO_DEVICE); } @@ -317,21 +292,9 @@ static int nvme_rdma_init_request(struct blk_mq_tag_set *set, if (ret) return ret; - req->mr = ib_alloc_mr(dev->pd, IB_MR_TYPE_MEM_REG, - ctrl->max_fr_pages); - if (IS_ERR(req->mr)) { - ret = PTR_ERR(req->mr); - goto out_free_qe; - } - req->queue = queue; return 0; - -out_free_qe: - nvme_rdma_free_qe(dev->dev, &req->sqe, sizeof(struct nvme_command), - DMA_TO_DEVICE); - return -ENOMEM; } static int nvme_rdma_init_hctx(struct blk_mq_hw_ctx *hctx, void *data, @@ -428,10 +391,23 @@ out_err: static void nvme_rdma_destroy_queue_ib(struct nvme_rdma_queue *queue) { - struct nvme_rdma_device *dev = queue->device; - struct ib_device *ibdev = dev->dev; + struct nvme_rdma_device *dev; + struct ib_device *ibdev; - rdma_destroy_qp(queue->cm_id); + if (!test_and_clear_bit(NVME_RDMA_Q_TR_READY, &queue->flags)) + return; + + dev = queue->device; + ibdev = dev->dev; + + ib_mr_pool_destroy(queue->qp, &queue->qp->rdma_mrs); + + /* + * The cm_id object might have been destroyed during RDMA connection + * establishment error flow to avoid getting other cma events, thus + * the destruction of the QP shouldn't use rdma_cm API. + */ + ib_destroy_qp(queue->qp); ib_free_cq(queue->ib_cq); nvme_rdma_free_ring(ibdev, queue->rsp_ring, queue->queue_size, @@ -440,6 +416,12 @@ static void nvme_rdma_destroy_queue_ib(struct nvme_rdma_queue *queue) nvme_rdma_dev_put(dev); } +static int nvme_rdma_get_max_fr_pages(struct ib_device *ibdev) +{ + return min_t(u32, NVME_RDMA_MAX_SEGMENTS, + ibdev->attrs.max_fast_reg_page_list_len); +} + static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue *queue) { struct ib_device *ibdev; @@ -482,8 +464,24 @@ static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue *queue) goto out_destroy_qp; } + ret = ib_mr_pool_init(queue->qp, &queue->qp->rdma_mrs, + queue->queue_size, + IB_MR_TYPE_MEM_REG, + nvme_rdma_get_max_fr_pages(ibdev)); + if (ret) { + dev_err(queue->ctrl->ctrl.device, + "failed to initialize MR pool sized %d for QID %d\n", + queue->queue_size, idx); + goto out_destroy_ring; + } + + set_bit(NVME_RDMA_Q_TR_READY, &queue->flags); + return 0; +out_destroy_ring: + nvme_rdma_free_ring(ibdev, queue->rsp_ring, queue->queue_size, + sizeof(struct nvme_completion), DMA_FROM_DEVICE); out_destroy_qp: rdma_destroy_qp(queue->cm_id); out_destroy_ib_cq: @@ -510,7 +508,6 @@ static int nvme_rdma_alloc_queue(struct nvme_rdma_ctrl *ctrl, queue->cmnd_capsule_len = sizeof(struct nvme_command); queue->queue_size = queue_size; - atomic_set(&queue->sig_count, 0); queue->cm_id = rdma_create_id(&init_net, nvme_rdma_cm_handler, queue, RDMA_PS_TCP, IB_QPT_RC); @@ -546,6 +543,7 @@ static int nvme_rdma_alloc_queue(struct nvme_rdma_ctrl *ctrl, out_destroy_cm_id: rdma_destroy_id(queue->cm_id); + nvme_rdma_destroy_queue_ib(queue); return ret; } @@ -756,8 +754,7 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl, ctrl->device = ctrl->queues[0].device; - ctrl->max_fr_pages = min_t(u32, NVME_RDMA_MAX_SEGMENTS, - ctrl->device->dev->attrs.max_fast_reg_page_list_len); + ctrl->max_fr_pages = nvme_rdma_get_max_fr_pages(ctrl->device->dev); if (new) { ctrl->ctrl.admin_tagset = nvme_rdma_alloc_tagset(&ctrl->ctrl, true); @@ -771,10 +768,6 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl, error = PTR_ERR(ctrl->ctrl.admin_q); goto out_free_tagset; } - } else { - error = nvme_reinit_tagset(&ctrl->ctrl, ctrl->ctrl.admin_tagset); - if (error) - goto out_free_queue; } error = nvme_rdma_start_queue(ctrl, 0); @@ -854,10 +847,6 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new) goto out_free_tag_set; } } else { - ret = nvme_reinit_tagset(&ctrl->ctrl, ctrl->ctrl.tagset); - if (ret) - goto out_free_io_queues; - blk_mq_update_nr_hw_queues(&ctrl->tag_set, ctrl->ctrl.queue_count - 1); } @@ -1018,8 +1007,18 @@ static void nvme_rdma_memreg_done(struct ib_cq *cq, struct ib_wc *wc) static void nvme_rdma_inv_rkey_done(struct ib_cq *cq, struct ib_wc *wc) { - if (unlikely(wc->status != IB_WC_SUCCESS)) + struct nvme_rdma_request *req = + container_of(wc->wr_cqe, struct nvme_rdma_request, reg_cqe); + struct request *rq = blk_mq_rq_from_pdu(req); + + if (unlikely(wc->status != IB_WC_SUCCESS)) { nvme_rdma_wr_error(cq, wc, "LOCAL_INV"); + return; + } + + if (refcount_dec_and_test(&req->ref)) + nvme_end_request(rq, req->status, req->result); + } static int nvme_rdma_inv_rkey(struct nvme_rdma_queue *queue, @@ -1030,7 +1029,7 @@ static int nvme_rdma_inv_rkey(struct nvme_rdma_queue *queue, .opcode = IB_WR_LOCAL_INV, .next = NULL, .num_sge = 0, - .send_flags = 0, + .send_flags = IB_SEND_SIGNALED, .ex.invalidate_rkey = req->mr->rkey, }; @@ -1044,22 +1043,15 @@ static void nvme_rdma_unmap_data(struct nvme_rdma_queue *queue, struct request *rq) { struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq); - struct nvme_rdma_ctrl *ctrl = queue->ctrl; struct nvme_rdma_device *dev = queue->device; struct ib_device *ibdev = dev->dev; - int res; if (!blk_rq_bytes(rq)) return; - if (req->mr->need_inval && test_bit(NVME_RDMA_Q_LIVE, &req->queue->flags)) { - res = nvme_rdma_inv_rkey(queue, req); - if (unlikely(res < 0)) { - dev_err(ctrl->ctrl.device, - "Queueing INV WR for rkey %#x failed (%d)\n", - req->mr->rkey, res); - nvme_rdma_error_recovery(queue->ctrl); - } + if (req->mr) { + ib_mr_pool_put(queue->qp, &queue->qp->rdma_mrs, req->mr); + req->mr = NULL; } ib_dma_unmap_sg(ibdev, req->sg_table.sgl, @@ -1118,12 +1110,18 @@ static int nvme_rdma_map_sg_fr(struct nvme_rdma_queue *queue, struct nvme_keyed_sgl_desc *sg = &c->common.dptr.ksgl; int nr; + req->mr = ib_mr_pool_get(queue->qp, &queue->qp->rdma_mrs); + if (WARN_ON_ONCE(!req->mr)) + return -EAGAIN; + /* * Align the MR to a 4K page size to match the ctrl page size and * the block virtual boundary. */ nr = ib_map_mr_sg(req->mr, req->sg_table.sgl, count, NULL, SZ_4K); if (unlikely(nr < count)) { + ib_mr_pool_put(queue->qp, &queue->qp->rdma_mrs, req->mr); + req->mr = NULL; if (nr < 0) return nr; return -EINVAL; @@ -1142,8 +1140,6 @@ static int nvme_rdma_map_sg_fr(struct nvme_rdma_queue *queue, IB_ACCESS_REMOTE_READ | IB_ACCESS_REMOTE_WRITE; - req->mr->need_inval = true; - sg->addr = cpu_to_le64(req->mr->iova); put_unaligned_le24(req->mr->length, sg->length); put_unaligned_le32(req->mr->rkey, sg->key); @@ -1163,7 +1159,7 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue, req->num_sge = 1; req->inline_data = false; - req->mr->need_inval = false; + refcount_set(&req->ref, 2); /* send and recv completions */ c->common.flags |= NVME_CMD_SGL_METABUF; @@ -1200,25 +1196,24 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue, static void nvme_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc) { - if (unlikely(wc->status != IB_WC_SUCCESS)) - nvme_rdma_wr_error(cq, wc, "SEND"); -} + struct nvme_rdma_qe *qe = + container_of(wc->wr_cqe, struct nvme_rdma_qe, cqe); + struct nvme_rdma_request *req = + container_of(qe, struct nvme_rdma_request, sqe); + struct request *rq = blk_mq_rq_from_pdu(req); -/* - * We want to signal completion at least every queue depth/2. This returns the - * largest power of two that is not above half of (queue size + 1) to optimize - * (avoid divisions). - */ -static inline bool nvme_rdma_queue_sig_limit(struct nvme_rdma_queue *queue) -{ - int limit = 1 << ilog2((queue->queue_size + 1) / 2); + if (unlikely(wc->status != IB_WC_SUCCESS)) { + nvme_rdma_wr_error(cq, wc, "SEND"); + return; + } - return (atomic_inc_return(&queue->sig_count) & (limit - 1)) == 0; + if (refcount_dec_and_test(&req->ref)) + nvme_end_request(rq, req->status, req->result); } static int nvme_rdma_post_send(struct nvme_rdma_queue *queue, struct nvme_rdma_qe *qe, struct ib_sge *sge, u32 num_sge, - struct ib_send_wr *first, bool flush) + struct ib_send_wr *first) { struct ib_send_wr wr, *bad_wr; int ret; @@ -1227,31 +1222,12 @@ static int nvme_rdma_post_send(struct nvme_rdma_queue *queue, sge->length = sizeof(struct nvme_command), sge->lkey = queue->device->pd->local_dma_lkey; - qe->cqe.done = nvme_rdma_send_done; - wr.next = NULL; wr.wr_cqe = &qe->cqe; wr.sg_list = sge; wr.num_sge = num_sge; wr.opcode = IB_WR_SEND; - wr.send_flags = 0; - - /* - * Unsignalled send completions are another giant desaster in the - * IB Verbs spec: If we don't regularly post signalled sends - * the send queue will fill up and only a QP reset will rescue us. - * Would have been way to obvious to handle this in hardware or - * at least the RDMA stack.. - * - * Always signal the flushes. The magic request used for the flush - * sequencer is not allocated in our driver's tagset and it's - * triggered to be freed by blk_cleanup_queue(). So we need to - * always mark it as signaled to ensure that the "wr_cqe", which is - * embedded in request's payload, is not freed when __ib_process_cq() - * calls wr_cqe->done(). - */ - if (nvme_rdma_queue_sig_limit(queue) || flush) - wr.send_flags |= IB_SEND_SIGNALED; + wr.send_flags = IB_SEND_SIGNALED; if (first) first->next = ≀ @@ -1301,6 +1277,12 @@ static struct blk_mq_tags *nvme_rdma_tagset(struct nvme_rdma_queue *queue) return queue->ctrl->tag_set.tags[queue_idx - 1]; } +static void nvme_rdma_async_done(struct ib_cq *cq, struct ib_wc *wc) +{ + if (unlikely(wc->status != IB_WC_SUCCESS)) + nvme_rdma_wr_error(cq, wc, "ASYNC"); +} + static void nvme_rdma_submit_async_event(struct nvme_ctrl *arg) { struct nvme_rdma_ctrl *ctrl = to_rdma_ctrl(arg); @@ -1319,10 +1301,12 @@ static void nvme_rdma_submit_async_event(struct nvme_ctrl *arg) cmd->common.flags |= NVME_CMD_SGL_METABUF; nvme_rdma_set_sg_null(cmd); + sqe->cqe.done = nvme_rdma_async_done; + ib_dma_sync_single_for_device(dev, sqe->dma, sizeof(*cmd), DMA_TO_DEVICE); - ret = nvme_rdma_post_send(queue, sqe, &sge, 1, NULL, false); + ret = nvme_rdma_post_send(queue, sqe, &sge, 1, NULL); WARN_ON_ONCE(ret); } @@ -1343,14 +1327,34 @@ static int nvme_rdma_process_nvme_rsp(struct nvme_rdma_queue *queue, } req = blk_mq_rq_to_pdu(rq); - if (rq->tag == tag) - ret = 1; + req->status = cqe->status; + req->result = cqe->result; - if ((wc->wc_flags & IB_WC_WITH_INVALIDATE) && - wc->ex.invalidate_rkey == req->mr->rkey) - req->mr->need_inval = false; + if (wc->wc_flags & IB_WC_WITH_INVALIDATE) { + if (unlikely(wc->ex.invalidate_rkey != req->mr->rkey)) { + dev_err(queue->ctrl->ctrl.device, + "Bogus remote invalidation for rkey %#x\n", + req->mr->rkey); + nvme_rdma_error_recovery(queue->ctrl); + } + } else if (req->mr) { + ret = nvme_rdma_inv_rkey(queue, req); + if (unlikely(ret < 0)) { + dev_err(queue->ctrl->ctrl.device, + "Queueing INV WR for rkey %#x failed (%d)\n", + req->mr->rkey, ret); + nvme_rdma_error_recovery(queue->ctrl); + } + /* the local invalidation completion will end the request */ + return 0; + } + + if (refcount_dec_and_test(&req->ref)) { + if (rq->tag == tag) + ret = 1; + nvme_end_request(rq, req->status, req->result); + } - nvme_end_request(rq, cqe->status, cqe->result); return ret; } @@ -1591,31 +1595,11 @@ nvme_rdma_timeout(struct request *rq, bool reserved) * We cannot accept any other command until the Connect command has completed. */ static inline blk_status_t -nvme_rdma_queue_is_ready(struct nvme_rdma_queue *queue, struct request *rq) -{ - if (unlikely(!test_bit(NVME_RDMA_Q_LIVE, &queue->flags))) { - struct nvme_command *cmd = nvme_req(rq)->cmd; - - if (!blk_rq_is_passthrough(rq) || - cmd->common.opcode != nvme_fabrics_command || - cmd->fabrics.fctype != nvme_fabrics_type_connect) { - /* - * reconnecting state means transport disruption, which - * can take a long time and even might fail permanently, - * fail fast to give upper layers a chance to failover. - * deleting state means that the ctrl will never accept - * commands again, fail it permanently. - */ - if (queue->ctrl->ctrl.state == NVME_CTRL_RECONNECTING || - queue->ctrl->ctrl.state == NVME_CTRL_DELETING) { - nvme_req(rq)->status = NVME_SC_ABORT_REQ; - return BLK_STS_IOERR; - } - return BLK_STS_RESOURCE; /* try again later */ - } - } - - return 0; +nvme_rdma_is_ready(struct nvme_rdma_queue *queue, struct request *rq) +{ + if (unlikely(!test_bit(NVME_RDMA_Q_LIVE, &queue->flags))) + return nvmf_check_init_req(&queue->ctrl->ctrl, rq); + return BLK_STS_OK; } static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, @@ -1627,14 +1611,13 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq); struct nvme_rdma_qe *sqe = &req->sqe; struct nvme_command *c = sqe->data; - bool flush = false; struct ib_device *dev; blk_status_t ret; int err; WARN_ON_ONCE(rq->tag < 0); - ret = nvme_rdma_queue_is_ready(queue, rq); + ret = nvme_rdma_is_ready(queue, rq); if (unlikely(ret)) return ret; @@ -1656,13 +1639,13 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, goto err; } + sqe->cqe.done = nvme_rdma_send_done; + ib_dma_sync_single_for_device(dev, sqe->dma, sizeof(struct nvme_command), DMA_TO_DEVICE); - if (req_op(rq) == REQ_OP_FLUSH) - flush = true; err = nvme_rdma_post_send(queue, sqe, req->sge, req->num_sge, - req->mr->need_inval ? &req->reg_wr.wr : NULL, flush); + req->mr ? &req->reg_wr.wr : NULL); if (unlikely(err)) { nvme_rdma_unmap_data(queue, rq); goto err; @@ -1810,7 +1793,6 @@ static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = { .submit_async_event = nvme_rdma_submit_async_event, .delete_ctrl = nvme_rdma_delete_ctrl, .get_address = nvmf_get_address, - .reinit_request = nvme_rdma_reinit_request, }; static inline bool diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index 664d3013f68f..5fd86039e353 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -533,15 +533,15 @@ nvmet_fc_free_fcp_iod(struct nvmet_fc_tgt_queue *queue, tgtport->ops->fcp_req_release(&tgtport->fc_target_port, fcpreq); + /* release the queue lookup reference on the completed IO */ + nvmet_fc_tgt_q_put(queue); + spin_lock_irqsave(&queue->qlock, flags); deferfcp = list_first_entry_or_null(&queue->pending_cmd_list, struct nvmet_fc_defer_fcp_req, req_list); if (!deferfcp) { list_add_tail(&fod->fcp_list, &fod->queue->fod_list); spin_unlock_irqrestore(&queue->qlock, flags); - - /* Release reference taken at queue lookup and fod allocation */ - nvmet_fc_tgt_q_put(queue); return; } @@ -760,6 +760,9 @@ nvmet_fc_delete_target_queue(struct nvmet_fc_tgt_queue *queue) tgtport->ops->fcp_req_release(&tgtport->fc_target_port, deferfcp->fcp_req); + /* release the queue lookup reference */ + nvmet_fc_tgt_q_put(queue); + kfree(deferfcp); spin_lock_irqsave(&queue->qlock, flags); diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index 96d390416789..1e21b286f299 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -52,10 +52,15 @@ static inline struct nvme_loop_ctrl *to_loop_ctrl(struct nvme_ctrl *ctrl) return container_of(ctrl, struct nvme_loop_ctrl, ctrl); } +enum nvme_loop_queue_flags { + NVME_LOOP_Q_LIVE = 0, +}; + struct nvme_loop_queue { struct nvmet_cq nvme_cq; struct nvmet_sq nvme_sq; struct nvme_loop_ctrl *ctrl; + unsigned long flags; }; static struct nvmet_port *nvmet_loop_port; @@ -144,6 +149,14 @@ nvme_loop_timeout(struct request *rq, bool reserved) return BLK_EH_HANDLED; } +static inline blk_status_t nvme_loop_is_ready(struct nvme_loop_queue *queue, + struct request *rq) +{ + if (unlikely(!test_bit(NVME_LOOP_Q_LIVE, &queue->flags))) + return nvmf_check_init_req(&queue->ctrl->ctrl, rq); + return BLK_STS_OK; +} + static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, const struct blk_mq_queue_data *bd) { @@ -153,6 +166,10 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, struct nvme_loop_iod *iod = blk_mq_rq_to_pdu(req); blk_status_t ret; + ret = nvme_loop_is_ready(queue, req); + if (unlikely(ret)) + return ret; + ret = nvme_setup_cmd(ns, req, &iod->cmd); if (ret) return ret; @@ -267,6 +284,7 @@ static const struct blk_mq_ops nvme_loop_admin_mq_ops = { static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl) { + clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); nvmet_sq_destroy(&ctrl->queues[0].nvme_sq); blk_cleanup_queue(ctrl->ctrl.admin_q); blk_mq_free_tag_set(&ctrl->admin_tag_set); @@ -297,8 +315,10 @@ static void nvme_loop_destroy_io_queues(struct nvme_loop_ctrl *ctrl) { int i; - for (i = 1; i < ctrl->ctrl.queue_count; i++) + for (i = 1; i < ctrl->ctrl.queue_count; i++) { + clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags); nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); + } } static int nvme_loop_init_io_queues(struct nvme_loop_ctrl *ctrl) @@ -338,6 +358,7 @@ static int nvme_loop_connect_io_queues(struct nvme_loop_ctrl *ctrl) ret = nvmf_connect_io_queue(&ctrl->ctrl, i); if (ret) return ret; + set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags); } return 0; @@ -380,6 +401,8 @@ static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl) if (error) goto out_cleanup_queue; + set_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); + error = nvmf_reg_read64(&ctrl->ctrl, NVME_REG_CAP, &ctrl->ctrl.cap); if (error) { dev_err(ctrl->ctrl.device, diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c index 730cc897b94d..fab143a17f9c 100644 --- a/drivers/pci/switch/switchtec.c +++ b/drivers/pci/switch/switchtec.c @@ -510,11 +510,11 @@ out: return -EBADMSG; } -static unsigned int switchtec_dev_poll(struct file *filp, poll_table *wait) +static __poll_t switchtec_dev_poll(struct file *filp, poll_table *wait) { struct switchtec_user *stuser = filp->private_data; struct switchtec_dev *stdev = stuser->stdev; - int ret = 0; + __poll_t ret = 0; poll_wait(filp, &stuser->comp.wait, wait); poll_wait(filp, &stdev->event_wq, wait); diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c index 4cc66f405760..603fa8bd85d3 100644 --- a/drivers/platform/chrome/cros_ec_debugfs.c +++ b/drivers/platform/chrome/cros_ec_debugfs.c @@ -191,11 +191,11 @@ error: return ret; } -static unsigned int cros_ec_console_log_poll(struct file *file, +static __poll_t cros_ec_console_log_poll(struct file *file, poll_table *wait) { struct cros_ec_debugfs *debug_info = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &debug_info->log_wq, wait); diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c index 0578d34eec3f..999f1152655a 100644 --- a/drivers/platform/goldfish/goldfish_pipe.c +++ b/drivers/platform/goldfish/goldfish_pipe.c @@ -536,10 +536,10 @@ static ssize_t goldfish_pipe_write(struct file *filp, /* is_write */ 1); } -static unsigned int goldfish_pipe_poll(struct file *filp, poll_table *wait) +static __poll_t goldfish_pipe_poll(struct file *filp, poll_table *wait) { struct goldfish_pipe *pipe = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; int status; poll_wait(filp, &pipe->wake_queue, wait); diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 935121814c97..a4fabf9d75f3 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -4124,7 +4124,7 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf, return ret; } -static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) +static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) { poll_wait(file, &sonypi_compat.fifo_proc_list, wait); if (kfifo_len(&sonypi_compat.fifo)) diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c index 6eb0db37dd88..1d42385b1aa5 100644 --- a/drivers/pps/pps.c +++ b/drivers/pps/pps.c @@ -49,7 +49,7 @@ static DEFINE_IDR(pps_idr); * Char device methods */ -static unsigned int pps_cdev_poll(struct file *file, poll_table *wait) +static __poll_t pps_cdev_poll(struct file *file, poll_table *wait) { struct pps_device *pps = file->private_data; diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c index 58a97d420572..a593b4cf47bf 100644 --- a/drivers/ptp/ptp_chardev.c +++ b/drivers/ptp/ptp_chardev.c @@ -280,7 +280,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) return err; } -unsigned int ptp_poll(struct posix_clock *pc, struct file *fp, poll_table *wait) +__poll_t ptp_poll(struct posix_clock *pc, struct file *fp, poll_table *wait) { struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock); diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h index b86f1bfecd6f..c7c62b782cb9 100644 --- a/drivers/ptp/ptp_private.h +++ b/drivers/ptp/ptp_private.h @@ -90,7 +90,7 @@ int ptp_open(struct posix_clock *pc, fmode_t fmode); ssize_t ptp_read(struct posix_clock *pc, uint flags, char __user *buf, size_t cnt); -uint ptp_poll(struct posix_clock *pc, +__poll_t ptp_poll(struct posix_clock *pc, struct file *fp, poll_table *wait); /* diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index ec4bc1515f0d..6092b3a5978e 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -2319,7 +2319,7 @@ static int mport_cdev_mmap(struct file *filp, struct vm_area_struct *vma) return ret; } -static unsigned int mport_cdev_poll(struct file *filp, poll_table *wait) +static __poll_t mport_cdev_poll(struct file *filp, poll_table *wait) { struct mport_cdev_priv *priv = filp->private_data; diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c index b01774e9fac0..e540ca362d08 100644 --- a/drivers/rpmsg/qcom_smd.c +++ b/drivers/rpmsg/qcom_smd.c @@ -919,12 +919,12 @@ static int qcom_smd_trysend(struct rpmsg_endpoint *ept, void *data, int len) return __qcom_smd_send(qsept->qsch, data, len, false); } -static unsigned int qcom_smd_poll(struct rpmsg_endpoint *ept, +static __poll_t qcom_smd_poll(struct rpmsg_endpoint *ept, struct file *filp, poll_table *wait) { struct qcom_smd_endpoint *qsept = to_smd_endpoint(ept); struct qcom_smd_channel *channel = qsept->qsch; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(filp, &channel->fblockread_event, wait); diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c index e0996fce3963..e622fcda30fa 100644 --- a/drivers/rpmsg/rpmsg_char.c +++ b/drivers/rpmsg/rpmsg_char.c @@ -256,10 +256,10 @@ free_kbuf: return ret < 0 ? ret : len; } -static unsigned int rpmsg_eptdev_poll(struct file *filp, poll_table *wait) +static __poll_t rpmsg_eptdev_poll(struct file *filp, poll_table *wait) { struct rpmsg_eptdev *eptdev = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; if (!eptdev->ept) return POLLERR; diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index dffa3aab7178..5a081762afcc 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -247,7 +247,7 @@ EXPORT_SYMBOL(rpmsg_trysendto); * * Returns mask representing the current state of the endpoint's send buffers */ -unsigned int rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp, +__poll_t rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp, poll_table *wait) { if (WARN_ON(!ept)) diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h index 0cf9c7e2ee83..685aa70e9cbe 100644 --- a/drivers/rpmsg/rpmsg_internal.h +++ b/drivers/rpmsg/rpmsg_internal.h @@ -71,7 +71,7 @@ struct rpmsg_endpoint_ops { int (*trysendto)(struct rpmsg_endpoint *ept, void *data, int len, u32 dst); int (*trysend_offchannel)(struct rpmsg_endpoint *ept, u32 src, u32 dst, void *data, int len); - unsigned int (*poll)(struct rpmsg_endpoint *ept, struct file *filp, + __poll_t (*poll)(struct rpmsg_endpoint *ept, struct file *filp, poll_table *wait); }; diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index 215eac68ae2d..5a7b30d0773b 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -194,7 +194,7 @@ rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) return ret; } -static unsigned int rtc_dev_poll(struct file *file, poll_table *wait) +static __poll_t rtc_dev_poll(struct file *file, poll_table *wait) { struct rtc_device *rtc = file->private_data; unsigned long data; diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 0f1ff0813493..66e008f7adb6 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com> diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index c95a4784c191..e7cd28ff1984 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com> diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 98fb28e49d2c..f035c2f25d35 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Based on.......: linux/drivers/s390/block/mdisk.c diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 8eafcd5fa004..1a41ef496338 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com> diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c index a7917d473774..0c075d100252 100644 --- a/drivers/s390/block/dasd_eer.c +++ b/drivers/s390/block/dasd_eer.c @@ -661,9 +661,9 @@ static ssize_t dasd_eer_read(struct file *filp, char __user *buf, return effective_count; } -static unsigned int dasd_eer_poll(struct file *filp, poll_table *ptable) +static __poll_t dasd_eer_poll(struct file *filp, poll_table *ptable) { - unsigned int mask; + __poll_t mask; unsigned long flags; struct eerbuffer *eerb; diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 6168ccdb389c..a6b132f7e869 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com> diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 7abb240847c0..6aaefb780436 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * dcssblk.c -- the S/390 block driver for dcss memory * diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c index eb51893c74a4..b4130c7880d8 100644 --- a/drivers/s390/block/scm_blk.c +++ b/drivers/s390/block/scm_blk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Block driver for s390 storage class memory. * diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c index 571a0709e1e5..2a6334ca750e 100644 --- a/drivers/s390/block/xpram.c +++ b/drivers/s390/block/xpram.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Xpram.c -- the S/390 expanded memory RAM-disk * diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index c4518168fd02..61822480a2a0 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IBM/3270 Driver - fullscreen driver. * diff --git a/drivers/s390/char/hmcdrv_mod.c b/drivers/s390/char/hmcdrv_mod.c index 251a318a9b75..1447d0887225 100644 --- a/drivers/s390/char/hmcdrv_mod.c +++ b/drivers/s390/char/hmcdrv_mod.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * HMC Drive DVD Module * diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c index 027ac6ae5eea..956f662908a6 100644 --- a/drivers/s390/char/monreader.c +++ b/drivers/s390/char/monreader.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Character device driver for reading z/VM *MONITOR service records. * @@ -428,7 +429,7 @@ out_copy: return count; } -static unsigned int mon_poll(struct file *filp, struct poll_table_struct *p) +static __poll_t mon_poll(struct file *filp, struct poll_table_struct *p) { struct mon_private *monpriv = filp->private_data; diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c index 571a7e352755..76c158c41510 100644 --- a/drivers/s390/char/monwriter.c +++ b/drivers/s390/char/monwriter.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Character device driver for writing z/VM *MONITOR service records. * diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 5d4f053d7c38..f8cd2935fbfd 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IBM/3270 Driver - core functions. * diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c index 19c25427f27f..ee6f3b563728 100644 --- a/drivers/s390/char/sclp_async.c +++ b/drivers/s390/char/sclp_async.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Enable Asynchronous Notification via SCLP. * diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c index de69f0ddc321..6d73ee3f827a 100644 --- a/drivers/s390/char/tape_34xx.c +++ b/drivers/s390/char/tape_34xx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * tape device discipline for 3480/3490 tapes. * diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index e352047ed9f7..37e65a05517f 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * tape device discipline for 3590 tapes. * diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c index e7d23048d3f0..a07102472ce9 100644 --- a/drivers/s390/char/tape_class.c +++ b/drivers/s390/char/tape_class.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2004 * diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index 32503a60ee85..8d3370da2dfc 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * basic function of the tape device driver * diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index e417ccd9e299..1c98023cffd4 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IBM/3270 Driver - tty functions. * diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index 62559dc0169f..069b9ef08206 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * character device driver for reading z/VM system service records * diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index fa90ef05afc0..52aa89424318 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux driver for System z and s390 unit record devices * (z/VM virtual punch, reader, printer) diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index aaed778f67c4..4369662cfff5 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * zcore module to export memory content and register sets for creating system * dumps on SCSI disks (zfcpdump). The "zcore/mem" debugfs file shows the same @@ -7,7 +8,6 @@ * * Copyright IBM Corp. 2003, 2008 * Author(s): Michael Holzheu - * License: GPL */ #define KMSG_COMPONENT "zdump" diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index e2f7b6e93efd..bfec1485ca23 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * bus driver for ccwgroup * diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c index f4166f80c4d4..5c94a3aec4dd 100644 --- a/drivers/s390/cio/chp.c +++ b/drivers/s390/cio/chp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 1999, 2010 * Author(s): Cornelia Huck (cornelia.huck@de.ibm.com) diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 7b0b295b2313..c08fc5a8df0c 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * S/390 common I/O routines -- channel subsystem call * diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c index 8e7e19b9e92c..0015729d917d 100644 --- a/drivers/s390/cio/chsc_sch.c +++ b/drivers/s390/cio/chsc_sch.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for s390 chsc subchannels * diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 89216174fcbb..987bf9a8c9f7 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * S/390 common I/O routines -- low level i/o calls * diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c index 7d59230e88bb..5e495c62cfa7 100644 --- a/drivers/s390/cio/cmf.c +++ b/drivers/s390/cio/cmf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Linux on zSeries Channel Measurement Facility support * @@ -7,20 +8,6 @@ * Cornelia Huck <cornelia.huck@de.ibm.com> * * original idea from Natarajan Krishnaswami <nkrishna@us.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define KMSG_COMPONENT "cio" diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index d3e504c3c362..0f11dce6e224 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * driver for channel subsystem * @@ -5,8 +6,6 @@ * * Author(s): Arnd Bergmann (arndb@de.ibm.com) * Cornelia Huck (cornelia.huck@de.ibm.com) - * - * License: GPL */ #define KMSG_COMPONENT "cio" diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 318d8269f5de..75a245f38e2e 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * bus driver for ccw devices * @@ -5,8 +6,6 @@ * Author(s): Arnd Bergmann (arndb@de.ibm.com) * Cornelia Huck (cornelia.huck@de.ibm.com) * Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * License: GPL */ #define KMSG_COMPONENT "cio" diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index dd7d79d30edc..1319122e9d12 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * finite state machine for device handling * diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index cf8c4ac6323a..1caf6a398760 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Copyright IBM Corp. 2002, 2009 * * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) * Cornelia Huck (cornelia.huck@de.ibm.com) - * - * License: GPL */ #include <linux/export.h> #include <linux/init.h> diff --git a/drivers/s390/cio/eadm_sch.c b/drivers/s390/cio/eadm_sch.c index ce16e4f45d44..53468ae64b99 100644 --- a/drivers/s390/cio/eadm_sch.c +++ b/drivers/s390/cio/eadm_sch.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for s390 eadm subchannels * diff --git a/drivers/s390/cio/isc.c b/drivers/s390/cio/isc.c index c592087be0f1..77fde9f5ea8b 100644 --- a/drivers/s390/cio/isc.c +++ b/drivers/s390/cio/isc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Functions for registration of I/O interruption subclasses on s390. * diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index ed4852fab44b..59b4a3370cd5 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux for s390 qdio support, buffer handling, qdio API and module support. * diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index 9ae1380cbc31..98f3cfdc0d02 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * qdio queue initialization * diff --git a/drivers/s390/cio/scm.c b/drivers/s390/cio/scm.c index 1fa53ecdc2aa..6bca1d5455d4 100644 --- a/drivers/s390/cio/scm.c +++ b/drivers/s390/cio/scm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Recognize and maintain s390 storage class memory. * diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c index 82f05c4b8c52..ea6a2d0b2894 100644 --- a/drivers/s390/cio/vfio_ccw_drv.c +++ b/drivers/s390/cio/vfio_ccw_drv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * VFIO based Physical Subchannel device driver * diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index faeba9db3d95..48d55dc9e986 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright IBM Corp. 2006, 2012 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> @@ -7,20 +8,6 @@ * Holger Dengler <hd@linux.vnet.ibm.com> * * Adjunct processor bus. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define KMSG_COMPONENT "ap" diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index 7e45c4d08cad..e0827eaa42f1 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright IBM Corp. 2006, 2012 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> @@ -7,20 +8,6 @@ * Holger Dengler <hd@linux.vnet.ibm.com> * * Adjunct processor bus header file. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _AP_BUS_H_ diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index 8dda5bb34a2f..e7c2e4f9529a 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * pkey device driver * * Copyright IBM Corp. 2017 * Author(s): Harald Freudenberger - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * */ #define KMSG_COMPONENT "pkey" diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index b5f4006198b9..ce15f101ee28 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -10,20 +11,6 @@ * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> @@ -218,8 +205,8 @@ static inline bool zcrypt_queue_compare(struct zcrypt_queue *zq, weight += atomic_read(&zq->load); pref_weight += atomic_read(&pref_zq->load); if (weight == pref_weight) - return &zq->queue->total_request_count > - &pref_zq->queue->total_request_count; + return zq->queue->total_request_count > + pref_zq->queue->total_request_count; return weight > pref_weight; } diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h index 73541a798db7..9fff8912f6e3 100644 --- a/drivers/s390/crypto/zcrypt_api.h +++ b/drivers/s390/crypto/zcrypt_api.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -10,20 +11,6 @@ * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _ZCRYPT_API_H_ diff --git a/drivers/s390/crypto/zcrypt_card.c b/drivers/s390/crypto/zcrypt_card.c index f85dacf1c284..233e1e695208 100644 --- a/drivers/s390/crypto/zcrypt_card.c +++ b/drivers/s390/crypto/zcrypt_card.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -10,16 +11,6 @@ * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/s390/crypto/zcrypt_cca_key.h b/drivers/s390/crypto/zcrypt_cca_key.h index 12cff6262566..011d61d8a4ae 100644 --- a/drivers/s390/crypto/zcrypt_cca_key.h +++ b/drivers/s390/crypto/zcrypt_cca_key.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -7,20 +8,6 @@ * * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _ZCRYPT_CCA_KEY_H_ diff --git a/drivers/s390/crypto/zcrypt_cex2a.c b/drivers/s390/crypto/zcrypt_cex2a.c index b97c5d5ee5a4..e701194d3611 100644 --- a/drivers/s390/crypto/zcrypt_cex2a.c +++ b/drivers/s390/crypto/zcrypt_cex2a.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -9,20 +10,6 @@ * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/s390/crypto/zcrypt_cex2a.h b/drivers/s390/crypto/zcrypt_cex2a.h index 0dce4b9af184..c3c116777c93 100644 --- a/drivers/s390/crypto/zcrypt_cex2a.h +++ b/drivers/s390/crypto/zcrypt_cex2a.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -7,20 +8,6 @@ * * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _ZCRYPT_CEX2A_H_ diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c index e2eebc775a37..f305538334ad 100644 --- a/drivers/s390/crypto/zcrypt_cex4.c +++ b/drivers/s390/crypto/zcrypt_cex4.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2012 * Author(s): Holger Dengler <hd@linux.vnet.ibm.com> diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h index 13df60209ed3..01598d83c60a 100644 --- a/drivers/s390/crypto/zcrypt_error.h +++ b/drivers/s390/crypto/zcrypt_error.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -7,20 +8,6 @@ * * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _ZCRYPT_ERROR_H_ diff --git a/drivers/s390/crypto/zcrypt_msgtype50.c b/drivers/s390/crypto/zcrypt_msgtype50.c index db5bde47dfb0..afe1b2bcd7ec 100644 --- a/drivers/s390/crypto/zcrypt_msgtype50.c +++ b/drivers/s390/crypto/zcrypt_msgtype50.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -9,20 +10,6 @@ * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define KMSG_COMPONENT "zcrypt" diff --git a/drivers/s390/crypto/zcrypt_msgtype50.h b/drivers/s390/crypto/zcrypt_msgtype50.h index 5cc280318ee7..0a36545cfb8e 100644 --- a/drivers/s390/crypto/zcrypt_msgtype50.h +++ b/drivers/s390/crypto/zcrypt_msgtype50.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -8,20 +9,6 @@ * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _ZCRYPT_MSGTYPE50_H_ diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c index 785620d30504..f54bef4a928e 100644 --- a/drivers/s390/crypto/zcrypt_msgtype6.c +++ b/drivers/s390/crypto/zcrypt_msgtype6.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -9,20 +10,6 @@ * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define KMSG_COMPONENT "zcrypt" diff --git a/drivers/s390/crypto/zcrypt_msgtype6.h b/drivers/s390/crypto/zcrypt_msgtype6.h index 7a0d5b57821f..d314f4525518 100644 --- a/drivers/s390/crypto/zcrypt_msgtype6.h +++ b/drivers/s390/crypto/zcrypt_msgtype6.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -8,20 +9,6 @@ * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _ZCRYPT_MSGTYPE6_H_ diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c index 600604782b65..159b0a0dd211 100644 --- a/drivers/s390/crypto/zcrypt_pcixcc.c +++ b/drivers/s390/crypto/zcrypt_pcixcc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -9,20 +10,6 @@ * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/s390/crypto/zcrypt_pcixcc.h b/drivers/s390/crypto/zcrypt_pcixcc.h index eacafc8962f2..d678a3af83a7 100644 --- a/drivers/s390/crypto/zcrypt_pcixcc.h +++ b/drivers/s390/crypto/zcrypt_pcixcc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -8,20 +9,6 @@ * Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com) * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _ZCRYPT_PCIXCC_H_ diff --git a/drivers/s390/crypto/zcrypt_queue.c b/drivers/s390/crypto/zcrypt_queue.c index 4742be0eec24..720434e18007 100644 --- a/drivers/s390/crypto/zcrypt_queue.c +++ b/drivers/s390/crypto/zcrypt_queue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zcrypt 2.1.0 * @@ -10,16 +11,6 @@ * Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com> * Ralph Wuerthner <rwuerthn@de.ibm.com> * MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index be9f17218531..7ce98b70cad3 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2001, 2009 * Author(s): diff --git a/drivers/s390/net/fsm.c b/drivers/s390/net/fsm.c index c81adf8042d7..eb07862bd36a 100644 --- a/drivers/s390/net/fsm.c +++ b/drivers/s390/net/fsm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * A generic FSM based on fsm used in isdn4linux * diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index e131a03262ad..92ae84a927fc 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Linux for S/390 Lan Channel Station Network Driver * @@ -7,20 +8,6 @@ * Rewritten by * Frank Pavlic <fpavlic@de.ibm.com> and * Martin Schwidefsky <schwidefsky@de.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define KMSG_COMPONENT "lcs" diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c index b9c7c1e61da2..5ce2424ca729 100644 --- a/drivers/s390/net/netiucv.c +++ b/drivers/s390/net/netiucv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * IUCV network driver * @@ -18,21 +19,6 @@ * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) * Martin Schwidefsky (schwidefsky@de.ibm.com) * Alan Altmark (Alan_Altmark@us.ibm.com) Sept. 2000 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * */ #define KMSG_COMPONENT "netiucv" diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 49b9efeba1bd..98a7f84540ab 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007, 2009 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c index b22ed2a57acd..ae81534de912 100644 --- a/drivers/s390/net/qeth_core_sys.c +++ b/drivers/s390/net/qeth_core_sys.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index d2537c09126d..93d7e345d180 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007, 2009 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index aadd384316a3..0f8c12738b06 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007, 2009 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c index a851d34c642b..3b0c8b8a7634 100644 --- a/drivers/s390/net/smsgiucv.c +++ b/drivers/s390/net/smsgiucv.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * IUCV special message driver * * Copyright IBM Corp. 2003, 2009 * * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/s390/net/smsgiucv_app.c b/drivers/s390/net/smsgiucv_app.c index 32515a201bbc..0a263999f7ae 100644 --- a/drivers/s390/net/smsgiucv_app.c +++ b/drivers/s390/net/smsgiucv_app.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Deliver z/VM CP special messages (SMSG) as uevents. * diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 84752152d41f..a3a8c8d9d717 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * diff --git a/drivers/s390/virtio/Makefile b/drivers/s390/virtio/Makefile index f68af1f317f1..2dc4d9aab634 100644 --- a/drivers/s390/virtio/Makefile +++ b/drivers/s390/virtio/Makefile @@ -1,9 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for kvm guest drivers on s390 # # Copyright IBM Corp. 2008 -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License (version 2 only) -# as published by the Free Software Foundation. obj-$(CONFIG_S390_GUEST) += virtio_ccw.o diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index b18fe2014cf2..ba2e0856d22c 100644 --- a/drivers/s390/virtio/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ccw based virtio transport * * Copyright IBM Corp. 2012, 2014 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> */ diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index cc54bdb5c712..2c8cfa27909d 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -7004,9 +7004,9 @@ static int megasas_mgmt_fasync(int fd, struct file *filep, int mode) /** * megasas_mgmt_poll - char node "poll" entry point * */ -static unsigned int megasas_mgmt_poll(struct file *file, poll_table *wait) +static __poll_t megasas_mgmt_poll(struct file *file, poll_table *wait) { - unsigned int mask; + __poll_t mask; unsigned long flags; poll_wait(file, &megasas_poll_wait, wait); diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index b4c374b08e5e..537de1b7e8e5 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -534,7 +534,7 @@ _ctl_fasync(int fd, struct file *filep, int mode) * @wait - * */ -static unsigned int +static __poll_t _ctl_poll(struct file *filep, poll_table *wait) { struct MPT3SAS_ADAPTER *ioc; diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index f098877eed4a..0c434453aab3 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1140,10 +1140,10 @@ static long sg_compat_ioctl(struct file *filp, unsigned int cmd_in, unsigned lon } #endif -static unsigned int +static __poll_t sg_poll(struct file *filp, poll_table * wait) { - unsigned int res = 0; + __poll_t res = 0; Sg_device *sdp; Sg_fd *sfp; Sg_request *srp; @@ -1174,7 +1174,7 @@ sg_poll(struct file *filp, poll_table * wait) } else if (count < SG_MAX_QUEUE) res |= POLLOUT | POLLWRNORM; SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, - "sg_poll: res=0x%x\n", (int) res)); + "sg_poll: res=0x%x\n", (__force u32) res)); return res; } diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index e19e395b0e44..491b54d986eb 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2276,9 +2276,9 @@ done: return retval; } -static unsigned int comedi_poll(struct file *file, poll_table *wait) +static __poll_t comedi_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; struct comedi_file *cfp = file->private_data; struct comedi_device *dev = cfp->dev; struct comedi_subdevice *s, *s_read; diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c index cc18e25103ca..a557be8a5076 100644 --- a/drivers/staging/comedi/drivers/serial2002.c +++ b/drivers/staging/comedi/drivers/serial2002.c @@ -119,7 +119,7 @@ static void serial2002_tty_read_poll_wait(struct file *f, int timeout) poll_initwait(&table); while (1) { long elapsed; - int mask; + __poll_t mask; mask = f->f_op->poll(f, &table.pt); if (mask & (POLLRDNORM | POLLRDBAND | POLLIN | diff --git a/drivers/staging/irda/net/af_irda.c b/drivers/staging/irda/net/af_irda.c index b82a47b9ef0b..f1d128b2dae9 100644 --- a/drivers/staging/irda/net/af_irda.c +++ b/drivers/staging/irda/net/af_irda.c @@ -1737,12 +1737,12 @@ static int irda_shutdown(struct socket *sock, int how) /* * Function irda_poll (file, sock, wait) */ -static unsigned int irda_poll(struct file * file, struct socket *sock, +static __poll_t irda_poll(struct file * file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct irda_sock *self = irda_sk(sk); - unsigned int mask; + __poll_t mask; poll_wait(file, sk_sleep(sk), wait); mask = 0; diff --git a/drivers/staging/irda/net/irnet/irnet_ppp.c b/drivers/staging/irda/net/irnet/irnet_ppp.c index 7025dcb853d0..75bf9e34311d 100644 --- a/drivers/staging/irda/net/irnet/irnet_ppp.c +++ b/drivers/staging/irda/net/irnet/irnet_ppp.c @@ -419,12 +419,12 @@ irnet_ctrl_read(irnet_socket * ap, * Poll : called when someone do a select on /dev/irnet. * Just check if there are new events... */ -static inline unsigned int +static inline __poll_t irnet_ctrl_poll(irnet_socket * ap, struct file * file, poll_table * wait) { - unsigned int mask; + __poll_t mask; DENTER(CTRL_TRACE, "(ap=0x%p)\n", ap); @@ -608,12 +608,12 @@ dev_irnet_read(struct file * file, /* * Poll : called when someone do a select on /dev/irnet */ -static unsigned int +static __poll_t dev_irnet_poll(struct file * file, poll_table * wait) { irnet_socket * ap = file->private_data; - unsigned int mask; + __poll_t mask; DENTER(FS_TRACE, "(file=0x%p, ap=0x%p)\n", file, ap); diff --git a/drivers/staging/irda/net/irnet/irnet_ppp.h b/drivers/staging/irda/net/irnet/irnet_ppp.h index 32061442cc8e..e6d5aa2a8aac 100644 --- a/drivers/staging/irda/net/irnet/irnet_ppp.h +++ b/drivers/staging/irda/net/irnet/irnet_ppp.h @@ -70,7 +70,7 @@ static ssize_t char __user *, size_t, loff_t *); -static unsigned int +static __poll_t dev_irnet_poll(struct file *, poll_table *); static long diff --git a/drivers/staging/lustre/lnet/lnet/lib-socket.c b/drivers/staging/lustre/lnet/lnet/lib-socket.c index 539a26444f31..984d76843b19 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-socket.c +++ b/drivers/staging/lustre/lnet/lnet/lib-socket.c @@ -318,19 +318,20 @@ lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout) long jiffies_left = timeout * msecs_to_jiffies(MSEC_PER_SEC); unsigned long then; struct timeval tv; + struct kvec iov = { + .iov_base = buffer, + .iov_len = nob + }; + struct msghdr msg = { + .msg_flags = 0 + }; LASSERT(nob > 0); LASSERT(jiffies_left > 0); - for (;;) { - struct kvec iov = { - .iov_base = buffer, - .iov_len = nob - }; - struct msghdr msg = { - .msg_flags = 0 - }; + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, nob); + for (;;) { /* Set receive timeout to remaining time */ jiffies_to_timeval(jiffies_left, &tv); rc = kernel_setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, @@ -342,7 +343,7 @@ lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout) } then = jiffies; - rc = kernel_recvmsg(sock, &msg, &iov, 1, nob, 0); + rc = sock_recvmsg(sock, &msg, 0); jiffies_left -= jiffies - then; if (rc < 0) @@ -351,10 +352,7 @@ lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout) if (!rc) return -ECONNRESET; - buffer = ((char *)buffer) + rc; - nob -= rc; - - if (!nob) + if (!msg_data_left(&msg)) return 0; if (jiffies_left <= 0) diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c index 2d6e64dea266..938b859b6650 100644 --- a/drivers/staging/lustre/lustre/llite/file.c +++ b/drivers/staging/lustre/lustre/llite/file.c @@ -1016,7 +1016,7 @@ static bool file_is_noatime(const struct file *file) if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)) return true; - if ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode)) + if ((inode->i_sb->s_flags & SB_NODIRATIME) && S_ISDIR(inode->i_mode)) return true; return false; diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h index b133fd00c08c..0d62fcf016dc 100644 --- a/drivers/staging/lustre/lustre/llite/llite_internal.h +++ b/drivers/staging/lustre/lustre/llite/llite_internal.h @@ -1296,15 +1296,7 @@ static inline void d_lustre_invalidate(struct dentry *dentry, int nested) spin_lock_nested(&dentry->d_lock, nested ? DENTRY_D_LOCK_NESTED : DENTRY_D_LOCK_NORMAL); ll_d2d(dentry)->lld_invalid = 1; - /* - * We should be careful about dentries created by d_obtain_alias(). - * These dentries are not put in the dentry tree, instead they are - * linked to sb->s_anon through dentry->d_hash. - * shrink_dcache_for_umount() shrinks the tree and sb->s_anon list. - * If we unhashed such a dentry, unmount would not be able to find - * it and busy inodes would be reported. - */ - if (d_count(dentry) == 0 && !(dentry->d_flags & DCACHE_DISCONNECTED)) + if (d_count(dentry) == 0) __d_drop(dentry); spin_unlock(&dentry->d_lock); } diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index 65ac5128f005..8666f1e81ade 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -313,11 +313,11 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, } if (data->ocd_connect_flags & OBD_CONNECT_ACL) { - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; sbi->ll_flags |= LL_SBI_ACL; } else { LCONSOLE_INFO("client wants to enable acl, but mdt not!\n"); - sb->s_flags &= ~MS_POSIXACL; + sb->s_flags &= ~SB_POSIXACL; sbi->ll_flags &= ~LL_SBI_ACL; } @@ -660,7 +660,7 @@ void ll_kill_super(struct super_block *sb) struct ll_sb_info *sbi; /* not init sb ?*/ - if (!(sb->s_flags & MS_ACTIVE)) + if (!(sb->s_flags & SB_ACTIVE)) return; sbi = ll_s2sbi(sb); @@ -2039,8 +2039,8 @@ int ll_remount_fs(struct super_block *sb, int *flags, char *data) int err; __u32 read_only; - if ((bool)(*flags & MS_RDONLY) != sb_rdonly(sb)) { - read_only = *flags & MS_RDONLY; + if ((bool)(*flags & SB_RDONLY) != sb_rdonly(sb)) { + read_only = *flags & SB_RDONLY; err = obd_set_info_async(NULL, sbi->ll_md_exp, sizeof(KEY_READ_ONLY), KEY_READ_ONLY, sizeof(read_only), @@ -2053,9 +2053,9 @@ int ll_remount_fs(struct super_block *sb, int *flags, char *data) } if (read_only) - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; else - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; if (sbi->ll_flags & LL_SBI_VERBOSE) LCONSOLE_WARN("Remounted %s %s\n", profilenm, diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c index dd7596d8763d..6657ebbe068a 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c +++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_fops.c @@ -1255,7 +1255,7 @@ static int atomisp_file_mmap(struct file *file, struct vm_area_struct *vma) return videobuf_mmap_mapper(&pipe->outq, vma); } -static unsigned int atomisp_poll(struct file *file, +static __poll_t atomisp_poll(struct file *file, struct poll_table_struct *pt) { struct video_device *vdev = video_devdata(file); diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c index 5d3b0e5a1283..4ffff6f8b809 100644 --- a/drivers/staging/media/bcm2048/radio-bcm2048.c +++ b/drivers/staging/media/bcm2048/radio-bcm2048.c @@ -2174,11 +2174,11 @@ static int bcm2048_fops_release(struct file *file) return 0; } -static unsigned int bcm2048_fops_poll(struct file *file, +static __poll_t bcm2048_fops_poll(struct file *file, struct poll_table_struct *pts) { struct bcm2048_device *bdev = video_drvdata(file); - int retval = 0; + __poll_t retval = 0; poll_wait(file, &bdev->read_queue, pts); diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c index 155e8c758e4b..588743a6fd8a 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_video.c +++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c @@ -573,7 +573,7 @@ static int vpfe_mmap(struct file *file, struct vm_area_struct *vma) /* * vpfe_poll() - It is used for select/poll system call */ -static unsigned int vpfe_poll(struct file *file, poll_table *wait) +static __poll_t vpfe_poll(struct file *file, poll_table *wait) { struct vpfe_video_device *video = video_drvdata(file); struct vpfe_device *vpfe_dev = video->vpfe_dev; diff --git a/drivers/staging/media/lirc/lirc_zilog.c b/drivers/staging/media/lirc/lirc_zilog.c index 6bd0717bf76e..a003603af725 100644 --- a/drivers/staging/media/lirc/lirc_zilog.c +++ b/drivers/staging/media/lirc/lirc_zilog.c @@ -1197,12 +1197,12 @@ static ssize_t write(struct file *filep, const char __user *buf, size_t n, } /* copied from lirc_dev */ -static unsigned int poll(struct file *filep, poll_table *wait) +static __poll_t poll(struct file *filep, poll_table *wait) { struct IR *ir = lirc_get_pdata(filep); struct IR_rx *rx; struct lirc_buffer *rbuf = ir->l->buf; - unsigned int ret; + __poll_t ret; dev_dbg(ir->dev, "%s called\n", __func__); diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c index 9e2f0421a01e..a3a83424a926 100644 --- a/drivers/staging/media/omap4iss/iss_video.c +++ b/drivers/staging/media/omap4iss/iss_video.c @@ -1185,7 +1185,7 @@ static int iss_video_release(struct file *file) return 0; } -static unsigned int iss_video_poll(struct file *file, poll_table *wait) +static __poll_t iss_video_poll(struct file *file, poll_table *wait) { struct iss_video_fh *vfh = to_iss_video_fh(file->private_data); diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c index 1e5cbc893496..69f530972273 100644 --- a/drivers/staging/most/aim-cdev/cdev.c +++ b/drivers/staging/most/aim-cdev/cdev.c @@ -287,10 +287,10 @@ aim_read(struct file *filp, char __user *buf, size_t count, loff_t *offset) return copied; } -static unsigned int aim_poll(struct file *filp, poll_table *wait) +static __poll_t aim_poll(struct file *filp, poll_table *wait) { struct aim_channel *c = filp->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(filp, &c->wq, wait); diff --git a/drivers/staging/most/aim-v4l2/video.c b/drivers/staging/most/aim-v4l2/video.c index e0748416aee5..7783bc2dd9f5 100644 --- a/drivers/staging/most/aim-v4l2/video.c +++ b/drivers/staging/most/aim-v4l2/video.c @@ -209,11 +209,11 @@ static ssize_t aim_vdev_read(struct file *filp, char __user *buf, return ret; } -static unsigned int aim_vdev_poll(struct file *filp, poll_table *wait) +static __poll_t aim_vdev_poll(struct file *filp, poll_table *wait) { struct aim_fh *fh = filp->private_data; struct most_video_dev *mdev = fh->mdev; - unsigned int mask = 0; + __poll_t mask = 0; /* only wait if no data is available */ if (!data_ready(mdev)) diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c index d99daf69e501..585c6aa124cd 100644 --- a/drivers/staging/speakup/speakup_soft.c +++ b/drivers/staging/speakup/speakup_soft.c @@ -326,10 +326,10 @@ static ssize_t softsynth_write(struct file *fp, const char __user *buf, return count; } -static unsigned int softsynth_poll(struct file *fp, struct poll_table_struct *wait) +static __poll_t softsynth_poll(struct file *fp, struct poll_table_struct *wait) { unsigned long flags; - int ret = 0; + __poll_t ret = 0; poll_wait(fp, &speakup_event, wait); diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c index a3d4610fbdbe..4c8c6fa0a79f 100644 --- a/drivers/staging/vme/devices/vme_user.c +++ b/drivers/staging/vme/devices/vme_user.c @@ -134,7 +134,7 @@ static ssize_t resource_to_user(int minor, char __user *buf, size_t count, if (copied < 0) return (int)copied; - if (__copy_to_user(buf, image[minor].kern_buf, (unsigned long)copied)) + if (copy_to_user(buf, image[minor].kern_buf, (unsigned long)copied)) return -EFAULT; return copied; @@ -146,7 +146,7 @@ static ssize_t resource_from_user(unsigned int minor, const char __user *buf, if (count > image[minor].size_buf) count = image[minor].size_buf; - if (__copy_from_user(image[minor].kern_buf, buf, (unsigned long)count)) + if (copy_from_user(image[minor].kern_buf, buf, (unsigned long)count)) return -EFAULT; return vme_master_write(image[minor].resource, image[minor].kern_buf, @@ -159,7 +159,7 @@ static ssize_t buffer_to_user(unsigned int minor, char __user *buf, void *image_ptr; image_ptr = image[minor].kern_buf + *ppos; - if (__copy_to_user(buf, image_ptr, (unsigned long)count)) + if (copy_to_user(buf, image_ptr, (unsigned long)count)) return -EFAULT; return count; @@ -171,7 +171,7 @@ static ssize_t buffer_from_user(unsigned int minor, const char __user *buf, void *image_ptr; image_ptr = image[minor].kern_buf + *ppos; - if (__copy_from_user(image_ptr, buf, (unsigned long)count)) + if (copy_from_user(image_ptr, buf, (unsigned long)count)) return -EFAULT; return count; diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 5131bdc9e765..0edf4fcfea23 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -2457,10 +2457,10 @@ static ssize_t gsmld_write(struct tty_struct *tty, struct file *file, * Called without the kernel lock held - fine */ -static unsigned int gsmld_poll(struct tty_struct *tty, struct file *file, +static __poll_t gsmld_poll(struct tty_struct *tty, struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; struct gsm_mux *gsm = tty->disc_data; poll_wait(file, &tty->read_wait, wait); diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c index eea7b6cb3cc4..929434ebee50 100644 --- a/drivers/tty/n_hdlc.c +++ b/drivers/tty/n_hdlc.c @@ -180,7 +180,7 @@ static ssize_t n_hdlc_tty_write(struct tty_struct *tty, struct file *file, const unsigned char *buf, size_t nr); static int n_hdlc_tty_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); -static unsigned int n_hdlc_tty_poll(struct tty_struct *tty, struct file *filp, +static __poll_t n_hdlc_tty_poll(struct tty_struct *tty, struct file *filp, poll_table *wait); static int n_hdlc_tty_open(struct tty_struct *tty); static void n_hdlc_tty_close(struct tty_struct *tty); @@ -796,11 +796,11 @@ static int n_hdlc_tty_ioctl(struct tty_struct *tty, struct file *file, * to caller. * Returns a bit mask containing info on which ops will not block. */ -static unsigned int n_hdlc_tty_poll(struct tty_struct *tty, struct file *filp, +static __poll_t n_hdlc_tty_poll(struct tty_struct *tty, struct file *filp, poll_table *wait) { struct n_hdlc *n_hdlc = tty2n_hdlc (tty); - unsigned int mask = 0; + __poll_t mask = 0; if (debuglevel >= DEBUG_LEVEL_INFO) printk("%s(%d)n_hdlc_tty_poll() called\n",__FILE__,__LINE__); diff --git a/drivers/tty/n_r3964.c b/drivers/tty/n_r3964.c index 30bb0900cd2f..e81d3db8ad63 100644 --- a/drivers/tty/n_r3964.c +++ b/drivers/tty/n_r3964.c @@ -135,7 +135,7 @@ static ssize_t r3964_write(struct tty_struct *tty, struct file *file, static int r3964_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); static void r3964_set_termios(struct tty_struct *tty, struct ktermios *old); -static unsigned int r3964_poll(struct tty_struct *tty, struct file *file, +static __poll_t r3964_poll(struct tty_struct *tty, struct file *file, struct poll_table_struct *wait); static void r3964_receive_buf(struct tty_struct *tty, const unsigned char *cp, char *fp, int count); @@ -1216,14 +1216,14 @@ static void r3964_set_termios(struct tty_struct *tty, struct ktermios *old) } /* Called without the kernel lock held - fine */ -static unsigned int r3964_poll(struct tty_struct *tty, struct file *file, +static __poll_t r3964_poll(struct tty_struct *tty, struct file *file, struct poll_table_struct *wait) { struct r3964_info *pInfo = tty->disc_data; struct r3964_client_info *pClient; struct r3964_message *pMsg = NULL; unsigned long flags; - int result = POLLOUT; + __poll_t result = POLLOUT; TRACE_L("POLL"); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 427e0d5d8f13..081bbbb7d49c 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -2368,10 +2368,10 @@ break_out: * Called without the kernel lock held - fine */ -static unsigned int n_tty_poll(struct tty_struct *tty, struct file *file, +static __poll_t n_tty_poll(struct tty_struct *tty, struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &tty->read_wait, wait); poll_wait(file, &tty->write_wait, wait); diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index dc60aeea87d8..00d14d6a76bb 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -144,7 +144,7 @@ static ssize_t tty_read(struct file *, char __user *, size_t, loff_t *); static ssize_t tty_write(struct file *, const char __user *, size_t, loff_t *); ssize_t redirected_tty_write(struct file *, const char __user *, size_t, loff_t *); -static unsigned int tty_poll(struct file *, poll_table *); +static __poll_t tty_poll(struct file *, poll_table *); static int tty_open(struct inode *, struct file *); long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg); #ifdef CONFIG_COMPAT @@ -443,7 +443,7 @@ static ssize_t hung_up_tty_write(struct file *file, const char __user *buf, } /* No kernel lock held - none needed ;) */ -static unsigned int hung_up_tty_poll(struct file *filp, poll_table *wait) +static __poll_t hung_up_tty_poll(struct file *filp, poll_table *wait) { return POLLIN | POLLOUT | POLLERR | POLLHUP | POLLRDNORM | POLLWRNORM; } @@ -2055,11 +2055,11 @@ retry_open: * may be re-entered freely by other callers. */ -static unsigned int tty_poll(struct file *filp, poll_table *wait) +static __poll_t tty_poll(struct file *filp, poll_table *wait) { struct tty_struct *tty = file_tty(filp); struct tty_ldisc *ld; - int ret = 0; + __poll_t ret = 0; if (tty_paranoia_check(tty, file_inode(filp), "tty_poll")) return 0; diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c index 85b6634f518a..3e64ccd0040f 100644 --- a/drivers/tty/vt/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c @@ -559,11 +559,11 @@ unlock_out: return ret; } -static unsigned int +static __poll_t vcs_poll(struct file *file, poll_table *wait) { struct vcs_poll_data *poll = vcs_poll_data_get(file); - int ret = DEFAULT_POLLMASK|POLLERR|POLLPRI; + __poll_t ret = DEFAULT_POLLMASK|POLLERR|POLLPRI; if (poll) { poll_wait(file, &poll->waitq, wait); diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index ff04b7f8549f..85bc1aaea4a4 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -496,7 +496,7 @@ static int uio_release(struct inode *inode, struct file *filep) return ret; } -static unsigned int uio_poll(struct file *filep, poll_table *wait) +static __poll_t uio_poll(struct file *filep, poll_table *wait) { struct uio_listener *listener = filep->private_data; struct uio_device *idev = listener->dev; diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 6c181a625daf..9627ea6ec3ae 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -595,11 +595,11 @@ static int wdm_flush(struct file *file, fl_owner_t id) return usb_translate_errors(desc->werr); } -static unsigned int wdm_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t wdm_poll(struct file *file, struct poll_table_struct *wait) { struct wdm_device *desc = file->private_data; unsigned long flags; - unsigned int mask = 0; + __poll_t mask = 0; spin_lock_irqsave(&desc->iuspin, flags); if (test_bit(WDM_DISCONNECTING, &desc->flags)) { diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index c454885ef4a0..f45e8877771a 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -469,9 +469,9 @@ static int usblp_release(struct inode *inode, struct file *file) } /* No kernel lock - fine */ -static unsigned int usblp_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t usblp_poll(struct file *file, struct poll_table_struct *wait) { - int ret; + __poll_t ret; unsigned long flags; struct usblp *usblp = file->private_data; diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 0b8b0f3bdd2f..7ea67a55be10 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1257,10 +1257,10 @@ static int usbtmc_fasync(int fd, struct file *file, int on) return fasync_helper(fd, file, on, &data->fasync); } -static unsigned int usbtmc_poll(struct file *file, poll_table *wait) +static __poll_t usbtmc_poll(struct file *file, poll_table *wait) { struct usbtmc_device_data *data = file->private_data; - unsigned int mask; + __poll_t mask; mutex_lock(&data->io_mutex); diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index c2cf62b7043a..e2cec448779e 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -622,7 +622,7 @@ static ssize_t usb_device_read(struct file *file, char __user *buf, } /* Kernel lock for "lastev" protection */ -static unsigned int usb_device_poll(struct file *file, +static __poll_t usb_device_poll(struct file *file, struct poll_table_struct *wait) { unsigned int event_count; diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 705c573d0257..929a7380be66 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -2568,11 +2568,11 @@ static long usbdev_compat_ioctl(struct file *file, unsigned int cmd, #endif /* No kernel lock - fine */ -static unsigned int usbdev_poll(struct file *file, +static __poll_t usbdev_poll(struct file *file, struct poll_table_struct *wait) { struct usb_dev_state *ps = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &ps->wait, wait); if (file->f_mode & FMODE_WRITE && !list_empty(&ps->async_completed)) diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 97ea059a7aa4..17efadd6b395 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -638,10 +638,10 @@ static long ffs_ep0_ioctl(struct file *file, unsigned code, unsigned long value) return ret; } -static unsigned int ffs_ep0_poll(struct file *file, poll_table *wait) +static __poll_t ffs_ep0_poll(struct file *file, poll_table *wait) { struct ffs_data *ffs = file->private_data; - unsigned int mask = POLLWRNORM; + __poll_t mask = POLLWRNORM; int ret; poll_wait(file, &ffs->ev.waitq, wait); diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index daae35318a3a..a73efb1c47d0 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -413,10 +413,10 @@ release_write_pending_unlocked: return status; } -static unsigned int f_hidg_poll(struct file *file, poll_table *wait) +static __poll_t f_hidg_poll(struct file *file, poll_table *wait) { struct f_hidg *hidg = file->private_data; - unsigned int ret = 0; + __poll_t ret = 0; poll_wait(file, &hidg->read_queue, wait); poll_wait(file, &hidg->write_queue, wait); diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index dd607b99eb1d..453578c4af69 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -680,12 +680,12 @@ printer_fsync(struct file *fd, loff_t start, loff_t end, int datasync) return 0; } -static unsigned int +static __poll_t printer_poll(struct file *fd, poll_table *wait) { struct printer_dev *dev = fd->private_data; unsigned long flags; - int status = 0; + __poll_t status = 0; mutex_lock(&dev->lock_printer_io); spin_lock_irqsave(&dev->lock, flags); diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c index 278d50ff1eea..9e33d5206d54 100644 --- a/drivers/usb/gadget/function/uvc_queue.c +++ b/drivers/usb/gadget/function/uvc_queue.c @@ -193,7 +193,7 @@ int uvcg_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf, * This function implements video queue polling and is intended to be used by * the device poll handler. */ -unsigned int uvcg_queue_poll(struct uvc_video_queue *queue, struct file *file, +__poll_t uvcg_queue_poll(struct uvc_video_queue *queue, struct file *file, poll_table *wait) { return vb2_poll(&queue->queue, file, wait); diff --git a/drivers/usb/gadget/function/uvc_queue.h b/drivers/usb/gadget/function/uvc_queue.h index 51ee94e5cf2b..f9f65b5c1062 100644 --- a/drivers/usb/gadget/function/uvc_queue.h +++ b/drivers/usb/gadget/function/uvc_queue.h @@ -72,7 +72,7 @@ int uvcg_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf); int uvcg_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf, int nonblocking); -unsigned int uvcg_queue_poll(struct uvc_video_queue *queue, +__poll_t uvcg_queue_poll(struct uvc_video_queue *queue, struct file *file, poll_table *wait); int uvcg_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma); diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c index f3069db6f08e..9a9019625496 100644 --- a/drivers/usb/gadget/function/uvc_v4l2.c +++ b/drivers/usb/gadget/function/uvc_v4l2.c @@ -329,7 +329,7 @@ uvc_v4l2_mmap(struct file *file, struct vm_area_struct *vma) return uvcg_queue_mmap(&uvc->video.queue, vma); } -static unsigned int +static __poll_t uvc_v4l2_poll(struct file *file, poll_table *wait) { struct video_device *vdev = video_devdata(file); diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 9343ec436485..05691254d473 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1209,11 +1209,11 @@ dev_release (struct inode *inode, struct file *fd) return 0; } -static unsigned int +static __poll_t ep0_poll (struct file *fd, poll_table *wait) { struct dev_data *dev = fd->private_data; - int mask = 0; + __poll_t mask = 0; if (dev->state <= STATE_DEV_OPENED) return DEFAULT_POLLMASK; diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index ad3109490c0f..1fa00b35f4ad 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -677,10 +677,10 @@ static int iowarrior_release(struct inode *inode, struct file *file) return retval; } -static unsigned iowarrior_poll(struct file *file, poll_table * wait) +static __poll_t iowarrior_poll(struct file *file, poll_table * wait) { struct iowarrior *dev = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; if (!dev->present) return POLLERR | POLLHUP; diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 5c1a3b852453..074398c1e410 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -409,10 +409,10 @@ exit: /** * ld_usb_poll */ -static unsigned int ld_usb_poll(struct file *file, poll_table *wait) +static __poll_t ld_usb_poll(struct file *file, poll_table *wait) { struct ld_usb *dev; - unsigned int mask = 0; + __poll_t mask = 0; dev = file->private_data; diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index c5be6e9e24a5..941c45028828 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -224,7 +224,7 @@ static ssize_t tower_write (struct file *file, const char __user *buffer, size_t static inline void tower_delete (struct lego_usb_tower *dev); static int tower_open (struct inode *inode, struct file *file); static int tower_release (struct inode *inode, struct file *file); -static unsigned int tower_poll (struct file *file, poll_table *wait); +static __poll_t tower_poll (struct file *file, poll_table *wait); static loff_t tower_llseek (struct file *file, loff_t off, int whence); static void tower_abort_transfers (struct lego_usb_tower *dev); @@ -509,10 +509,10 @@ static void tower_check_for_read_packet (struct lego_usb_tower *dev) /** * tower_poll */ -static unsigned int tower_poll (struct file *file, poll_table *wait) +static __poll_t tower_poll (struct file *file, poll_table *wait) { struct lego_usb_tower *dev; - unsigned int mask = 0; + __poll_t mask = 0; dev = file->private_data; diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index f6ae753ab99b..bc6fa666f75a 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1189,11 +1189,11 @@ static long mon_bin_compat_ioctl(struct file *file, } #endif /* CONFIG_COMPAT */ -static unsigned int +static __poll_t mon_bin_poll(struct file *file, struct poll_table_struct *wait) { struct mon_reader_bin *rp = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; unsigned long flags; if (file->f_mode & FMODE_READ) diff --git a/drivers/vfio/virqfd.c b/drivers/vfio/virqfd.c index 4797217e5e72..8cc4b48ff127 100644 --- a/drivers/vfio/virqfd.c +++ b/drivers/vfio/virqfd.c @@ -46,7 +46,7 @@ static void virqfd_deactivate(struct virqfd *virqfd) static int virqfd_wakeup(wait_queue_entry_t *wait, unsigned mode, int sync, void *key) { struct virqfd *virqfd = container_of(wait, struct virqfd, wait); - unsigned long flags = (unsigned long)key; + __poll_t flags = key_to_poll(key); if (flags & POLLIN) { /* An event has been signaled, call function */ @@ -113,7 +113,7 @@ int vfio_virqfd_enable(void *opaque, struct eventfd_ctx *ctx; struct virqfd *virqfd; int ret = 0; - unsigned int events; + __poll_t events; virqfd = kzalloc(sizeof(*virqfd), GFP_KERNEL); if (!virqfd) diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 8d626d7c2e7e..0ed445a17c54 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -1353,7 +1353,7 @@ static ssize_t vhost_net_chr_write_iter(struct kiocb *iocb, return vhost_chr_write_iter(dev, from); } -static unsigned int vhost_net_chr_poll(struct file *file, poll_table *wait) +static __poll_t vhost_net_chr_poll(struct file *file, poll_table *wait) { struct vhost_net *n = file->private_data; struct vhost_dev *dev = &n->dev; diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 33ac2b186b85..3bbeabff505a 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -170,7 +170,7 @@ static int vhost_poll_wakeup(wait_queue_entry_t *wait, unsigned mode, int sync, { struct vhost_poll *poll = container_of(wait, struct vhost_poll, wait); - if (!((unsigned long)key & poll->mask)) + if (!(key_to_poll(key) & poll->mask)) return 0; vhost_poll_queue(poll); @@ -187,7 +187,7 @@ EXPORT_SYMBOL_GPL(vhost_work_init); /* Init poll structure */ void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn, - unsigned long mask, struct vhost_dev *dev) + __poll_t mask, struct vhost_dev *dev) { init_waitqueue_func_entry(&poll->wait, vhost_poll_wakeup); init_poll_funcptr(&poll->table, vhost_poll_func); @@ -203,7 +203,7 @@ EXPORT_SYMBOL_GPL(vhost_poll_init); * keep a reference to a file until after vhost_poll_stop is called. */ int vhost_poll_start(struct vhost_poll *poll, struct file *file) { - unsigned long mask; + __poll_t mask; int ret = 0; if (poll->wqh) @@ -211,7 +211,7 @@ int vhost_poll_start(struct vhost_poll *poll, struct file *file) mask = file->f_op->poll(file, &poll->table); if (mask) - vhost_poll_wakeup(&poll->wait, 0, 0, (void *)mask); + vhost_poll_wakeup(&poll->wait, 0, 0, poll_to_key(mask)); if (mask & POLLERR) { if (poll->wqh) remove_wait_queue(poll->wqh, &poll->wait); @@ -1057,10 +1057,10 @@ done: } EXPORT_SYMBOL(vhost_chr_write_iter); -unsigned int vhost_chr_poll(struct file *file, struct vhost_dev *dev, +__poll_t vhost_chr_poll(struct file *file, struct vhost_dev *dev, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &dev->wait, wait); diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index 79c6e7a60a5e..7876a3d7d1b3 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -34,7 +34,7 @@ struct vhost_poll { wait_queue_head_t *wqh; wait_queue_entry_t wait; struct vhost_work work; - unsigned long mask; + __poll_t mask; struct vhost_dev *dev; }; @@ -43,7 +43,7 @@ void vhost_work_queue(struct vhost_dev *dev, struct vhost_work *work); bool vhost_has_work(struct vhost_dev *dev); void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn, - unsigned long mask, struct vhost_dev *dev); + __poll_t mask, struct vhost_dev *dev); int vhost_poll_start(struct vhost_poll *poll, struct file *file); void vhost_poll_stop(struct vhost_poll *poll); void vhost_poll_flush(struct vhost_poll *poll); @@ -217,7 +217,7 @@ void vhost_enqueue_msg(struct vhost_dev *dev, struct vhost_msg_node *node); struct vhost_msg_node *vhost_dequeue_msg(struct vhost_dev *dev, struct list_head *head); -unsigned int vhost_chr_poll(struct file *file, struct vhost_dev *dev, +__poll_t vhost_chr_poll(struct file *file, struct vhost_dev *dev, poll_table *wait); ssize_t vhost_chr_read_iter(struct vhost_dev *dev, struct iov_iter *to, int noblock); diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c index d70ad6d38879..b0597bef4555 100644 --- a/drivers/virt/fsl_hypervisor.c +++ b/drivers/virt/fsl_hypervisor.c @@ -565,11 +565,11 @@ static irqreturn_t fsl_hv_state_change_isr(int irq, void *data) /* * Returns a bitmask indicating whether a read will block */ -static unsigned int fsl_hv_poll(struct file *filp, struct poll_table_struct *p) +static __poll_t fsl_hv_poll(struct file *filp, struct poll_table_struct *p) { struct doorbell_queue *dbq = filp->private_data; unsigned long flags; - unsigned int mask; + __poll_t mask; spin_lock_irqsave(&dbq->lock, flags); diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index 9729a64ea1a9..72c0416a01cc 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -621,9 +621,9 @@ static long evtchn_ioctl(struct file *file, return rc; } -static unsigned int evtchn_poll(struct file *file, poll_table *wait) +static __poll_t evtchn_poll(struct file *file, poll_table *wait) { - unsigned int mask = POLLOUT | POLLWRNORM; + __poll_t mask = POLLOUT | POLLWRNORM; struct per_user_data *u = file->private_data; poll_wait(file, &u->evtchn_wait, wait); diff --git a/drivers/xen/mcelog.c b/drivers/xen/mcelog.c index 6cc1c15bcd84..9ade533d9e40 100644 --- a/drivers/xen/mcelog.c +++ b/drivers/xen/mcelog.c @@ -139,7 +139,7 @@ out: return err ? err : buf - ubuf; } -static unsigned int xen_mce_chrdev_poll(struct file *file, poll_table *wait) +static __poll_t xen_mce_chrdev_poll(struct file *file, poll_table *wait) { poll_wait(file, &xen_mce_chrdev_wait, wait); diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index 40caa92bff33..74c854955a6b 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -878,7 +878,7 @@ received: return ret; } -static unsigned int pvcalls_front_poll_passive(struct file *file, +static __poll_t pvcalls_front_poll_passive(struct file *file, struct pvcalls_bedata *bedata, struct sock_mapping *map, poll_table *wait) @@ -935,12 +935,12 @@ static unsigned int pvcalls_front_poll_passive(struct file *file, return 0; } -static unsigned int pvcalls_front_poll_active(struct file *file, +static __poll_t pvcalls_front_poll_active(struct file *file, struct pvcalls_bedata *bedata, struct sock_mapping *map, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; int32_t in_error, out_error; struct pvcalls_data_intf *intf = map->active.ring; @@ -958,12 +958,12 @@ static unsigned int pvcalls_front_poll_active(struct file *file, return mask; } -unsigned int pvcalls_front_poll(struct file *file, struct socket *sock, +__poll_t pvcalls_front_poll(struct file *file, struct socket *sock, poll_table *wait) { struct pvcalls_bedata *bedata; struct sock_mapping *map; - int ret; + __poll_t ret; pvcalls_enter(); if (!pvcalls_front_dev) { diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index f3b089b7c0b6..e17ec3fce590 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -645,7 +645,7 @@ static int xenbus_file_release(struct inode *inode, struct file *filp) return 0; } -static unsigned int xenbus_file_poll(struct file *file, poll_table *wait) +static __poll_t xenbus_file_poll(struct file *file, poll_table *wait) { struct xenbus_file_priv *u = file->private_data; diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 8b75463cb211..af03c2a901eb 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -94,13 +94,13 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses, if (v9ses->cache) sb->s_bdi->ra_pages = (VM_MAX_READAHEAD * 1024)/PAGE_SIZE; - sb->s_flags |= MS_ACTIVE | MS_DIRSYNC | MS_NOATIME; + sb->s_flags |= SB_ACTIVE | SB_DIRSYNC | SB_NOATIME; if (!v9ses->cache) - sb->s_flags |= MS_SYNCHRONOUS; + sb->s_flags |= SB_SYNCHRONOUS; #ifdef CONFIG_9P_FS_POSIX_ACL if ((v9ses->flags & V9FS_ACL_MASK) == V9FS_POSIX_ACL) - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; #endif return 0; diff --git a/fs/adfs/super.c b/fs/adfs/super.c index c9fdfb112933..cfda2c7caedc 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -213,7 +213,7 @@ static int parse_options(struct super_block *sb, char *options) static int adfs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_NODIRATIME; + *flags |= SB_NODIRATIME; return parse_options(sb, data); } @@ -372,7 +372,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) struct inode *root; int ret = -EINVAL; - sb->s_flags |= MS_NODIRATIME; + sb->s_flags |= SB_NODIRATIME; asb = kzalloc(sizeof(*asb), GFP_KERNEL); if (!asb) diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c index 185d5ab7e986..0f0e6925e97d 100644 --- a/fs/affs/amigaffs.c +++ b/fs/affs/amigaffs.c @@ -453,7 +453,7 @@ affs_error(struct super_block *sb, const char *function, const char *fmt, ...) pr_crit("error (device %s): %s(): %pV\n", sb->s_id, function, &vaf); if (!sb_rdonly(sb)) pr_warn("Remounting filesystem read-only\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; va_end(args); } diff --git a/fs/affs/bitmap.c b/fs/affs/bitmap.c index 2b1399611d9e..5ba9ef2742f6 100644 --- a/fs/affs/bitmap.c +++ b/fs/affs/bitmap.c @@ -250,12 +250,12 @@ int affs_init_bitmap(struct super_block *sb, int *flags) int i, res = 0; struct affs_sb_info *sbi = AFFS_SB(sb); - if (*flags & MS_RDONLY) + if (*flags & SB_RDONLY) return 0; if (!AFFS_ROOT_TAIL(sb, sbi->s_root_bh)->bm_flag) { pr_notice("Bitmap invalid - mounting %s read only\n", sb->s_id); - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; return 0; } @@ -288,7 +288,7 @@ int affs_init_bitmap(struct super_block *sb, int *flags) if (affs_checksum_block(sb, bh)) { pr_warn("Bitmap %u invalid - mounting %s read only.\n", bm->bm_key, sb->s_id); - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; goto out; } pr_debug("read bitmap block %d: %d\n", blk, bm->bm_key); diff --git a/fs/affs/super.c b/fs/affs/super.c index 884bedab7266..1117e36134cc 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -356,7 +356,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent) sb->s_magic = AFFS_SUPER_MAGIC; sb->s_op = &affs_sops; - sb->s_flags |= MS_NODIRATIME; + sb->s_flags |= SB_NODIRATIME; sbi = kzalloc(sizeof(struct affs_sb_info), GFP_KERNEL); if (!sbi) @@ -466,7 +466,7 @@ got_root: if ((chksum == FS_DCFFS || chksum == MUFS_DCFFS || chksum == FS_DCOFS || chksum == MUFS_DCOFS) && !sb_rdonly(sb)) { pr_notice("Dircache FS - mounting %s read only\n", sb->s_id); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } switch (chksum) { case MUFS_FS: @@ -488,7 +488,7 @@ got_root: /* fall thru */ case FS_OFS: affs_set_opt(sbi->s_flags, SF_OFS); - sb->s_flags |= MS_NOEXEC; + sb->s_flags |= SB_NOEXEC; break; case MUFS_DCOFS: case MUFS_INTLOFS: @@ -497,7 +497,7 @@ got_root: case FS_INTLOFS: affs_set_opt(sbi->s_flags, SF_INTL); affs_set_opt(sbi->s_flags, SF_OFS); - sb->s_flags |= MS_NOEXEC; + sb->s_flags |= SB_NOEXEC; break; default: pr_err("Unknown filesystem on device %s: %08X\n", @@ -513,7 +513,7 @@ got_root: sig, sig[3] + '0', blocksize); } - sb->s_flags |= MS_NODEV | MS_NOSUID; + sb->s_flags |= SB_NODEV | SB_NOSUID; sbi->s_data_blksize = sb->s_blocksize; if (affs_test_opt(sbi->s_flags, SF_OFS)) @@ -570,7 +570,7 @@ affs_remount(struct super_block *sb, int *flags, char *data) pr_debug("%s(flags=0x%x,opts=\"%s\")\n", __func__, *flags, data); sync_filesystem(sb); - *flags |= MS_NODIRATIME; + *flags |= SB_NODIRATIME; memcpy(volume, sbi->s_volume, 32); if (!parse_options(data, &uid, &gid, &mode, &reserved, &root_block, @@ -596,10 +596,10 @@ affs_remount(struct super_block *sb, int *flags, char *data) memcpy(sbi->s_volume, volume, 32); spin_unlock(&sbi->symlink_lock); - if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) + if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) return 0; - if (*flags & MS_RDONLY) + if (*flags & SB_RDONLY) affs_free_bitmap(sb); else res = affs_init_bitmap(sb, flags); diff --git a/fs/afs/internal.h b/fs/afs/internal.h index e03910cebdd4..804d1f905622 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -441,7 +441,10 @@ enum afs_lock_state { }; /* - * AFS inode private data + * AFS inode private data. + * + * Note that afs_alloc_inode() *must* reset anything that could incorrectly + * leak from one inode to another. */ struct afs_vnode { struct inode vfs_inode; /* the VFS's inode record */ diff --git a/fs/afs/security.c b/fs/afs/security.c index 2b00097101b3..b88b7d45fdaa 100644 --- a/fs/afs/security.c +++ b/fs/afs/security.c @@ -120,7 +120,7 @@ static void afs_hash_permits(struct afs_permits *permits) void afs_cache_permit(struct afs_vnode *vnode, struct key *key, unsigned int cb_break) { - struct afs_permits *permits, *xpermits, *replacement, *new = NULL; + struct afs_permits *permits, *xpermits, *replacement, *zap, *new = NULL; afs_access_t caller_access = READ_ONCE(vnode->status.caller_access); size_t size = 0; bool changed = false; @@ -204,7 +204,7 @@ void afs_cache_permit(struct afs_vnode *vnode, struct key *key, new = kzalloc(sizeof(struct afs_permits) + sizeof(struct afs_permit) * size, GFP_NOFS); if (!new) - return; + goto out_put; refcount_set(&new->usage, 1); new->nr_permits = size; @@ -229,8 +229,6 @@ void afs_cache_permit(struct afs_vnode *vnode, struct key *key, afs_hash_permits(new); - afs_put_permits(permits); - /* Now see if the permit list we want is actually already available */ spin_lock(&afs_permits_lock); @@ -262,11 +260,15 @@ found: kfree(new); spin_lock(&vnode->lock); - if (cb_break != (vnode->cb_break + vnode->cb_interest->server->cb_s_break) || - permits != rcu_access_pointer(vnode->permit_cache)) - goto someone_else_changed_it_unlock; - rcu_assign_pointer(vnode->permit_cache, replacement); + zap = rcu_access_pointer(vnode->permit_cache); + if (cb_break == (vnode->cb_break + vnode->cb_interest->server->cb_s_break) && + zap == permits) + rcu_assign_pointer(vnode->permit_cache, replacement); + else + zap = replacement; spin_unlock(&vnode->lock); + afs_put_permits(zap); +out_put: afs_put_permits(permits); return; diff --git a/fs/afs/super.c b/fs/afs/super.c index 875b5eb02242..1037dd41a622 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -496,10 +496,10 @@ static struct dentry *afs_mount(struct file_system_type *fs_type, if (ret < 0) goto error_sb; as = NULL; - sb->s_flags |= MS_ACTIVE; + sb->s_flags |= SB_ACTIVE; } else { _debug("reuse"); - ASSERTCMP(sb->s_flags, &, MS_ACTIVE); + ASSERTCMP(sb->s_flags, &, SB_ACTIVE); afs_destroy_sbi(as); as = NULL; } @@ -536,7 +536,9 @@ static void afs_kill_super(struct super_block *sb) } /* - * initialise an inode cache slab element prior to any use + * Initialise an inode cache slab element prior to any use. Note that + * afs_alloc_inode() *must* reset anything that could incorrectly leak from one + * inode to another. */ static void afs_i_init_once(void *_vnode) { @@ -568,11 +570,21 @@ static struct inode *afs_alloc_inode(struct super_block *sb) atomic_inc(&afs_count_active_inodes); + /* Reset anything that shouldn't leak from one inode to the next. */ memset(&vnode->fid, 0, sizeof(vnode->fid)); memset(&vnode->status, 0, sizeof(vnode->status)); vnode->volume = NULL; + vnode->lock_key = NULL; + vnode->permit_cache = NULL; + vnode->cb_interest = NULL; +#ifdef CONFIG_AFS_FSCACHE + vnode->cache = NULL; +#endif + vnode->flags = 1 << AFS_VNODE_UNSET; + vnode->cb_type = 0; + vnode->lock_state = AFS_VNODE_LOCK_NONE; _leave(" = %p", &vnode->vfs_inode); return &vnode->vfs_inode; diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index d79ced925861..82e8f6edfb48 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -281,8 +281,8 @@ static int autofs4_mount_wait(const struct path *path, bool rcu_walk) pr_debug("waiting for mount name=%pd\n", path->dentry); status = autofs4_wait(sbi, path, NFY_MOUNT); pr_debug("mount wait done status=%d\n", status); - ino->last_used = jiffies; } + ino->last_used = jiffies; return status; } @@ -321,21 +321,16 @@ static struct dentry *autofs4_mountpoint_changed(struct path *path) */ if (autofs_type_indirect(sbi->type) && d_unhashed(dentry)) { struct dentry *parent = dentry->d_parent; + struct autofs_info *ino; struct dentry *new; new = d_lookup(parent, &dentry->d_name); if (!new) return NULL; - if (new == dentry) - dput(new); - else { - struct autofs_info *ino; - - ino = autofs4_dentry_ino(new); - ino->last_used = jiffies; - dput(path->dentry); - path->dentry = new; - } + ino = autofs4_dentry_ino(new); + ino->last_used = jiffies; + dput(path->dentry); + path->dentry = new; } return path->dentry; } diff --git a/fs/befs/ChangeLog b/fs/befs/ChangeLog index 75a461cfaca6..16f2dfe8c2f7 100644 --- a/fs/befs/ChangeLog +++ b/fs/befs/ChangeLog @@ -365,7 +365,7 @@ Version 0.4 (2001-10-28) (fs/befs/super.c) * Tell the kernel to only mount befs read-only. - By setting the MS_RDONLY flag in befs_read_super(). + By setting the SB_RDONLY flag in befs_read_super(). Not that it was possible to write before. But now the kernel won't even try. (fs/befs/super.c) diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index a92355cc453b..ee236231cafa 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -841,7 +841,7 @@ befs_fill_super(struct super_block *sb, void *data, int silent) if (!sb_rdonly(sb)) { befs_warning(sb, "No write support. Marking filesystem read-only"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } /* @@ -948,7 +948,7 @@ static int befs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - if (!(*flags & MS_RDONLY)) + if (!(*flags & SB_RDONLY)) return -EINVAL; return 0; } diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index b35ce16b3df3..5982c8a71f02 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -295,7 +295,8 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, unsigned long len, u64 disk_start, unsigned long compressed_len, struct page **compressed_pages, - unsigned long nr_pages) + unsigned long nr_pages, + unsigned int write_flags) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct bio *bio = NULL; @@ -327,7 +328,7 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, bdev = fs_info->fs_devices->latest_bdev; bio = btrfs_bio_alloc(bdev, first_byte); - bio_set_op_attrs(bio, REQ_OP_WRITE, 0); + bio->bi_opf = REQ_OP_WRITE | write_flags; bio->bi_private = cb; bio->bi_end_io = end_compressed_bio_write; refcount_set(&cb->pending_bios, 1); @@ -374,7 +375,7 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, bio_put(bio); bio = btrfs_bio_alloc(bdev, first_byte); - bio_set_op_attrs(bio, REQ_OP_WRITE, 0); + bio->bi_opf = REQ_OP_WRITE | write_flags; bio->bi_private = cb; bio->bi_end_io = end_compressed_bio_write; bio_add_page(bio, page, PAGE_SIZE, 0); @@ -1528,5 +1529,5 @@ unsigned int btrfs_compress_str2level(const char *str) if (str[4] == ':' && '1' <= str[5] && str[5] <= '9' && str[6] == 0) return str[5] - '0'; - return 0; + return BTRFS_ZLIB_DEFAULT_LEVEL; } diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h index da20755ebf21..0868cc554f14 100644 --- a/fs/btrfs/compression.h +++ b/fs/btrfs/compression.h @@ -34,6 +34,8 @@ /* Maximum size of data before compression */ #define BTRFS_MAX_UNCOMPRESSED (SZ_128K) +#define BTRFS_ZLIB_DEFAULT_LEVEL 3 + struct compressed_bio { /* number of bios pending for this compressed extent */ refcount_t pending_bios; @@ -91,7 +93,8 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, unsigned long len, u64 disk_start, unsigned long compressed_len, struct page **compressed_pages, - unsigned long nr_pages); + unsigned long nr_pages, + unsigned int write_flags); blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags); diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index f7df5536ab61..13c260b525a1 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2957,7 +2957,7 @@ static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info) */ static inline int btrfs_need_cleaner_sleep(struct btrfs_fs_info *fs_info) { - return fs_info->sb->s_flags & MS_RDONLY || btrfs_fs_closing(fs_info); + return fs_info->sb->s_flags & SB_RDONLY || btrfs_fs_closing(fs_info); } static inline void free_fs_info(struct btrfs_fs_info *fs_info) @@ -3180,6 +3180,7 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput); int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, int delay_iput, int nr); int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end, + unsigned int extra_bits, struct extent_state **cached_state, int dedupe); int btrfs_create_subvol_root(struct btrfs_trans_handle *trans, struct btrfs_root *new_root, diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index efce9a2fa9be..10a2a579cc7f 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -610,7 +610,7 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, * that we don't try and read the other copies of this block, just * return -EIO. */ - if (found_level == 0 && btrfs_check_leaf(root, eb)) { + if (found_level == 0 && btrfs_check_leaf_full(root, eb)) { set_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags); ret = -EIO; } @@ -3848,7 +3848,13 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf) buf->len, fs_info->dirty_metadata_batch); #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY - if (btrfs_header_level(buf) == 0 && btrfs_check_leaf(root, buf)) { + /* + * Since btrfs_mark_buffer_dirty() can be called with item pointer set + * but item data not updated. + * So here we should only check item pointers, not item data. + */ + if (btrfs_header_level(buf) == 0 && + btrfs_check_leaf_relaxed(root, buf)) { btrfs_print_leaf(buf); ASSERT(0); } diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 7208ecef7088..4497f937e8fb 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3502,13 +3502,6 @@ again: goto again; } - /* We've already setup this transaction, go ahead and exit */ - if (block_group->cache_generation == trans->transid && - i_size_read(inode)) { - dcs = BTRFS_DC_SETUP; - goto out_put; - } - /* * We want to set the generation to 0, that way if anything goes wrong * from here on out we know not to trust this cache when we load up next @@ -3532,6 +3525,13 @@ again: } WARN_ON(ret); + /* We've already setup this transaction, go ahead and exit */ + if (block_group->cache_generation == trans->transid && + i_size_read(inode)) { + dcs = BTRFS_DC_SETUP; + goto out_put; + } + if (i_size_read(inode) > 0) { ret = btrfs_check_trunc_cache_free_space(fs_info, &fs_info->global_block_rsv); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 16045ea86fc1..012d63870b99 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1984,7 +1984,7 @@ int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start, struct btrfs_bio *bbio = NULL; int ret; - ASSERT(!(fs_info->sb->s_flags & MS_RDONLY)); + ASSERT(!(fs_info->sb->s_flags & SB_RDONLY)); BUG_ON(!mirror_num); bio = btrfs_io_bio_alloc(1); @@ -3253,7 +3253,7 @@ static noinline_for_stack int writepage_delalloc(struct inode *inode, delalloc_start, delalloc_end, &page_started, - nr_written); + nr_written, wbc); /* File system has been set read-only */ if (ret) { SetPageError(page); diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 4a8861379d3e..93dcae0c3183 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -116,7 +116,8 @@ struct extent_io_ops { */ int (*fill_delalloc)(void *private_data, struct page *locked_page, u64 start, u64 end, int *page_started, - unsigned long *nr_written); + unsigned long *nr_written, + struct writeback_control *wbc); int (*writepage_start_hook)(struct page *page, u64 start, u64 end); void (*writepage_end_io_hook)(struct page *page, u64 start, u64 end, @@ -365,10 +366,11 @@ int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, struct extent_state **cached_state); static inline int set_extent_delalloc(struct extent_io_tree *tree, u64 start, - u64 end, struct extent_state **cached_state) + u64 end, unsigned int extra_bits, + struct extent_state **cached_state) { return set_extent_bit(tree, start, end, - EXTENT_DELALLOC | EXTENT_UPTODATE, + EXTENT_DELALLOC | EXTENT_UPTODATE | extra_bits, NULL, cached_state, GFP_NOFS); } diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index f80254d82f40..eb1bac7c8553 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -477,6 +477,47 @@ static void btrfs_drop_pages(struct page **pages, size_t num_pages) } } +static int btrfs_find_new_delalloc_bytes(struct btrfs_inode *inode, + const u64 start, + const u64 len, + struct extent_state **cached_state) +{ + u64 search_start = start; + const u64 end = start + len - 1; + + while (search_start < end) { + const u64 search_len = end - search_start + 1; + struct extent_map *em; + u64 em_len; + int ret = 0; + + em = btrfs_get_extent(inode, NULL, 0, search_start, + search_len, 0); + if (IS_ERR(em)) + return PTR_ERR(em); + + if (em->block_start != EXTENT_MAP_HOLE) + goto next; + + em_len = em->len; + if (em->start < search_start) + em_len -= search_start - em->start; + if (em_len > search_len) + em_len = search_len; + + ret = set_extent_bit(&inode->io_tree, search_start, + search_start + em_len - 1, + EXTENT_DELALLOC_NEW, + NULL, cached_state, GFP_NOFS); +next: + search_start = extent_map_end(em); + free_extent_map(em); + if (ret) + return ret; + } + return 0; +} + /* * after copy_from_user, pages need to be dirtied and we need to make * sure holes are created between the current EOF and the start of @@ -497,14 +538,34 @@ int btrfs_dirty_pages(struct inode *inode, struct page **pages, u64 end_of_last_block; u64 end_pos = pos + write_bytes; loff_t isize = i_size_read(inode); + unsigned int extra_bits = 0; start_pos = pos & ~((u64) fs_info->sectorsize - 1); num_bytes = round_up(write_bytes + pos - start_pos, fs_info->sectorsize); end_of_last_block = start_pos + num_bytes - 1; + + if (!btrfs_is_free_space_inode(BTRFS_I(inode))) { + if (start_pos >= isize && + !(BTRFS_I(inode)->flags & BTRFS_INODE_PREALLOC)) { + /* + * There can't be any extents following eof in this case + * so just set the delalloc new bit for the range + * directly. + */ + extra_bits |= EXTENT_DELALLOC_NEW; + } else { + err = btrfs_find_new_delalloc_bytes(BTRFS_I(inode), + start_pos, + num_bytes, cached); + if (err) + return err; + } + } + err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block, - cached, 0); + extra_bits, cached, 0); if (err) return err; @@ -1404,47 +1465,6 @@ fail: } -static int btrfs_find_new_delalloc_bytes(struct btrfs_inode *inode, - const u64 start, - const u64 len, - struct extent_state **cached_state) -{ - u64 search_start = start; - const u64 end = start + len - 1; - - while (search_start < end) { - const u64 search_len = end - search_start + 1; - struct extent_map *em; - u64 em_len; - int ret = 0; - - em = btrfs_get_extent(inode, NULL, 0, search_start, - search_len, 0); - if (IS_ERR(em)) - return PTR_ERR(em); - - if (em->block_start != EXTENT_MAP_HOLE) - goto next; - - em_len = em->len; - if (em->start < search_start) - em_len -= search_start - em->start; - if (em_len > search_len) - em_len = search_len; - - ret = set_extent_bit(&inode->io_tree, search_start, - search_start + em_len - 1, - EXTENT_DELALLOC_NEW, - NULL, cached_state, GFP_NOFS); -next: - search_start = extent_map_end(em); - free_extent_map(em); - if (ret) - return ret; - } - return 0; -} - /* * This function locks the extent and properly waits for data=ordered extents * to finish before allowing the pages to be modified if need. @@ -1473,10 +1493,8 @@ lock_and_cleanup_extent_if_need(struct btrfs_inode *inode, struct page **pages, + round_up(pos + write_bytes - start_pos, fs_info->sectorsize) - 1; - if (start_pos < inode->vfs_inode.i_size || - (inode->flags & BTRFS_INODE_PREALLOC)) { + if (start_pos < inode->vfs_inode.i_size) { struct btrfs_ordered_extent *ordered; - unsigned int clear_bits; lock_extent_bits(&inode->io_tree, start_pos, last_pos, cached_state); @@ -1498,19 +1516,10 @@ lock_and_cleanup_extent_if_need(struct btrfs_inode *inode, struct page **pages, } if (ordered) btrfs_put_ordered_extent(ordered); - ret = btrfs_find_new_delalloc_bytes(inode, start_pos, - last_pos - start_pos + 1, - cached_state); - clear_bits = EXTENT_DIRTY | EXTENT_DELALLOC | - EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG; - if (ret) - clear_bits |= EXTENT_DELALLOC_NEW | EXTENT_LOCKED; - clear_extent_bit(&inode->io_tree, start_pos, - last_pos, clear_bits, - (clear_bits & EXTENT_LOCKED) ? 1 : 0, - 0, cached_state, GFP_NOFS); - if (ret) - return ret; + clear_extent_bit(&inode->io_tree, start_pos, last_pos, + EXTENT_DIRTY | EXTENT_DELALLOC | + EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, + 0, 0, cached_state, GFP_NOFS); *lockstart = start_pos; *lockend = last_pos; ret = 1; @@ -2048,6 +2057,8 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) len = (u64)end - (u64)start + 1; trace_btrfs_sync_file(file, datasync); + btrfs_init_log_ctx(&ctx, inode); + /* * We write the dirty pages in the range and wait until they complete * out of the ->i_mutex. If so, we can flush the dirty pages by @@ -2194,8 +2205,6 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) } trans->sync = true; - btrfs_init_log_ctx(&ctx, inode); - ret = btrfs_log_dentry_safe(trans, root, dentry, start, end, &ctx); if (ret < 0) { /* Fallthrough and commit/free transaction. */ @@ -2253,6 +2262,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) ret = btrfs_end_transaction(trans); } out: + ASSERT(list_empty(&ctx.list)); err = file_check_and_advance_wb_err(file); if (!ret) ret = err; diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index cdc9f4015ec3..4426d1c73e50 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1264,7 +1264,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode, /* Lock all pages first so we can lock the extent safely. */ ret = io_ctl_prepare_pages(io_ctl, inode, 0); if (ret) - goto out; + goto out_unlock; lock_extent_bits(&BTRFS_I(inode)->io_tree, 0, i_size_read(inode) - 1, &cached_state); @@ -1358,6 +1358,7 @@ out_nospc_locked: out_nospc: cleanup_write_cache_enospc(inode, io_ctl, &cached_state); +out_unlock: if (block_group && (block_group->flags & BTRFS_BLOCK_GROUP_DATA)) up_write(&block_group->data_rwsem); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index b93fe05a39c7..993061f83067 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -378,6 +378,7 @@ struct async_cow { struct page *locked_page; u64 start; u64 end; + unsigned int write_flags; struct list_head extents; struct btrfs_work work; }; @@ -857,7 +858,8 @@ retry: async_extent->ram_size, ins.objectid, ins.offset, async_extent->pages, - async_extent->nr_pages)) { + async_extent->nr_pages, + async_cow->write_flags)) { struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree; struct page *p = async_extent->pages[0]; const u64 start = async_extent->start; @@ -1191,7 +1193,8 @@ static noinline void async_cow_free(struct btrfs_work *work) static int cow_file_range_async(struct inode *inode, struct page *locked_page, u64 start, u64 end, int *page_started, - unsigned long *nr_written) + unsigned long *nr_written, + unsigned int write_flags) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct async_cow *async_cow; @@ -1208,6 +1211,7 @@ static int cow_file_range_async(struct inode *inode, struct page *locked_page, async_cow->root = root; async_cow->locked_page = locked_page; async_cow->start = start; + async_cow->write_flags = write_flags; if (BTRFS_I(inode)->flags & BTRFS_INODE_NOCOMPRESS && !btrfs_test_opt(fs_info, FORCE_COMPRESS)) @@ -1577,11 +1581,13 @@ static inline int need_force_cow(struct inode *inode, u64 start, u64 end) */ static int run_delalloc_range(void *private_data, struct page *locked_page, u64 start, u64 end, int *page_started, - unsigned long *nr_written) + unsigned long *nr_written, + struct writeback_control *wbc) { struct inode *inode = private_data; int ret; int force_cow = need_force_cow(inode, start, end); + unsigned int write_flags = wbc_to_write_flags(wbc); if (BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW && !force_cow) { ret = run_delalloc_nocow(inode, locked_page, start, end, @@ -1596,7 +1602,8 @@ static int run_delalloc_range(void *private_data, struct page *locked_page, set_bit(BTRFS_INODE_HAS_ASYNC_EXTENT, &BTRFS_I(inode)->runtime_flags); ret = cow_file_range_async(inode, locked_page, start, end, - page_started, nr_written); + page_started, nr_written, + write_flags); } if (ret) btrfs_cleanup_ordered_extents(inode, start, end - start + 1); @@ -2025,11 +2032,12 @@ static noinline int add_pending_csums(struct btrfs_trans_handle *trans, } int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end, + unsigned int extra_bits, struct extent_state **cached_state, int dedupe) { WARN_ON((end & (PAGE_SIZE - 1)) == 0); return set_extent_delalloc(&BTRFS_I(inode)->io_tree, start, end, - cached_state); + extra_bits, cached_state); } /* see btrfs_writepage_start_hook for details on why this is required */ @@ -2090,7 +2098,7 @@ again: goto out; } - btrfs_set_extent_delalloc(inode, page_start, page_end, &cached_state, + btrfs_set_extent_delalloc(inode, page_start, page_end, 0, &cached_state, 0); ClearPageChecked(page); set_page_dirty(page); @@ -4790,7 +4798,7 @@ again: EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, 0, 0, &cached_state, GFP_NOFS); - ret = btrfs_set_extent_delalloc(inode, block_start, block_end, + ret = btrfs_set_extent_delalloc(inode, block_start, block_end, 0, &cached_state, 0); if (ret) { unlock_extent_cached(io_tree, block_start, block_end, @@ -5438,6 +5446,14 @@ static int btrfs_inode_by_name(struct inode *dir, struct dentry *dentry, goto out_err; btrfs_dir_item_key_to_cpu(path->nodes[0], di, location); + if (location->type != BTRFS_INODE_ITEM_KEY && + location->type != BTRFS_ROOT_ITEM_KEY) { + btrfs_warn(root->fs_info, +"%s gets something invalid in DIR_ITEM (name %s, directory ino %llu, location(%llu %u %llu))", + __func__, name, btrfs_ino(BTRFS_I(dir)), + location->objectid, location->type, location->offset); + goto out_err; + } out: btrfs_free_path(path); return ret; @@ -5754,8 +5770,6 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry) return inode; } - BUG_ON(location.type != BTRFS_ROOT_ITEM_KEY); - index = srcu_read_lock(&fs_info->subvol_srcu); ret = fixup_tree_root_location(fs_info, dir, dentry, &location, &sub_root); @@ -9150,7 +9164,7 @@ again: EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, 0, 0, &cached_state, GFP_NOFS); - ret = btrfs_set_extent_delalloc(inode, page_start, end, + ret = btrfs_set_extent_delalloc(inode, page_start, end, 0, &cached_state, 0); if (ret) { unlock_extent_cached(io_tree, page_start, page_end, diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index fd172a93d11a..d748ad1c3620 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1172,7 +1172,7 @@ again: if (!i_done || ret) goto out; - if (!(inode->i_sb->s_flags & MS_ACTIVE)) + if (!(inode->i_sb->s_flags & SB_ACTIVE)) goto out; /* @@ -1333,7 +1333,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file, * make sure we stop running if someone unmounts * the FS */ - if (!(inode->i_sb->s_flags & MS_ACTIVE)) + if (!(inode->i_sb->s_flags & SB_ACTIVE)) break; if (btrfs_defrag_cancelled(fs_info)) { diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 4cf2eb67eba6..f0c3f00e97cb 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -3268,7 +3268,8 @@ static int relocate_file_extent_cluster(struct inode *inode, nr++; } - btrfs_set_extent_delalloc(inode, page_start, page_end, NULL, 0); + btrfs_set_extent_delalloc(inode, page_start, page_end, 0, NULL, + 0); set_page_dirty(page); unlock_extent(&BTRFS_I(inode)->io_tree, diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index c10e4c70f02d..20d3300bd268 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -3521,7 +3521,40 @@ out: } /* - * Check if ino ino1 is an ancestor of inode ino2 in the given root. + * Check if inode ino2, or any of its ancestors, is inode ino1. + * Return 1 if true, 0 if false and < 0 on error. + */ +static int check_ino_in_path(struct btrfs_root *root, + const u64 ino1, + const u64 ino1_gen, + const u64 ino2, + const u64 ino2_gen, + struct fs_path *fs_path) +{ + u64 ino = ino2; + + if (ino1 == ino2) + return ino1_gen == ino2_gen; + + while (ino > BTRFS_FIRST_FREE_OBJECTID) { + u64 parent; + u64 parent_gen; + int ret; + + fs_path_reset(fs_path); + ret = get_first_ref(root, ino, &parent, &parent_gen, fs_path); + if (ret < 0) + return ret; + if (parent == ino1) + return parent_gen == ino1_gen; + ino = parent; + } + return 0; +} + +/* + * Check if ino ino1 is an ancestor of inode ino2 in the given root for any + * possible path (in case ino2 is not a directory and has multiple hard links). * Return 1 if true, 0 if false and < 0 on error. */ static int is_ancestor(struct btrfs_root *root, @@ -3530,36 +3563,91 @@ static int is_ancestor(struct btrfs_root *root, const u64 ino2, struct fs_path *fs_path) { - u64 ino = ino2; - bool free_path = false; + bool free_fs_path = false; int ret = 0; + struct btrfs_path *path = NULL; + struct btrfs_key key; if (!fs_path) { fs_path = fs_path_alloc(); if (!fs_path) return -ENOMEM; - free_path = true; + free_fs_path = true; } - while (ino > BTRFS_FIRST_FREE_OBJECTID) { - u64 parent; - u64 parent_gen; + path = alloc_path_for_send(); + if (!path) { + ret = -ENOMEM; + goto out; + } - fs_path_reset(fs_path); - ret = get_first_ref(root, ino, &parent, &parent_gen, fs_path); - if (ret < 0) { - if (ret == -ENOENT && ino == ino2) - ret = 0; - goto out; + key.objectid = ino2; + key.type = BTRFS_INODE_REF_KEY; + key.offset = 0; + + ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); + if (ret < 0) + goto out; + + while (true) { + struct extent_buffer *leaf = path->nodes[0]; + int slot = path->slots[0]; + u32 cur_offset = 0; + u32 item_size; + + if (slot >= btrfs_header_nritems(leaf)) { + ret = btrfs_next_leaf(root, path); + if (ret < 0) + goto out; + if (ret > 0) + break; + continue; } - if (parent == ino1) { - ret = parent_gen == ino1_gen ? 1 : 0; - goto out; + + btrfs_item_key_to_cpu(leaf, &key, slot); + if (key.objectid != ino2) + break; + if (key.type != BTRFS_INODE_REF_KEY && + key.type != BTRFS_INODE_EXTREF_KEY) + break; + + item_size = btrfs_item_size_nr(leaf, slot); + while (cur_offset < item_size) { + u64 parent; + u64 parent_gen; + + if (key.type == BTRFS_INODE_EXTREF_KEY) { + unsigned long ptr; + struct btrfs_inode_extref *extref; + + ptr = btrfs_item_ptr_offset(leaf, slot); + extref = (struct btrfs_inode_extref *) + (ptr + cur_offset); + parent = btrfs_inode_extref_parent(leaf, + extref); + cur_offset += sizeof(*extref); + cur_offset += btrfs_inode_extref_name_len(leaf, + extref); + } else { + parent = key.offset; + cur_offset = item_size; + } + + ret = get_inode_info(root, parent, NULL, &parent_gen, + NULL, NULL, NULL, NULL); + if (ret < 0) + goto out; + ret = check_ino_in_path(root, ino1, ino1_gen, + parent, parent_gen, fs_path); + if (ret) + goto out; } - ino = parent; + path->slots[0]++; } + ret = 0; out: - if (free_path) + btrfs_free_path(path); + if (free_fs_path) fs_path_free(fs_path); return ret; } diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 65af029559b5..3a4dce153645 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -107,7 +107,7 @@ static void btrfs_handle_error(struct btrfs_fs_info *fs_info) return; if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) { - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; btrfs_info(fs_info, "forced readonly"); /* * Note that a running device replace operation is not @@ -137,7 +137,7 @@ void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function /* * Special case: if the error is EROFS, and we're already - * under MS_RDONLY, then it is safe here. + * under SB_RDONLY, then it is safe here. */ if (errno == -EROFS && sb_rdonly(sb)) return; @@ -168,7 +168,7 @@ void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function set_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state); /* Don't go through full error handling during mount */ - if (sb->s_flags & MS_BORN) + if (sb->s_flags & SB_BORN) btrfs_handle_error(fs_info); } @@ -507,9 +507,18 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, token == Opt_compress_force || strncmp(args[0].from, "zlib", 4) == 0) { compress_type = "zlib"; + info->compress_type = BTRFS_COMPRESS_ZLIB; - info->compress_level = - btrfs_compress_str2level(args[0].from); + info->compress_level = BTRFS_ZLIB_DEFAULT_LEVEL; + /* + * args[0] contains uninitialized data since + * for these tokens we don't expect any + * parameter. + */ + if (token != Opt_compress && + token != Opt_compress_force) + info->compress_level = + btrfs_compress_str2level(args[0].from); btrfs_set_opt(info->mount_opt, COMPRESS); btrfs_clear_opt(info->mount_opt, NODATACOW); btrfs_clear_opt(info->mount_opt, NODATASUM); @@ -625,7 +634,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, break; case Opt_acl: #ifdef CONFIG_BTRFS_FS_POSIX_ACL - info->sb->s_flags |= MS_POSIXACL; + info->sb->s_flags |= SB_POSIXACL; break; #else btrfs_err(info, "support for ACL not compiled in!"); @@ -633,7 +642,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, goto out; #endif case Opt_noacl: - info->sb->s_flags &= ~MS_POSIXACL; + info->sb->s_flags &= ~SB_POSIXACL; break; case Opt_notreelog: btrfs_set_and_info(info, NOTREELOG, @@ -851,7 +860,7 @@ check: /* * Extra check for current option against current flag */ - if (btrfs_test_opt(info, NOLOGREPLAY) && !(new_flags & MS_RDONLY)) { + if (btrfs_test_opt(info, NOLOGREPLAY) && !(new_flags & SB_RDONLY)) { btrfs_err(info, "nologreplay must be used with ro mount option"); ret = -EINVAL; @@ -1147,7 +1156,7 @@ static int btrfs_fill_super(struct super_block *sb, sb->s_xattr = btrfs_xattr_handlers; sb->s_time_gran = 1; #ifdef CONFIG_BTRFS_FS_POSIX_ACL - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; #endif sb->s_flags |= SB_I_VERSION; sb->s_iflags |= SB_I_CGROUPWB; @@ -1180,7 +1189,7 @@ static int btrfs_fill_super(struct super_block *sb, } cleancache_init_fs(sb); - sb->s_flags |= MS_ACTIVE; + sb->s_flags |= SB_ACTIVE; return 0; fail_close: @@ -1277,7 +1286,7 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry) seq_puts(seq, ",flushoncommit"); if (btrfs_test_opt(info, DISCARD)) seq_puts(seq, ",discard"); - if (!(info->sb->s_flags & MS_POSIXACL)) + if (!(info->sb->s_flags & SB_POSIXACL)) seq_puts(seq, ",noacl"); if (btrfs_test_opt(info, SPACE_CACHE)) seq_puts(seq, ",space_cache"); @@ -1409,11 +1418,11 @@ static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid, mnt = vfs_kern_mount(&btrfs_fs_type, flags, device_name, newargs); if (PTR_ERR_OR_ZERO(mnt) == -EBUSY) { - if (flags & MS_RDONLY) { - mnt = vfs_kern_mount(&btrfs_fs_type, flags & ~MS_RDONLY, + if (flags & SB_RDONLY) { + mnt = vfs_kern_mount(&btrfs_fs_type, flags & ~SB_RDONLY, device_name, newargs); } else { - mnt = vfs_kern_mount(&btrfs_fs_type, flags | MS_RDONLY, + mnt = vfs_kern_mount(&btrfs_fs_type, flags | SB_RDONLY, device_name, newargs); if (IS_ERR(mnt)) { root = ERR_CAST(mnt); @@ -1565,7 +1574,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, u64 subvol_objectid = 0; int error = 0; - if (!(flags & MS_RDONLY)) + if (!(flags & SB_RDONLY)) mode |= FMODE_WRITE; error = btrfs_parse_early_options(data, mode, fs_type, @@ -1619,13 +1628,13 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, if (error) goto error_fs_info; - if (!(flags & MS_RDONLY) && fs_devices->rw_devices == 0) { + if (!(flags & SB_RDONLY) && fs_devices->rw_devices == 0) { error = -EACCES; goto error_close_devices; } bdev = fs_devices->latest_bdev; - s = sget(fs_type, btrfs_test_super, btrfs_set_super, flags | MS_NOSEC, + s = sget(fs_type, btrfs_test_super, btrfs_set_super, flags | SB_NOSEC, fs_info); if (IS_ERR(s)) { error = PTR_ERR(s); @@ -1635,7 +1644,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, if (s->s_root) { btrfs_close_devices(fs_devices); free_fs_info(fs_info); - if ((flags ^ s->s_flags) & MS_RDONLY) + if ((flags ^ s->s_flags) & SB_RDONLY) error = -EBUSY; } else { snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev); @@ -1702,11 +1711,11 @@ static inline void btrfs_remount_begin(struct btrfs_fs_info *fs_info, { if (btrfs_raw_test_opt(old_opts, AUTO_DEFRAG) && (!btrfs_raw_test_opt(fs_info->mount_opt, AUTO_DEFRAG) || - (flags & MS_RDONLY))) { + (flags & SB_RDONLY))) { /* wait for any defraggers to finish */ wait_event(fs_info->transaction_wait, (atomic_read(&fs_info->defrag_running) == 0)); - if (flags & MS_RDONLY) + if (flags & SB_RDONLY) sync_filesystem(fs_info->sb); } } @@ -1766,10 +1775,10 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) btrfs_resize_thread_pool(fs_info, fs_info->thread_pool_size, old_thread_pool_size); - if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) + if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) goto out; - if (*flags & MS_RDONLY) { + if (*flags & SB_RDONLY) { /* * this also happens on 'umount -rf' or on shutdown, when * the filesystem is busy. @@ -1781,10 +1790,10 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) /* avoid complains from lockdep et al. */ up(&fs_info->uuid_tree_rescan_sem); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; /* - * Setting MS_RDONLY will put the cleaner thread to + * Setting SB_RDONLY will put the cleaner thread to * sleep at the next loop if it's already active. * If it's already asleep, we'll leave unused block * groups on disk until we're mounted read-write again @@ -1856,7 +1865,7 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) goto restore; } } - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; set_bit(BTRFS_FS_OPEN, &fs_info->flags); } @@ -1866,9 +1875,9 @@ out: return 0; restore: - /* We've hit an error - don't reset MS_RDONLY */ + /* We've hit an error - don't reset SB_RDONLY */ if (sb_rdonly(sb)) - old_flags |= MS_RDONLY; + old_flags |= SB_RDONLY; sb->s_flags = old_flags; fs_info->mount_opt = old_opts; fs_info->compress_type = old_compress_type; diff --git a/fs/btrfs/tests/extent-io-tests.c b/fs/btrfs/tests/extent-io-tests.c index d06b1c931d05..2e7f64a3b22b 100644 --- a/fs/btrfs/tests/extent-io-tests.c +++ b/fs/btrfs/tests/extent-io-tests.c @@ -114,7 +114,7 @@ static int test_find_delalloc(u32 sectorsize) * |--- delalloc ---| * |--- search ---| */ - set_extent_delalloc(&tmp, 0, sectorsize - 1, NULL); + set_extent_delalloc(&tmp, 0, sectorsize - 1, 0, NULL); start = 0; end = 0; found = find_lock_delalloc_range(inode, &tmp, locked_page, &start, @@ -145,7 +145,7 @@ static int test_find_delalloc(u32 sectorsize) test_msg("Couldn't find the locked page\n"); goto out_bits; } - set_extent_delalloc(&tmp, sectorsize, max_bytes - 1, NULL); + set_extent_delalloc(&tmp, sectorsize, max_bytes - 1, 0, NULL); start = test_start; end = 0; found = find_lock_delalloc_range(inode, &tmp, locked_page, &start, @@ -200,7 +200,7 @@ static int test_find_delalloc(u32 sectorsize) * * We are re-using our test_start from above since it works out well. */ - set_extent_delalloc(&tmp, max_bytes, total_dirty - 1, NULL); + set_extent_delalloc(&tmp, max_bytes, total_dirty - 1, 0, NULL); start = test_start; end = 0; found = find_lock_delalloc_range(inode, &tmp, locked_page, &start, diff --git a/fs/btrfs/tests/inode-tests.c b/fs/btrfs/tests/inode-tests.c index f797642c013d..30affb60da51 100644 --- a/fs/btrfs/tests/inode-tests.c +++ b/fs/btrfs/tests/inode-tests.c @@ -968,7 +968,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) btrfs_test_inode_set_ops(inode); /* [BTRFS_MAX_EXTENT_SIZE] */ - ret = btrfs_set_extent_delalloc(inode, 0, BTRFS_MAX_EXTENT_SIZE - 1, + ret = btrfs_set_extent_delalloc(inode, 0, BTRFS_MAX_EXTENT_SIZE - 1, 0, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); @@ -984,7 +984,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) /* [BTRFS_MAX_EXTENT_SIZE][sectorsize] */ ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE, BTRFS_MAX_EXTENT_SIZE + sectorsize - 1, - NULL, 0); + 0, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1018,7 +1018,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE >> 1, (BTRFS_MAX_EXTENT_SIZE >> 1) + sectorsize - 1, - NULL, 0); + 0, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1036,7 +1036,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize, (BTRFS_MAX_EXTENT_SIZE << 1) + 3 * sectorsize - 1, - NULL, 0); + 0, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1053,7 +1053,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) */ ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE + sectorsize, - BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL, 0); + BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, 0, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1089,7 +1089,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) */ ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE + sectorsize, - BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL, 0); + BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, 0, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 114fc5f0ecc5..ce4ed6ec8f39 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -242,7 +242,8 @@ static int check_leaf_item(struct btrfs_root *root, return ret; } -int btrfs_check_leaf(struct btrfs_root *root, struct extent_buffer *leaf) +static int check_leaf(struct btrfs_root *root, struct extent_buffer *leaf, + bool check_item_data) { struct btrfs_fs_info *fs_info = root->fs_info; /* No valid key type is 0, so all key should be larger than this key */ @@ -361,10 +362,15 @@ int btrfs_check_leaf(struct btrfs_root *root, struct extent_buffer *leaf) return -EUCLEAN; } - /* Check if the item size and content meet other criteria */ - ret = check_leaf_item(root, leaf, &key, slot); - if (ret < 0) - return ret; + if (check_item_data) { + /* + * Check if the item size and content meet other + * criteria + */ + ret = check_leaf_item(root, leaf, &key, slot); + if (ret < 0) + return ret; + } prev_key.objectid = key.objectid; prev_key.type = key.type; @@ -374,6 +380,17 @@ int btrfs_check_leaf(struct btrfs_root *root, struct extent_buffer *leaf) return 0; } +int btrfs_check_leaf_full(struct btrfs_root *root, struct extent_buffer *leaf) +{ + return check_leaf(root, leaf, true); +} + +int btrfs_check_leaf_relaxed(struct btrfs_root *root, + struct extent_buffer *leaf) +{ + return check_leaf(root, leaf, false); +} + int btrfs_check_node(struct btrfs_root *root, struct extent_buffer *node) { unsigned long nr = btrfs_header_nritems(node); diff --git a/fs/btrfs/tree-checker.h b/fs/btrfs/tree-checker.h index 96c486e95d70..3d53e8d6fda0 100644 --- a/fs/btrfs/tree-checker.h +++ b/fs/btrfs/tree-checker.h @@ -20,7 +20,19 @@ #include "ctree.h" #include "extent_io.h" -int btrfs_check_leaf(struct btrfs_root *root, struct extent_buffer *leaf); +/* + * Comprehensive leaf checker. + * Will check not only the item pointers, but also every possible member + * in item data. + */ +int btrfs_check_leaf_full(struct btrfs_root *root, struct extent_buffer *leaf); + +/* + * Less strict leaf checker. + * Will only check item pointers, not reading item data. + */ +int btrfs_check_leaf_relaxed(struct btrfs_root *root, + struct extent_buffer *leaf); int btrfs_check_node(struct btrfs_root *root, struct extent_buffer *node); #endif diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index aa7c71cff575..7bf9b31561db 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -4102,7 +4102,7 @@ static int log_one_extent(struct btrfs_trans_handle *trans, if (ordered_io_err) { ctx->io_err = -EIO; - return 0; + return ctx->io_err; } btrfs_init_map_token(&token); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index f1ecb938ba4d..49810b70afd3 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -189,6 +189,7 @@ static void free_fs_devices(struct btrfs_fs_devices *fs_devices) struct btrfs_device, dev_list); list_del(&device->dev_list); rcu_string_free(device->name); + bio_put(device->flush_bio); kfree(device); } kfree(fs_devices); @@ -578,6 +579,7 @@ static void btrfs_free_stale_device(struct btrfs_device *cur_dev) fs_devs->num_devices--; list_del(&dev->dev_list); rcu_string_free(dev->name); + bio_put(dev->flush_bio); kfree(dev); } break; @@ -630,6 +632,7 @@ static noinline int device_list_add(const char *path, name = rcu_string_strdup(path, GFP_NOFS); if (!name) { + bio_put(device->flush_bio); kfree(device); return -ENOMEM; } @@ -742,6 +745,7 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig) name = rcu_string_strdup(orig_dev->name->str, GFP_KERNEL); if (!name) { + bio_put(device->flush_bio); kfree(device); goto error; } @@ -807,6 +811,7 @@ again: list_del_init(&device->dev_list); fs_devices->num_devices--; rcu_string_free(device->name); + bio_put(device->flush_bio); kfree(device); } @@ -1750,20 +1755,24 @@ static int btrfs_rm_dev_item(struct btrfs_fs_info *fs_info, key.offset = device->devid; ret = btrfs_search_slot(trans, root, &key, path, -1, 1); - if (ret < 0) - goto out; - - if (ret > 0) { - ret = -ENOENT; + if (ret) { + if (ret > 0) + ret = -ENOENT; + btrfs_abort_transaction(trans, ret); + btrfs_end_transaction(trans); goto out; } ret = btrfs_del_item(trans, root, path); - if (ret) - goto out; + if (ret) { + btrfs_abort_transaction(trans, ret); + btrfs_end_transaction(trans); + } + out: btrfs_free_path(path); - btrfs_commit_transaction(trans); + if (!ret) + ret = btrfs_commit_transaction(trans); return ret; } @@ -1993,7 +2002,7 @@ void btrfs_rm_dev_replace_remove_srcdev(struct btrfs_fs_info *fs_info, fs_devices = srcdev->fs_devices; list_del_rcu(&srcdev->dev_list); - list_del_rcu(&srcdev->dev_alloc_list); + list_del(&srcdev->dev_alloc_list); fs_devices->num_devices--; if (srcdev->missing) fs_devices->missing_devices--; @@ -2349,6 +2358,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path name = rcu_string_strdup(device_path, GFP_KERNEL); if (!name) { + bio_put(device->flush_bio); kfree(device); ret = -ENOMEM; goto error; @@ -2358,6 +2368,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path trans = btrfs_start_transaction(root, 0); if (IS_ERR(trans)) { rcu_string_free(device->name); + bio_put(device->flush_bio); kfree(device); ret = PTR_ERR(trans); goto error; @@ -2384,7 +2395,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path set_blocksize(device->bdev, BTRFS_BDEV_BLOCKSIZE); if (seeding_dev) { - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; ret = btrfs_prepare_sprout(fs_info); if (ret) { btrfs_abort_transaction(trans, ret); @@ -2497,10 +2508,11 @@ error_sysfs: btrfs_sysfs_rm_device_link(fs_info->fs_devices, device); error_trans: if (seeding_dev) - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; if (trans) btrfs_end_transaction(trans); rcu_string_free(device->name); + bio_put(device->flush_bio); kfree(device); error: blkdev_put(bdev, FMODE_EXCL); @@ -2567,6 +2579,7 @@ int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info, name = rcu_string_strdup(device_path, GFP_KERNEL); if (!name) { + bio_put(device->flush_bio); kfree(device); ret = -ENOMEM; goto error; @@ -6284,6 +6297,7 @@ struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info, ret = find_next_devid(fs_info, &tmp); if (ret) { + bio_put(dev->flush_bio); kfree(dev); return ERR_PTR(ret); } diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c index 1ee54ffd3a24..7edbd0679952 100644 --- a/fs/cachefiles/daemon.c +++ b/fs/cachefiles/daemon.c @@ -31,7 +31,7 @@ static ssize_t cachefiles_daemon_read(struct file *, char __user *, size_t, loff_t *); static ssize_t cachefiles_daemon_write(struct file *, const char __user *, size_t, loff_t *); -static unsigned int cachefiles_daemon_poll(struct file *, +static __poll_t cachefiles_daemon_poll(struct file *, struct poll_table_struct *); static int cachefiles_daemon_frun(struct cachefiles_cache *, char *); static int cachefiles_daemon_fcull(struct cachefiles_cache *, char *); @@ -291,11 +291,11 @@ found_command: * poll for culling state * - use POLLOUT to indicate culling state */ -static unsigned int cachefiles_daemon_poll(struct file *file, +static __poll_t cachefiles_daemon_poll(struct file *file, struct poll_table_struct *poll) { struct cachefiles_cache *cache = file->private_data; - unsigned int mask; + __poll_t mask; poll_wait(file, &cache->daemon_pollwq, poll); mask = 0; diff --git a/fs/ceph/super.c b/fs/ceph/super.c index fe9fbb3f13f7..a62d2a9841dc 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -331,11 +331,11 @@ static int parse_fsopt_token(char *c, void *private) break; #ifdef CONFIG_CEPH_FS_POSIX_ACL case Opt_acl: - fsopt->sb_flags |= MS_POSIXACL; + fsopt->sb_flags |= SB_POSIXACL; break; #endif case Opt_noacl: - fsopt->sb_flags &= ~MS_POSIXACL; + fsopt->sb_flags &= ~SB_POSIXACL; break; default: BUG_ON(token); @@ -520,7 +520,7 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root) seq_puts(m, ",nopoolperm"); #ifdef CONFIG_CEPH_FS_POSIX_ACL - if (fsopt->sb_flags & MS_POSIXACL) + if (fsopt->sb_flags & SB_POSIXACL) seq_puts(m, ",acl"); else seq_puts(m, ",noacl"); @@ -988,7 +988,7 @@ static struct dentry *ceph_mount(struct file_system_type *fs_type, dout("ceph_mount\n"); #ifdef CONFIG_CEPH_FS_POSIX_ACL - flags |= MS_POSIXACL; + flags |= SB_POSIXACL; #endif err = parse_mount_options(&fsopt, &opt, flags, data, dev_name); if (err < 0) { diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h index cbd216b57239..350fa55a1bf7 100644 --- a/fs/cifs/cifs_fs_sb.h +++ b/fs/cifs/cifs_fs_sb.h @@ -42,7 +42,7 @@ #define CIFS_MOUNT_MULTIUSER 0x20000 /* multiuser mount */ #define CIFS_MOUNT_STRICT_IO 0x40000 /* strict cache mode */ #define CIFS_MOUNT_RWPIDFORWARD 0x80000 /* use pid forwarding for rw */ -#define CIFS_MOUNT_POSIXACL 0x100000 /* mirror of MS_POSIXACL in mnt_cifs_flags */ +#define CIFS_MOUNT_POSIXACL 0x100000 /* mirror of SB_POSIXACL in mnt_cifs_flags */ #define CIFS_MOUNT_CIFS_BACKUPUID 0x200000 /* backup intent bit for a user */ #define CIFS_MOUNT_CIFS_BACKUPGID 0x400000 /* backup intent bit for a group */ #define CIFS_MOUNT_MAP_SFM_CHR 0x800000 /* SFM/MAC mapping for illegal chars */ diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 8c8b75d33f31..31b7565b1617 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -125,7 +125,7 @@ cifs_read_super(struct super_block *sb) tcon = cifs_sb_master_tcon(cifs_sb); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIXACL) - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; if (tcon->ses->capabilities & tcon->ses->server->vals->cap_large_files) sb->s_maxbytes = MAX_LFS_FILESIZE; @@ -497,7 +497,7 @@ cifs_show_options(struct seq_file *s, struct dentry *root) seq_puts(s, ",cifsacl"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) seq_puts(s, ",dynperm"); - if (root->d_sb->s_flags & MS_POSIXACL) + if (root->d_sb->s_flags & SB_POSIXACL) seq_puts(s, ",acl"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) seq_puts(s, ",mfsymlinks"); @@ -573,7 +573,7 @@ static int cifs_show_stats(struct seq_file *s, struct dentry *root) static int cifs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_NODIRATIME; + *flags |= SB_NODIRATIME; return 0; } @@ -708,7 +708,7 @@ cifs_do_mount(struct file_system_type *fs_type, rc = cifs_mount(cifs_sb, volume_info); if (rc) { - if (!(flags & MS_SILENT)) + if (!(flags & SB_SILENT)) cifs_dbg(VFS, "cifs_mount failed w/return code = %d\n", rc); root = ERR_PTR(rc); @@ -720,7 +720,7 @@ cifs_do_mount(struct file_system_type *fs_type, mnt_data.flags = flags; /* BB should we make this contingent on mount parm? */ - flags |= MS_NODIRATIME | MS_NOATIME; + flags |= SB_NODIRATIME | SB_NOATIME; sb = sget(fs_type, cifs_match_super, cifs_set_super, flags, &mnt_data); if (IS_ERR(sb)) { @@ -739,7 +739,7 @@ cifs_do_mount(struct file_system_type *fs_type, goto out_super; } - sb->s_flags |= MS_ACTIVE; + sb->s_flags |= SB_ACTIVE; } root = cifs_get_root(volume_info, sb); diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index e185b2853eab..b16583594d1a 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -559,8 +559,8 @@ struct smb_vol { CIFS_MOUNT_MULTIUSER | CIFS_MOUNT_STRICT_IO | \ CIFS_MOUNT_CIFS_BACKUPUID | CIFS_MOUNT_CIFS_BACKUPGID) -#define CIFS_MS_MASK (MS_RDONLY | MS_MANDLOCK | MS_NOEXEC | MS_NOSUID | \ - MS_NODEV | MS_SYNCHRONOUS) +#define CIFS_MS_MASK (SB_RDONLY | SB_MANDLOCK | SB_NOEXEC | SB_NOSUID | \ + SB_NODEV | SB_SYNCHRONOUS) struct cifs_mnt_data { struct cifs_sb_info *cifs_sb; diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 7c732cb44164..ecb99079363a 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -985,7 +985,7 @@ retry_iget5_locked: } cifs_fattr_to_inode(inode, fattr); - if (sb->s_flags & MS_NOATIME) + if (sb->s_flags & SB_NOATIME) inode->i_flags |= S_NOATIME | S_NOCMTIME; if (inode->i_state & I_NEW) { inode->i_ino = hash; diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c index 52f975d848a0..316af84674f1 100644 --- a/fs/cifs/xattr.c +++ b/fs/cifs/xattr.c @@ -117,7 +117,7 @@ static int cifs_xattr_set(const struct xattr_handler *handler, #ifdef CONFIG_CIFS_POSIX if (!value) goto out; - if (sb->s_flags & MS_POSIXACL) + if (sb->s_flags & SB_POSIXACL) rc = CIFSSMBSetPosixACL(xid, pTcon, full_path, value, (const int)size, ACL_TYPE_ACCESS, cifs_sb->local_nls, @@ -129,7 +129,7 @@ static int cifs_xattr_set(const struct xattr_handler *handler, #ifdef CONFIG_CIFS_POSIX if (!value) goto out; - if (sb->s_flags & MS_POSIXACL) + if (sb->s_flags & SB_POSIXACL) rc = CIFSSMBSetPosixACL(xid, pTcon, full_path, value, (const int)size, ACL_TYPE_DEFAULT, cifs_sb->local_nls, @@ -266,7 +266,7 @@ static int cifs_xattr_get(const struct xattr_handler *handler, case XATTR_ACL_ACCESS: #ifdef CONFIG_CIFS_POSIX - if (sb->s_flags & MS_POSIXACL) + if (sb->s_flags & SB_POSIXACL) rc = CIFSSMBGetPosixACL(xid, pTcon, full_path, value, size, ACL_TYPE_ACCESS, cifs_sb->local_nls, @@ -276,7 +276,7 @@ static int cifs_xattr_get(const struct xattr_handler *handler, case XATTR_ACL_DEFAULT: #ifdef CONFIG_CIFS_POSIX - if (sb->s_flags & MS_POSIXACL) + if (sb->s_flags & SB_POSIXACL) rc = CIFSSMBGetPosixACL(xid, pTcon, full_path, value, size, ACL_TYPE_DEFAULT, cifs_sb->local_nls, diff --git a/fs/coda/inode.c b/fs/coda/inode.c index 6f0a6a4d5faa..97424cf206c0 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -96,7 +96,7 @@ void coda_destroy_inodecache(void) static int coda_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_NOATIME; + *flags |= SB_NOATIME; return 0; } @@ -188,7 +188,7 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) mutex_unlock(&vc->vc_mutex); sb->s_fs_info = vc; - sb->s_flags |= MS_NOATIME; + sb->s_flags |= SB_NOATIME; sb->s_blocksize = 4096; /* XXXXX what do we put here?? */ sb->s_blocksize_bits = 12; sb->s_magic = CODA_SUPER_MAGIC; diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c index f40e3953e7fe..49d3c6fda89a 100644 --- a/fs/coda/psdev.c +++ b/fs/coda/psdev.c @@ -61,10 +61,10 @@ static struct class *coda_psdev_class; * Device operations */ -static unsigned int coda_psdev_poll(struct file *file, poll_table * wait) +static __poll_t coda_psdev_poll(struct file *file, poll_table * wait) { struct venus_comm *vcp = (struct venus_comm *) file->private_data; - unsigned int mask = POLLOUT | POLLWRNORM; + __poll_t mask = POLLOUT | POLLWRNORM; poll_wait(file, &vcp->vc_waitq, wait); mutex_lock(&vcp->vc_mutex); diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index 9a2ab419ba62..017b0ab19bc4 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -505,7 +505,7 @@ static void cramfs_kill_sb(struct super_block *sb) static int cramfs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; return 0; } @@ -592,7 +592,7 @@ static int cramfs_finalize_super(struct super_block *sb, struct inode *root; /* Set it all up.. */ - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; sb->s_op = &cramfs_ops; root = get_cramfs_inode(sb, cramfs_root, 0); if (IS_ERR(root)) @@ -627,7 +627,8 @@ static void dax_mapping_entry_mkclean(struct address_space *mapping, if (pfn != pmd_pfn(*pmdp)) goto unlock_pmd; - if (!pmd_dirty(*pmdp) && !pmd_write(*pmdp)) + if (!pmd_dirty(*pmdp) + && !pmd_access_permitted(*pmdp, WRITE)) goto unlock_pmd; flush_cache_page(vma, address, pfn); diff --git a/fs/dcache.c b/fs/dcache.c index 5c7df1df81ff..17e6b84b9656 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -32,7 +32,6 @@ #include <linux/swap.h> #include <linux/bootmem.h> #include <linux/fs_struct.h> -#include <linux/hardirq.h> #include <linux/bit_spinlock.h> #include <linux/rculist_bl.h> #include <linux/prefetch.h> @@ -49,8 +48,8 @@ * - i_dentry, d_u.d_alias, d_inode of aliases * dcache_hash_bucket lock protects: * - the dcache hash table - * s_anon bl list spinlock protects: - * - the s_anon list (see __d_drop) + * s_roots bl list spinlock protects: + * - the s_roots list (see __d_drop) * dentry->d_sb->s_dentry_lru_lock protects: * - the dcache lru lists and counters * d_lock protects: @@ -68,7 +67,7 @@ * dentry->d_lock * dentry->d_sb->s_dentry_lru_lock * dcache_hash_bucket lock - * s_anon lock + * s_roots lock * * If there is an ancestor relationship: * dentry->d_parent->...->d_parent->d_lock @@ -477,10 +476,10 @@ void __d_drop(struct dentry *dentry) /* * Hashed dentries are normally on the dentry hashtable, * with the exception of those newly allocated by - * d_obtain_alias, which are always IS_ROOT: + * d_obtain_root, which are always IS_ROOT: */ if (unlikely(IS_ROOT(dentry))) - b = &dentry->d_sb->s_anon; + b = &dentry->d_sb->s_roots; else b = d_hash(dentry->d_name.hash); @@ -1500,8 +1499,8 @@ void shrink_dcache_for_umount(struct super_block *sb) sb->s_root = NULL; do_one_tree(dentry); - while (!hlist_bl_empty(&sb->s_anon)) { - dentry = dget(hlist_bl_entry(hlist_bl_first(&sb->s_anon), struct dentry, d_hash)); + while (!hlist_bl_empty(&sb->s_roots)) { + dentry = dget(hlist_bl_entry(hlist_bl_first(&sb->s_roots), struct dentry, d_hash)); do_one_tree(dentry); } } @@ -1965,9 +1964,11 @@ static struct dentry *__d_obtain_alias(struct inode *inode, int disconnected) spin_lock(&tmp->d_lock); __d_set_inode_and_type(tmp, inode, add_flags); hlist_add_head(&tmp->d_u.d_alias, &inode->i_dentry); - hlist_bl_lock(&tmp->d_sb->s_anon); - hlist_bl_add_head(&tmp->d_hash, &tmp->d_sb->s_anon); - hlist_bl_unlock(&tmp->d_sb->s_anon); + if (!disconnected) { + hlist_bl_lock(&tmp->d_sb->s_roots); + hlist_bl_add_head(&tmp->d_hash, &tmp->d_sb->s_roots); + hlist_bl_unlock(&tmp->d_sb->s_roots); + } spin_unlock(&tmp->d_lock); spin_unlock(&inode->i_lock); diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index cd12e6576b48..6fdbf21be318 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -206,11 +206,11 @@ FULL_PROXY_FUNC(unlocked_ioctl, long, filp, PROTO(struct file *filp, unsigned int cmd, unsigned long arg), ARGS(filp, cmd, arg)); -static unsigned int full_proxy_poll(struct file *filp, +static __poll_t full_proxy_poll(struct file *filp, struct poll_table_struct *wait) { struct dentry *dentry = F_DENTRY(filp); - unsigned int r = 0; + __poll_t r = 0; const struct file_operations *real_fops; if (debugfs_file_get(dentry)) diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 05707850f93a..cff79ea0c01d 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -675,9 +675,9 @@ static int receive_from_sock(struct connection *con) nvec = 2; } len = iov[0].iov_len + iov[1].iov_len; + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, iov, nvec, len); - r = ret = kernel_recvmsg(con->sock, &msg, iov, nvec, len, - MSG_DONTWAIT | MSG_NOSIGNAL); + r = ret = sock_recvmsg(con->sock, &msg, MSG_DONTWAIT | MSG_NOSIGNAL); if (ret <= 0) goto out_close; else if (ret == len) diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c index e631b1689228..a4c63e9e6385 100644 --- a/fs/dlm/plock.c +++ b/fs/dlm/plock.c @@ -463,9 +463,9 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count, return count; } -static unsigned int dev_poll(struct file *file, poll_table *wait) +static __poll_t dev_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, &send_wq, wait); diff --git a/fs/dlm/user.c b/fs/dlm/user.c index d18e7a539f11..662432af8ce8 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c @@ -887,7 +887,7 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count, return rv; } -static unsigned int device_poll(struct file *file, poll_table *wait) +static __poll_t device_poll(struct file *file, poll_table *wait) { struct dlm_user_proc *proc = file->private_data; diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index f2677c90d96e..025d66a705db 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -560,8 +560,8 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags * Set the POSIX ACL flag based on whether they're enabled in the lower * mount. */ - s->s_flags = flags & ~MS_POSIXACL; - s->s_flags |= path.dentry->d_sb->s_flags & MS_POSIXACL; + s->s_flags = flags & ~SB_POSIXACL; + s->s_flags |= path.dentry->d_sb->s_flags & SB_POSIXACL; /** * Force a read-only eCryptfs mount when: @@ -569,7 +569,7 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags * 2) The ecryptfs_encrypted_view mount option is specified */ if (sb_rdonly(path.dentry->d_sb) || mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED) - s->s_flags |= MS_RDONLY; + s->s_flags |= SB_RDONLY; s->s_maxbytes = path.dentry->d_sb->s_maxbytes; s->s_blocksize = path.dentry->d_sb->s_blocksize; @@ -602,7 +602,7 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags ecryptfs_set_dentry_private(s->s_root, root_info); root_info->lower_path = path; - s->s_flags |= MS_ACTIVE; + s->s_flags |= SB_ACTIVE; return dget(s->s_root); out_free: diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c index f09cacaf8c80..7423e792a092 100644 --- a/fs/ecryptfs/miscdev.c +++ b/fs/ecryptfs/miscdev.c @@ -38,11 +38,11 @@ static atomic_t ecryptfs_num_miscdev_opens; * * Returns the poll mask */ -static unsigned int +static __poll_t ecryptfs_miscdev_poll(struct file *file, poll_table *pt) { struct ecryptfs_daemon *daemon = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; mutex_lock(&daemon->mux); if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) { diff --git a/fs/efs/super.c b/fs/efs/super.c index 65b59009555b..6ffb7ba1547a 100644 --- a/fs/efs/super.c +++ b/fs/efs/super.c @@ -116,7 +116,7 @@ static void destroy_inodecache(void) static int efs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; return 0; } @@ -311,7 +311,7 @@ static int efs_fill_super(struct super_block *s, void *d, int silent) #ifdef DEBUG pr_info("forcing read-only mode\n"); #endif - s->s_flags |= MS_RDONLY; + s->s_flags |= SB_RDONLY; } s->s_op = &efs_superblock_operations; s->s_export_op = &efs_export_ops; diff --git a/fs/eventfd.c b/fs/eventfd.c index 2fb4eadaa118..6318a9b57e53 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -114,10 +114,10 @@ static int eventfd_release(struct inode *inode, struct file *file) return 0; } -static unsigned int eventfd_poll(struct file *file, poll_table *wait) +static __poll_t eventfd_poll(struct file *file, poll_table *wait) { struct eventfd_ctx *ctx = file->private_data; - unsigned int events = 0; + __poll_t events = 0; u64 count; poll_wait(file, &ctx->wqh, wait); diff --git a/fs/eventpoll.c b/fs/eventpoll.c index afd548ebc328..42e35a6977c9 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -874,7 +874,8 @@ static void ep_ptable_queue_proc(struct file *file, wait_queue_head_t *whead, * the ep->mtx so we need to start from depth=1, such that mutex_lock_nested() * is correctly annotated. */ -static unsigned int ep_item_poll(struct epitem *epi, poll_table *pt, int depth) +static unsigned int ep_item_poll(const struct epitem *epi, poll_table *pt, + int depth) { struct eventpoll *ep; bool locked; @@ -920,7 +921,7 @@ static int ep_read_events_proc(struct eventpoll *ep, struct list_head *head, return 0; } -static unsigned int ep_eventpoll_poll(struct file *file, poll_table *wait) +static __poll_t ep_eventpoll_poll(struct file *file, poll_table *wait) { struct eventpoll *ep = file->private_data; int depth = 0; @@ -1117,6 +1118,7 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v unsigned long flags; struct epitem *epi = ep_item_from_wait(wait); struct eventpoll *ep = epi->ep; + __poll_t pollflags = key_to_poll(key); int ewake = 0; spin_lock_irqsave(&ep->lock, flags); @@ -1138,7 +1140,7 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v * callback. We need to be able to handle both cases here, hence the * test for "key" != NULL before the event match test. */ - if (key && !((unsigned long) key & epi->event.events)) + if (pollflags && !(pollflags & epi->event.events)) goto out_unlock; /* @@ -1175,8 +1177,8 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v */ if (waitqueue_active(&ep->wq)) { if ((epi->event.events & EPOLLEXCLUSIVE) && - !((unsigned long)key & POLLFREE)) { - switch ((unsigned long)key & EPOLLINOUT_BITS) { + !(pollflags & POLLFREE)) { + switch (pollflags & EPOLLINOUT_BITS) { case POLLIN: if (epi->event.events & POLLIN) ewake = 1; @@ -1205,7 +1207,7 @@ out_unlock: if (!(epi->event.events & EPOLLEXCLUSIVE)) ewake = 1; - if ((unsigned long)key & POLLFREE) { + if (pollflags & POLLFREE) { /* * If we race with ep_remove_wait_queue() it can miss * ->whead = NULL and do another remove_wait_queue() after @@ -1409,7 +1411,7 @@ static noinline void ep_destroy_wakeup_source(struct epitem *epi) /* * Must be called with "mtx" held. */ -static int ep_insert(struct eventpoll *ep, struct epoll_event *event, +static int ep_insert(struct eventpoll *ep, const struct epoll_event *event, struct file *tfile, int fd, int full_check) { int error, revents, pwake = 0; @@ -1486,7 +1488,7 @@ static int ep_insert(struct eventpoll *ep, struct epoll_event *event, ep_set_busy_poll_napi_id(epi); /* If the file is already "ready" we drop it inside the ready list */ - if ((revents & event->events) && !ep_is_linked(&epi->rdllink)) { + if (revents && !ep_is_linked(&epi->rdllink)) { list_add_tail(&epi->rdllink, &ep->rdllist); ep_pm_stay_awake(epi); @@ -1540,10 +1542,10 @@ error_create_wakeup_source: * Modify the interest event mask by dropping an event if the new mask * has a match in the current file status. Must be called with "mtx" held. */ -static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_event *event) +static int ep_modify(struct eventpoll *ep, struct epitem *epi, + const struct epoll_event *event) { int pwake = 0; - unsigned int revents; poll_table pt; init_poll_funcptr(&pt, NULL); @@ -1585,14 +1587,10 @@ static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_even /* * Get current event bits. We can safely use the file* here because * its usage count has been increased by the caller of this function. - */ - revents = ep_item_poll(epi, &pt, 1); - - /* * If the item is "hot" and it is not registered inside the ready * list, push it inside. */ - if (revents & event->events) { + if (ep_item_poll(epi, &pt, 1)) { spin_lock_irq(&ep->lock); if (!ep_is_linked(&epi->rdllink)) { list_add_tail(&epi->rdllink, &ep->rdllist); diff --git a/fs/exec.c b/fs/exec.c index 1d6243d9f2b6..6be2aa0ab26f 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1340,10 +1340,15 @@ void setup_new_exec(struct linux_binprm * bprm) * avoid bad behavior from the prior rlimits. This has to * happen before arch_pick_mmap_layout(), which examines * RLIMIT_STACK, but after the point of no return to avoid - * needing to clean up the change on failure. + * races from other threads changing the limits. This also + * must be protected from races with prlimit() calls. */ + task_lock(current->group_leader); if (current->signal->rlim[RLIMIT_STACK].rlim_cur > _STK_LIM) current->signal->rlim[RLIMIT_STACK].rlim_cur = _STK_LIM; + if (current->signal->rlim[RLIMIT_STACK].rlim_max > _STK_LIM) + current->signal->rlim[RLIMIT_STACK].rlim_max = _STK_LIM; + task_unlock(current->group_leader); } arch_pick_mmap_layout(current->mm); diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index e1b3724bebf2..33db13365c5e 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -548,7 +548,7 @@ do_more: } mark_buffer_dirty(bitmap_bh); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) sync_dirty_buffer(bitmap_bh); group_adjust_blocks(sb, block_group, desc, bh2, group_freed); @@ -1424,7 +1424,7 @@ allocated: percpu_counter_sub(&sbi->s_freeblocks_counter, num); mark_buffer_dirty(bitmap_bh); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) sync_dirty_buffer(bitmap_bh); *errp = 0; diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c index a1fc3dabca41..6484199b35d1 100644 --- a/fs/ext2/ialloc.c +++ b/fs/ext2/ialloc.c @@ -145,7 +145,7 @@ void ext2_free_inode (struct inode * inode) else ext2_release_inode(sb, block_group, is_directory); mark_buffer_dirty(bitmap_bh); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) sync_dirty_buffer(bitmap_bh); brelse(bitmap_bh); @@ -517,7 +517,7 @@ repeat_in_this_group: goto fail; got: mark_buffer_dirty(bitmap_bh); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) sync_dirty_buffer(bitmap_bh); brelse(bitmap_bh); diff --git a/fs/ext2/super.c b/fs/ext2/super.c index e2b6be03e69b..7646818ab266 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -75,7 +75,7 @@ void ext2_error(struct super_block *sb, const char *function, if (test_opt(sb, ERRORS_RO)) { ext2_msg(sb, KERN_CRIT, "error: remounting filesystem read-only"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } } @@ -656,7 +656,7 @@ static int ext2_setup_super (struct super_block * sb, ext2_msg(sb, KERN_ERR, "error: revision level too high, " "forcing read-only mode"); - res = MS_RDONLY; + res = SB_RDONLY; } if (read_only) return res; @@ -924,9 +924,9 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sbi->s_resuid = opts.s_resuid; sbi->s_resgid = opts.s_resgid; - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | + sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | ((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? - MS_POSIXACL : 0); + SB_POSIXACL : 0); sb->s_iflags |= SB_I_CGROUPWB; if (le32_to_cpu(es->s_rev_level) == EXT2_GOOD_OLD_REV && @@ -1178,7 +1178,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) ext2_msg(sb, KERN_WARNING, "warning: mounting ext3 filesystem as ext2"); if (ext2_setup_super (sb, es, sb_rdonly(sb))) - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; ext2_write_super(sb); return 0; @@ -1341,9 +1341,9 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) "dax flag with busy inodes while remounting"); new_opts.s_mount_opt ^= EXT2_MOUNT_DAX; } - if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) + if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) goto out_set; - if (*flags & MS_RDONLY) { + if (*flags & SB_RDONLY) { if (le16_to_cpu(es->s_state) & EXT2_VALID_FS || !(sbi->s_mount_state & EXT2_VALID_FS)) goto out_set; @@ -1379,7 +1379,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) */ sbi->s_mount_state = le16_to_cpu(es->s_state); if (!ext2_setup_super (sb, es, 0)) - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; spin_unlock(&sbi->s_lock); ext2_write_super(sb); @@ -1392,8 +1392,8 @@ out_set: sbi->s_mount_opt = new_opts.s_mount_opt; sbi->s_resuid = new_opts.s_resuid; sbi->s_resgid = new_opts.s_resgid; - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); + sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | + ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? SB_POSIXACL : 0); spin_unlock(&sbi->s_lock); return 0; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 0992d76f7ab1..7df2c5644e59 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2742,7 +2742,7 @@ static int ext4_writepages(struct address_space *mapping, * If the filesystem has aborted, it is read-only, so return * right away instead of dumping stack traces later on that * will obscure the real source of the problem. We test - * EXT4_MF_FS_ABORTED instead of sb->s_flag's MS_RDONLY because + * EXT4_MF_FS_ABORTED instead of sb->s_flag's SB_RDONLY because * the latter could be true if the filesystem is mounted * read-only, and in that case, ext4_writepages should * *never* be called, so if that ever happens, we would want @@ -5183,7 +5183,7 @@ static int ext4_do_update_inode(handle_t *handle, ext4_inode_csum_set(inode, raw_inode, ei); spin_unlock(&ei->i_raw_lock); - if (inode->i_sb->s_flags & MS_LAZYTIME) + if (inode->i_sb->s_flags & SB_LAZYTIME) ext4_update_other_inodes_time(inode->i_sb, inode->i_ino, bh->b_data); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 0556cd036b69..7c46693a14d7 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -422,7 +422,7 @@ static void ext4_handle_error(struct super_block *sb) * before ->s_flags update */ smp_wmb(); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } if (test_opt(sb, ERRORS_PANIC)) { if (EXT4_SB(sb)->s_journal && @@ -635,7 +635,7 @@ void __ext4_abort(struct super_block *sb, const char *function, * before ->s_flags update */ smp_wmb(); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; if (EXT4_SB(sb)->s_journal) jbd2_journal_abort(EXT4_SB(sb)->s_journal, -EIO); save_error_info(sb, function, line); @@ -1682,10 +1682,10 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, sb->s_flags |= SB_I_VERSION; return 1; case Opt_lazytime: - sb->s_flags |= MS_LAZYTIME; + sb->s_flags |= SB_LAZYTIME; return 1; case Opt_nolazytime: - sb->s_flags &= ~MS_LAZYTIME; + sb->s_flags &= ~SB_LAZYTIME; return 1; } @@ -2116,7 +2116,7 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es, if (le32_to_cpu(es->s_rev_level) > EXT4_MAX_SUPP_REV) { ext4_msg(sb, KERN_ERR, "revision level too high, " "forcing read-only mode"); - res = MS_RDONLY; + res = SB_RDONLY; } if (read_only) goto done; @@ -2429,7 +2429,7 @@ static void ext4_orphan_cleanup(struct super_block *sb, if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) { /* don't clear list on RO mount w/ errors */ - if (es->s_last_orphan && !(s_flags & MS_RDONLY)) { + if (es->s_last_orphan && !(s_flags & SB_RDONLY)) { ext4_msg(sb, KERN_INFO, "Errors on filesystem, " "clearing orphan list.\n"); es->s_last_orphan = 0; @@ -2438,19 +2438,19 @@ static void ext4_orphan_cleanup(struct super_block *sb, return; } - if (s_flags & MS_RDONLY) { + if (s_flags & SB_RDONLY) { ext4_msg(sb, KERN_INFO, "orphan cleanup on readonly fs"); - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; } #ifdef CONFIG_QUOTA /* Needed for iput() to work correctly and not trash data */ - sb->s_flags |= MS_ACTIVE; + sb->s_flags |= SB_ACTIVE; /* * Turn on quotas which were not enabled for read-only mounts if * filesystem has quota feature, so that they are updated correctly. */ - if (ext4_has_feature_quota(sb) && (s_flags & MS_RDONLY)) { + if (ext4_has_feature_quota(sb) && (s_flags & SB_RDONLY)) { int ret = ext4_enable_quotas(sb); if (!ret) @@ -2539,7 +2539,7 @@ static void ext4_orphan_cleanup(struct super_block *sb, } } #endif - sb->s_flags = s_flags; /* Restore MS_RDONLY status */ + sb->s_flags = s_flags; /* Restore SB_RDONLY status */ } /* @@ -2741,7 +2741,7 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly) if (ext4_has_feature_readonly(sb)) { ext4_msg(sb, KERN_INFO, "filesystem is read-only"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; return 1; } @@ -3623,8 +3623,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) sb->s_iflags |= SB_I_CGROUPWB; } - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0); + sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | + (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV && (ext4_has_compat_features(sb) || @@ -4199,7 +4199,7 @@ no_journal: } if (ext4_setup_super(sb, es, sb_rdonly(sb))) - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; /* determine the minimum size of new large inodes, if present */ if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE && @@ -4693,7 +4693,7 @@ static int ext4_commit_super(struct super_block *sb, int sync) * the clock is set in the future, and this will cause e2fsck * to complain and force a full file system check. */ - if (!(sb->s_flags & MS_RDONLY)) + if (!(sb->s_flags & SB_RDONLY)) es->s_wtime = cpu_to_le32(get_seconds()); if (sb->s_bdev->bd_part) es->s_kbytes_written = @@ -5047,8 +5047,8 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED) ext4_abort(sb, "Abort forced by user"); - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0); + sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | + (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0); es = sbi->s_es; @@ -5057,16 +5057,16 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) set_task_ioprio(sbi->s_journal->j_task, journal_ioprio); } - if (*flags & MS_LAZYTIME) - sb->s_flags |= MS_LAZYTIME; + if (*flags & SB_LAZYTIME) + sb->s_flags |= SB_LAZYTIME; - if ((bool)(*flags & MS_RDONLY) != sb_rdonly(sb)) { + if ((bool)(*flags & SB_RDONLY) != sb_rdonly(sb)) { if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED) { err = -EROFS; goto restore_opts; } - if (*flags & MS_RDONLY) { + if (*flags & SB_RDONLY) { err = sync_filesystem(sb); if (err < 0) goto restore_opts; @@ -5078,7 +5078,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) * First of all, the unconditional stuff we have to do * to disable replay of the journal when we next remount */ - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; /* * OK, test if we are remounting a valid rw partition @@ -5140,7 +5140,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) ext4_clear_journal_err(sb, es); sbi->s_mount_state = le16_to_cpu(es->s_state); if (!ext4_setup_super(sb, es, 0)) - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; if (ext4_has_feature_mmp(sb)) if (ext4_multi_mount_protect(sb, le64_to_cpu(es->s_mmp_block))) { @@ -5164,7 +5164,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) } ext4_setup_system_zone(sb); - if (sbi->s_journal == NULL && !(old_sb_flags & MS_RDONLY)) + if (sbi->s_journal == NULL && !(old_sb_flags & SB_RDONLY)) ext4_commit_super(sb, 1); #ifdef CONFIG_QUOTA @@ -5182,7 +5182,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) } #endif - *flags = (*flags & ~MS_LAZYTIME) | (sb->s_flags & MS_LAZYTIME); + *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME); ext4_msg(sb, KERN_INFO, "re-mounted. Opts: %s", orig_data); kfree(orig_data); return 0; diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index dd2e73e10857..4aa69bc1c70a 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -617,17 +617,17 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi) if (!is_set_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG)) return 0; - if (s_flags & MS_RDONLY) { + if (s_flags & SB_RDONLY) { f2fs_msg(sbi->sb, KERN_INFO, "orphan cleanup on readonly fs"); - sbi->sb->s_flags &= ~MS_RDONLY; + sbi->sb->s_flags &= ~SB_RDONLY; } #ifdef CONFIG_QUOTA /* Needed for iput() to work correctly and not trash data */ - sbi->sb->s_flags |= MS_ACTIVE; + sbi->sb->s_flags |= SB_ACTIVE; /* Turn on quotas so that they are updated correctly */ - quota_enabled = f2fs_enable_quota_files(sbi, s_flags & MS_RDONLY); + quota_enabled = f2fs_enable_quota_files(sbi, s_flags & SB_RDONLY); #endif start_blk = __start_cp_addr(sbi) + 1 + __cp_payload(sbi); @@ -658,7 +658,7 @@ out: if (quota_enabled) f2fs_quota_off_umount(sbi->sb); #endif - sbi->sb->s_flags = s_flags; /* Restore MS_RDONLY status */ + sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */ return err; } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index f4e094e816c6..6abf26c31d01 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2378,7 +2378,7 @@ static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) static inline int f2fs_readonly(struct super_block *sb) { - return sb->s_flags & MS_RDONLY; + return sb->s_flags & SB_RDONLY; } static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 5d5bba462f26..d844dcb80570 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1005,7 +1005,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, cpc.reason = __get_cp_reason(sbi); gc_more: - if (unlikely(!(sbi->sb->s_flags & MS_ACTIVE))) { + if (unlikely(!(sbi->sb->s_flags & SB_ACTIVE))) { ret = -EINVAL; goto stop; } diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index 92c57ace1939..b3a14b0429f2 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -598,16 +598,16 @@ int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only) int quota_enabled; #endif - if (s_flags & MS_RDONLY) { + if (s_flags & SB_RDONLY) { f2fs_msg(sbi->sb, KERN_INFO, "orphan cleanup on readonly fs"); - sbi->sb->s_flags &= ~MS_RDONLY; + sbi->sb->s_flags &= ~SB_RDONLY; } #ifdef CONFIG_QUOTA /* Needed for iput() to work correctly and not trash data */ - sbi->sb->s_flags |= MS_ACTIVE; + sbi->sb->s_flags |= SB_ACTIVE; /* Turn on quotas so that they are updated correctly */ - quota_enabled = f2fs_enable_quota_files(sbi, s_flags & MS_RDONLY); + quota_enabled = f2fs_enable_quota_files(sbi, s_flags & SB_RDONLY); #endif fsync_entry_slab = f2fs_kmem_cache_create("f2fs_fsync_inode_entry", @@ -671,7 +671,7 @@ out: if (quota_enabled) f2fs_quota_off_umount(sbi->sb); #endif - sbi->sb->s_flags = s_flags; /* Restore MS_RDONLY status */ + sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */ return ret ? ret: err; } diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index a6c5dd450002..708155d9c2e4 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -534,10 +534,10 @@ static int parse_options(struct super_block *sb, char *options) #endif break; case Opt_lazytime: - sb->s_flags |= MS_LAZYTIME; + sb->s_flags |= SB_LAZYTIME; break; case Opt_nolazytime: - sb->s_flags &= ~MS_LAZYTIME; + sb->s_flags &= ~SB_LAZYTIME; break; #ifdef CONFIG_QUOTA case Opt_quota: @@ -1168,7 +1168,7 @@ static void default_options(struct f2fs_sb_info *sbi) set_opt(sbi, INLINE_DENTRY); set_opt(sbi, EXTENT_CACHE); set_opt(sbi, NOHEAP); - sbi->sb->s_flags |= MS_LAZYTIME; + sbi->sb->s_flags |= SB_LAZYTIME; set_opt(sbi, FLUSH_MERGE); if (f2fs_sb_mounted_blkzoned(sbi->sb)) { set_opt_mode(sbi, F2FS_MOUNT_LFS); @@ -1236,7 +1236,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) #endif /* recover superblocks we couldn't write due to previous RO mount */ - if (!(*flags & MS_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { + if (!(*flags & SB_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) { err = f2fs_commit_super(sbi, false); f2fs_msg(sb, KERN_INFO, "Try to recover all the superblocks, ret: %d", err); @@ -1255,17 +1255,17 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) * Previous and new state of filesystem is RO, * so skip checking GC and FLUSH_MERGE conditions. */ - if (f2fs_readonly(sb) && (*flags & MS_RDONLY)) + if (f2fs_readonly(sb) && (*flags & SB_RDONLY)) goto skip; #ifdef CONFIG_QUOTA - if (!f2fs_readonly(sb) && (*flags & MS_RDONLY)) { + if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) { err = dquot_suspend(sb, -1); if (err < 0) goto restore_opts; } else { /* dquot_resume needs RW */ - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; if (sb_any_quota_suspended(sb)) { dquot_resume(sb, -1); } else if (f2fs_sb_has_quota_ino(sb)) { @@ -1288,7 +1288,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) * or if background_gc = off is passed in mount * option. Also sync the filesystem. */ - if ((*flags & MS_RDONLY) || !test_opt(sbi, BG_GC)) { + if ((*flags & SB_RDONLY) || !test_opt(sbi, BG_GC)) { if (sbi->gc_thread) { stop_gc_thread(sbi); need_restart_gc = true; @@ -1300,7 +1300,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) need_stop_gc = true; } - if (*flags & MS_RDONLY) { + if (*flags & SB_RDONLY) { writeback_inodes_sb(sb, WB_REASON_SYNC); sync_inodes_sb(sb); @@ -1314,7 +1314,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data) * We stop issue flush thread if FS is mounted as RO * or if flush_merge is not passed in mount option. */ - if ((*flags & MS_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { + if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) { clear_opt(sbi, FLUSH_MERGE); destroy_flush_cmd_control(sbi, false); } else { @@ -1329,8 +1329,8 @@ skip: kfree(s_qf_names[i]); #endif /* Update the POSIXACL Flag */ - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - (test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0); + sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | + (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); return 0; restore_gc: @@ -2472,8 +2472,8 @@ try_onemore: sb->s_export_op = &f2fs_export_ops; sb->s_magic = F2FS_SUPER_MAGIC; sb->s_time_gran = 1; - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | - (test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0); + sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | + (test_opt(sbi, POSIX_ACL) ? SB_POSIXACL : 0); memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid)); /* init f2fs-specific super block info */ diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c index 48b2336692f9..bac10de678cc 100644 --- a/fs/fat/fatent.c +++ b/fs/fat/fatent.c @@ -392,7 +392,7 @@ static int fat_mirror_bhs(struct super_block *sb, struct buffer_head **bhs, memcpy(c_bh->b_data, bhs[n]->b_data, sb->s_blocksize); set_buffer_uptodate(c_bh); mark_buffer_dirty_inode(c_bh, sbi->fat_inode); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) err = sync_dirty_buffer(c_bh); brelse(c_bh); if (err) @@ -597,7 +597,7 @@ int fat_free_clusters(struct inode *inode, int cluster) } if (nr_bhs + fatent.nr_bhs > MAX_BUF_PER_PAGE) { - if (sb->s_flags & MS_SYNCHRONOUS) { + if (sb->s_flags & SB_SYNCHRONOUS) { err = fat_sync_bhs(bhs, nr_bhs); if (err) goto error; @@ -612,7 +612,7 @@ int fat_free_clusters(struct inode *inode, int cluster) fat_collect_bhs(bhs, &nr_bhs, &fatent); } while (cluster != FAT_ENT_EOF); - if (sb->s_flags & MS_SYNCHRONOUS) { + if (sb->s_flags & SB_SYNCHRONOUS) { err = fat_sync_bhs(bhs, nr_bhs); if (err) goto error; diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 30c52394a7ad..20a0a89eaca5 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -779,14 +779,14 @@ static void __exit fat_destroy_inodecache(void) static int fat_remount(struct super_block *sb, int *flags, char *data) { - int new_rdonly; + bool new_rdonly; struct msdos_sb_info *sbi = MSDOS_SB(sb); - *flags |= MS_NODIRATIME | (sbi->options.isvfat ? 0 : MS_NOATIME); + *flags |= SB_NODIRATIME | (sbi->options.isvfat ? 0 : SB_NOATIME); sync_filesystem(sb); /* make sure we update state on remount. */ - new_rdonly = *flags & MS_RDONLY; + new_rdonly = *flags & SB_RDONLY; if (new_rdonly != sb_rdonly(sb)) { if (new_rdonly) fat_set_state(sb, 0, 0); @@ -1352,7 +1352,7 @@ out: if (opts->unicode_xlate) opts->utf8 = 0; if (opts->nfs == FAT_NFS_NOSTALE_RO) { - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; sb->s_export_op = &fat_export_ops_nostale; } @@ -1608,7 +1608,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, return -ENOMEM; sb->s_fs_info = sbi; - sb->s_flags |= MS_NODIRATIME; + sb->s_flags |= SB_NODIRATIME; sb->s_magic = MSDOS_SUPER_MAGIC; sb->s_op = &fat_sops; sb->s_export_op = &fat_export_ops; diff --git a/fs/fat/misc.c b/fs/fat/misc.c index acc3aa30ee54..f9bdc1e01c98 100644 --- a/fs/fat/misc.c +++ b/fs/fat/misc.c @@ -33,7 +33,7 @@ void __fat_fs_error(struct super_block *sb, int report, const char *fmt, ...) if (opts->errors == FAT_ERRORS_PANIC) panic("FAT-fs (%s): fs panic from previous error\n", sb->s_id); else if (opts->errors == FAT_ERRORS_RO && !sb_rdonly(sb)) { - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; fat_msg(sb, KERN_ERR, "Filesystem has been set read-only"); } } diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c index 7d6a105d601b..d24d2758a363 100644 --- a/fs/fat/namei_msdos.c +++ b/fs/fat/namei_msdos.c @@ -646,7 +646,7 @@ static void setup(struct super_block *sb) { MSDOS_SB(sb)->dir_ops = &msdos_dir_inode_operations; sb->s_d_op = &msdos_dentry_operations; - sb->s_flags |= MS_NOATIME; + sb->s_flags |= SB_NOATIME; } static int msdos_fill_super(struct super_block *sb, void *data, int silent) diff --git a/fs/fcntl.c b/fs/fcntl.c index 0522e283a4f4..84bab55b4712 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -690,7 +690,7 @@ COMPAT_SYSCALL_DEFINE3(fcntl, unsigned int, fd, unsigned int, cmd, /* Table to convert sigio signal codes into poll band bitmaps */ -static const long band_table[NSIGPOLL] = { +static const __poll_t band_table[NSIGPOLL] = { POLLIN | POLLRDNORM, /* POLL_IN */ POLLOUT | POLLWRNORM | POLLWRBAND, /* POLL_OUT */ POLLIN | POLLRDNORM | POLLMSG, /* POLL_MSG */ @@ -758,7 +758,7 @@ static void send_sigio_to_task(struct task_struct *p, if (reason - POLL_IN >= NSIGPOLL) si.si_band = ~0L; else - si.si_band = band_table[reason - POLL_IN]; + si.si_band = mangle_poll(band_table[reason - POLL_IN]); si.si_fd = fd; if (!do_send_sig_info(signum, &si, p, group)) break; diff --git a/fs/file.c b/fs/file.c index 3b080834b870..bb2d251e19c1 100644 --- a/fs/file.c +++ b/fs/file.c @@ -11,18 +11,13 @@ #include <linux/export.h> #include <linux/fs.h> #include <linux/mm.h> -#include <linux/mmzone.h> -#include <linux/time.h> #include <linux/sched/signal.h> #include <linux/slab.h> -#include <linux/vmalloc.h> #include <linux/file.h> #include <linux/fdtable.h> #include <linux/bitops.h> -#include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/rcupdate.h> -#include <linux/workqueue.h> unsigned int sysctl_nr_open __read_mostly = 1024*1024; unsigned int sysctl_nr_open_min = BITS_PER_LONG; diff --git a/fs/file_table.c b/fs/file_table.c index 2dc9f38bd195..7ec0b3e5f05d 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -23,7 +23,6 @@ #include <linux/sysctl.h> #include <linux/percpu_counter.h> #include <linux/percpu.h> -#include <linux/hardirq.h> #include <linux/task_work.h> #include <linux/ima.h> #include <linux/swap.h> diff --git a/fs/freevxfs/vxfs_super.c b/fs/freevxfs/vxfs_super.c index 455ce5b77e9b..f989efa051a0 100644 --- a/fs/freevxfs/vxfs_super.c +++ b/fs/freevxfs/vxfs_super.c @@ -116,7 +116,7 @@ vxfs_statfs(struct dentry *dentry, struct kstatfs *bufp) static int vxfs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; return 0; } @@ -220,7 +220,7 @@ static int vxfs_fill_super(struct super_block *sbp, void *dp, int silent) int ret = -EINVAL; u32 j; - sbp->s_flags |= MS_RDONLY; + sbp->s_flags |= SB_RDONLY; infp = kzalloc(sizeof(*infp), GFP_KERNEL); if (!infp) { diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 08f5debd07d1..cea4836385b7 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -490,7 +490,7 @@ static void inode_switch_wbs(struct inode *inode, int new_wb_id) /* while holding I_WB_SWITCH, no one else can update the association */ spin_lock(&inode->i_lock); - if (!(inode->i_sb->s_flags & MS_ACTIVE) || + if (!(inode->i_sb->s_flags & SB_ACTIVE) || inode->i_state & (I_WB_SWITCH | I_FREEING) || inode_to_wb(inode) == isw->new_wb) { spin_unlock(&inode->i_lock); diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 17f0d05bfd4c..aa089a6925d0 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -2004,9 +2004,9 @@ out: return ret; } -static unsigned fuse_dev_poll(struct file *file, poll_table *wait) +static __poll_t fuse_dev_poll(struct file *file, poll_table *wait) { - unsigned mask = POLLOUT | POLLWRNORM; + __poll_t mask = POLLOUT | POLLWRNORM; struct fuse_iqueue *fiq; struct fuse_dev *fud = fuse_get_dev(file); diff --git a/fs/fuse/file.c b/fs/fuse/file.c index cb7dff5c45d7..e85e974dd211 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2751,7 +2751,7 @@ static void fuse_register_polled_file(struct fuse_conn *fc, spin_unlock(&fc->lock); } -unsigned fuse_file_poll(struct file *file, poll_table *wait) +__poll_t fuse_file_poll(struct file *file, poll_table *wait) { struct fuse_file *ff = file->private_data; struct fuse_conn *fc = ff->fc; @@ -2764,7 +2764,7 @@ unsigned fuse_file_poll(struct file *file, poll_table *wait) return DEFAULT_POLLMASK; poll_wait(file, &ff->poll_wait, wait); - inarg.events = (__u32)poll_requested_events(wait); + inarg.events = mangle_poll(poll_requested_events(wait)); /* * Ask for notification iff there's someone waiting for it. @@ -2786,7 +2786,7 @@ unsigned fuse_file_poll(struct file *file, poll_table *wait) err = fuse_simple_request(fc, &args); if (!err) - return outarg.revents; + return demangle_poll(outarg.revents); if (err == -ENOSYS) { fc->no_poll = 1; return DEFAULT_POLLMASK; diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index d5773ca67ad2..c4c093bbf456 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -951,7 +951,7 @@ long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg, unsigned int flags); long fuse_ioctl_common(struct file *file, unsigned int cmd, unsigned long arg, unsigned int flags); -unsigned fuse_file_poll(struct file *file, poll_table *wait); +__poll_t fuse_file_poll(struct file *file, poll_table *wait); int fuse_dev_release(struct inode *inode, struct file *file); bool fuse_write_update_size(struct inode *inode, loff_t pos); diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 2f504d615d92..624f18bbfd2b 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -130,7 +130,7 @@ static void fuse_evict_inode(struct inode *inode) { truncate_inode_pages_final(&inode->i_data); clear_inode(inode); - if (inode->i_sb->s_flags & MS_ACTIVE) { + if (inode->i_sb->s_flags & SB_ACTIVE) { struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_inode *fi = get_fuse_inode(inode); fuse_queue_forget(fc, fi->forget, fi->nodeid, fi->nlookup); @@ -141,7 +141,7 @@ static void fuse_evict_inode(struct inode *inode) static int fuse_remount_fs(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - if (*flags & MS_MANDLOCK) + if (*flags & SB_MANDLOCK) return -EINVAL; return 0; @@ -1056,10 +1056,10 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) int is_bdev = sb->s_bdev != NULL; err = -EINVAL; - if (sb->s_flags & MS_MANDLOCK) + if (sb->s_flags & SB_MANDLOCK) goto err; - sb->s_flags &= ~(MS_NOSEC | SB_I_VERSION); + sb->s_flags &= ~(SB_NOSEC | SB_I_VERSION); if (!parse_fuse_opt(data, &d, is_bdev)) goto err; @@ -1109,9 +1109,9 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) goto err_dev_free; /* Handle umasking inside the fuse code */ - if (sb->s_flags & MS_POSIXACL) + if (sb->s_flags & SB_POSIXACL) fc->dont_mask = 1; - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; fc->default_permissions = d.default_permissions; fc->allow_other = d.allow_other; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index a3711f543405..ad55eb86a250 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -1065,15 +1065,15 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent sdp->sd_args = *args; if (sdp->sd_args.ar_spectator) { - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; set_bit(SDF_RORECOVERY, &sdp->sd_flags); } if (sdp->sd_args.ar_posix_acl) - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; if (sdp->sd_args.ar_nobarrier) set_bit(SDF_NOBARRIERS, &sdp->sd_flags); - sb->s_flags |= MS_NOSEC; + sb->s_flags |= SB_NOSEC; sb->s_magic = GFS2_MAGIC; sb->s_op = &gfs2_super_ops; sb->s_d_op = &gfs2_dops; @@ -1257,7 +1257,7 @@ static struct dentry *gfs2_mount(struct file_system_type *fs_type, int flags, struct gfs2_args args; struct gfs2_sbd *sdp; - if (!(flags & MS_RDONLY)) + if (!(flags & SB_RDONLY)) mode |= FMODE_WRITE; bdev = blkdev_get_by_path(dev_name, mode, fs_type); @@ -1313,15 +1313,15 @@ static struct dentry *gfs2_mount(struct file_system_type *fs_type, int flags, if (s->s_root) { error = -EBUSY; - if ((flags ^ s->s_flags) & MS_RDONLY) + if ((flags ^ s->s_flags) & SB_RDONLY) goto error_super; } else { snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev); sb_set_blocksize(s, block_size(bdev)); - error = fill_super(s, &args, flags & MS_SILENT ? 1 : 0); + error = fill_super(s, &args, flags & SB_SILENT ? 1 : 0); if (error) goto error_super; - s->s_flags |= MS_ACTIVE; + s->s_flags |= SB_ACTIVE; bdev->bd_super = s; } @@ -1365,7 +1365,7 @@ static struct dentry *gfs2_mount_meta(struct file_system_type *fs_type, pr_warn("gfs2 mount does not exist\n"); return ERR_CAST(s); } - if ((flags ^ s->s_flags) & MS_RDONLY) { + if ((flags ^ s->s_flags) & SB_RDONLY) { deactivate_locked_super(s); return ERR_PTR(-EBUSY); } diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index 9cb5c9a97d69..d81d46e19726 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -1256,10 +1256,10 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data) return -EINVAL; if (sdp->sd_args.ar_spectator) - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; - if ((sb->s_flags ^ *flags) & MS_RDONLY) { - if (*flags & MS_RDONLY) + if ((sb->s_flags ^ *flags) & SB_RDONLY) { + if (*flags & SB_RDONLY) error = gfs2_make_fs_ro(sdp); else error = gfs2_make_fs_rw(sdp); @@ -1269,9 +1269,9 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data) sdp->sd_args = args; if (sdp->sd_args.ar_posix_acl) - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; else - sb->s_flags &= ~MS_POSIXACL; + sb->s_flags &= ~SB_POSIXACL; if (sdp->sd_args.ar_nobarrier) set_bit(SDF_NOBARRIERS, &sdp->sd_flags); else diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c index a85ca8b2c9ba..ca8b72d0a831 100644 --- a/fs/gfs2/trans.c +++ b/fs/gfs2/trans.c @@ -117,7 +117,7 @@ void gfs2_trans_end(struct gfs2_sbd *sdp) kfree(tr); up_read(&sdp->sd_log_flush_lock); - if (sdp->sd_vfs->s_flags & MS_SYNCHRONOUS) + if (sdp->sd_vfs->s_flags & SB_SYNCHRONOUS) gfs2_log_flush(sdp, NULL, NORMAL_FLUSH); if (alloced) sb_end_intwrite(sdp->sd_vfs); diff --git a/fs/hfs/mdb.c b/fs/hfs/mdb.c index 894994d2c885..460281b1299e 100644 --- a/fs/hfs/mdb.c +++ b/fs/hfs/mdb.c @@ -204,11 +204,11 @@ int hfs_mdb_get(struct super_block *sb) attrib = mdb->drAtrb; if (!(attrib & cpu_to_be16(HFS_SB_ATTRIB_UNMNT))) { pr_warn("filesystem was not cleanly unmounted, running fsck.hfs is recommended. mounting read-only.\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } if ((attrib & cpu_to_be16(HFS_SB_ATTRIB_SLOCK))) { pr_warn("filesystem is marked locked, mounting read-only.\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } if (!sb_rdonly(sb)) { /* Mark the volume uncleanly unmounted in case we crash */ diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 7e0d65e9586c..173876782f73 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -114,18 +114,18 @@ static int hfs_statfs(struct dentry *dentry, struct kstatfs *buf) static int hfs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_NODIRATIME; - if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) + *flags |= SB_NODIRATIME; + if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) return 0; - if (!(*flags & MS_RDONLY)) { + if (!(*flags & SB_RDONLY)) { if (!(HFS_SB(sb)->mdb->drAtrb & cpu_to_be16(HFS_SB_ATTRIB_UNMNT))) { pr_warn("filesystem was not cleanly unmounted, running fsck.hfs is recommended. leaving read-only.\n"); - sb->s_flags |= MS_RDONLY; - *flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; + *flags |= SB_RDONLY; } else if (HFS_SB(sb)->mdb->drAtrb & cpu_to_be16(HFS_SB_ATTRIB_SLOCK)) { pr_warn("filesystem is marked locked, leaving read-only.\n"); - sb->s_flags |= MS_RDONLY; - *flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; + *flags |= SB_RDONLY; } } return 0; @@ -407,7 +407,7 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent) sb->s_op = &hfs_super_operations; sb->s_xattr = hfs_xattr_handlers; - sb->s_flags |= MS_NODIRATIME; + sb->s_flags |= SB_NODIRATIME; mutex_init(&sbi->bitmap_lock); res = hfs_mdb_get(sb); diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index e5bb2de2262a..1d458b716957 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -329,9 +329,9 @@ static int hfsplus_statfs(struct dentry *dentry, struct kstatfs *buf) static int hfsplus_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) + if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) return 0; - if (!(*flags & MS_RDONLY)) { + if (!(*flags & SB_RDONLY)) { struct hfsplus_vh *vhdr = HFSPLUS_SB(sb)->s_vhdr; int force = 0; @@ -340,20 +340,20 @@ static int hfsplus_remount(struct super_block *sb, int *flags, char *data) if (!(vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_UNMNT))) { pr_warn("filesystem was not cleanly unmounted, running fsck.hfsplus is recommended. leaving read-only.\n"); - sb->s_flags |= MS_RDONLY; - *flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; + *flags |= SB_RDONLY; } else if (force) { /* nothing */ } else if (vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_SOFTLOCK)) { pr_warn("filesystem is marked locked, leaving read-only.\n"); - sb->s_flags |= MS_RDONLY; - *flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; + *flags |= SB_RDONLY; } else if (vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_JOURNALED)) { pr_warn("filesystem is marked journaled, leaving read-only.\n"); - sb->s_flags |= MS_RDONLY; - *flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; + *flags |= SB_RDONLY; } } return 0; @@ -455,16 +455,16 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) if (!(vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_UNMNT))) { pr_warn("Filesystem was not cleanly unmounted, running fsck.hfsplus is recommended. mounting read-only.\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } else if (test_and_clear_bit(HFSPLUS_SB_FORCE, &sbi->flags)) { /* nothing */ } else if (vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_SOFTLOCK)) { pr_warn("Filesystem is marked locked, mounting read-only.\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } else if ((vhdr->attributes & cpu_to_be32(HFSPLUS_VOL_JOURNALED)) && !sb_rdonly(sb)) { pr_warn("write access to a journaled filesystem is not supported, use the force option at your own risk, mounting read-only.\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } err = -EINVAL; diff --git a/fs/hpfs/map.c b/fs/hpfs/map.c index e0e60b148400..7c49f1ef0c85 100644 --- a/fs/hpfs/map.c +++ b/fs/hpfs/map.c @@ -288,7 +288,7 @@ struct dnode *hpfs_map_dnode(struct super_block *s, unsigned secno, goto bail; } if (((31 + de->namelen + de->down*4 + 3) & ~3) != le16_to_cpu(de->length)) { - if (((31 + de->namelen + de->down*4 + 3) & ~3) < le16_to_cpu(de->length) && s->s_flags & MS_RDONLY) goto ok; + if (((31 + de->namelen + de->down*4 + 3) & ~3) < le16_to_cpu(de->length) && s->s_flags & SB_RDONLY) goto ok; hpfs_error(s, "namelen does not match dirent size in dnode %08x, dirent %03x, last %03x", secno, p, pp); goto bail; } diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c index 1516fb4e28f4..c45a3b9b9ac7 100644 --- a/fs/hpfs/super.c +++ b/fs/hpfs/super.c @@ -78,7 +78,7 @@ void hpfs_error(struct super_block *s, const char *fmt, ...) else { pr_cont("; remounting read-only\n"); mark_dirty(s, 0); - s->s_flags |= MS_RDONLY; + s->s_flags |= SB_RDONLY; } } else if (sb_rdonly(s)) pr_cont("; going on - but anything won't be destroyed because it's read-only\n"); @@ -457,7 +457,7 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data) sync_filesystem(s); - *flags |= MS_NOATIME; + *flags |= SB_NOATIME; hpfs_lock(s); uid = sbi->sb_uid; gid = sbi->sb_gid; @@ -488,7 +488,7 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data) sbi->sb_eas = eas; sbi->sb_chk = chk; sbi->sb_chkdsk = chkdsk; sbi->sb_err = errs; sbi->sb_timeshift = timeshift; - if (!(*flags & MS_RDONLY)) mark_dirty(s, 1); + if (!(*flags & SB_RDONLY)) mark_dirty(s, 1); hpfs_unlock(s); return 0; @@ -614,7 +614,7 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent) goto bail4; } - s->s_flags |= MS_NOATIME; + s->s_flags |= SB_NOATIME; /* Fill superblock stuff */ s->s_magic = HPFS_SUPER_MAGIC; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 1e76730aac0d..8a85f3f53446 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -639,11 +639,11 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset, mutex_unlock(&hugetlb_fault_mutex_table[hash]); /* - * page_put due to reference from alloc_huge_page() * unlock_page because locked by add_to_page_cache() + * page_put due to reference from alloc_huge_page() */ - put_page(page); unlock_page(page); + put_page(page); } if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + len > inode->i_size) diff --git a/fs/inode.c b/fs/inode.c index fd401028a309..03102d6ef044 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -416,7 +416,7 @@ void inode_add_lru(struct inode *inode) { if (!(inode->i_state & (I_DIRTY_ALL | I_SYNC | I_FREEING | I_WILL_FREE)) && - !atomic_read(&inode->i_count) && inode->i_sb->s_flags & MS_ACTIVE) + !atomic_read(&inode->i_count) && inode->i_sb->s_flags & SB_ACTIVE) inode_lru_list_add(inode); } @@ -595,7 +595,7 @@ static void dispose_list(struct list_head *head) * @sb: superblock to operate on * * Make sure that no inodes with zero refcount are retained. This is - * called by superblock shutdown after having MS_ACTIVE flag removed, + * called by superblock shutdown after having SB_ACTIVE flag removed, * so any inode reaching zero refcount during or after that call will * be immediately evicted. */ @@ -1492,7 +1492,7 @@ static void iput_final(struct inode *inode) else drop = generic_drop_inode(inode); - if (!drop && (sb->s_flags & MS_ACTIVE)) { + if (!drop && (sb->s_flags & SB_ACTIVE)) { inode_add_lru(inode); spin_unlock(&inode->i_lock); return; @@ -1644,7 +1644,7 @@ int generic_update_time(struct inode *inode, struct timespec *time, int flags) if (flags & S_MTIME) inode->i_mtime = *time; - if (!(inode->i_sb->s_flags & MS_LAZYTIME) || (flags & S_VERSION)) + if (!(inode->i_sb->s_flags & SB_LAZYTIME) || (flags & S_VERSION)) iflags |= I_DIRTY_SYNC; __mark_inode_dirty(inode, iflags); return 0; @@ -1691,7 +1691,7 @@ bool __atime_needs_update(const struct path *path, struct inode *inode, if (IS_NOATIME(inode)) return false; - if ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode)) + if ((inode->i_sb->s_flags & SB_NODIRATIME) && S_ISDIR(inode->i_mode)) return false; if (mnt->mnt_flags & MNT_NOATIME) diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 447a24d77b89..bc258a4402f6 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -114,7 +114,7 @@ static void destroy_inodecache(void) static int isofs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - if (!(*flags & MS_RDONLY)) + if (!(*flags & SB_RDONLY)) return -EROFS; return 0; } diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index e96c6b05e43e..d8c274d39ddb 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -409,10 +409,10 @@ int jffs2_do_remount_fs(struct super_block *sb, int *flags, char *data) mutex_unlock(&c->alloc_sem); } - if (!(*flags & MS_RDONLY)) + if (!(*flags & SB_RDONLY)) jffs2_start_garbage_collect_thread(c); - *flags |= MS_NOATIME; + *flags |= SB_NOATIME; return 0; } diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index 824e61ede465..c2fbec19c616 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -59,7 +59,7 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f) } -#define jffs2_is_readonly(c) (OFNI_BS_2SFFJ(c)->s_flags & MS_RDONLY) +#define jffs2_is_readonly(c) (OFNI_BS_2SFFJ(c)->s_flags & SB_RDONLY) #define SECTOR_ADDR(x) ( (((unsigned long)(x) / c->sector_size) * c->sector_size) ) #ifndef CONFIG_JFFS2_FS_WRITEBUFFER diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index 153f1c6eb169..f60dee7faf03 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -301,10 +301,10 @@ static int jffs2_fill_super(struct super_block *sb, void *data, int silent) sb->s_op = &jffs2_super_operations; sb->s_export_op = &jffs2_export_ops; - sb->s_flags = sb->s_flags | MS_NOATIME; + sb->s_flags = sb->s_flags | SB_NOATIME; sb->s_xattr = jffs2_xattr_handlers; #ifdef CONFIG_JFFS2_FS_POSIX_ACL - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; #endif ret = jffs2_do_fill_super(sb, data, silent); return ret; diff --git a/fs/jfs/super.c b/fs/jfs/super.c index 2f7b3af5b8b7..90373aebfdca 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -87,7 +87,7 @@ static void jfs_handle_error(struct super_block *sb) else if (sbi->flag & JFS_ERR_REMOUNT_RO) { jfs_err("ERROR: (device %s): remounting filesystem as read-only", sb->s_id); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } /* nothing is done for continue beyond marking the superblock dirty */ @@ -477,7 +477,7 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data) return rc; } - if (sb_rdonly(sb) && !(*flags & MS_RDONLY)) { + if (sb_rdonly(sb) && !(*flags & SB_RDONLY)) { /* * Invalidate any previously read metadata. fsck may have * changed the on-disk data since we mounted r/o @@ -488,12 +488,12 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data) ret = jfs_mount_rw(sb, 1); /* mark the fs r/w for quota activity */ - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; dquot_resume(sb, -1); return ret; } - if (!sb_rdonly(sb) && (*flags & MS_RDONLY)) { + if (!sb_rdonly(sb) && (*flags & SB_RDONLY)) { rc = dquot_suspend(sb, -1); if (rc < 0) return rc; @@ -545,7 +545,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent) sbi->flag = flag; #ifdef CONFIG_JFS_POSIX_ACL - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; #endif if (newLVSize) { diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c index 9698e51656b1..c53d9cc5ae7a 100644 --- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -832,7 +832,7 @@ void kernfs_drain_open_files(struct kernfs_node *kn) * to see if it supports poll (Neither 'poll' nor 'select' return * an appropriate error code). When in doubt, set a suitable timeout value. */ -static unsigned int kernfs_fop_poll(struct file *filp, poll_table *wait) +static __poll_t kernfs_fop_poll(struct file *filp, poll_table *wait) { struct kernfs_open_file *of = kernfs_of(filp); struct kernfs_node *kn = kernfs_dentry_node(filp->f_path.dentry); diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c index 95a7c88baed9..26dd9a50f383 100644 --- a/fs/kernfs/mount.c +++ b/fs/kernfs/mount.c @@ -335,7 +335,7 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, deactivate_locked_super(sb); return ERR_PTR(error); } - sb->s_flags |= MS_ACTIVE; + sb->s_flags |= SB_ACTIVE; mutex_lock(&kernfs_mutex); list_add(&info->node, &root->supers); diff --git a/fs/libfs.c b/fs/libfs.c index 3aabe553fc45..7ff3cb904acd 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -246,7 +246,7 @@ struct dentry *mount_pseudo_xattr(struct file_system_type *fs_type, char *name, struct inode *root; struct qstr d_name = QSTR_INIT(name, strlen(name)); - s = sget_userns(fs_type, NULL, set_anon_super, MS_KERNMOUNT|MS_NOUSER, + s = sget_userns(fs_type, NULL, set_anon_super, SB_KERNMOUNT|SB_NOUSER, &init_user_ns, NULL); if (IS_ERR(s)) return ERR_CAST(s); @@ -277,7 +277,7 @@ struct dentry *mount_pseudo_xattr(struct file_system_type *fs_type, char *name, d_instantiate(dentry, root); s->s_root = dentry; s->s_d_op = dops; - s->s_flags |= MS_ACTIVE; + s->s_flags |= SB_ACTIVE; return dget(s->s_root); Enomem: @@ -578,7 +578,7 @@ int simple_pin_fs(struct file_system_type *type, struct vfsmount **mount, int *c spin_lock(&pin_fs_lock); if (unlikely(!*mount)) { spin_unlock(&pin_fs_lock); - mnt = vfs_kern_mount(type, MS_KERNMOUNT, type->name, NULL); + mnt = vfs_kern_mount(type, SB_KERNMOUNT, type->name, NULL); if (IS_ERR(mnt)) return PTR_ERR(mnt); spin_lock(&pin_fs_lock); diff --git a/fs/lockd/host.c b/fs/lockd/host.c index 0d4e590e0549..826a89184f90 100644 --- a/fs/lockd/host.c +++ b/fs/lockd/host.c @@ -578,8 +578,10 @@ static void nlm_complain_hosts(struct net *net) if (ln->nrhosts == 0) return; - printk(KERN_WARNING "lockd: couldn't shutdown host module for net %p!\n", net); - dprintk("lockd: %lu hosts left in net %p:\n", ln->nrhosts, net); + pr_warn("lockd: couldn't shutdown host module for net %x!\n", + net->ns.inum); + dprintk("lockd: %lu hosts left in net %x:\n", ln->nrhosts, + net->ns.inum); } else { if (nrhosts == 0) return; @@ -590,9 +592,9 @@ static void nlm_complain_hosts(struct net *net) for_each_host(host, chain, nlm_server_hosts) { if (net && host->net != net) continue; - dprintk(" %s (cnt %d use %d exp %ld net %p)\n", + dprintk(" %s (cnt %d use %d exp %ld net %x)\n", host->h_name, atomic_read(&host->h_count), - host->h_inuse, host->h_expires, host->net); + host->h_inuse, host->h_expires, host->net->ns.inum); } } @@ -605,7 +607,8 @@ nlm_shutdown_hosts_net(struct net *net) mutex_lock(&nlm_host_mutex); /* First, make all hosts eligible for gc */ - dprintk("lockd: nuking all hosts in net %p...\n", net); + dprintk("lockd: nuking all hosts in net %x...\n", + net ? net->ns.inum : 0); for_each_host(host, chain, nlm_server_hosts) { if (net && host->net != net) continue; @@ -618,9 +621,8 @@ nlm_shutdown_hosts_net(struct net *net) /* Then, perform a garbage collection pass */ nlm_gc_hosts(net); - mutex_unlock(&nlm_host_mutex); - nlm_complain_hosts(net); + mutex_unlock(&nlm_host_mutex); } /* @@ -646,7 +648,8 @@ nlm_gc_hosts(struct net *net) struct hlist_node *next; struct nlm_host *host; - dprintk("lockd: host garbage collection for net %p\n", net); + dprintk("lockd: host garbage collection for net %x\n", + net ? net->ns.inum : 0); for_each_host(host, chain, nlm_server_hosts) { if (net && host->net != net) continue; @@ -662,9 +665,10 @@ nlm_gc_hosts(struct net *net) if (atomic_read(&host->h_count) || host->h_inuse || time_before(jiffies, host->h_expires)) { dprintk("nlm_gc_hosts skipping %s " - "(cnt %d use %d exp %ld net %p)\n", + "(cnt %d use %d exp %ld net %x)\n", host->h_name, atomic_read(&host->h_count), - host->h_inuse, host->h_expires, host->net); + host->h_inuse, host->h_expires, + host->net->ns.inum); continue; } nlm_destroy_host_locked(host); diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c index 9fbbd11f9ecb..96cfb2967ac7 100644 --- a/fs/lockd/mon.c +++ b/fs/lockd/mon.c @@ -110,7 +110,8 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res, clnt = nsm_create(host->net, host->nodename); if (IS_ERR(clnt)) { dprintk("lockd: failed to create NSM upcall transport, " - "status=%ld, net=%p\n", PTR_ERR(clnt), host->net); + "status=%ld, net=%x\n", PTR_ERR(clnt), + host->net->ns.inum); return PTR_ERR(clnt); } diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index a8e3777c94dc..9c36d614bf89 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -57,6 +57,9 @@ static struct task_struct *nlmsvc_task; static struct svc_rqst *nlmsvc_rqst; unsigned long nlmsvc_timeout; +atomic_t nlm_ntf_refcnt = ATOMIC_INIT(0); +DECLARE_WAIT_QUEUE_HEAD(nlm_ntf_wq); + unsigned int lockd_net_id; /* @@ -259,7 +262,7 @@ static int lockd_up_net(struct svc_serv *serv, struct net *net) if (error < 0) goto err_bind; set_grace_period(net); - dprintk("lockd_up_net: per-net data created; net=%p\n", net); + dprintk("%s: per-net data created; net=%x\n", __func__, net->ns.inum); return 0; err_bind: @@ -274,12 +277,15 @@ static void lockd_down_net(struct svc_serv *serv, struct net *net) if (ln->nlmsvc_users) { if (--ln->nlmsvc_users == 0) { nlm_shutdown_hosts_net(net); + cancel_delayed_work_sync(&ln->grace_period_end); + locks_end_grace(&ln->lockd_manager); svc_shutdown_net(serv, net); - dprintk("lockd_down_net: per-net data destroyed; net=%p\n", net); + dprintk("%s: per-net data destroyed; net=%x\n", + __func__, net->ns.inum); } } else { - printk(KERN_ERR "lockd_down_net: no users! task=%p, net=%p\n", - nlmsvc_task, net); + pr_err("%s: no users! task=%p, net=%x\n", + __func__, nlmsvc_task, net->ns.inum); BUG(); } } @@ -290,7 +296,8 @@ static int lockd_inetaddr_event(struct notifier_block *this, struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; struct sockaddr_in sin; - if (event != NETDEV_DOWN) + if ((event != NETDEV_DOWN) || + !atomic_inc_not_zero(&nlm_ntf_refcnt)) goto out; if (nlmsvc_rqst) { @@ -301,6 +308,8 @@ static int lockd_inetaddr_event(struct notifier_block *this, svc_age_temp_xprts_now(nlmsvc_rqst->rq_server, (struct sockaddr *)&sin); } + atomic_dec(&nlm_ntf_refcnt); + wake_up(&nlm_ntf_wq); out: return NOTIFY_DONE; @@ -317,7 +326,8 @@ static int lockd_inet6addr_event(struct notifier_block *this, struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; struct sockaddr_in6 sin6; - if (event != NETDEV_DOWN) + if ((event != NETDEV_DOWN) || + !atomic_inc_not_zero(&nlm_ntf_refcnt)) goto out; if (nlmsvc_rqst) { @@ -329,6 +339,8 @@ static int lockd_inet6addr_event(struct notifier_block *this, svc_age_temp_xprts_now(nlmsvc_rqst->rq_server, (struct sockaddr *)&sin6); } + atomic_dec(&nlm_ntf_refcnt); + wake_up(&nlm_ntf_wq); out: return NOTIFY_DONE; @@ -345,10 +357,12 @@ static void lockd_unregister_notifiers(void) #if IS_ENABLED(CONFIG_IPV6) unregister_inet6addr_notifier(&lockd_inet6addr_notifier); #endif + wait_event(nlm_ntf_wq, atomic_read(&nlm_ntf_refcnt) == 0); } static void lockd_svc_exit_thread(void) { + atomic_dec(&nlm_ntf_refcnt); lockd_unregister_notifiers(); svc_exit_thread(nlmsvc_rqst); } @@ -373,6 +387,7 @@ static int lockd_start_svc(struct svc_serv *serv) goto out_rqst; } + atomic_inc(&nlm_ntf_refcnt); svc_sock_update_bufs(serv); serv->sv_maxconn = nlm_max_connections; @@ -676,6 +691,17 @@ static int lockd_init_net(struct net *net) static void lockd_exit_net(struct net *net) { + struct lockd_net *ln = net_generic(net, lockd_net_id); + + WARN_ONCE(!list_empty(&ln->lockd_manager.list), + "net %x %s: lockd_manager.list is not empty\n", + net->ns.inum, __func__); + WARN_ONCE(!list_empty(&ln->nsm_handles), + "net %x %s: nsm_handles list is not empty\n", + net->ns.inum, __func__); + WARN_ONCE(delayed_work_pending(&ln->grace_period_end), + "net %x %s: grace_period_end was not cancelled\n", + net->ns.inum, __func__); } static struct pernet_operations lockd_net_ops = { diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c index a563ddbc19e6..4ec3d6e03e76 100644 --- a/fs/lockd/svcsubs.c +++ b/fs/lockd/svcsubs.c @@ -370,7 +370,7 @@ nlmsvc_mark_resources(struct net *net) { struct nlm_host hint; - dprintk("lockd: nlmsvc_mark_resources for net %p\n", net); + dprintk("lockd: %s for net %x\n", __func__, net ? net->ns.inum : 0); hint.net = net; nlm_traverse_files(&hint, nlmsvc_mark_host, NULL); } diff --git a/fs/locks.c b/fs/locks.c index 1bd71c4d663a..21b4dfa289ee 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -141,7 +141,7 @@ static inline bool is_remote_lock(struct file *filp) { - return likely(!(filp->f_path.dentry->d_sb->s_flags & MS_NOREMOTELOCK)); + return likely(!(filp->f_path.dentry->d_sb->s_flags & SB_NOREMOTELOCK)); } static bool lease_breaking(struct file_lock *fl) diff --git a/fs/mbcache.c b/fs/mbcache.c index d818fd236787..b8b8b9ced9f8 100644 --- a/fs/mbcache.c +++ b/fs/mbcache.c @@ -269,6 +269,9 @@ static unsigned long mb_cache_count(struct shrinker *shrink, struct mb_cache *cache = container_of(shrink, struct mb_cache, c_shrink); + /* Unlikely, but not impossible */ + if (unlikely(cache->c_entry_count < 0)) + return 0; return cache->c_entry_count; } diff --git a/fs/minix/inode.c b/fs/minix/inode.c index b6829d679643..72e308c3e66b 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -125,9 +125,9 @@ static int minix_remount (struct super_block * sb, int * flags, char * data) sync_filesystem(sb); ms = sbi->s_ms; - if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) + if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) return 0; - if (*flags & MS_RDONLY) { + if (*flags & SB_RDONLY) { if (ms->s_state & MINIX_VALID_FS || !(sbi->s_mount_state & MINIX_VALID_FS)) return 0; diff --git a/fs/namei.c b/fs/namei.c index f0c7a7b9b6ca..1c0fb97c9425 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1129,18 +1129,9 @@ static int follow_automount(struct path *path, struct nameidata *nd, * of the daemon to instantiate them before they can be used. */ if (!(nd->flags & (LOOKUP_PARENT | LOOKUP_DIRECTORY | - LOOKUP_OPEN | LOOKUP_CREATE | - LOOKUP_AUTOMOUNT))) { - /* Positive dentry that isn't meant to trigger an - * automount, EISDIR will allow it to be used, - * otherwise there's no mount here "now" so return - * ENOENT. - */ - if (path->dentry->d_inode) - return -EISDIR; - else - return -ENOENT; - } + LOOKUP_OPEN | LOOKUP_CREATE | LOOKUP_AUTOMOUNT)) && + path->dentry->d_inode) + return -EISDIR; if (path->dentry->d_sb->s_user_ns != &init_user_ns) return -EACCES; @@ -2907,6 +2898,27 @@ int vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, } EXPORT_SYMBOL(vfs_create); +int vfs_mkobj(struct dentry *dentry, umode_t mode, + int (*f)(struct dentry *, umode_t, void *), + void *arg) +{ + struct inode *dir = dentry->d_parent->d_inode; + int error = may_create(dir, dentry); + if (error) + return error; + + mode &= S_IALLUGO; + mode |= S_IFREG; + error = security_inode_create(dir, dentry, mode); + if (error) + return error; + error = f(dentry, mode, arg); + if (!error) + fsnotify_create(dir, dentry); + return error; +} +EXPORT_SYMBOL(vfs_mkobj); + bool may_open_dev(const struct path *path) { return !(path->mnt->mnt_flags & MNT_NODEV) && diff --git a/fs/namespace.c b/fs/namespace.c index e158ec6b527b..9d1374ab6e06 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2826,6 +2826,7 @@ long do_mount(const char *dev_name, const char __user *dir_name, SB_DIRSYNC | SB_SILENT | SB_POSIXACL | + SB_LAZYTIME | SB_I_VERSION); if (flags & MS_REMOUNT) diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index 129f1937fa2c..41de88cdc053 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -103,7 +103,7 @@ static void destroy_inodecache(void) static int ncp_remount(struct super_block *sb, int *flags, char* data) { sync_filesystem(sb); - *flags |= MS_NODIRATIME; + *flags |= SB_NODIRATIME; return 0; } @@ -547,7 +547,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) else default_bufsize = 1024; - sb->s_flags |= MS_NODIRATIME; /* probably even noatime */ + sb->s_flags |= SB_NODIRATIME; /* probably even noatime */ sb->s_maxbytes = 0xFFFFFFFFU; sb->s_blocksize = 1024; /* Eh... Is this correct? */ sb->s_blocksize_bits = 10; diff --git a/fs/ncpfs/sock.c b/fs/ncpfs/sock.c index efb176b1751a..4c13174d85b7 100644 --- a/fs/ncpfs/sock.c +++ b/fs/ncpfs/sock.c @@ -39,7 +39,8 @@ static int _recv(struct socket *sock, void *buf, int size, unsigned flags) { struct msghdr msg = {NULL, }; struct kvec iov = {buf, size}; - return kernel_recvmsg(sock, &msg, &iov, 1, size, flags); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, size); + return sock_recvmsg(sock, &msg, flags); } static int _send(struct socket *sock, const void *buff, int len) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index e51ae52ed14f..2f3f86726f5b 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1256,7 +1256,7 @@ static int nfs_dentry_delete(const struct dentry *dentry) /* Unhash it, so that ->d_iput() would be called */ return 1; } - if (!(dentry->d_sb->s_flags & MS_ACTIVE)) { + if (!(dentry->d_sb->s_flags & SB_ACTIVE)) { /* Unhash it, so that ancestors of killed async unlink * files will be cleaned up during umount */ return 1; diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 38b93d54c02e..b992d2382ffa 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -752,7 +752,7 @@ int nfs_getattr(const struct path *path, struct kstat *stat, * Note that we only have to check the vfsmount flags here: * - NFS always sets S_NOATIME by so checking it would give a * bogus result - * - NFS never sets MS_NOATIME or MS_NODIRATIME so there is + * - NFS never sets SB_NOATIME or SB_NODIRATIME so there is * no point in checking those. */ if ((path->mnt->mnt_flags & MNT_NOATIME) || diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 5ab17fd4700a..8357ff69962f 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -10,7 +10,7 @@ #include <linux/nfs_page.h> #include <linux/wait_bit.h> -#define NFS_MS_MASK (MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS) +#define NFS_MS_MASK (SB_RDONLY|SB_NOSUID|SB_NODEV|SB_NOEXEC|SB_SYNCHRONOUS) extern const struct export_operations nfs_export_ops; diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 626d1382002e..6b3b372b59b9 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -8,7 +8,6 @@ #include <linux/file.h> #include <linux/falloc.h> #include <linux/nfs_fs.h> -#include <uapi/linux/btrfs.h> /* BTRFS_IOC_CLONE/BTRFS_IOC_CLONE_RANGE */ #include "delegation.h" #include "internal.h" #include "iostat.h" diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 54fd56d715a8..e4f4a09ed9f4 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -71,8 +71,8 @@ const nfs4_stateid zero_stateid = { }; const nfs4_stateid invalid_stateid = { { - .seqid = cpu_to_be32(0xffffffffU), - .other = { 0 }, + /* Funky initialiser keeps older gcc versions happy */ + .data = { 0xff, 0xff, 0xff, 0xff, 0 }, }, .type = NFS4_INVALID_STATEID_TYPE, }; diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 43cadb28db6e..29bacdc56f6a 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -813,9 +813,9 @@ int nfs_show_stats(struct seq_file *m, struct dentry *root) */ seq_printf(m, "\n\topts:\t"); seq_puts(m, sb_rdonly(root->d_sb) ? "ro" : "rw"); - seq_puts(m, root->d_sb->s_flags & MS_SYNCHRONOUS ? ",sync" : ""); - seq_puts(m, root->d_sb->s_flags & MS_NOATIME ? ",noatime" : ""); - seq_puts(m, root->d_sb->s_flags & MS_NODIRATIME ? ",nodiratime" : ""); + seq_puts(m, root->d_sb->s_flags & SB_SYNCHRONOUS ? ",sync" : ""); + seq_puts(m, root->d_sb->s_flags & SB_NOATIME ? ",noatime" : ""); + seq_puts(m, root->d_sb->s_flags & SB_NODIRATIME ? ",nodiratime" : ""); nfs_show_mount_options(m, nfss, 1); seq_printf(m, "\n\tage:\t%lu", (jiffies - nfss->mount_time) / HZ); @@ -2296,11 +2296,11 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data) /* * noac is a special case. It implies -o sync, but that's not * necessarily reflected in the mtab options. do_remount_sb - * will clear MS_SYNCHRONOUS if -o sync wasn't specified in the + * will clear SB_SYNCHRONOUS if -o sync wasn't specified in the * remount options, so we have to explicitly reset it. */ if (data->flags & NFS_MOUNT_NOAC) - *flags |= MS_SYNCHRONOUS; + *flags |= SB_SYNCHRONOUS; /* compare new mount options with old ones */ error = nfs_compare_remount_data(nfss, data); @@ -2349,7 +2349,7 @@ void nfs_fill_super(struct super_block *sb, struct nfs_mount_info *mount_info) /* The VFS shouldn't apply the umask to mode bits. We will do * so ourselves when necessary. */ - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; sb->s_time_gran = 1; sb->s_export_op = &nfs_export_ops; } @@ -2379,7 +2379,7 @@ static void nfs_clone_super(struct super_block *sb, /* The VFS shouldn't apply the umask to mode bits. We will do * so ourselves when necessary. */ - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; } nfs_initialise_sb(sb); @@ -2600,11 +2600,11 @@ struct dentry *nfs_fs_mount_common(struct nfs_server *server, /* -o noac implies -o sync */ if (server->flags & NFS_MOUNT_NOAC) - sb_mntdata.mntflags |= MS_SYNCHRONOUS; + sb_mntdata.mntflags |= SB_SYNCHRONOUS; if (mount_info->cloned != NULL && mount_info->cloned->sb != NULL) - if (mount_info->cloned->sb->s_flags & MS_SYNCHRONOUS) - sb_mntdata.mntflags |= MS_SYNCHRONOUS; + if (mount_info->cloned->sb->s_flags & SB_SYNCHRONOUS) + sb_mntdata.mntflags |= SB_SYNCHRONOUS; /* Get a superblock - note that we may end up sharing one that already exists */ s = sget(nfs_mod->nfs_fs, compare_super, nfs_set_super, flags, &sb_mntdata); @@ -2641,7 +2641,7 @@ struct dentry *nfs_fs_mount_common(struct nfs_server *server, if (error) goto error_splat_root; - s->s_flags |= MS_ACTIVE; + s->s_flags |= SB_ACTIVE; out: return mntroot; diff --git a/fs/nfs_common/grace.c b/fs/nfs_common/grace.c index 897b299db55e..5be08f02a76b 100644 --- a/fs/nfs_common/grace.c +++ b/fs/nfs_common/grace.c @@ -30,7 +30,11 @@ locks_start_grace(struct net *net, struct lock_manager *lm) struct list_head *grace_list = net_generic(net, grace_net_id); spin_lock(&grace_lock); - list_add(&lm->list, grace_list); + if (list_empty(&lm->list)) + list_add(&lm->list, grace_list); + else + WARN(1, "double list_add attempt detected in net %x %s\n", + net->ns.inum, (net == &init_net) ? "(init_net)" : ""); spin_unlock(&grace_lock); } EXPORT_SYMBOL_GPL(locks_start_grace); @@ -104,7 +108,9 @@ grace_exit_net(struct net *net) { struct list_head *grace_list = net_generic(net, grace_net_id); - BUG_ON(!list_empty(grace_list)); + WARN_ONCE(!list_empty(grace_list), + "net %x %s: grace_list is not empty\n", + net->ns.inum, __func__); } static struct pernet_operations grace_net_ops = { diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 46b48dbbdd32..8ceb25a10ea0 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -232,7 +232,7 @@ static struct cache_head *expkey_alloc(void) return NULL; } -static struct cache_detail svc_expkey_cache_template = { +static const struct cache_detail svc_expkey_cache_template = { .owner = THIS_MODULE, .hash_size = EXPKEY_HASHMAX, .name = "nfsd.fh", @@ -748,7 +748,7 @@ static struct cache_head *svc_export_alloc(void) return NULL; } -static struct cache_detail svc_export_cache_template = { +static const struct cache_detail svc_export_cache_template = { .owner = THIS_MODULE, .hash_size = EXPORT_HASHMAX, .name = "nfsd.export", @@ -1230,7 +1230,7 @@ nfsd_export_init(struct net *net) int rv; struct nfsd_net *nn = net_generic(net, nfsd_net_id); - dprintk("nfsd: initializing export module (net: %p).\n", net); + dprintk("nfsd: initializing export module (net: %x).\n", net->ns.inum); nn->svc_export_cache = cache_create_net(&svc_export_cache_template, net); if (IS_ERR(nn->svc_export_cache)) @@ -1278,7 +1278,7 @@ nfsd_export_shutdown(struct net *net) { struct nfsd_net *nn = net_generic(net, nfsd_net_id); - dprintk("nfsd: shutting down export module (net: %p).\n", net); + dprintk("nfsd: shutting down export module (net: %x).\n", net->ns.inum); cache_unregister_net(nn->svc_expkey_cache, net); cache_unregister_net(nn->svc_export_cache, net); @@ -1286,5 +1286,5 @@ nfsd_export_shutdown(struct net *net) cache_destroy_net(nn->svc_export_cache, net); svcauth_unix_purge(net); - dprintk("nfsd: export shutdown complete (net: %p).\n", net); + dprintk("nfsd: export shutdown complete (net: %x).\n", net->ns.inum); } diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h index 1c91391f4805..36358d435cb0 100644 --- a/fs/nfsd/netns.h +++ b/fs/nfsd/netns.h @@ -119,6 +119,9 @@ struct nfsd_net { u32 clverifier_counter; struct svc_serv *nfsd_serv; + + wait_queue_head_t ntf_wq; + atomic_t ntf_refcnt; }; /* Simple check to find out if a given net was properly initialized */ diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index 6b9b6cca469f..a5bb76593ce7 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -178,7 +178,7 @@ static struct ent *idtoname_lookup(struct cache_detail *, struct ent *); static struct ent *idtoname_update(struct cache_detail *, struct ent *, struct ent *); -static struct cache_detail idtoname_cache_template = { +static const struct cache_detail idtoname_cache_template = { .owner = THIS_MODULE, .hash_size = ENT_HASHMAX, .name = "nfs4.idtoname", @@ -341,7 +341,7 @@ static struct ent *nametoid_update(struct cache_detail *, struct ent *, struct ent *); static int nametoid_parse(struct cache_detail *, char *, int); -static struct cache_detail nametoid_cache_template = { +static const struct cache_detail nametoid_cache_template = { .owner = THIS_MODULE, .hash_size = ENT_HASHMAX, .name = "nfs4.nametoid", diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index b82817767b9d..b29b5a185a2c 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -63,12 +63,16 @@ static const stateid_t zero_stateid = { static const stateid_t currentstateid = { .si_generation = 1, }; +static const stateid_t close_stateid = { + .si_generation = 0xffffffffU, +}; static u64 current_sessionid = 1; #define ZERO_STATEID(stateid) (!memcmp((stateid), &zero_stateid, sizeof(stateid_t))) #define ONE_STATEID(stateid) (!memcmp((stateid), &one_stateid, sizeof(stateid_t))) #define CURRENT_STATEID(stateid) (!memcmp((stateid), ¤tstateid, sizeof(stateid_t))) +#define CLOSE_STATEID(stateid) (!memcmp((stateid), &close_stateid, sizeof(stateid_t))) /* forward declarations */ static bool check_for_locks(struct nfs4_file *fp, struct nfs4_lockowner *lowner); @@ -83,6 +87,11 @@ static void nfs4_free_ol_stateid(struct nfs4_stid *stid); */ static DEFINE_SPINLOCK(state_lock); +enum nfsd4_st_mutex_lock_subclass { + OPEN_STATEID_MUTEX = 0, + LOCK_STATEID_MUTEX = 1, +}; + /* * A waitqueue for all in-progress 4.0 CLOSE operations that are waiting for * the refcount on the open stateid to drop. @@ -3562,7 +3571,9 @@ nfsd4_find_existing_open(struct nfs4_file *fp, struct nfsd4_open *open) /* ignore lock owners */ if (local->st_stateowner->so_is_open_owner == 0) continue; - if (local->st_stateowner == &oo->oo_owner) { + if (local->st_stateowner != &oo->oo_owner) + continue; + if (local->st_stid.sc_type == NFS4_OPEN_STID) { ret = local; refcount_inc(&ret->st_stid.sc_count); break; @@ -3571,6 +3582,52 @@ nfsd4_find_existing_open(struct nfs4_file *fp, struct nfsd4_open *open) return ret; } +static __be32 +nfsd4_verify_open_stid(struct nfs4_stid *s) +{ + __be32 ret = nfs_ok; + + switch (s->sc_type) { + default: + break; + case NFS4_CLOSED_STID: + case NFS4_CLOSED_DELEG_STID: + ret = nfserr_bad_stateid; + break; + case NFS4_REVOKED_DELEG_STID: + ret = nfserr_deleg_revoked; + } + return ret; +} + +/* Lock the stateid st_mutex, and deal with races with CLOSE */ +static __be32 +nfsd4_lock_ol_stateid(struct nfs4_ol_stateid *stp) +{ + __be32 ret; + + mutex_lock_nested(&stp->st_mutex, LOCK_STATEID_MUTEX); + ret = nfsd4_verify_open_stid(&stp->st_stid); + if (ret != nfs_ok) + mutex_unlock(&stp->st_mutex); + return ret; +} + +static struct nfs4_ol_stateid * +nfsd4_find_and_lock_existing_open(struct nfs4_file *fp, struct nfsd4_open *open) +{ + struct nfs4_ol_stateid *stp; + for (;;) { + spin_lock(&fp->fi_lock); + stp = nfsd4_find_existing_open(fp, open); + spin_unlock(&fp->fi_lock); + if (!stp || nfsd4_lock_ol_stateid(stp) == nfs_ok) + break; + nfs4_put_stid(&stp->st_stid); + } + return stp; +} + static struct nfs4_openowner * alloc_init_open_stateowner(unsigned int strhashval, struct nfsd4_open *open, struct nfsd4_compound_state *cstate) @@ -3613,8 +3670,9 @@ init_open_stateid(struct nfs4_file *fp, struct nfsd4_open *open) stp = open->op_stp; /* We are moving these outside of the spinlocks to avoid the warnings */ mutex_init(&stp->st_mutex); - mutex_lock(&stp->st_mutex); + mutex_lock_nested(&stp->st_mutex, OPEN_STATEID_MUTEX); +retry: spin_lock(&oo->oo_owner.so_client->cl_lock); spin_lock(&fp->fi_lock); @@ -3639,7 +3697,11 @@ out_unlock: spin_unlock(&fp->fi_lock); spin_unlock(&oo->oo_owner.so_client->cl_lock); if (retstp) { - mutex_lock(&retstp->st_mutex); + /* Handle races with CLOSE */ + if (nfsd4_lock_ol_stateid(retstp) != nfs_ok) { + nfs4_put_stid(&retstp->st_stid); + goto retry; + } /* To keep mutex tracking happy */ mutex_unlock(&stp->st_mutex); stp = retstp; @@ -4449,6 +4511,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf struct nfs4_ol_stateid *stp = NULL; struct nfs4_delegation *dp = NULL; __be32 status; + bool new_stp = false; /* * Lookup file; if found, lookup stateid and check open request, @@ -4460,9 +4523,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf status = nfs4_check_deleg(cl, open, &dp); if (status) goto out; - spin_lock(&fp->fi_lock); - stp = nfsd4_find_existing_open(fp, open); - spin_unlock(&fp->fi_lock); + stp = nfsd4_find_and_lock_existing_open(fp, open); } else { open->op_file = NULL; status = nfserr_bad_stateid; @@ -4470,35 +4531,31 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf goto out; } + if (!stp) { + stp = init_open_stateid(fp, open); + if (!open->op_stp) + new_stp = true; + } + /* * OPEN the file, or upgrade an existing OPEN. * If truncate fails, the OPEN fails. + * + * stp is already locked. */ - if (stp) { + if (!new_stp) { /* Stateid was found, this is an OPEN upgrade */ - mutex_lock(&stp->st_mutex); status = nfs4_upgrade_open(rqstp, fp, current_fh, stp, open); if (status) { mutex_unlock(&stp->st_mutex); goto out; } } else { - /* stp is returned locked. */ - stp = init_open_stateid(fp, open); - /* See if we lost the race to some other thread */ - if (stp->st_access_bmap != 0) { - status = nfs4_upgrade_open(rqstp, fp, current_fh, - stp, open); - if (status) { - mutex_unlock(&stp->st_mutex); - goto out; - } - goto upgrade_out; - } status = nfs4_get_vfs_file(rqstp, fp, current_fh, stp, open); if (status) { - mutex_unlock(&stp->st_mutex); + stp->st_stid.sc_type = NFS4_CLOSED_STID; release_open_stateid(stp); + mutex_unlock(&stp->st_mutex); goto out; } @@ -4507,7 +4564,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf if (stp->st_clnt_odstate == open->op_odstate) open->op_odstate = NULL; } -upgrade_out: + nfs4_inc_and_copy_stateid(&open->op_stateid, &stp->st_stid); mutex_unlock(&stp->st_mutex); @@ -4734,7 +4791,7 @@ nfs4_laundromat(struct nfsd_net *nn) spin_unlock(&nn->blocked_locks_lock); while (!list_empty(&reaplist)) { - nbl = list_first_entry(&nn->blocked_locks_lru, + nbl = list_first_entry(&reaplist, struct nfsd4_blocked_lock, nbl_lru); list_del_init(&nbl->nbl_lru); posix_unblock_lock(&nbl->nbl_lock); @@ -4855,6 +4912,18 @@ static __be32 check_stateid_generation(stateid_t *in, stateid_t *ref, bool has_s return nfserr_old_stateid; } +static __be32 nfsd4_stid_check_stateid_generation(stateid_t *in, struct nfs4_stid *s, bool has_session) +{ + __be32 ret; + + spin_lock(&s->sc_lock); + ret = nfsd4_verify_open_stid(s); + if (ret == nfs_ok) + ret = check_stateid_generation(in, &s->sc_stateid, has_session); + spin_unlock(&s->sc_lock); + return ret; +} + static __be32 nfsd4_check_openowner_confirmed(struct nfs4_ol_stateid *ols) { if (ols->st_stateowner->so_is_open_owner && @@ -4868,7 +4937,8 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid) struct nfs4_stid *s; __be32 status = nfserr_bad_stateid; - if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) + if (ZERO_STATEID(stateid) || ONE_STATEID(stateid) || + CLOSE_STATEID(stateid)) return status; /* Client debugging aid. */ if (!same_clid(&stateid->si_opaque.so_clid, &cl->cl_clientid)) { @@ -4883,7 +4953,7 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid) s = find_stateid_locked(cl, stateid); if (!s) goto out_unlock; - status = check_stateid_generation(stateid, &s->sc_stateid, 1); + status = nfsd4_stid_check_stateid_generation(stateid, s, 1); if (status) goto out_unlock; switch (s->sc_type) { @@ -4926,7 +4996,8 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate, else if (typemask & NFS4_DELEG_STID) typemask |= NFS4_REVOKED_DELEG_STID; - if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) + if (ZERO_STATEID(stateid) || ONE_STATEID(stateid) || + CLOSE_STATEID(stateid)) return nfserr_bad_stateid; status = lookup_clientid(&stateid->si_opaque.so_clid, cstate, nn); if (status == nfserr_stale_clientid) { @@ -5044,7 +5115,7 @@ nfs4_preprocess_stateid_op(struct svc_rqst *rqstp, &s, nn); if (status) return status; - status = check_stateid_generation(stateid, &s->sc_stateid, + status = nfsd4_stid_check_stateid_generation(stateid, s, nfsd4_has_session(cstate)); if (status) goto out; @@ -5098,7 +5169,9 @@ nfsd4_free_lock_stateid(stateid_t *stateid, struct nfs4_stid *s) struct nfs4_ol_stateid *stp = openlockstateid(s); __be32 ret; - mutex_lock(&stp->st_mutex); + ret = nfsd4_lock_ol_stateid(stp); + if (ret) + goto out_put_stid; ret = check_stateid_generation(stateid, &s->sc_stateid, 1); if (ret) @@ -5109,11 +5182,13 @@ nfsd4_free_lock_stateid(stateid_t *stateid, struct nfs4_stid *s) lockowner(stp->st_stateowner))) goto out; + stp->st_stid.sc_type = NFS4_CLOSED_STID; release_lock_stateid(stp); ret = nfs_ok; out: mutex_unlock(&stp->st_mutex); +out_put_stid: nfs4_put_stid(s); return ret; } @@ -5133,6 +5208,7 @@ nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, s = find_stateid_locked(cl, stateid); if (!s) goto out_unlock; + spin_lock(&s->sc_lock); switch (s->sc_type) { case NFS4_DELEG_STID: ret = nfserr_locks_held; @@ -5144,11 +5220,13 @@ nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, ret = nfserr_locks_held; break; case NFS4_LOCK_STID: + spin_unlock(&s->sc_lock); refcount_inc(&s->sc_count); spin_unlock(&cl->cl_lock); ret = nfsd4_free_lock_stateid(stateid, s); goto out; case NFS4_REVOKED_DELEG_STID: + spin_unlock(&s->sc_lock); dp = delegstateid(s); list_del_init(&dp->dl_recall_lru); spin_unlock(&cl->cl_lock); @@ -5157,6 +5235,7 @@ nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, goto out; /* Default falls through and returns nfserr_bad_stateid */ } + spin_unlock(&s->sc_lock); out_unlock: spin_unlock(&cl->cl_lock); out: @@ -5179,15 +5258,9 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_ status = nfsd4_check_seqid(cstate, sop, seqid); if (status) return status; - if (stp->st_stid.sc_type == NFS4_CLOSED_STID - || stp->st_stid.sc_type == NFS4_REVOKED_DELEG_STID) - /* - * "Closed" stateid's exist *only* to return - * nfserr_replay_me from the previous step, and - * revoked delegations are kept only for free_stateid. - */ - return nfserr_bad_stateid; - mutex_lock(&stp->st_mutex); + status = nfsd4_lock_ol_stateid(stp); + if (status != nfs_ok) + return status; status = check_stateid_generation(stateid, &stp->st_stid.sc_stateid, nfsd4_has_session(cstate)); if (status == nfs_ok) status = nfs4_check_fh(current_fh, &stp->st_stid); @@ -5367,7 +5440,6 @@ static void nfsd4_close_open_stateid(struct nfs4_ol_stateid *s) bool unhashed; LIST_HEAD(reaplist); - s->st_stid.sc_type = NFS4_CLOSED_STID; spin_lock(&clp->cl_lock); unhashed = unhash_open_stateid(s, &reaplist); @@ -5407,10 +5479,17 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, nfsd4_bump_seqid(cstate, status); if (status) goto out; + + stp->st_stid.sc_type = NFS4_CLOSED_STID; nfs4_inc_and_copy_stateid(&close->cl_stateid, &stp->st_stid); - mutex_unlock(&stp->st_mutex); nfsd4_close_open_stateid(stp); + mutex_unlock(&stp->st_mutex); + + /* See RFC5661 sectionm 18.2.4 */ + if (stp->st_stid.sc_client->cl_minorversion) + memcpy(&close->cl_stateid, &close_stateid, + sizeof(close->cl_stateid)); /* put reference from nfs4_preprocess_seqid_op */ nfs4_put_stid(&stp->st_stid); @@ -5436,7 +5515,7 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, if (status) goto out; dp = delegstateid(s); - status = check_stateid_generation(stateid, &dp->dl_stid.sc_stateid, nfsd4_has_session(cstate)); + status = nfsd4_stid_check_stateid_generation(stateid, &dp->dl_stid, nfsd4_has_session(cstate)); if (status) goto put_stateid; @@ -5642,14 +5721,41 @@ alloc_init_lock_stateowner(unsigned int strhashval, struct nfs4_client *clp, return ret; } -static void +static struct nfs4_ol_stateid * +find_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fp) +{ + struct nfs4_ol_stateid *lst; + struct nfs4_client *clp = lo->lo_owner.so_client; + + lockdep_assert_held(&clp->cl_lock); + + list_for_each_entry(lst, &lo->lo_owner.so_stateids, st_perstateowner) { + if (lst->st_stid.sc_type != NFS4_LOCK_STID) + continue; + if (lst->st_stid.sc_file == fp) { + refcount_inc(&lst->st_stid.sc_count); + return lst; + } + } + return NULL; +} + +static struct nfs4_ol_stateid * init_lock_stateid(struct nfs4_ol_stateid *stp, struct nfs4_lockowner *lo, struct nfs4_file *fp, struct inode *inode, struct nfs4_ol_stateid *open_stp) { struct nfs4_client *clp = lo->lo_owner.so_client; + struct nfs4_ol_stateid *retstp; - lockdep_assert_held(&clp->cl_lock); + mutex_init(&stp->st_mutex); + mutex_lock_nested(&stp->st_mutex, OPEN_STATEID_MUTEX); +retry: + spin_lock(&clp->cl_lock); + spin_lock(&fp->fi_lock); + retstp = find_lock_stateid(lo, fp); + if (retstp) + goto out_unlock; refcount_inc(&stp->st_stid.sc_count); stp->st_stid.sc_type = NFS4_LOCK_STID; @@ -5659,29 +5765,22 @@ init_lock_stateid(struct nfs4_ol_stateid *stp, struct nfs4_lockowner *lo, stp->st_access_bmap = 0; stp->st_deny_bmap = open_stp->st_deny_bmap; stp->st_openstp = open_stp; - mutex_init(&stp->st_mutex); list_add(&stp->st_locks, &open_stp->st_locks); list_add(&stp->st_perstateowner, &lo->lo_owner.so_stateids); - spin_lock(&fp->fi_lock); list_add(&stp->st_perfile, &fp->fi_stateids); +out_unlock: spin_unlock(&fp->fi_lock); -} - -static struct nfs4_ol_stateid * -find_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fp) -{ - struct nfs4_ol_stateid *lst; - struct nfs4_client *clp = lo->lo_owner.so_client; - - lockdep_assert_held(&clp->cl_lock); - - list_for_each_entry(lst, &lo->lo_owner.so_stateids, st_perstateowner) { - if (lst->st_stid.sc_file == fp) { - refcount_inc(&lst->st_stid.sc_count); - return lst; + spin_unlock(&clp->cl_lock); + if (retstp) { + if (nfsd4_lock_ol_stateid(retstp) != nfs_ok) { + nfs4_put_stid(&retstp->st_stid); + goto retry; } + /* To keep mutex tracking happy */ + mutex_unlock(&stp->st_mutex); + stp = retstp; } - return NULL; + return stp; } static struct nfs4_ol_stateid * @@ -5694,26 +5793,25 @@ find_or_create_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fi, struct nfs4_openowner *oo = openowner(ost->st_stateowner); struct nfs4_client *clp = oo->oo_owner.so_client; + *new = false; spin_lock(&clp->cl_lock); lst = find_lock_stateid(lo, fi); - if (lst == NULL) { - spin_unlock(&clp->cl_lock); - ns = nfs4_alloc_stid(clp, stateid_slab, nfs4_free_lock_stateid); - if (ns == NULL) - return NULL; - - spin_lock(&clp->cl_lock); - lst = find_lock_stateid(lo, fi); - if (likely(!lst)) { - lst = openlockstateid(ns); - init_lock_stateid(lst, lo, fi, inode, ost); - ns = NULL; - *new = true; - } - } spin_unlock(&clp->cl_lock); - if (ns) + if (lst != NULL) { + if (nfsd4_lock_ol_stateid(lst) == nfs_ok) + goto out; + nfs4_put_stid(&lst->st_stid); + } + ns = nfs4_alloc_stid(clp, stateid_slab, nfs4_free_lock_stateid); + if (ns == NULL) + return NULL; + + lst = init_lock_stateid(openlockstateid(ns), lo, fi, inode, ost); + if (lst == openlockstateid(ns)) + *new = true; + else nfs4_put_stid(ns); +out: return lst; } @@ -5750,7 +5848,6 @@ lookup_or_create_lock_state(struct nfsd4_compound_state *cstate, struct nfs4_lockowner *lo; struct nfs4_ol_stateid *lst; unsigned int strhashval; - bool hashed; lo = find_lockowner_str(cl, &lock->lk_new_owner); if (!lo) { @@ -5766,25 +5863,12 @@ lookup_or_create_lock_state(struct nfsd4_compound_state *cstate, goto out; } -retry: lst = find_or_create_lock_stateid(lo, fi, inode, ost, new); if (lst == NULL) { status = nfserr_jukebox; goto out; } - mutex_lock(&lst->st_mutex); - - /* See if it's still hashed to avoid race with FREE_STATEID */ - spin_lock(&cl->cl_lock); - hashed = !list_empty(&lst->st_perfile); - spin_unlock(&cl->cl_lock); - - if (!hashed) { - mutex_unlock(&lst->st_mutex); - nfs4_put_stid(&lst->st_stid); - goto retry; - } status = nfs_ok; *plst = lst; out: @@ -5990,14 +6074,16 @@ out: seqid_mutating_err(ntohl(status))) lock_sop->lo_owner.so_seqid++; - mutex_unlock(&lock_stp->st_mutex); - /* * If this is a new, never-before-used stateid, and we are * returning an error, then just go ahead and release it. */ - if (status && new) + if (status && new) { + lock_stp->st_stid.sc_type = NFS4_CLOSED_STID; release_lock_stateid(lock_stp); + } + + mutex_unlock(&lock_stp->st_mutex); nfs4_put_stid(&lock_stp->st_stid); } @@ -7017,6 +7103,10 @@ static int nfs4_state_create_net(struct net *net) INIT_LIST_HEAD(&nn->sessionid_hashtbl[i]); nn->conf_name_tree = RB_ROOT; nn->unconf_name_tree = RB_ROOT; + nn->boot_time = get_seconds(); + nn->grace_ended = false; + nn->nfsd4_manager.block_opens = true; + INIT_LIST_HEAD(&nn->nfsd4_manager.list); INIT_LIST_HEAD(&nn->client_lru); INIT_LIST_HEAD(&nn->close_lru); INIT_LIST_HEAD(&nn->del_recall_lru); @@ -7074,9 +7164,6 @@ nfs4_state_start_net(struct net *net) ret = nfs4_state_create_net(net); if (ret) return ret; - nn->boot_time = get_seconds(); - nn->grace_ended = false; - nn->nfsd4_manager.block_opens = true; locks_start_grace(net, &nn->nfsd4_manager); nfsd4_client_tracking_init(net); printk(KERN_INFO "NFSD: starting %ld-second grace period (net %x)\n", @@ -7153,7 +7240,7 @@ nfs4_state_shutdown_net(struct net *net) spin_unlock(&nn->blocked_locks_lock); while (!list_empty(&reaplist)) { - nbl = list_first_entry(&nn->blocked_locks_lru, + nbl = list_first_entry(&reaplist, struct nfsd4_blocked_lock, nbl_lru); list_del_init(&nbl->nbl_lru); posix_unblock_lock(&nbl->nbl_lock); diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 6493df6b1bd5..d107b4426f7e 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1241,6 +1241,9 @@ static __net_init int nfsd_init_net(struct net *net) nn->nfsd4_grace = 90; nn->clverifier_counter = prandom_u32(); nn->clientid_counter = prandom_u32(); + + atomic_set(&nn->ntf_refcnt, 0); + init_waitqueue_head(&nn->ntf_wq); return 0; out_idmap_error: diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 33117d4ffce0..89cb484f1cfb 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -335,7 +335,8 @@ static int nfsd_inetaddr_event(struct notifier_block *this, unsigned long event, struct nfsd_net *nn = net_generic(net, nfsd_net_id); struct sockaddr_in sin; - if (event != NETDEV_DOWN) + if ((event != NETDEV_DOWN) || + !atomic_inc_not_zero(&nn->ntf_refcnt)) goto out; if (nn->nfsd_serv) { @@ -344,6 +345,8 @@ static int nfsd_inetaddr_event(struct notifier_block *this, unsigned long event, sin.sin_addr.s_addr = ifa->ifa_local; svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin); } + atomic_dec(&nn->ntf_refcnt); + wake_up(&nn->ntf_wq); out: return NOTIFY_DONE; @@ -363,7 +366,8 @@ static int nfsd_inet6addr_event(struct notifier_block *this, struct nfsd_net *nn = net_generic(net, nfsd_net_id); struct sockaddr_in6 sin6; - if (event != NETDEV_DOWN) + if ((event != NETDEV_DOWN) || + !atomic_inc_not_zero(&nn->ntf_refcnt)) goto out; if (nn->nfsd_serv) { @@ -374,7 +378,8 @@ static int nfsd_inet6addr_event(struct notifier_block *this, sin6.sin6_scope_id = ifa->idev->dev->ifindex; svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin6); } - + atomic_dec(&nn->ntf_refcnt); + wake_up(&nn->ntf_wq); out: return NOTIFY_DONE; } @@ -391,6 +396,7 @@ static void nfsd_last_thread(struct svc_serv *serv, struct net *net) { struct nfsd_net *nn = net_generic(net, nfsd_net_id); + atomic_dec(&nn->ntf_refcnt); /* check if the notifier still has clients */ if (atomic_dec_return(&nfsd_notifier_refcount) == 0) { unregister_inetaddr_notifier(&nfsd_inetaddr_notifier); @@ -398,6 +404,7 @@ static void nfsd_last_thread(struct svc_serv *serv, struct net *net) unregister_inet6addr_notifier(&nfsd_inet6addr_notifier); #endif } + wait_event(nn->ntf_wq, atomic_read(&nn->ntf_refcnt) == 0); /* * write_ports can create the server without actually starting @@ -517,6 +524,7 @@ int nfsd_create_serv(struct net *net) register_inet6addr_notifier(&nfsd_inet6addr_notifier); #endif } + atomic_inc(&nn->ntf_refcnt); ktime_get_real_ts64(&nn->nfssvc_boot); /* record boot time */ return 0; } diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index f572538dcc4f..9f3ffba41533 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1979,7 +1979,7 @@ static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci, struct the_nilfs *nilfs) { struct nilfs_inode_info *ii, *n; - int during_mount = !(sci->sc_super->s_flags & MS_ACTIVE); + int during_mount = !(sci->sc_super->s_flags & SB_ACTIVE); int defer_iput = false; spin_lock(&nilfs->ns_inode_lock); diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 3ce20cd44a20..3073b646e1ba 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -141,7 +141,7 @@ void __nilfs_error(struct super_block *sb, const char *function, if (nilfs_test_opt(nilfs, ERRORS_RO)) { printk(KERN_CRIT "Remounting filesystem read-only\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } } @@ -869,7 +869,7 @@ int nilfs_store_magic_and_option(struct super_block *sb, /* FS independent flags */ #ifdef NILFS_ATIME_DISABLE - sb->s_flags |= MS_NOATIME; + sb->s_flags |= SB_NOATIME; #endif nilfs_set_default_options(sb, sbp); @@ -1133,7 +1133,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) err = -EINVAL; goto restore_opts; } - sb->s_flags = (sb->s_flags & ~MS_POSIXACL); + sb->s_flags = (sb->s_flags & ~SB_POSIXACL); err = -EINVAL; @@ -1143,12 +1143,12 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) goto restore_opts; } - if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) + if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) goto out; - if (*flags & MS_RDONLY) { + if (*flags & SB_RDONLY) { /* Shutting down log writer */ nilfs_detach_log_writer(sb); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; /* * Remounting a valid RW partition RDONLY, so set @@ -1178,7 +1178,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data) goto restore_opts; } - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; root = NILFS_I(d_inode(sb->s_root))->i_root; err = nilfs_attach_log_writer(sb, root); @@ -1212,7 +1212,7 @@ static int nilfs_parse_snapshot_option(const char *option, const char *msg = NULL; int err; - if (!(sd->flags & MS_RDONLY)) { + if (!(sd->flags & SB_RDONLY)) { msg = "read-only option is not specified"; goto parse_error; } @@ -1286,7 +1286,7 @@ nilfs_mount(struct file_system_type *fs_type, int flags, struct dentry *root_dentry; int err, s_new = false; - if (!(flags & MS_RDONLY)) + if (!(flags & SB_RDONLY)) mode |= FMODE_WRITE; sd.bdev = blkdev_get_by_path(dev_name, mode, fs_type); @@ -1327,14 +1327,14 @@ nilfs_mount(struct file_system_type *fs_type, int flags, snprintf(s->s_id, sizeof(s->s_id), "%pg", sd.bdev); sb_set_blocksize(s, block_size(sd.bdev)); - err = nilfs_fill_super(s, data, flags & MS_SILENT ? 1 : 0); + err = nilfs_fill_super(s, data, flags & SB_SILENT ? 1 : 0); if (err) goto failed_super; - s->s_flags |= MS_ACTIVE; + s->s_flags |= SB_ACTIVE; } else if (!sd.cno) { if (nilfs_tree_is_busy(s->s_root)) { - if ((flags ^ s->s_flags) & MS_RDONLY) { + if ((flags ^ s->s_flags) & SB_RDONLY) { nilfs_msg(s, KERN_ERR, "the device already has a %s mount.", sb_rdonly(s) ? "read-only" : "read/write"); diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index afebb5067cec..1a85317e83f0 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -220,7 +220,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb) if (!valid_fs) { nilfs_msg(sb, KERN_WARNING, "mounting unchecked fs"); - if (s_flags & MS_RDONLY) { + if (s_flags & SB_RDONLY) { nilfs_msg(sb, KERN_INFO, "recovery required for readonly filesystem"); nilfs_msg(sb, KERN_INFO, @@ -286,7 +286,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb) if (valid_fs) goto skip_recovery; - if (s_flags & MS_RDONLY) { + if (s_flags & SB_RDONLY) { __u64 features; if (nilfs_test_opt(nilfs, NORECOVERY)) { @@ -309,7 +309,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb) err = -EROFS; goto failed_unload; } - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; } else if (nilfs_test_opt(nilfs, NORECOVERY)) { nilfs_msg(sb, KERN_ERR, "recovery cancelled because norecovery option was specified for a read/write mount"); diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index d0d4bc4c4b70..ef08d64c84b8 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -239,10 +239,10 @@ out_close_fd: } /* intofiy userspace file descriptor functions */ -static unsigned int fanotify_poll(struct file *file, poll_table *wait) +static __poll_t fanotify_poll(struct file *file, poll_table *wait) { struct fsnotify_group *group = file->private_data; - int ret = 0; + __poll_t ret = 0; poll_wait(file, &group->notification_waitq, wait); spin_lock(&group->notification_lock); diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 81d8959b6aef..219b269c737e 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -67,7 +67,7 @@ void fsnotify_unmount_inodes(struct super_block *sb) /* * If i_count is zero, the inode cannot have any watches and - * doing an __iget/iput with MS_ACTIVE clear would actually + * doing an __iget/iput with SB_ACTIVE clear would actually * evict all inodes with zero i_count from icache which is * unnecessarily violent and may in fact be illegal to do. */ diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index d3c20e0bb046..5c29bf16814f 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -107,10 +107,10 @@ static inline u32 inotify_mask_to_arg(__u32 mask) } /* intofiy userspace file descriptor functions */ -static unsigned int inotify_poll(struct file *file, poll_table *wait) +static __poll_t inotify_poll(struct file *file, poll_table *wait) { struct fsnotify_group *group = file->private_data; - int ret = 0; + __poll_t ret = 0; poll_wait(file, &group->notification_waitq, wait); spin_lock(&group->notification_lock); diff --git a/fs/nsfs.c b/fs/nsfs.c index ef243e14b6eb..7c6f76d29f56 100644 --- a/fs/nsfs.c +++ b/fs/nsfs.c @@ -255,5 +255,5 @@ void __init nsfs_init(void) nsfs_mnt = kern_mount(&nsfs); if (IS_ERR(nsfs_mnt)) panic("can't set nsfs up\n"); - nsfs_mnt->mnt_sb->s_flags &= ~MS_NOUSER; + nsfs_mnt->mnt_sb->s_flags &= ~SB_NOUSER; } diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index 3f70f041dbe9..bb7159f697f2 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -473,7 +473,7 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt) #ifndef NTFS_RW /* For read-only compiled driver, enforce read-only flag. */ - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; #else /* NTFS_RW */ /* * For the read-write compiled driver, if we are remounting read-write, @@ -487,7 +487,7 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt) * When remounting read-only, mark the volume clean if no volume errors * have occurred. */ - if (sb_rdonly(sb) && !(*flags & MS_RDONLY)) { + if (sb_rdonly(sb) && !(*flags & SB_RDONLY)) { static const char *es = ". Cannot remount read-write."; /* Remounting read-write. */ @@ -548,7 +548,7 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt) NVolSetErrors(vol); return -EROFS; } - } else if (!sb_rdonly(sb) && (*flags & MS_RDONLY)) { + } else if (!sb_rdonly(sb) && (*flags & SB_RDONLY)) { /* Remounting read-only. */ if (!NVolErrors(vol)) { if (ntfs_clear_volume_flags(vol, VOLUME_IS_DIRTY)) @@ -1799,7 +1799,7 @@ static bool load_system_files(ntfs_volume *vol) es3); goto iput_mirr_err_out; } - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; ntfs_error(sb, "%s. Mounting read-only%s", !vol->mftmirr_ino ? es1 : es2, es3); } else @@ -1937,7 +1937,7 @@ get_ctx_vol_failed: es1, es2); goto iput_vol_err_out; } - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); } else ntfs_warning(sb, "%s. Will not be able to remount " @@ -1974,7 +1974,7 @@ get_ctx_vol_failed: } goto iput_logfile_err_out; } - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); } else ntfs_warning(sb, "%s. Will not be able to remount " @@ -2019,7 +2019,7 @@ get_ctx_vol_failed: es1, es2); goto iput_root_err_out; } - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); } else ntfs_warning(sb, "%s. Will not be able to remount " @@ -2042,7 +2042,7 @@ get_ctx_vol_failed: goto iput_root_err_out; } ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; /* * Do not set NVolErrors() because ntfs_remount() might manage * to set the dirty flag in which case all would be well. @@ -2055,7 +2055,7 @@ get_ctx_vol_failed: * If (still) a read-write mount, set the NT4 compatibility flag on * newer NTFS version volumes. */ - if (!(sb->s_flags & MS_RDONLY) && (vol->major_ver > 1) && + if (!(sb->s_flags & SB_RDONLY) && (vol->major_ver > 1) && ntfs_set_volume_flags(vol, VOLUME_MOUNTED_ON_NT4)) { static const char *es1 = "Failed to set NT4 compatibility flag"; static const char *es2 = ". Run chkdsk."; @@ -2069,7 +2069,7 @@ get_ctx_vol_failed: goto iput_root_err_out; } ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; NVolSetErrors(vol); } #endif @@ -2087,7 +2087,7 @@ get_ctx_vol_failed: goto iput_root_err_out; } ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; NVolSetErrors(vol); } #endif /* NTFS_RW */ @@ -2128,7 +2128,7 @@ get_ctx_vol_failed: es1, es2); goto iput_quota_err_out; } - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); } else ntfs_warning(sb, "%s. Will not be able to remount " @@ -2150,7 +2150,7 @@ get_ctx_vol_failed: goto iput_quota_err_out; } ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; NVolSetErrors(vol); } /* @@ -2171,7 +2171,7 @@ get_ctx_vol_failed: es1, es2); goto iput_usnjrnl_err_out; } - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); } else ntfs_warning(sb, "%s. Will not be able to remount " @@ -2194,7 +2194,7 @@ get_ctx_vol_failed: goto iput_usnjrnl_err_out; } ntfs_error(sb, "%s. Mounting read-only%s", es1, es2); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; NVolSetErrors(vol); } #endif /* NTFS_RW */ @@ -2728,7 +2728,7 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent) lockdep_off(); ntfs_debug("Entering."); #ifndef NTFS_RW - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; #endif /* ! NTFS_RW */ /* Allocate a new ntfs_volume and place it in sb->s_fs_info. */ sb->s_fs_info = kmalloc(sizeof(ntfs_volume), GFP_NOFS); diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index bebe59feca58..eac5140aac47 100644 --- a/fs/ocfs2/cluster/tcp.c +++ b/fs/ocfs2/cluster/tcp.c @@ -918,7 +918,8 @@ static int o2net_recv_tcp_msg(struct socket *sock, void *data, size_t len) { struct kvec vec = { .iov_len = len, .iov_base = data, }; struct msghdr msg = { .msg_flags = MSG_DONTWAIT, }; - return kernel_recvmsg(sock, &msg, &vec, 1, len, msg.msg_flags); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &vec, 1, len); + return sock_recvmsg(sock, &msg, MSG_DONTWAIT); } static int o2net_send_tcp_msg(struct socket *sock, struct kvec *vec, diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index 9c7c18c0e129..385fcefa8bc5 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -220,9 +220,9 @@ static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr) return 0; } -static unsigned int dlmfs_file_poll(struct file *file, poll_table *wait) +static __poll_t dlmfs_file_poll(struct file *file, poll_table *wait) { - int event = 0; + __poll_t event = 0; struct inode *inode = file_inode(file); struct dlmfs_inode_private *ip = DLMFS_I(inode); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index dc455d45a66a..a1d051055472 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -227,7 +227,7 @@ int ocfs2_should_update_atime(struct inode *inode, return 0; if ((inode->i_flags & S_NOATIME) || - ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode))) + ((inode->i_sb->s_flags & SB_NODIRATIME) && S_ISDIR(inode->i_mode))) return 0; /* diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 040bbb6a6e4b..80efa5699fb0 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -675,9 +675,9 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) } /* We're going to/from readonly mode. */ - if ((bool)(*flags & MS_RDONLY) != sb_rdonly(sb)) { + if ((bool)(*flags & SB_RDONLY) != sb_rdonly(sb)) { /* Disable quota accounting before remounting RO */ - if (*flags & MS_RDONLY) { + if (*flags & SB_RDONLY) { ret = ocfs2_susp_quotas(osb, 0); if (ret < 0) goto out; @@ -691,8 +691,8 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) goto unlock_osb; } - if (*flags & MS_RDONLY) { - sb->s_flags |= MS_RDONLY; + if (*flags & SB_RDONLY) { + sb->s_flags |= SB_RDONLY; osb->osb_flags |= OCFS2_OSB_SOFT_RO; } else { if (osb->osb_flags & OCFS2_OSB_ERROR_FS) { @@ -709,14 +709,14 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) ret = -EINVAL; goto unlock_osb; } - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; osb->osb_flags &= ~OCFS2_OSB_SOFT_RO; } trace_ocfs2_remount(sb->s_flags, osb->osb_flags, *flags); unlock_osb: spin_unlock(&osb->osb_lock); /* Enable quota accounting after remounting RW */ - if (!ret && !(*flags & MS_RDONLY)) { + if (!ret && !(*flags & SB_RDONLY)) { if (sb_any_quota_suspended(sb)) ret = ocfs2_susp_quotas(osb, 1); else @@ -724,7 +724,7 @@ unlock_osb: if (ret < 0) { /* Return back changes... */ spin_lock(&osb->osb_lock); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; osb->osb_flags |= OCFS2_OSB_SOFT_RO; spin_unlock(&osb->osb_lock); goto out; @@ -744,9 +744,9 @@ unlock_osb: if (!ocfs2_is_hard_readonly(osb)) ocfs2_set_journal_params(osb); - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | + sb->s_flags = (sb->s_flags & ~SB_POSIXACL) | ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) ? - MS_POSIXACL : 0); + SB_POSIXACL : 0); } out: return ret; @@ -1057,10 +1057,10 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) sb->s_magic = OCFS2_SUPER_MAGIC; - sb->s_flags = (sb->s_flags & ~(MS_POSIXACL | MS_NOSEC)) | - ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); + sb->s_flags = (sb->s_flags & ~(SB_POSIXACL | SB_NOSEC)) | + ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) ? SB_POSIXACL : 0); - /* Hard readonly mode only if: bdev_read_only, MS_RDONLY, + /* Hard readonly mode only if: bdev_read_only, SB_RDONLY, * heartbeat=none */ if (bdev_read_only(sb->s_bdev)) { if (!sb_rdonly(sb)) { @@ -2057,7 +2057,7 @@ static int ocfs2_initialize_super(struct super_block *sb, sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP; sb->s_xattr = ocfs2_xattr_handlers; sb->s_time_gran = 1; - sb->s_flags |= MS_NOATIME; + sb->s_flags |= SB_NOATIME; /* this is needed to support O_LARGEFILE */ cbits = le32_to_cpu(di->id2.i_super.s_clustersize_bits); bbits = le32_to_cpu(di->id2.i_super.s_blocksize_bits); @@ -2568,7 +2568,7 @@ static int ocfs2_handle_error(struct super_block *sb) return rv; pr_crit("OCFS2: File system is now read-only.\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; ocfs2_set_ro_flag(osb, 0); } diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 5fdf269ba82e..c5898c59d411 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -901,7 +901,7 @@ static int ocfs2_xattr_list_entry(struct super_block *sb, case OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS: case OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT: - if (!(sb->s_flags & MS_POSIXACL)) + if (!(sb->s_flags & SB_POSIXACL)) return 0; break; diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index 13215f26e321..2200662a9bf1 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -369,7 +369,7 @@ static struct inode *openprom_iget(struct super_block *sb, ino_t ino) static int openprom_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_NOATIME; + *flags |= SB_NOATIME; return 0; } @@ -386,7 +386,7 @@ static int openprom_fill_super(struct super_block *s, void *data, int silent) struct op_inode_info *oi; int ret; - s->s_flags |= MS_NOATIME; + s->s_flags |= SB_NOATIME; s->s_blocksize = 1024; s->s_blocksize_bits = 10; s->s_magic = OPENPROM_SUPER_MAGIC; diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c index ded456f17de6..109fffd6d153 100644 --- a/fs/orangefs/devorangefs-req.c +++ b/fs/orangefs/devorangefs-req.c @@ -814,15 +814,15 @@ void orangefs_dev_cleanup(void) ORANGEFS_REQDEVICE_NAME); } -static unsigned int orangefs_devreq_poll(struct file *file, +static __poll_t orangefs_devreq_poll(struct file *file, struct poll_table_struct *poll_table) { - int poll_revent_mask = 0; + __poll_t poll_revent_mask = 0; poll_wait(file, &orangefs_request_list_waitq, poll_table); if (!list_empty(&orangefs_request_list)) - poll_revent_mask |= POLL_IN; + poll_revent_mask |= POLLIN; return poll_revent_mask; } diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c index 366750eef201..36f1390b5ed7 100644 --- a/fs/orangefs/super.c +++ b/fs/orangefs/super.c @@ -40,7 +40,7 @@ static int orangefs_show_options(struct seq_file *m, struct dentry *root) { struct orangefs_sb_info_s *orangefs_sb = ORANGEFS_SB(root->d_sb); - if (root->d_sb->s_flags & MS_POSIXACL) + if (root->d_sb->s_flags & SB_POSIXACL) seq_puts(m, ",acl"); if (orangefs_sb->flags & ORANGEFS_OPT_INTR) seq_puts(m, ",intr"); @@ -60,7 +60,7 @@ static int parse_mount_options(struct super_block *sb, char *options, * Force any potential flags that might be set from the mount * to zero, ie, initialize to unset. */ - sb->s_flags &= ~MS_POSIXACL; + sb->s_flags &= ~SB_POSIXACL; orangefs_sb->flags &= ~ORANGEFS_OPT_INTR; orangefs_sb->flags &= ~ORANGEFS_OPT_LOCAL_LOCK; @@ -73,7 +73,7 @@ static int parse_mount_options(struct super_block *sb, char *options, token = match_token(p, tokens, args); switch (token) { case Opt_acl: - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; break; case Opt_intr: orangefs_sb->flags |= ORANGEFS_OPT_INTR; @@ -507,7 +507,7 @@ struct dentry *orangefs_mount(struct file_system_type *fst, ret = orangefs_fill_sb(sb, &new_op->downcall.resp.fs_mount, data, - flags & MS_SILENT ? 1 : 0); + flags & SB_SILENT ? 1 : 0); if (ret) { d = ERR_PTR(ret); diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index be03578181d2..288d20f9a55a 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -326,7 +326,7 @@ static int ovl_remount(struct super_block *sb, int *flags, char *data) { struct ovl_fs *ofs = sb->s_fs_info; - if (!(*flags & MS_RDONLY) && ovl_force_readonly(ofs)) + if (!(*flags & SB_RDONLY) && ovl_force_readonly(ofs)) return -EROFS; return 0; @@ -1190,7 +1190,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) goto out_err; if (!ofs->workdir) - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; sb->s_stack_depth = ofs->upper_mnt->mnt_sb->s_stack_depth; sb->s_time_gran = ofs->upper_mnt->mnt_sb->s_time_gran; @@ -1203,7 +1203,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) /* If the upper fs is nonexistent, we mark overlayfs r/o too */ if (!ofs->upper_mnt) - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; else if (ofs->upper_mnt->mnt_sb != ofs->same_sb) ofs->same_sb = NULL; @@ -1213,7 +1213,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) goto out_free_oe; if (!ofs->indexdir) - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } /* Show index=off/on in /proc/mounts for any of the reasons above */ @@ -1227,7 +1227,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) sb->s_op = &ovl_super_operations; sb->s_xattr = ovl_xattr_handlers; sb->s_fs_info = ofs; - sb->s_flags |= MS_POSIXACL | MS_NOREMOTELOCK; + sb->s_flags |= SB_POSIXACL | SB_NOREMOTELOCK; err = -ENOMEM; root_dentry = d_make_root(ovl_new_inode(sb, S_IFDIR, 0)); diff --git a/fs/pipe.c b/fs/pipe.c index 6d98566201ef..a449ca0ec0c6 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -515,10 +515,10 @@ static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } /* No kernel lock held - fine */ -static unsigned int +static __poll_t pipe_poll(struct file *filp, poll_table *wait) { - unsigned int mask; + __poll_t mask; struct pipe_inode_info *pipe = filp->private_data; int nrbufs; diff --git a/fs/proc/base.c b/fs/proc/base.c index 31934cb9dfc8..28fa85276eec 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -443,8 +443,7 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns, save_stack_trace_tsk(task, &trace); for (i = 0; i < trace.nr_entries; i++) { - seq_printf(m, "[<%pK>] %pB\n", - (void *)entries[i], (void *)entries[i]); + seq_printf(m, "[<0>] %pB\n", (void *)entries[i]); } unlock_trace(task); } diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 225f541f7078..8dacaabb9f37 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -234,11 +234,11 @@ static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t return rv; } -static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *pts) +static __poll_t proc_reg_poll(struct file *file, struct poll_table_struct *pts) { struct proc_dir_entry *pde = PDE(file_inode(file)); - unsigned int rv = DEFAULT_POLLMASK; - unsigned int (*poll)(struct file *, struct poll_table_struct *); + __poll_t rv = DEFAULT_POLLMASK; + __poll_t (*poll)(struct file *, struct poll_table_struct *); if (use_pde(pde)) { poll = pde->proc_fops->poll; if (poll) @@ -483,7 +483,7 @@ int proc_fill_super(struct super_block *s, void *data, int silent) /* User space would break if executables or devices appear on proc */ s->s_iflags |= SB_I_USERNS_VISIBLE | SB_I_NOEXEC | SB_I_NODEV; - s->s_flags |= MS_NODIRATIME | MS_NOSUID | MS_NOEXEC; + s->s_flags |= SB_NODIRATIME | SB_NOSUID | SB_NOEXEC; s->s_blocksize = 1024; s->s_blocksize_bits = 10; s->s_magic = PROC_SUPER_MAGIC; diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c index e0f8774acd65..f0bfb45c3f9f 100644 --- a/fs/proc/kmsg.c +++ b/fs/proc/kmsg.c @@ -40,7 +40,7 @@ static ssize_t kmsg_read(struct file *file, char __user *buf, return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_PROC); } -static unsigned int kmsg_poll(struct file *file, poll_table *wait) +static __poll_t kmsg_poll(struct file *file, poll_table *wait) { poll_wait(file, &log_wait, wait); if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_PROC)) diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index c5cbbdff3c3d..63325377621a 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -630,12 +630,12 @@ static int proc_sys_open(struct inode *inode, struct file *filp) return 0; } -static unsigned int proc_sys_poll(struct file *filp, poll_table *wait) +static __poll_t proc_sys_poll(struct file *filp, poll_table *wait) { struct inode *inode = file_inode(filp); struct ctl_table_header *head = grab_header(inode); struct ctl_table *table = PROC_I(inode)->sysctl_entry; - unsigned int ret = DEFAULT_POLLMASK; + __poll_t ret = DEFAULT_POLLMASK; unsigned long event; /* sysctl was unregistered */ diff --git a/fs/proc/root.c b/fs/proc/root.c index 4e42aba97f2e..ede8e64974be 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -91,7 +91,7 @@ static struct dentry *proc_mount(struct file_system_type *fs_type, { struct pid_namespace *ns; - if (flags & MS_KERNMOUNT) { + if (flags & SB_KERNMOUNT) { ns = data; data = NULL; } else { diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c index 7b635d173213..c8528d587e09 100644 --- a/fs/proc_namespace.c +++ b/fs/proc_namespace.c @@ -18,12 +18,12 @@ #include "pnode.h" #include "internal.h" -static unsigned mounts_poll(struct file *file, poll_table *wait) +static __poll_t mounts_poll(struct file *file, poll_table *wait) { struct seq_file *m = file->private_data; struct proc_mounts *p = m->private; struct mnt_namespace *ns = p->ns; - unsigned res = POLLIN | POLLRDNORM; + __poll_t res = POLLIN | POLLRDNORM; int event; poll_wait(file, &p->ns->poll, wait); @@ -45,10 +45,10 @@ struct proc_fs_info { static int show_sb_opts(struct seq_file *m, struct super_block *sb) { static const struct proc_fs_info fs_info[] = { - { MS_SYNCHRONOUS, ",sync" }, - { MS_DIRSYNC, ",dirsync" }, - { MS_MANDLOCK, ",mand" }, - { MS_LAZYTIME, ",lazytime" }, + { SB_SYNCHRONOUS, ",sync" }, + { SB_DIRSYNC, ",dirsync" }, + { SB_MANDLOCK, ",mand" }, + { SB_LAZYTIME, ",lazytime" }, { 0, NULL } }; const struct proc_fs_info *fs_infop; diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c index 3a67cfb142d8..3d46fe302fcb 100644 --- a/fs/qnx4/inode.c +++ b/fs/qnx4/inode.c @@ -47,7 +47,7 @@ static int qnx4_remount(struct super_block *sb, int *flags, char *data) sync_filesystem(sb); qs = qnx4_sb(sb); qs->Version = QNX4_VERSION; - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; return 0; } @@ -199,7 +199,7 @@ static int qnx4_fill_super(struct super_block *s, void *data, int silent) s->s_op = &qnx4_sops; s->s_magic = QNX4_SUPER_MAGIC; - s->s_flags |= MS_RDONLY; /* Yup, read-only yet */ + s->s_flags |= SB_RDONLY; /* Yup, read-only yet */ /* Check the superblock signature. Since the qnx4 code is dangerous, we should leave as quickly as possible diff --git a/fs/qnx6/inode.c b/fs/qnx6/inode.c index 1192422a1c56..4aeb26bcb4d0 100644 --- a/fs/qnx6/inode.c +++ b/fs/qnx6/inode.c @@ -56,7 +56,7 @@ static int qnx6_show_options(struct seq_file *seq, struct dentry *root) static int qnx6_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; return 0; } @@ -427,7 +427,7 @@ mmi_success: } s->s_op = &qnx6_sops; s->s_magic = QNX6_SUPER_MAGIC; - s->s_flags |= MS_RDONLY; /* Yup, read-only yet */ + s->s_flags |= SB_RDONLY; /* Yup, read-only yet */ /* ease the later tree level calculations */ sbi = QNX6_SB(s); diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 39f1b0b0c76f..020c597ef9b6 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -941,12 +941,13 @@ static int dqinit_needed(struct inode *inode, int type) } /* This routine is guarded by s_umount semaphore */ -static void add_dquot_ref(struct super_block *sb, int type) +static int add_dquot_ref(struct super_block *sb, int type) { struct inode *inode, *old_inode = NULL; #ifdef CONFIG_QUOTA_DEBUG int reserved = 0; #endif + int err = 0; spin_lock(&sb->s_inode_list_lock); list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { @@ -966,7 +967,11 @@ static void add_dquot_ref(struct super_block *sb, int type) reserved = 1; #endif iput(old_inode); - __dquot_initialize(inode, type); + err = __dquot_initialize(inode, type); + if (err) { + iput(inode); + goto out; + } /* * We hold a reference to 'inode' so it couldn't have been @@ -981,7 +986,7 @@ static void add_dquot_ref(struct super_block *sb, int type) } spin_unlock(&sb->s_inode_list_lock); iput(old_inode); - +out: #ifdef CONFIG_QUOTA_DEBUG if (reserved) { quota_error(sb, "Writes happened before quota was turned on " @@ -989,6 +994,7 @@ static void add_dquot_ref(struct super_block *sb, int type) "Please run quotacheck(8)"); } #endif + return err; } /* @@ -2379,10 +2385,11 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id, dqopt->flags |= dquot_state_flag(flags, type); spin_unlock(&dq_state_lock); - add_dquot_ref(sb, type); - - return 0; + error = add_dquot_ref(sb, type); + if (error) + dquot_disable(sb, type, flags); + return error; out_file_init: dqopt->files[type] = NULL; iput(inode); @@ -2985,7 +2992,8 @@ static int __init dquot_init(void) pr_info("VFS: Dquot-cache hash table entries: %ld (order %ld," " %ld bytes)\n", nr_hash, order, (PAGE_SIZE << order)); - register_shrinker(&dqcache_shrinker); + if (register_shrinker(&dqcache_shrinker)) + panic("Cannot register dquot shrinker"); return 0; } diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 11a48affa882..b13fc024d2ee 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -2106,7 +2106,7 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, journal_end(th); goto out_inserted_sd; } - } else if (inode->i_sb->s_flags & MS_POSIXACL) { + } else if (inode->i_sb->s_flags & SB_POSIXACL) { reiserfs_warning(inode->i_sb, "jdm-13090", "ACLs aren't enabled in the fs, " "but vfs thinks they are!"); diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 69ff280bdfe8..70057359fbaf 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1960,7 +1960,7 @@ static int do_journal_release(struct reiserfs_transaction_handle *th, /* * Cancel flushing of old commits. Note that neither of these works * will be requeued because superblock is being shutdown and doesn't - * have MS_ACTIVE set. + * have SB_ACTIVE set. */ reiserfs_cancel_old_flush(sb); /* wait for all commits to finish */ @@ -4302,7 +4302,7 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, int flags) * Avoid queueing work when sb is being shut down. Transaction * will be flushed on journal shutdown. */ - if (sb->s_flags & MS_ACTIVE) + if (sb->s_flags & SB_ACTIVE) queue_delayed_work(REISERFS_SB(sb)->commit_wq, &journal->j_work, HZ / 10); } @@ -4393,7 +4393,7 @@ void reiserfs_abort_journal(struct super_block *sb, int errno) if (!journal->j_errno) journal->j_errno = errno; - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; set_bit(J_ABORTED, &journal->j_state); #ifdef CONFIG_REISERFS_CHECK diff --git a/fs/reiserfs/prints.c b/fs/reiserfs/prints.c index 64f49cafbc5b..7e288d97adcb 100644 --- a/fs/reiserfs/prints.c +++ b/fs/reiserfs/prints.c @@ -390,7 +390,7 @@ void __reiserfs_error(struct super_block *sb, const char *id, return; reiserfs_info(sb, "Remounting filesystem read-only\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; reiserfs_abort_journal(sb, -EIO); } @@ -409,7 +409,7 @@ void reiserfs_abort(struct super_block *sb, int errno, const char *fmt, ...) printk(KERN_CRIT "REISERFS abort (device %s): %s\n", sb->s_id, error_buf); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; reiserfs_abort_journal(sb, errno); } diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 5464ec517702..1fc934d24459 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -121,7 +121,7 @@ void reiserfs_schedule_old_flush(struct super_block *s) * Avoid scheduling flush when sb is being shut down. It can race * with journal shutdown and free still queued delayed work. */ - if (sb_rdonly(s) || !(s->s_flags & MS_ACTIVE)) + if (sb_rdonly(s) || !(s->s_flags & SB_ACTIVE)) return; spin_lock(&sbi->old_work_lock); @@ -252,11 +252,11 @@ static int finish_unfinished(struct super_block *s) #ifdef CONFIG_QUOTA /* Needed for iput() to work correctly and not trash data */ - if (s->s_flags & MS_ACTIVE) { + if (s->s_flags & SB_ACTIVE) { ms_active_set = 0; } else { ms_active_set = 1; - s->s_flags |= MS_ACTIVE; + s->s_flags |= SB_ACTIVE; } /* Turn on quotas so that they are updated correctly */ for (i = 0; i < REISERFS_MAXQUOTAS; i++) { @@ -411,7 +411,7 @@ static int finish_unfinished(struct super_block *s) reiserfs_write_lock(s); if (ms_active_set) /* Restore the flag back */ - s->s_flags &= ~MS_ACTIVE; + s->s_flags &= ~SB_ACTIVE; #endif pathrelse(&path); if (done) @@ -1521,7 +1521,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg) goto out_err_unlock; } - if (*mount_flags & MS_RDONLY) { + if (*mount_flags & SB_RDONLY) { reiserfs_write_unlock(s); reiserfs_xattr_init(s, *mount_flags); /* remount read-only */ @@ -1567,7 +1567,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg) REISERFS_SB(s)->s_mount_state = sb_umount_state(rs); /* now it is safe to call journal_begin */ - s->s_flags &= ~MS_RDONLY; + s->s_flags &= ~SB_RDONLY; err = journal_begin(&th, s, 10); if (err) goto out_err_unlock; @@ -1575,7 +1575,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg) /* Mount a partition which is read-only, read-write */ reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1); REISERFS_SB(s)->s_mount_state = sb_umount_state(rs); - s->s_flags &= ~MS_RDONLY; + s->s_flags &= ~SB_RDONLY; set_sb_umount_state(rs, REISERFS_ERROR_FS); if (!old_format_only(s)) set_sb_mnt_count(rs, sb_mnt_count(rs) + 1); @@ -1590,7 +1590,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg) goto out_err_unlock; reiserfs_write_unlock(s); - if (!(*mount_flags & MS_RDONLY)) { + if (!(*mount_flags & SB_RDONLY)) { dquot_resume(s, -1); reiserfs_write_lock(s); finish_unfinished(s); @@ -2055,7 +2055,7 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) if (bdev_read_only(s->s_bdev) && !sb_rdonly(s)) { SWARN(silent, s, "clm-7000", "Detected readonly device, marking FS readonly"); - s->s_flags |= MS_RDONLY; + s->s_flags |= SB_RDONLY; } args.objectid = REISERFS_ROOT_OBJECTID; args.dirid = REISERFS_ROOT_PARENT_OBJECTID; @@ -2591,7 +2591,6 @@ out: return err; if (inode->i_size < off + len - towrite) i_size_write(inode, off + len - towrite); - inode->i_version++; inode->i_mtime = inode->i_ctime = current_time(inode); mark_inode_dirty(inode); return len - towrite; diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index 46492fb37a4c..5dbf5324bdda 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -959,7 +959,7 @@ int reiserfs_lookup_privroot(struct super_block *s) /* * We need to take a copy of the mount flags since things like - * MS_RDONLY don't get set until *after* we're called. + * SB_RDONLY don't get set until *after* we're called. * mount_flags != mount_options */ int reiserfs_xattr_init(struct super_block *s, int mount_flags) @@ -971,7 +971,7 @@ int reiserfs_xattr_init(struct super_block *s, int mount_flags) if (err) goto error; - if (d_really_is_negative(privroot) && !(mount_flags & MS_RDONLY)) { + if (d_really_is_negative(privroot) && !(mount_flags & SB_RDONLY)) { inode_lock(d_inode(s->s_root)); err = create_privroot(REISERFS_SB(s)->priv_root); inode_unlock(d_inode(s->s_root)); @@ -999,11 +999,11 @@ error: clear_bit(REISERFS_POSIXACL, &REISERFS_SB(s)->s_mount_opt); } - /* The super_block MS_POSIXACL must mirror the (no)acl mount option. */ + /* The super_block SB_POSIXACL must mirror the (no)acl mount option. */ if (reiserfs_posixacl(s)) - s->s_flags |= MS_POSIXACL; + s->s_flags |= SB_POSIXACL; else - s->s_flags &= ~MS_POSIXACL; + s->s_flags &= ~SB_POSIXACL; return err; } diff --git a/fs/romfs/super.c b/fs/romfs/super.c index 0186fe6d39f3..8f06fd1f3d69 100644 --- a/fs/romfs/super.c +++ b/fs/romfs/super.c @@ -451,7 +451,7 @@ static int romfs_statfs(struct dentry *dentry, struct kstatfs *buf) static int romfs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; return 0; } @@ -502,7 +502,7 @@ static int romfs_fill_super(struct super_block *sb, void *data, int silent) sb->s_maxbytes = 0xFFFFFFFF; sb->s_magic = ROMFS_MAGIC; - sb->s_flags |= MS_RDONLY | MS_NOATIME; + sb->s_flags |= SB_RDONLY | SB_NOATIME; sb->s_op = &romfs_super_ops; #ifdef CONFIG_ROMFS_ON_MTD diff --git a/fs/select.c b/fs/select.c index 6de493bb42a4..ec14171dd78a 100644 --- a/fs/select.c +++ b/fs/select.c @@ -212,7 +212,7 @@ static int pollwake(wait_queue_entry_t *wait, unsigned mode, int sync, void *key struct poll_table_entry *entry; entry = container_of(wait, struct poll_table_entry, wait); - if (key && !((unsigned long)key & entry->key)) + if (key && !(key_to_poll(key) & entry->key)) return 0; return __pollwake(wait, mode, sync, key); } @@ -438,7 +438,7 @@ get_max: static inline void wait_key_set(poll_table *wait, unsigned long in, unsigned long out, unsigned long bit, - unsigned int ll_flag) + __poll_t ll_flag) { wait->_key = POLLEX_SET | ll_flag; if (in & bit) @@ -454,7 +454,7 @@ static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time) poll_table *wait; int retval, i, timed_out = 0; u64 slack = 0; - unsigned int busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0; + __poll_t busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0; unsigned long busy_start = 0; rcu_read_lock(); @@ -484,8 +484,9 @@ static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time) rinp = fds->res_in; routp = fds->res_out; rexp = fds->res_ex; for (i = 0; i < n; ++rinp, ++routp, ++rexp) { - unsigned long in, out, ex, all_bits, bit = 1, mask, j; + unsigned long in, out, ex, all_bits, bit = 1, j; unsigned long res_in = 0, res_out = 0, res_ex = 0; + __poll_t mask; in = *inp++; out = *outp++; ex = *exp++; all_bits = in | out | ex; @@ -802,11 +803,11 @@ struct poll_list { * pwait poll_table will be used by the fd-provided poll handler for waiting, * if pwait->_qproc is non-NULL. */ -static inline unsigned int do_pollfd(struct pollfd *pollfd, poll_table *pwait, +static inline __poll_t do_pollfd(struct pollfd *pollfd, poll_table *pwait, bool *can_busy_poll, - unsigned int busy_flag) + __poll_t busy_flag) { - unsigned int mask; + __poll_t mask; int fd; mask = 0; @@ -815,20 +816,24 @@ static inline unsigned int do_pollfd(struct pollfd *pollfd, poll_table *pwait, struct fd f = fdget(fd); mask = POLLNVAL; if (f.file) { + /* userland u16 ->events contains POLL... bitmap */ + __poll_t filter = demangle_poll(pollfd->events) | + POLLERR | POLLHUP; mask = DEFAULT_POLLMASK; if (f.file->f_op->poll) { - pwait->_key = pollfd->events|POLLERR|POLLHUP; + pwait->_key = filter; pwait->_key |= busy_flag; mask = f.file->f_op->poll(f.file, pwait); if (mask & busy_flag) *can_busy_poll = true; } /* Mask out unneeded events. */ - mask &= pollfd->events | POLLERR | POLLHUP; + mask &= filter; fdput(f); } } - pollfd->revents = mask; + /* ... and so does ->revents */ + pollfd->revents = mangle_poll(mask); return mask; } @@ -840,7 +845,7 @@ static int do_poll(struct poll_list *list, struct poll_wqueues *wait, ktime_t expire, *to = NULL; int timed_out = 0, count = 0; u64 slack = 0; - unsigned int busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0; + __poll_t busy_flag = net_busy_loop_on() ? POLL_BUSY_LOOP : 0; unsigned long busy_start = 0; /* Optimise the no-wait case */ diff --git a/fs/signalfd.c b/fs/signalfd.c index 5f1ff8756595..31e923bec99a 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -58,10 +58,10 @@ static int signalfd_release(struct inode *inode, struct file *file) return 0; } -static unsigned int signalfd_poll(struct file *file, poll_table *wait) +static __poll_t signalfd_poll(struct file *file, poll_table *wait) { struct signalfd_ctx *ctx = file->private_data; - unsigned int events = 0; + __poll_t events = 0; poll_wait(file, ¤t->sighand->signalfd_wqh, wait); diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c index cf01e15a7b16..8a73b97217c8 100644 --- a/fs/squashfs/super.c +++ b/fs/squashfs/super.c @@ -195,7 +195,7 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent) (u64) le64_to_cpu(sblk->id_table_start)); sb->s_maxbytes = MAX_LFS_FILESIZE; - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; sb->s_op = &squashfs_super_ops; err = -ENOMEM; @@ -373,7 +373,7 @@ static int squashfs_statfs(struct dentry *dentry, struct kstatfs *buf) static int squashfs_remount(struct super_block *sb, int *flags, char *data) { sync_filesystem(sb); - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; return 0; } diff --git a/fs/statfs.c b/fs/statfs.c index b072a8bab71a..5b2a24f0f263 100644 --- a/fs/statfs.c +++ b/fs/statfs.c @@ -35,11 +35,11 @@ static int flags_by_mnt(int mnt_flags) static int flags_by_sb(int s_flags) { int flags = 0; - if (s_flags & MS_SYNCHRONOUS) + if (s_flags & SB_SYNCHRONOUS) flags |= ST_SYNCHRONOUS; - if (s_flags & MS_MANDLOCK) + if (s_flags & SB_MANDLOCK) flags |= ST_MANDLOCK; - if (s_flags & MS_RDONLY) + if (s_flags & SB_RDONLY) flags |= ST_RDONLY; return flags; } diff --git a/fs/super.c b/fs/super.c index d4e33e8f1e6f..672538ca9831 100644 --- a/fs/super.c +++ b/fs/super.c @@ -191,6 +191,24 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags, INIT_LIST_HEAD(&s->s_mounts); s->s_user_ns = get_user_ns(user_ns); + init_rwsem(&s->s_umount); + lockdep_set_class(&s->s_umount, &type->s_umount_key); + /* + * sget() can have s_umount recursion. + * + * When it cannot find a suitable sb, it allocates a new + * one (this one), and tries again to find a suitable old + * one. + * + * In case that succeeds, it will acquire the s_umount + * lock of the old one. Since these are clearly distrinct + * locks, and this object isn't exposed yet, there's no + * risk of deadlocks. + * + * Annotate this by putting this lock in a different + * subclass. + */ + down_write_nested(&s->s_umount, SINGLE_DEPTH_NESTING); if (security_sb_alloc(s)) goto fail; @@ -207,7 +225,7 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags, if (s->s_user_ns != &init_user_ns) s->s_iflags |= SB_I_NODEV; INIT_HLIST_NODE(&s->s_instances); - INIT_HLIST_BL_HEAD(&s->s_anon); + INIT_HLIST_BL_HEAD(&s->s_roots); mutex_init(&s->s_sync_lock); INIT_LIST_HEAD(&s->s_inodes); spin_lock_init(&s->s_inode_list_lock); @@ -218,25 +236,6 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags, goto fail; if (list_lru_init_memcg(&s->s_inode_lru)) goto fail; - - init_rwsem(&s->s_umount); - lockdep_set_class(&s->s_umount, &type->s_umount_key); - /* - * sget() can have s_umount recursion. - * - * When it cannot find a suitable sb, it allocates a new - * one (this one), and tries again to find a suitable old - * one. - * - * In case that succeeds, it will acquire the s_umount - * lock of the old one. Since these are clearly distrinct - * locks, and this object isn't exposed yet, there's no - * risk of deadlocks. - * - * Annotate this by putting this lock in a different - * subclass. - */ - down_write_nested(&s->s_umount, SINGLE_DEPTH_NESTING); s->s_count = 1; atomic_set(&s->s_active, 1); mutex_init(&s->s_vfs_rename_mutex); @@ -518,7 +517,11 @@ retry: hlist_add_head(&s->s_instances, &type->fs_supers); spin_unlock(&sb_lock); get_filesystem(type); - register_shrinker(&s->s_shrink); + err = register_shrinker(&s->s_shrink); + if (err) { + deactivate_locked_super(s); + s = ERR_PTR(err); + } return s; } diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index 20b8f82e115b..fb49510c5dcf 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -30,7 +30,7 @@ static struct dentry *sysfs_mount(struct file_system_type *fs_type, void *ns; bool new_sb; - if (!(flags & MS_KERNMOUNT)) { + if (!(flags & SB_KERNMOUNT)) { if (!kobj_ns_current_may_mount(KOBJ_NS_TYPE_NET)) return ERR_PTR(-EPERM); } diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 3c47b7d5d4cf..bec9f79adb25 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -63,7 +63,7 @@ static int sysv_remount(struct super_block *sb, int *flags, char *data) sync_filesystem(sb); if (sbi->s_forced_ro) - *flags |= MS_RDONLY; + *flags |= SB_RDONLY; return 0; } diff --git a/fs/sysv/super.c b/fs/sysv/super.c index 0d56e486b392..89765ddfb738 100644 --- a/fs/sysv/super.c +++ b/fs/sysv/super.c @@ -333,7 +333,7 @@ static int complete_read_super(struct super_block *sb, int silent, int size) /* set up enough so that it can read an inode */ sb->s_op = &sysv_sops; if (sbi->s_forced_ro) - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; if (sbi->s_truncate) sb->s_d_op = &sysv_dentry_operations; root_inode = sysv_iget(sb, SYSV_ROOT_INO); diff --git a/fs/timerfd.c b/fs/timerfd.c index 040612ec9598..0510717f3a53 100644 --- a/fs/timerfd.c +++ b/fs/timerfd.c @@ -227,10 +227,10 @@ static int timerfd_release(struct inode *inode, struct file *file) return 0; } -static unsigned int timerfd_poll(struct file *file, poll_table *wait) +static __poll_t timerfd_poll(struct file *file, poll_table *wait) { struct timerfd_ctx *ctx = file->private_data; - unsigned int events = 0; + __poll_t events = 0; unsigned long flags; poll_wait(file, &ctx->wqh, wait); diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index a02aa59d1e24..dfe85069586e 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1406,7 +1406,7 @@ int ubifs_update_time(struct inode *inode, struct timespec *time, if (flags & S_MTIME) inode->i_mtime = *time; - if (!(inode->i_sb->s_flags & MS_LAZYTIME)) + if (!(inode->i_sb->s_flags & SB_LAZYTIME)) iflags |= I_DIRTY_SYNC; release = ui->dirty; diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c index 3be28900bf37..fe77e9625e84 100644 --- a/fs/ubifs/io.c +++ b/fs/ubifs/io.c @@ -84,7 +84,7 @@ void ubifs_ro_mode(struct ubifs_info *c, int err) if (!c->ro_error) { c->ro_error = 1; c->no_chk_data_crc = 0; - c->vfs_sb->s_flags |= MS_RDONLY; + c->vfs_sb->s_flags |= SB_RDONLY; ubifs_warn(c, "switched to read-only mode, error %d", err); dump_stack(); } diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 7503e7cdf870..0beb285b143d 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -968,7 +968,7 @@ static int parse_standard_option(const char *option) pr_notice("UBIFS: parse %s\n", option); if (!strcmp(option, "sync")) - return MS_SYNCHRONOUS; + return SB_SYNCHRONOUS; return 0; } @@ -1160,8 +1160,8 @@ static int mount_ubifs(struct ubifs_info *c) size_t sz; c->ro_mount = !!sb_rdonly(c->vfs_sb); - /* Suppress error messages while probing if MS_SILENT is set */ - c->probing = !!(c->vfs_sb->s_flags & MS_SILENT); + /* Suppress error messages while probing if SB_SILENT is set */ + c->probing = !!(c->vfs_sb->s_flags & SB_SILENT); err = init_constants_early(c); if (err) @@ -1852,7 +1852,7 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data) return err; } - if (c->ro_mount && !(*flags & MS_RDONLY)) { + if (c->ro_mount && !(*flags & SB_RDONLY)) { if (c->ro_error) { ubifs_msg(c, "cannot re-mount R/W due to prior errors"); return -EROFS; @@ -1864,7 +1864,7 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data) err = ubifs_remount_rw(c); if (err) return err; - } else if (!c->ro_mount && (*flags & MS_RDONLY)) { + } else if (!c->ro_mount && (*flags & SB_RDONLY)) { if (c->ro_error) { ubifs_msg(c, "cannot re-mount R/O due to prior errors"); return -EROFS; @@ -2117,7 +2117,7 @@ static struct dentry *ubifs_mount(struct file_system_type *fs_type, int flags, */ ubi = open_ubi(name, UBI_READONLY); if (IS_ERR(ubi)) { - if (!(flags & MS_SILENT)) + if (!(flags & SB_SILENT)) pr_err("UBIFS error (pid: %d): cannot open \"%s\", error %d", current->pid, name, (int)PTR_ERR(ubi)); return ERR_CAST(ubi); @@ -2143,18 +2143,18 @@ static struct dentry *ubifs_mount(struct file_system_type *fs_type, int flags, kfree(c); /* A new mount point for already mounted UBIFS */ dbg_gen("this ubi volume is already mounted"); - if (!!(flags & MS_RDONLY) != c1->ro_mount) { + if (!!(flags & SB_RDONLY) != c1->ro_mount) { err = -EBUSY; goto out_deact; } } else { - err = ubifs_fill_super(sb, data, flags & MS_SILENT ? 1 : 0); + err = ubifs_fill_super(sb, data, flags & SB_SILENT ? 1 : 0); if (err) goto out_deact; /* We do not support atime */ - sb->s_flags |= MS_ACTIVE; + sb->s_flags |= SB_ACTIVE; #ifndef CONFIG_UBIFS_ATIME_SUPPORT - sb->s_flags |= MS_NOATIME; + sb->s_flags |= SB_NOATIME; #else ubifs_msg(c, "full atime support is enabled."); #endif diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 63c7468147eb..5ee7af879cc4 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -1201,7 +1201,7 @@ struct ubifs_debug_info; * @need_recovery: %1 if the file-system needs recovery * @replaying: %1 during journal replay * @mounting: %1 while mounting - * @probing: %1 while attempting to mount if MS_SILENT mount flag is set + * @probing: %1 while attempting to mount if SB_SILENT mount flag is set * @remounting_rw: %1 while re-mounting from R/O mode to R/W mode * @replay_list: temporary list used during journal replay * @replay_buds: list of buds to replay @@ -1850,7 +1850,7 @@ __printf(2, 3) void ubifs_warn(const struct ubifs_info *c, const char *fmt, ...); /* * A conditional variant of 'ubifs_err()' which doesn't output anything - * if probing (ie. MS_SILENT set). + * if probing (ie. SB_SILENT set). */ #define ubifs_errc(c, fmt, ...) \ do { \ diff --git a/fs/udf/super.c b/fs/udf/super.c index f80e0a0f24d3..f73239a9a97d 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -650,7 +650,7 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) sync_filesystem(sb); if (lvidiu) { int write_rev = le16_to_cpu(lvidiu->minUDFWriteRev); - if (write_rev > UDF_MAX_WRITE_VERSION && !(*flags & MS_RDONLY)) + if (write_rev > UDF_MAX_WRITE_VERSION && !(*flags & SB_RDONLY)) return -EACCES; } @@ -673,10 +673,10 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) sbi->s_dmode = uopt.dmode; write_unlock(&sbi->s_cred_lock); - if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) + if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) goto out_unlock; - if (*flags & MS_RDONLY) + if (*flags & SB_RDONLY) udf_close_lvid(sb); else udf_open_lvid(sb); diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index b5cd79065ef9..e727ee07dbe4 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -115,7 +115,7 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count) ubh_mark_buffer_dirty (USPI_UBH(uspi)); ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); ufs_mark_sb_dirty(sb); @@ -205,7 +205,7 @@ do_more: ubh_mark_buffer_dirty (USPI_UBH(uspi)); ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); if (overflow) { @@ -567,7 +567,7 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment, ubh_mark_buffer_dirty (USPI_UBH(uspi)); ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); ufs_mark_sb_dirty(sb); @@ -688,7 +688,7 @@ cg_found: succed: ubh_mark_buffer_dirty (USPI_UBH(uspi)); ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); ufs_mark_sb_dirty(sb); diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c index 916b4a428933..e1ef0f0a1353 100644 --- a/fs/ufs/ialloc.c +++ b/fs/ufs/ialloc.c @@ -112,7 +112,7 @@ void ufs_free_inode (struct inode * inode) ubh_mark_buffer_dirty (USPI_UBH(uspi)); ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); ufs_mark_sb_dirty(sb); @@ -146,14 +146,14 @@ static void ufs2_init_inodes_chunk(struct super_block *sb, set_buffer_uptodate(bh); mark_buffer_dirty(bh); unlock_buffer(bh); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) sync_dirty_buffer(bh); brelse(bh); } fs32_add(sb, &ucg->cg_u.cg_u2.cg_initediblk, uspi->s_inopb); ubh_mark_buffer_dirty(UCPI_UBH(ucpi)); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); UFSD("EXIT\n"); @@ -284,7 +284,7 @@ cg_found: } ubh_mark_buffer_dirty (USPI_UBH(uspi)); ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) ubh_sync_block(UCPI_UBH(ucpi)); ufs_mark_sb_dirty(sb); @@ -330,7 +330,7 @@ cg_found: ufs2_inode->ui_birthnsec = cpu_to_fs32(sb, ts.tv_nsec); mark_buffer_dirty(bh); unlock_buffer(bh); - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) sync_dirty_buffer(bh); brelse(bh); } diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 6440003f8ddc..4d497e9c6883 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -282,7 +282,7 @@ void ufs_error (struct super_block * sb, const char * function, usb1->fs_clean = UFS_FSBAD; ubh_mark_buffer_dirty(USPI_UBH(uspi)); ufs_mark_sb_dirty(sb); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } va_start(args, fmt); vaf.fmt = fmt; @@ -320,7 +320,7 @@ void ufs_panic (struct super_block * sb, const char * function, va_start(args, fmt); vaf.fmt = fmt; vaf.va = &args; - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; pr_crit("panic (device %s): %s: %pV\n", sb->s_id, function, &vaf); va_end(args); @@ -905,7 +905,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) if (!sb_rdonly(sb)) { if (!silent) pr_info("ufstype=old is supported read-only\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } break; @@ -921,7 +921,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) if (!sb_rdonly(sb)) { if (!silent) pr_info("ufstype=nextstep is supported read-only\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } break; @@ -937,7 +937,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) if (!sb_rdonly(sb)) { if (!silent) pr_info("ufstype=nextstep-cd is supported read-only\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } break; @@ -953,7 +953,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) if (!sb_rdonly(sb)) { if (!silent) pr_info("ufstype=openstep is supported read-only\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } break; @@ -968,7 +968,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) if (!sb_rdonly(sb)) { if (!silent) pr_info("ufstype=hp is supported read-only\n"); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } break; default: @@ -1125,21 +1125,21 @@ magic_found: break; case UFS_FSACTIVE: pr_err("%s(): fs is active\n", __func__); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; break; case UFS_FSBAD: pr_err("%s(): fs is bad\n", __func__); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; break; default: pr_err("%s(): can't grok fs_clean 0x%x\n", __func__, usb1->fs_clean); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; break; } } else { pr_err("%s(): fs needs fsck\n", __func__); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } /* @@ -1328,7 +1328,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) return -EINVAL; } - if ((bool)(*mount_flags & MS_RDONLY) == sb_rdonly(sb)) { + if ((bool)(*mount_flags & SB_RDONLY) == sb_rdonly(sb)) { UFS_SB(sb)->s_mount_opt = new_mount_opt; mutex_unlock(&UFS_SB(sb)->s_lock); return 0; @@ -1337,7 +1337,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) /* * fs was mouted as rw, remounting ro */ - if (*mount_flags & MS_RDONLY) { + if (*mount_flags & SB_RDONLY) { ufs_put_super_internal(sb); usb1->fs_time = cpu_to_fs32(sb, get_seconds()); if ((flags & UFS_ST_MASK) == UFS_ST_SUN @@ -1346,7 +1346,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) ufs_set_fs_state(sb, usb1, usb3, UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)); ubh_mark_buffer_dirty (USPI_UBH(uspi)); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; } else { /* * fs was mounted as ro, remounting rw @@ -1370,7 +1370,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) mutex_unlock(&UFS_SB(sb)->s_lock); return -EPERM; } - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; #endif } UFS_SB(sb)->s_mount_opt = new_mount_opt; diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index ac9a4e65ca49..c0a5d9c47c6d 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -921,10 +921,10 @@ static inline struct userfaultfd_wait_queue *find_userfault_evt( return find_userfault_in(&ctx->event_wqh); } -static unsigned int userfaultfd_poll(struct file *file, poll_table *wait) +static __poll_t userfaultfd_poll(struct file *file, poll_table *wait) { struct userfaultfd_ctx *ctx = file->private_data; - unsigned int ret; + __poll_t ret; poll_wait(file, &ctx->fd_wqh, wait); diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 08df809e2315..1210f684d3c2 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -5662,7 +5662,8 @@ xfs_bmap_collapse_extents( *done = true; goto del_cursor; } - XFS_WANT_CORRUPTED_RETURN(mp, !isnullstartblock(got.br_startblock)); + XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock), + del_cursor); new_startoff = got.br_startoff - offset_shift_fsb; if (xfs_iext_peek_prev_extent(ifp, &icur, &prev)) { @@ -5767,7 +5768,8 @@ xfs_bmap_insert_extents( goto del_cursor; } } - XFS_WANT_CORRUPTED_RETURN(mp, !isnullstartblock(got.br_startblock)); + XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock), + del_cursor); if (stop_fsb >= got.br_startoff + got.br_blockcount) { error = -EIO; diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c index 637b7a892313..f120fb20452f 100644 --- a/fs/xfs/scrub/inode.c +++ b/fs/xfs/scrub/inode.c @@ -318,8 +318,20 @@ xfs_scrub_dinode( /* di_mode */ mode = be16_to_cpu(dip->di_mode); - if (mode & ~(S_IALLUGO | S_IFMT)) + switch (mode & S_IFMT) { + case S_IFLNK: + case S_IFREG: + case S_IFDIR: + case S_IFCHR: + case S_IFBLK: + case S_IFIFO: + case S_IFSOCK: + /* mode is recognized */ + break; + default: xfs_scrub_ino_set_corrupt(sc, ino, bp); + break; + } /* v1/v2 fields */ switch (dip->di_version) { diff --git a/fs/xfs/scrub/quota.c b/fs/xfs/scrub/quota.c index 8e58ba842946..3d9037eceaf1 100644 --- a/fs/xfs/scrub/quota.c +++ b/fs/xfs/scrub/quota.c @@ -107,7 +107,7 @@ xfs_scrub_quota_item( unsigned long long rcount; xfs_ino_t fs_icount; - offset = id * qi->qi_dqperchunk; + offset = id / qi->qi_dqperchunk; /* * We fed $id and DQNEXT into the xfs_qm_dqget call, which means @@ -207,7 +207,7 @@ xfs_scrub_quota( xfs_dqid_t id = 0; uint dqtype; int nimaps; - int error; + int error = 0; if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp)) return -ENOENT; diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index a3eeaba156c5..21e2d70884e1 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -399,7 +399,7 @@ xfs_map_blocks( (ip->i_df.if_flags & XFS_IFEXTENTS)); ASSERT(offset <= mp->m_super->s_maxbytes); - if (offset + count > mp->m_super->s_maxbytes) + if ((xfs_ufsize_t)offset + count > mp->m_super->s_maxbytes) count = mp->m_super->s_maxbytes - offset; end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count); offset_fsb = XFS_B_TO_FSBT(mp, offset); @@ -896,13 +896,13 @@ xfs_writepage_map( struct writeback_control *wbc, struct inode *inode, struct page *page, - loff_t offset, - uint64_t end_offset) + uint64_t end_offset) { LIST_HEAD(submit_list); struct xfs_ioend *ioend, *next; struct buffer_head *bh, *head; ssize_t len = i_blocksize(inode); + uint64_t offset; int error = 0; int count = 0; int uptodate = 1; @@ -1146,7 +1146,7 @@ xfs_do_writepage( end_offset = offset; } - return xfs_writepage_map(wpc, wbc, inode, page, offset, end_offset); + return xfs_writepage_map(wpc, wbc, inode, page, end_offset); redirty: redirty_page_for_writepage(wbc, page); @@ -1265,7 +1265,7 @@ xfs_map_trim_size( if (mapping_size > size) mapping_size = size; if (offset < i_size_read(inode) && - offset + mapping_size >= i_size_read(inode)) { + (xfs_ufsize_t)offset + mapping_size >= i_size_read(inode)) { /* limit mapping to block that spans EOF */ mapping_size = roundup_64(i_size_read(inode) - offset, i_blocksize(inode)); @@ -1312,7 +1312,7 @@ xfs_get_blocks( lockmode = xfs_ilock_data_map_shared(ip); ASSERT(offset <= mp->m_super->s_maxbytes); - if (offset + size > mp->m_super->s_maxbytes) + if ((xfs_ufsize_t)offset + size > mp->m_super->s_maxbytes) size = mp->m_super->s_maxbytes - offset; end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + size); offset_fsb = XFS_B_TO_FSBT(mp, offset); diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c index dd136f7275e4..e5fb008d75e8 100644 --- a/fs/xfs/xfs_bmap_item.c +++ b/fs/xfs/xfs_bmap_item.c @@ -389,7 +389,8 @@ xfs_bud_init( int xfs_bui_recover( struct xfs_mount *mp, - struct xfs_bui_log_item *buip) + struct xfs_bui_log_item *buip, + struct xfs_defer_ops *dfops) { int error = 0; unsigned int bui_type; @@ -404,9 +405,7 @@ xfs_bui_recover( xfs_exntst_t state; struct xfs_trans *tp; struct xfs_inode *ip = NULL; - struct xfs_defer_ops dfops; struct xfs_bmbt_irec irec; - xfs_fsblock_t firstfsb; ASSERT(!test_bit(XFS_BUI_RECOVERED, &buip->bui_flags)); @@ -464,7 +463,6 @@ xfs_bui_recover( if (VFS_I(ip)->i_nlink == 0) xfs_iflags_set(ip, XFS_IRECOVERY); - xfs_defer_init(&dfops, &firstfsb); /* Process deferred bmap item. */ state = (bmap->me_flags & XFS_BMAP_EXTENT_UNWRITTEN) ? @@ -479,16 +477,16 @@ xfs_bui_recover( break; default: error = -EFSCORRUPTED; - goto err_dfops; + goto err_inode; } xfs_trans_ijoin(tp, ip, 0); count = bmap->me_len; - error = xfs_trans_log_finish_bmap_update(tp, budp, &dfops, type, + error = xfs_trans_log_finish_bmap_update(tp, budp, dfops, type, ip, whichfork, bmap->me_startoff, bmap->me_startblock, &count, state); if (error) - goto err_dfops; + goto err_inode; if (count > 0) { ASSERT(type == XFS_BMAP_UNMAP); @@ -496,16 +494,11 @@ xfs_bui_recover( irec.br_blockcount = count; irec.br_startoff = bmap->me_startoff; irec.br_state = state; - error = xfs_bmap_unmap_extent(tp->t_mountp, &dfops, ip, &irec); + error = xfs_bmap_unmap_extent(tp->t_mountp, dfops, ip, &irec); if (error) - goto err_dfops; + goto err_inode; } - /* Finish transaction, free inodes. */ - error = xfs_defer_finish(&tp, &dfops); - if (error) - goto err_dfops; - set_bit(XFS_BUI_RECOVERED, &buip->bui_flags); error = xfs_trans_commit(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -513,8 +506,6 @@ xfs_bui_recover( return error; -err_dfops: - xfs_defer_cancel(&dfops); err_inode: xfs_trans_cancel(tp); if (ip) { diff --git a/fs/xfs/xfs_bmap_item.h b/fs/xfs/xfs_bmap_item.h index c867daae4a3c..24b354a2c836 100644 --- a/fs/xfs/xfs_bmap_item.h +++ b/fs/xfs/xfs_bmap_item.h @@ -93,6 +93,7 @@ struct xfs_bud_log_item *xfs_bud_init(struct xfs_mount *, struct xfs_bui_log_item *); void xfs_bui_item_free(struct xfs_bui_log_item *); void xfs_bui_release(struct xfs_bui_log_item *); -int xfs_bui_recover(struct xfs_mount *mp, struct xfs_bui_log_item *buip); +int xfs_bui_recover(struct xfs_mount *mp, struct xfs_bui_log_item *buip, + struct xfs_defer_ops *dfops); #endif /* __XFS_BMAP_ITEM_H__ */ diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 4db6e8d780f6..4c6e86d861fd 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1815,22 +1815,27 @@ xfs_alloc_buftarg( btp->bt_daxdev = dax_dev; if (xfs_setsize_buftarg_early(btp, bdev)) - goto error; + goto error_free; if (list_lru_init(&btp->bt_lru)) - goto error; + goto error_free; if (percpu_counter_init(&btp->bt_io_count, 0, GFP_KERNEL)) - goto error; + goto error_lru; btp->bt_shrinker.count_objects = xfs_buftarg_shrink_count; btp->bt_shrinker.scan_objects = xfs_buftarg_shrink_scan; btp->bt_shrinker.seeks = DEFAULT_SEEKS; btp->bt_shrinker.flags = SHRINKER_NUMA_AWARE; - register_shrinker(&btp->bt_shrinker); + if (register_shrinker(&btp->bt_shrinker)) + goto error_pcpu; return btp; -error: +error_pcpu: + percpu_counter_destroy(&btp->bt_io_count); +error_lru: + list_lru_destroy(&btp->bt_lru); +error_free: kmem_free(btp); return NULL; } diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index d57c2db64e59..f248708c10ff 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -970,14 +970,22 @@ xfs_qm_dqflush_done( * holding the lock before removing the dquot from the AIL. */ if ((lip->li_flags & XFS_LI_IN_AIL) && - lip->li_lsn == qip->qli_flush_lsn) { + ((lip->li_lsn == qip->qli_flush_lsn) || + (lip->li_flags & XFS_LI_FAILED))) { /* xfs_trans_ail_delete() drops the AIL lock. */ spin_lock(&ailp->xa_lock); - if (lip->li_lsn == qip->qli_flush_lsn) + if (lip->li_lsn == qip->qli_flush_lsn) { xfs_trans_ail_delete(ailp, lip, SHUTDOWN_CORRUPT_INCORE); - else + } else { + /* + * Clear the failed state since we are about to drop the + * flush lock + */ + if (lip->li_flags & XFS_LI_FAILED) + xfs_clear_li_failed(lip); spin_unlock(&ailp->xa_lock); + } } /* diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c index 2c7a1629e064..664dea105e76 100644 --- a/fs/xfs/xfs_dquot_item.c +++ b/fs/xfs/xfs_dquot_item.c @@ -137,6 +137,26 @@ xfs_qm_dqunpin_wait( wait_event(dqp->q_pinwait, (atomic_read(&dqp->q_pincount) == 0)); } +/* + * Callback used to mark a buffer with XFS_LI_FAILED when items in the buffer + * have been failed during writeback + * + * this informs the AIL that the dquot is already flush locked on the next push, + * and acquires a hold on the buffer to ensure that it isn't reclaimed before + * dirty data makes it to disk. + */ +STATIC void +xfs_dquot_item_error( + struct xfs_log_item *lip, + struct xfs_buf *bp) +{ + struct xfs_dquot *dqp; + + dqp = DQUOT_ITEM(lip)->qli_dquot; + ASSERT(!completion_done(&dqp->q_flush)); + xfs_set_li_failed(lip, bp); +} + STATIC uint xfs_qm_dquot_logitem_push( struct xfs_log_item *lip, @@ -144,13 +164,28 @@ xfs_qm_dquot_logitem_push( __acquires(&lip->li_ailp->xa_lock) { struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot; - struct xfs_buf *bp = NULL; + struct xfs_buf *bp = lip->li_buf; uint rval = XFS_ITEM_SUCCESS; int error; if (atomic_read(&dqp->q_pincount) > 0) return XFS_ITEM_PINNED; + /* + * The buffer containing this item failed to be written back + * previously. Resubmit the buffer for IO + */ + if (lip->li_flags & XFS_LI_FAILED) { + if (!xfs_buf_trylock(bp)) + return XFS_ITEM_LOCKED; + + if (!xfs_buf_resubmit_failed_buffers(bp, lip, buffer_list)) + rval = XFS_ITEM_FLUSHING; + + xfs_buf_unlock(bp); + return rval; + } + if (!xfs_dqlock_nowait(dqp)) return XFS_ITEM_LOCKED; @@ -242,7 +277,8 @@ static const struct xfs_item_ops xfs_dquot_item_ops = { .iop_unlock = xfs_qm_dquot_logitem_unlock, .iop_committed = xfs_qm_dquot_logitem_committed, .iop_push = xfs_qm_dquot_logitem_push, - .iop_committing = xfs_qm_dquot_logitem_committing + .iop_committing = xfs_qm_dquot_logitem_committing, + .iop_error = xfs_dquot_item_error }; /* diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 61d1cb7dc10d..801274126648 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2401,6 +2401,24 @@ retry: } /* + * Free any local-format buffers sitting around before we reset to + * extents format. + */ +static inline void +xfs_ifree_local_data( + struct xfs_inode *ip, + int whichfork) +{ + struct xfs_ifork *ifp; + + if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL) + return; + + ifp = XFS_IFORK_PTR(ip, whichfork); + xfs_idata_realloc(ip, -ifp->if_bytes, whichfork); +} + +/* * This is called to return an inode to the inode free list. * The inode should already be truncated to 0 length and have * no pages associated with it. This routine also assumes that @@ -2437,6 +2455,9 @@ xfs_ifree( if (error) return error; + xfs_ifree_local_data(ip, XFS_DATA_FORK); + xfs_ifree_local_data(ip, XFS_ATTR_FORK); + VFS_I(ip)->i_mode = 0; /* mark incore inode as free */ ip->i_d.di_flags = 0; ip->i_d.di_dmevmask = 0; diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 38d4227895ae..a503af96d780 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -781,17 +781,17 @@ xfs_log_mount_finish( * something to an unlinked inode, the irele won't cause * premature truncation and freeing of the inode, which results * in log recovery failure. We have to evict the unreferenced - * lru inodes after clearing MS_ACTIVE because we don't + * lru inodes after clearing SB_ACTIVE because we don't * otherwise clean up the lru if there's a subsequent failure in * xfs_mountfs, which leads to us leaking the inodes if nothing * else (e.g. quotacheck) references the inodes before the * mount failure occurs. */ - mp->m_super->s_flags |= MS_ACTIVE; + mp->m_super->s_flags |= SB_ACTIVE; error = xlog_recover_finish(mp->m_log); if (!error) xfs_log_work_queue(mp); - mp->m_super->s_flags &= ~MS_ACTIVE; + mp->m_super->s_flags &= ~SB_ACTIVE; evict_inodes(mp->m_super); /* diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 87b1c331f9eb..28d1abfe835e 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -24,6 +24,7 @@ #include "xfs_bit.h" #include "xfs_sb.h" #include "xfs_mount.h" +#include "xfs_defer.h" #include "xfs_da_format.h" #include "xfs_da_btree.h" #include "xfs_inode.h" @@ -4716,7 +4717,8 @@ STATIC int xlog_recover_process_cui( struct xfs_mount *mp, struct xfs_ail *ailp, - struct xfs_log_item *lip) + struct xfs_log_item *lip, + struct xfs_defer_ops *dfops) { struct xfs_cui_log_item *cuip; int error; @@ -4729,7 +4731,7 @@ xlog_recover_process_cui( return 0; spin_unlock(&ailp->xa_lock); - error = xfs_cui_recover(mp, cuip); + error = xfs_cui_recover(mp, cuip, dfops); spin_lock(&ailp->xa_lock); return error; @@ -4756,7 +4758,8 @@ STATIC int xlog_recover_process_bui( struct xfs_mount *mp, struct xfs_ail *ailp, - struct xfs_log_item *lip) + struct xfs_log_item *lip, + struct xfs_defer_ops *dfops) { struct xfs_bui_log_item *buip; int error; @@ -4769,7 +4772,7 @@ xlog_recover_process_bui( return 0; spin_unlock(&ailp->xa_lock); - error = xfs_bui_recover(mp, buip); + error = xfs_bui_recover(mp, buip, dfops); spin_lock(&ailp->xa_lock); return error; @@ -4805,6 +4808,46 @@ static inline bool xlog_item_is_intent(struct xfs_log_item *lip) } } +/* Take all the collected deferred ops and finish them in order. */ +static int +xlog_finish_defer_ops( + struct xfs_mount *mp, + struct xfs_defer_ops *dfops) +{ + struct xfs_trans *tp; + int64_t freeblks; + uint resblks; + int error; + + /* + * We're finishing the defer_ops that accumulated as a result of + * recovering unfinished intent items during log recovery. We + * reserve an itruncate transaction because it is the largest + * permanent transaction type. Since we're the only user of the fs + * right now, take 93% (15/16) of the available free blocks. Use + * weird math to avoid a 64-bit division. + */ + freeblks = percpu_counter_sum(&mp->m_fdblocks); + if (freeblks <= 0) + return -ENOSPC; + resblks = min_t(int64_t, UINT_MAX, freeblks); + resblks = (resblks * 15) >> 4; + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, resblks, + 0, XFS_TRANS_RESERVE, &tp); + if (error) + return error; + + error = xfs_defer_finish(&tp, dfops); + if (error) + goto out_cancel; + + return xfs_trans_commit(tp); + +out_cancel: + xfs_trans_cancel(tp); + return error; +} + /* * When this is called, all of the log intent items which did not have * corresponding log done items should be in the AIL. What we do now @@ -4825,10 +4868,12 @@ STATIC int xlog_recover_process_intents( struct xlog *log) { - struct xfs_log_item *lip; - int error = 0; + struct xfs_defer_ops dfops; struct xfs_ail_cursor cur; + struct xfs_log_item *lip; struct xfs_ail *ailp; + xfs_fsblock_t firstfsb; + int error = 0; #if defined(DEBUG) || defined(XFS_WARN) xfs_lsn_t last_lsn; #endif @@ -4839,6 +4884,7 @@ xlog_recover_process_intents( #if defined(DEBUG) || defined(XFS_WARN) last_lsn = xlog_assign_lsn(log->l_curr_cycle, log->l_curr_block); #endif + xfs_defer_init(&dfops, &firstfsb); while (lip != NULL) { /* * We're done when we see something other than an intent. @@ -4859,6 +4905,12 @@ xlog_recover_process_intents( */ ASSERT(XFS_LSN_CMP(last_lsn, lip->li_lsn) >= 0); + /* + * NOTE: If your intent processing routine can create more + * deferred ops, you /must/ attach them to the dfops in this + * routine or else those subsequent intents will get + * replayed in the wrong order! + */ switch (lip->li_type) { case XFS_LI_EFI: error = xlog_recover_process_efi(log->l_mp, ailp, lip); @@ -4867,10 +4919,12 @@ xlog_recover_process_intents( error = xlog_recover_process_rui(log->l_mp, ailp, lip); break; case XFS_LI_CUI: - error = xlog_recover_process_cui(log->l_mp, ailp, lip); + error = xlog_recover_process_cui(log->l_mp, ailp, lip, + &dfops); break; case XFS_LI_BUI: - error = xlog_recover_process_bui(log->l_mp, ailp, lip); + error = xlog_recover_process_bui(log->l_mp, ailp, lip, + &dfops); break; } if (error) @@ -4880,6 +4934,11 @@ xlog_recover_process_intents( out: xfs_trans_ail_cursor_done(&cur); spin_unlock(&ailp->xa_lock); + if (error) + xfs_defer_cancel(&dfops); + else + error = xlog_finish_defer_ops(log->l_mp, &dfops); + return error; } diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c index 8f2e2fac4255..3a55d6fc271b 100644 --- a/fs/xfs/xfs_refcount_item.c +++ b/fs/xfs/xfs_refcount_item.c @@ -393,7 +393,8 @@ xfs_cud_init( int xfs_cui_recover( struct xfs_mount *mp, - struct xfs_cui_log_item *cuip) + struct xfs_cui_log_item *cuip, + struct xfs_defer_ops *dfops) { int i; int error = 0; @@ -405,11 +406,9 @@ xfs_cui_recover( struct xfs_trans *tp; struct xfs_btree_cur *rcur = NULL; enum xfs_refcount_intent_type type; - xfs_fsblock_t firstfsb; xfs_fsblock_t new_fsb; xfs_extlen_t new_len; struct xfs_bmbt_irec irec; - struct xfs_defer_ops dfops; bool requeue_only = false; ASSERT(!test_bit(XFS_CUI_RECOVERED, &cuip->cui_flags)); @@ -465,7 +464,6 @@ xfs_cui_recover( return error; cudp = xfs_trans_get_cud(tp, cuip); - xfs_defer_init(&dfops, &firstfsb); for (i = 0; i < cuip->cui_format.cui_nextents; i++) { refc = &cuip->cui_format.cui_extents[i]; refc_type = refc->pe_flags & XFS_REFCOUNT_EXTENT_TYPE_MASK; @@ -485,7 +483,7 @@ xfs_cui_recover( new_len = refc->pe_len; } else error = xfs_trans_log_finish_refcount_update(tp, cudp, - &dfops, type, refc->pe_startblock, refc->pe_len, + dfops, type, refc->pe_startblock, refc->pe_len, &new_fsb, &new_len, &rcur); if (error) goto abort_error; @@ -497,21 +495,21 @@ xfs_cui_recover( switch (type) { case XFS_REFCOUNT_INCREASE: error = xfs_refcount_increase_extent( - tp->t_mountp, &dfops, &irec); + tp->t_mountp, dfops, &irec); break; case XFS_REFCOUNT_DECREASE: error = xfs_refcount_decrease_extent( - tp->t_mountp, &dfops, &irec); + tp->t_mountp, dfops, &irec); break; case XFS_REFCOUNT_ALLOC_COW: error = xfs_refcount_alloc_cow_extent( - tp->t_mountp, &dfops, + tp->t_mountp, dfops, irec.br_startblock, irec.br_blockcount); break; case XFS_REFCOUNT_FREE_COW: error = xfs_refcount_free_cow_extent( - tp->t_mountp, &dfops, + tp->t_mountp, dfops, irec.br_startblock, irec.br_blockcount); break; @@ -525,17 +523,12 @@ xfs_cui_recover( } xfs_refcount_finish_one_cleanup(tp, rcur, error); - error = xfs_defer_finish(&tp, &dfops); - if (error) - goto abort_defer; set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags); error = xfs_trans_commit(tp); return error; abort_error: xfs_refcount_finish_one_cleanup(tp, rcur, error); -abort_defer: - xfs_defer_cancel(&dfops); xfs_trans_cancel(tp); return error; } diff --git a/fs/xfs/xfs_refcount_item.h b/fs/xfs/xfs_refcount_item.h index 5b74dddfa64b..0e5327349a13 100644 --- a/fs/xfs/xfs_refcount_item.h +++ b/fs/xfs/xfs_refcount_item.h @@ -96,6 +96,7 @@ struct xfs_cud_log_item *xfs_cud_init(struct xfs_mount *, struct xfs_cui_log_item *); void xfs_cui_item_free(struct xfs_cui_log_item *); void xfs_cui_release(struct xfs_cui_log_item *); -int xfs_cui_recover(struct xfs_mount *mp, struct xfs_cui_log_item *cuip); +int xfs_cui_recover(struct xfs_mount *mp, struct xfs_cui_log_item *cuip, + struct xfs_defer_ops *dfops); #endif /* __XFS_REFCOUNT_ITEM_H__ */ diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index f663022353c0..5122d3021117 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -212,9 +212,9 @@ xfs_parseargs( */ if (sb_rdonly(sb)) mp->m_flags |= XFS_MOUNT_RDONLY; - if (sb->s_flags & MS_DIRSYNC) + if (sb->s_flags & SB_DIRSYNC) mp->m_flags |= XFS_MOUNT_DIRSYNC; - if (sb->s_flags & MS_SYNCHRONOUS) + if (sb->s_flags & SB_SYNCHRONOUS) mp->m_flags |= XFS_MOUNT_WSYNC; /* @@ -1312,7 +1312,7 @@ xfs_fs_remount( } /* ro -> rw */ - if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & MS_RDONLY)) { + if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & SB_RDONLY)) { if (mp->m_flags & XFS_MOUNT_NORECOVERY) { xfs_warn(mp, "ro->rw transition prohibited on norecovery mount"); @@ -1368,7 +1368,7 @@ xfs_fs_remount( } /* rw -> ro */ - if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & MS_RDONLY)) { + if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & SB_RDONLY)) { /* Free the per-AG metadata reservation pool. */ error = xfs_fs_unreserve_ag_blocks(mp); if (error) { diff --git a/fs/xfs/xfs_super.h b/fs/xfs/xfs_super.h index 5f2f32408011..fcc5dfc70aa0 100644 --- a/fs/xfs/xfs_super.h +++ b/fs/xfs/xfs_super.h @@ -30,7 +30,7 @@ extern void xfs_qm_exit(void); #ifdef CONFIG_XFS_POSIX_ACL # define XFS_ACL_STRING "ACLs, " -# define set_posix_acl_flag(sb) ((sb)->s_flags |= MS_POSIXACL) +# define set_posix_acl_flag(sb) ((sb)->s_flags |= SB_POSIXACL) #else # define XFS_ACL_STRING # define set_posix_acl_flag(sb) do { } while (0) diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index f849be28e082..79287629c888 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -105,6 +105,7 @@ enum acpi_bus_device_type { ACPI_BUS_TYPE_THERMAL, ACPI_BUS_TYPE_POWER_BUTTON, ACPI_BUS_TYPE_SLEEP_BUTTON, + ACPI_BUS_TYPE_ECDT_EC, ACPI_BUS_DEVICE_TYPE_COUNT }; diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h index 29c691265b49..14499757338f 100644 --- a/include/acpi/acpi_drivers.h +++ b/include/acpi/acpi_drivers.h @@ -58,6 +58,7 @@ #define ACPI_VIDEO_HID "LNXVIDEO" #define ACPI_BAY_HID "LNXIOBAY" #define ACPI_DOCK_HID "LNXDOCK" +#define ACPI_ECDT_HID "LNXEC" /* Quirk for broken IBM BIOSes */ #define ACPI_SMBUS_IBM_HID "SMBUSIBM" diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 757dc6ffc7ba..b234d54f2cb6 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -805,15 +805,23 @@ static inline int pmd_trans_huge(pmd_t pmd) { return 0; } -#ifndef __HAVE_ARCH_PMD_WRITE +#ifndef pmd_write static inline int pmd_write(pmd_t pmd) { BUG(); return 0; } -#endif /* __HAVE_ARCH_PMD_WRITE */ +#endif /* pmd_write */ #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ +#ifndef pud_write +static inline int pud_write(pud_t pud) +{ + BUG(); + return 0; +} +#endif /* pud_write */ + #if !defined(CONFIG_TRANSPARENT_HUGEPAGE) || \ (defined(CONFIG_TRANSPARENT_HUGEPAGE) && \ !defined(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD)) diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h index 6abf0a3604dc..a50bdb9d7cfd 100644 --- a/include/crypto/if_alg.h +++ b/include/crypto/if_alg.h @@ -242,8 +242,9 @@ int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size, unsigned int ivsize); ssize_t af_alg_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags); +void af_alg_free_resources(struct af_alg_async_req *areq); void af_alg_async_cb(struct crypto_async_request *_req, int err); -unsigned int af_alg_poll(struct file *file, struct socket *sock, +__poll_t af_alg_poll(struct file *file, struct socket *sock, poll_table *wait); struct af_alg_async_req *af_alg_alloc_areq(struct sock *sk, unsigned int areqlen); diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 6f35909b8add..2ec41d032e56 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -362,7 +362,8 @@ void drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, const struct drm_display_mode *mode, enum hdmi_quantization_range rgb_quant_range, - bool rgb_quant_range_selectable); + bool rgb_quant_range_selectable, + bool is_hdmi2_sink); /** * drm_eld_mnl - Get ELD monitor name length in bytes. diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h index 0e0c868451a5..5176c3797680 100644 --- a/include/drm/drm_file.h +++ b/include/drm/drm_file.h @@ -364,7 +364,7 @@ int drm_open(struct inode *inode, struct file *filp); ssize_t drm_read(struct file *filp, char __user *buffer, size_t count, loff_t *offset); int drm_release(struct inode *inode, struct file *filp); -unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); +__poll_t drm_poll(struct file *filp, struct poll_table_struct *wait); int drm_event_reserve_init_locked(struct drm_device *dev, struct drm_file *file_priv, struct drm_pending_event *p, diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h index 38a2b4770c35..593811362a91 100644 --- a/include/drm/ttm/ttm_page_alloc.h +++ b/include/drm/ttm/ttm_page_alloc.h @@ -59,11 +59,20 @@ int ttm_pool_populate(struct ttm_tt *ttm); void ttm_pool_unpopulate(struct ttm_tt *ttm); /** + * Populates and DMA maps pages to fullfil a ttm_dma_populate() request + */ +int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt); + +/** + * Unpopulates and DMA unmaps pages as part of a + * ttm_dma_unpopulate() request */ +void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt); + +/** * Output the state of pools to debugfs file */ int ttm_page_alloc_debugfs(struct seq_file *m, void *data); - #if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU) /** * Initialize pool allocator. @@ -83,17 +92,6 @@ int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data); int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev); void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev); - -/** - * Populates and DMA maps pages to fullfil a ttm_dma_populate() request - */ -int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt); - -/** - * Unpopulates and DMA unmaps pages as part of a - * ttm_dma_unpopulate() request */ -void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt); - #else static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages) @@ -116,16 +114,6 @@ static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) { } - -static inline int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt) -{ - return -ENOMEM; -} - -static inline void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt) -{ -} - #endif #endif diff --git a/include/linux/bitfield.h b/include/linux/bitfield.h index 1030651f8309..cf2588d81148 100644 --- a/include/linux/bitfield.h +++ b/include/linux/bitfield.h @@ -16,6 +16,7 @@ #define _LINUX_BITFIELD_H #include <linux/build_bug.h> +#include <asm/byteorder.h> /* * Bitfield access macros @@ -103,4 +104,49 @@ (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \ }) +extern void __compiletime_warning("value doesn't fit into mask") +__field_overflow(void); +extern void __compiletime_error("bad bitfield mask") +__bad_mask(void); +static __always_inline u64 field_multiplier(u64 field) +{ + if ((field | (field - 1)) & ((field | (field - 1)) + 1)) + __bad_mask(); + return field & -field; +} +static __always_inline u64 field_mask(u64 field) +{ + return field / field_multiplier(field); +} +#define ____MAKE_OP(type,base,to,from) \ +static __always_inline __##type type##_encode_bits(base v, base field) \ +{ \ + if (__builtin_constant_p(v) && (v & ~field_multiplier(field))) \ + __field_overflow(); \ + return to((v & field_mask(field)) * field_multiplier(field)); \ +} \ +static __always_inline __##type type##_replace_bits(__##type old, \ + base val, base field) \ +{ \ + return (old & ~to(field)) | type##_encode_bits(val, field); \ +} \ +static __always_inline void type##p_replace_bits(__##type *p, \ + base val, base field) \ +{ \ + *p = (*p & ~to(field)) | type##_encode_bits(val, field); \ +} \ +static __always_inline base type##_get_bits(__##type v, base field) \ +{ \ + return (from(v) & field)/field_multiplier(field); \ +} +#define __MAKE_OP(size) \ + ____MAKE_OP(le##size,u##size,cpu_to_le##size,le##size##_to_cpu) \ + ____MAKE_OP(be##size,u##size,cpu_to_be##size,be##size##_to_cpu) \ + ____MAKE_OP(u##size,u##size,,) +__MAKE_OP(16) +__MAKE_OP(32) +__MAKE_OP(64) +#undef __MAKE_OP +#undef ____MAKE_OP + #endif diff --git a/include/linux/bpf.h b/include/linux/bpf.h index e55e4255a210..b63a592ad29d 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -419,6 +419,8 @@ static inline int bpf_map_attr_numa_node(const union bpf_attr *attr) attr->numa_node : NUMA_NO_NODE; } +struct bpf_prog *bpf_prog_get_type_path(const char *name, enum bpf_prog_type type); + #else /* !CONFIG_BPF_SYSCALL */ static inline struct bpf_prog *bpf_prog_get(u32 ufd) { @@ -506,6 +508,12 @@ static inline int cpu_map_enqueue(struct bpf_cpu_map_entry *rcpu, { return 0; } + +static inline struct bpf_prog *bpf_prog_get_type_path(const char *name, + enum bpf_prog_type type) +{ + return ERR_PTR(-EOPNOTSUPP); +} #endif /* CONFIG_BPF_SYSCALL */ static inline struct bpf_prog *bpf_prog_get_type(u32 ufd, @@ -514,6 +522,8 @@ static inline struct bpf_prog *bpf_prog_get_type(u32 ufd, return bpf_prog_get_type_dev(ufd, type, false); } +bool bpf_prog_get_ok(struct bpf_prog *, enum bpf_prog_type *, bool); + int bpf_prog_offload_compile(struct bpf_prog *prog); void bpf_prog_offload_destroy(struct bpf_prog *prog); diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 79f27d60ec66..085db2fee2d7 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -301,7 +301,7 @@ struct dma_buf { struct dma_fence_cb cb; wait_queue_head_t *poll; - unsigned long active; + __poll_t active; } cb_excl, cb_shared; }; diff --git a/include/linux/fs.h b/include/linux/fs.h index 2995a271ec46..3e52d1383d60 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1359,7 +1359,7 @@ struct super_block { const struct fscrypt_operations *s_cop; - struct hlist_bl_head s_anon; /* anonymous dentries for (nfs) exporting */ + struct hlist_bl_head s_roots; /* alternate root dentries for NFS */ struct list_head s_mounts; /* list of mounts; _not_ for fs use */ struct block_device *s_bdev; struct backing_dev_info *s_bdi; @@ -1608,6 +1608,10 @@ extern int vfs_whiteout(struct inode *, struct dentry *); extern struct dentry *vfs_tmpfile(struct dentry *dentry, umode_t mode, int open_flag); +int vfs_mkobj(struct dentry *, umode_t, + int (*f)(struct dentry *, umode_t, void *), + void *); + /* * VFS file helper functions. */ @@ -1698,7 +1702,7 @@ struct file_operations { ssize_t (*write_iter) (struct kiocb *, struct iov_iter *); int (*iterate) (struct file *, struct dir_context *); int (*iterate_shared) (struct file *, struct dir_context *); - unsigned int (*poll) (struct file *, struct poll_table_struct *); + __poll_t (*poll) (struct file *, struct poll_table_struct *); long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long); long (*compat_ioctl) (struct file *, unsigned int, unsigned long); int (*mmap) (struct file *, struct vm_area_struct *); @@ -1872,7 +1876,7 @@ struct super_operations { */ #define __IS_FLG(inode, flg) ((inode)->i_sb->s_flags & (flg)) -static inline bool sb_rdonly(const struct super_block *sb) { return sb->s_flags & MS_RDONLY; } +static inline bool sb_rdonly(const struct super_block *sb) { return sb->s_flags & SB_RDONLY; } #define IS_RDONLY(inode) sb_rdonly((inode)->i_sb) #define IS_SYNC(inode) (__IS_FLG(inode, SB_SYNCHRONOUS) || \ ((inode)->i_flags & S_SYNC)) @@ -3088,7 +3092,8 @@ static inline int vfs_lstat(const char __user *name, struct kstat *stat) static inline int vfs_fstatat(int dfd, const char __user *filename, struct kstat *stat, int flags) { - return vfs_statx(dfd, filename, flags, stat, STATX_BASIC_STATS); + return vfs_statx(dfd, filename, flags | AT_NO_AUTOMOUNT, + stat, STATX_BASIC_STATS); } static inline int vfs_fstat(int fd, struct kstat *stat) { @@ -3194,6 +3199,20 @@ static inline bool vma_is_dax(struct vm_area_struct *vma) return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host); } +static inline bool vma_is_fsdax(struct vm_area_struct *vma) +{ + struct inode *inode; + + if (!vma->vm_file) + return false; + if (!vma_is_dax(vma)) + return false; + inode = file_inode(vma->vm_file); + if (inode->i_mode == S_IFCHR) + return false; /* device-dax */ + return true; +} + static inline int iocb_flags(struct file *file) { int res = 0; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index fbf5b31d47ee..82a25880714a 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -239,14 +239,6 @@ static inline int pgd_write(pgd_t pgd) } #endif -#ifndef pud_write -static inline int pud_write(pud_t pud) -{ - BUG(); - return 0; -} -#endif - #define HUGETLB_ANON_FILE "anon_hugepage" enum { diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 708f337d780b..bd118a6c60cb 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -14,12 +14,6 @@ #define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s]") + (KSYM_NAME_LEN - 1) + \ 2*(BITS_PER_LONG*3/10) + (MODULE_NAME_LEN - 1) + 1) -#ifndef CONFIG_64BIT -# define KALLSYM_FMT "%08lx" -#else -# define KALLSYM_FMT "%016lx" -#endif - struct module; #ifdef CONFIG_KALLSYMS diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 2e754b7c282c..893d6d606cd0 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -715,6 +715,9 @@ int kvm_vcpu_write_guest(struct kvm_vcpu *vcpu, gpa_t gpa, const void *data, unsigned long len); void kvm_vcpu_mark_page_dirty(struct kvm_vcpu *vcpu, gfn_t gfn); +void kvm_sigset_activate(struct kvm_vcpu *vcpu); +void kvm_sigset_deactivate(struct kvm_vcpu *vcpu); + void kvm_vcpu_block(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu); diff --git a/include/lib/libgcc.h b/include/linux/libgcc.h index 32e1e0f4b2d0..32e1e0f4b2d0 100644 --- a/include/lib/libgcc.h +++ b/include/linux/libgcc.h diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 895ec0c4942e..a2246cf670ba 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -54,7 +54,7 @@ static inline struct page *new_page_nodemask(struct page *page, new_page = __alloc_pages_nodemask(gfp_mask, order, preferred_nid, nodemask); - if (new_page && PageTransHuge(page)) + if (new_page && PageTransHuge(new_page)) prep_transhuge_page(new_page); return new_page; diff --git a/include/linux/mm.h b/include/linux/mm.h index ee073146aaa7..ea818ff739cd 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -377,6 +377,7 @@ enum page_entry_size { struct vm_operations_struct { void (*open)(struct vm_area_struct * area); void (*close)(struct vm_area_struct * area); + int (*split)(struct vm_area_struct * area, unsigned long addr); int (*mremap)(struct vm_area_struct * area); int (*fault)(struct vm_fault *vmf); int (*huge_fault)(struct vm_fault *vmf, enum page_entry_size pe_size); @@ -1379,6 +1380,19 @@ long get_user_pages_locked(unsigned long start, unsigned long nr_pages, unsigned int gup_flags, struct page **pages, int *locked); long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages, struct page **pages, unsigned int gup_flags); +#ifdef CONFIG_FS_DAX +long get_user_pages_longterm(unsigned long start, unsigned long nr_pages, + unsigned int gup_flags, struct page **pages, + struct vm_area_struct **vmas); +#else +static inline long get_user_pages_longterm(unsigned long start, + unsigned long nr_pages, unsigned int gup_flags, + struct page **pages, struct vm_area_struct **vmas) +{ + return get_user_pages(start, nr_pages, gup_flags, pages, vmas); +} +#endif /* CONFIG_FS_DAX */ + int get_user_pages_fast(unsigned long start, int nr_pages, int write, struct page **pages); diff --git a/include/linux/net.h b/include/linux/net.h index caeb159abda5..c2d468cb9821 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -147,7 +147,7 @@ struct proto_ops { int (*getname) (struct socket *sock, struct sockaddr *addr, int *sockaddr_len, int peer); - unsigned int (*poll) (struct file *file, struct socket *sock, + __poll_t (*poll) (struct file *file, struct socket *sock, struct poll_table_struct *wait); int (*ioctl) (struct socket *sock, unsigned int cmd, unsigned long arg); diff --git a/include/linux/poll.h b/include/linux/poll.h index d384f12abdd5..04781a753326 100644 --- a/include/linux/poll.h +++ b/include/linux/poll.h @@ -37,7 +37,7 @@ typedef void (*poll_queue_proc)(struct file *, wait_queue_head_t *, struct poll_ */ typedef struct poll_table_struct { poll_queue_proc _qproc; - unsigned long _key; + __poll_t _key; } poll_table; static inline void poll_wait(struct file * filp, wait_queue_head_t * wait_address, poll_table *p) @@ -62,20 +62,20 @@ static inline bool poll_does_not_wait(const poll_table *p) * to be started implicitly on poll(). You typically only want to do that * if the application is actually polling for POLLIN and/or POLLOUT. */ -static inline unsigned long poll_requested_events(const poll_table *p) +static inline __poll_t poll_requested_events(const poll_table *p) { - return p ? p->_key : ~0UL; + return p ? p->_key : ~(__poll_t)0; } static inline void init_poll_funcptr(poll_table *pt, poll_queue_proc qproc) { pt->_qproc = qproc; - pt->_key = ~0UL; /* all events enabled */ + pt->_key = ~(__poll_t)0; /* all events enabled */ } struct poll_table_entry { struct file *filp; - unsigned long key; + __poll_t key; wait_queue_entry_t wait; wait_queue_head_t *wait_address; }; diff --git a/include/linux/posix-clock.h b/include/linux/posix-clock.h index 38d8225510f1..3a3bc71017d5 100644 --- a/include/linux/posix-clock.h +++ b/include/linux/posix-clock.h @@ -68,7 +68,7 @@ struct posix_clock_operations { int (*open) (struct posix_clock *pc, fmode_t f_mode); - uint (*poll) (struct posix_clock *pc, + __poll_t (*poll) (struct posix_clock *pc, struct file *file, poll_table *wait); int (*release) (struct posix_clock *pc); diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 289e4d54e3e0..7d9eb39fa76a 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -96,7 +96,7 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k }) int ring_buffer_wait(struct ring_buffer *buffer, int cpu, bool full); -int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, +__poll_t ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, struct file *filp, poll_table *poll_table); diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index 10d6ae8bbb7d..ca07366c4c33 100644 --- a/include/linux/rpmsg.h +++ b/include/linux/rpmsg.h @@ -157,7 +157,7 @@ int rpmsg_trysendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dst); int rpmsg_trysend_offchannel(struct rpmsg_endpoint *ept, u32 src, u32 dst, void *data, int len); -unsigned int rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp, +__poll_t rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp, poll_table *wait); #else @@ -258,7 +258,7 @@ static inline int rpmsg_trysend_offchannel(struct rpmsg_endpoint *ept, u32 src, return -ENXIO; } -static inline unsigned int rpmsg_poll(struct rpmsg_endpoint *ept, +static inline __poll_t rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp, poll_table *wait) { /* This shouldn't be possible */ diff --git a/include/linux/scif.h b/include/linux/scif.h index 49a35d6edc94..7046111b8d0a 100644 --- a/include/linux/scif.h +++ b/include/linux/scif.h @@ -123,8 +123,8 @@ struct scif_range { */ struct scif_pollepd { scif_epd_t epd; - short events; - short revents; + __poll_t events; + __poll_t revents; }; /** diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index bc486ef23f20..07564bb28c1f 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -3242,7 +3242,7 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags, int *peeked, int *off, int *err); struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock, int *err); -unsigned int datagram_poll(struct file *file, struct socket *sock, +__poll_t datagram_poll(struct file *file, struct socket *sock, struct poll_table_struct *wait); int skb_copy_datagram_iter(const struct sk_buff *from, int offset, struct iov_iter *to, int size); diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index 270bad0e1bed..40d2822f0e2f 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -213,7 +213,7 @@ extern void __init cache_initialize(void); extern int cache_register_net(struct cache_detail *cd, struct net *net); extern void cache_unregister_net(struct cache_detail *cd, struct net *net); -extern struct cache_detail *cache_create_net(struct cache_detail *tmpl, struct net *net); +extern struct cache_detail *cache_create_net(const struct cache_detail *tmpl, struct net *net); extern void cache_destroy_net(struct cache_detail *cd, struct net *net); extern void sunrpc_init_cache_detail(struct cache_detail *cd); diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index 3bc5144b1c7e..1ef64d4ad887 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -187,7 +187,7 @@ struct tty_ldisc_ops { long (*compat_ioctl)(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); void (*set_termios)(struct tty_struct *tty, struct ktermios *old); - unsigned int (*poll)(struct tty_struct *, struct file *, + __poll_t (*poll)(struct tty_struct *, struct file *, struct poll_table_struct *); int (*hangup)(struct tty_struct *tty); diff --git a/include/linux/wait.h b/include/linux/wait.h index 158715445ffb..55a611486bac 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -206,14 +206,16 @@ void __wake_up_sync(struct wait_queue_head *wq_head, unsigned int mode, int nr); /* * Wakeup macros to be used to report events to the targets. */ +#define poll_to_key(m) ((void *)(__force uintptr_t)(__poll_t)(m)) +#define key_to_poll(m) ((__force __poll_t)(uintptr_t)(void *)(m)) #define wake_up_poll(x, m) \ - __wake_up(x, TASK_NORMAL, 1, (void *) (m)) + __wake_up(x, TASK_NORMAL, 1, poll_to_key(m)) #define wake_up_locked_poll(x, m) \ - __wake_up_locked_key((x), TASK_NORMAL, (void *) (m)) + __wake_up_locked_key((x), TASK_NORMAL, poll_to_key(m)) #define wake_up_interruptible_poll(x, m) \ - __wake_up(x, TASK_INTERRUPTIBLE, 1, (void *) (m)) + __wake_up(x, TASK_INTERRUPTIBLE, 1, poll_to_key(m)) #define wake_up_interruptible_sync_poll(x, m) \ - __wake_up_sync_key((x), TASK_INTERRUPTIBLE, 1, (void *) (m)) + __wake_up_sync_key((x), TASK_INTERRUPTIBLE, 1, poll_to_key(m)) #define ___wait_cond_timeout(condition) \ ({ \ diff --git a/include/media/lirc_dev.h b/include/media/lirc_dev.h index 857da67bd931..d9c143d17f70 100644 --- a/include/media/lirc_dev.h +++ b/include/media/lirc_dev.h @@ -185,7 +185,7 @@ void *lirc_get_pdata(struct file *file); */ int lirc_dev_fop_open(struct inode *inode, struct file *file); int lirc_dev_fop_close(struct inode *inode, struct file *file); -unsigned int lirc_dev_fop_poll(struct file *file, poll_table *wait); +__poll_t lirc_dev_fop_poll(struct file *file, poll_table *wait); long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg); ssize_t lirc_dev_fop_read(struct file *file, char __user *buffer, size_t length, loff_t *ppos); diff --git a/include/media/media-devnode.h b/include/media/media-devnode.h index 511615d3bf6f..dc2f64e1b08f 100644 --- a/include/media/media-devnode.h +++ b/include/media/media-devnode.h @@ -56,7 +56,7 @@ struct media_file_operations { struct module *owner; ssize_t (*read) (struct file *, char __user *, size_t, loff_t *); ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); - unsigned int (*poll) (struct file *, struct poll_table_struct *); + __poll_t (*poll) (struct file *, struct poll_table_struct *); long (*ioctl) (struct file *, unsigned int, unsigned long); long (*compat_ioctl) (struct file *, unsigned int, unsigned long); int (*open) (struct file *); diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h index 4d8cb0796bc6..b7e42a1b0910 100644 --- a/include/media/soc_camera.h +++ b/include/media/soc_camera.h @@ -117,7 +117,7 @@ struct soc_camera_host_ops { int (*get_parm)(struct soc_camera_device *, struct v4l2_streamparm *); int (*set_parm)(struct soc_camera_device *, struct v4l2_streamparm *); int (*enum_framesizes)(struct soc_camera_device *, struct v4l2_frmsizeenum *); - unsigned int (*poll)(struct file *, poll_table *); + __poll_t (*poll)(struct file *, poll_table *); }; #define SOCAM_SENSOR_INVERT_PCLK (1 << 0) diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index dacfe54057f8..a9ced6bbee55 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -1037,7 +1037,7 @@ int v4l2_ctrl_subscribe_event(struct v4l2_fh *fh, * @file: pointer to struct file * @wait: pointer to struct poll_table_struct */ -unsigned int v4l2_ctrl_poll(struct file *file, struct poll_table_struct *wait); +__poll_t v4l2_ctrl_poll(struct file *file, struct poll_table_struct *wait); /* Helpers for ioctl_ops */ diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 28a686eb7d09..fa99f6f66712 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -152,7 +152,7 @@ struct v4l2_file_operations { struct module *owner; ssize_t (*read) (struct file *, char __user *, size_t, loff_t *); ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); - unsigned int (*poll) (struct file *, struct poll_table_struct *); + __poll_t (*poll) (struct file *, struct poll_table_struct *); long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long); #ifdef CONFIG_COMPAT long (*compat_ioctl32) (struct file *, unsigned int, unsigned long); diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h index e157d5c9b224..3d07ba3a8262 100644 --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -297,7 +297,7 @@ int v4l2_m2m_streamoff(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, * indicate that a non-blocking write can be performed, while read will be * returned in case of the destination queue. */ -unsigned int v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, +__poll_t v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct poll_table_struct *wait); /** @@ -601,7 +601,7 @@ int v4l2_m2m_ioctl_streamon(struct file *file, void *fh, int v4l2_m2m_ioctl_streamoff(struct file *file, void *fh, enum v4l2_buf_type type); int v4l2_m2m_fop_mmap(struct file *file, struct vm_area_struct *vma); -unsigned int v4l2_m2m_fop_poll(struct file *file, poll_table *wait); +__poll_t v4l2_m2m_fop_poll(struct file *file, poll_table *wait); #endif /* _MEDIA_V4L2_MEM2MEM_H */ diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h index d760aa73ebbb..0bda0adc744f 100644 --- a/include/media/videobuf-core.h +++ b/include/media/videobuf-core.h @@ -219,7 +219,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q, ssize_t videobuf_read_one(struct videobuf_queue *q, char __user *data, size_t count, loff_t *ppos, int nonblocking); -unsigned int videobuf_poll_stream(struct file *file, +__poll_t videobuf_poll_stream(struct file *file, struct videobuf_queue *q, poll_table *wait); diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index ef9b64398c8c..e55efc62a950 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -871,7 +871,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q, * The return values from this function are intended to be directly returned * from poll handler in driver. */ -unsigned int vb2_core_poll(struct vb2_queue *q, struct file *file, +__poll_t vb2_core_poll(struct vb2_queue *q, struct file *file, poll_table *wait); size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count, diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h index 036127c54bbf..c2fa55657440 100644 --- a/include/media/videobuf2-v4l2.h +++ b/include/media/videobuf2-v4l2.h @@ -226,8 +226,7 @@ void vb2_queue_release(struct vb2_queue *q); * The return values from this function are intended to be directly returned * from poll handler in driver. */ -unsigned int vb2_poll(struct vb2_queue *q, struct file *file, - poll_table *wait); +__poll_t vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait); /* * The following functions are not part of the vb2 core API, but are simple @@ -262,7 +261,7 @@ ssize_t vb2_fop_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos); ssize_t vb2_fop_read(struct file *file, char __user *buf, size_t count, loff_t *ppos); -unsigned int vb2_fop_poll(struct file *file, poll_table *wait); +__poll_t vb2_fop_poll(struct file *file, poll_table *wait); #ifndef CONFIG_MMU unsigned long vb2_fop_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags); diff --git a/include/misc/cxl.h b/include/misc/cxl.h index 480d50a0b8ba..b712be544f8c 100644 --- a/include/misc/cxl.h +++ b/include/misc/cxl.h @@ -267,7 +267,7 @@ int cxl_fd_open(struct inode *inode, struct file *file); int cxl_fd_release(struct inode *inode, struct file *file); long cxl_fd_ioctl(struct file *file, unsigned int cmd, unsigned long arg); int cxl_fd_mmap(struct file *file, struct vm_area_struct *vm); -unsigned int cxl_fd_poll(struct file *file, struct poll_table_struct *poll); +__poll_t cxl_fd_poll(struct file *file, struct poll_table_struct *poll); ssize_t cxl_fd_read(struct file *file, char __user *buf, size_t count, loff_t *off); diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index e89cff0c4c23..ec9d6bc65855 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h @@ -271,7 +271,7 @@ int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, int flags); int bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, int flags); -uint bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait); +__poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait); int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo); int bt_sock_wait_ready(struct sock *sk, unsigned long flags); diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 0358745ea059..ec72cdb5bc39 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -305,7 +305,7 @@ void inet_csk_prepare_forced_close(struct sock *sk); /* * LISTEN is a special case for poll.. */ -static inline unsigned int inet_csk_listen_poll(const struct sock *sk) +static inline __poll_t inet_csk_listen_poll(const struct sock *sk) { return !reqsk_queue_empty(&inet_csk(sk)->icsk_accept_queue) ? (POLLIN | POLLRDNORM) : 0; diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h index 070e93a17c59..f4c21b5a1242 100644 --- a/include/net/iucv/af_iucv.h +++ b/include/net/iucv/af_iucv.h @@ -153,7 +153,7 @@ struct iucv_sock_list { atomic_t autobind_name; }; -unsigned int iucv_sock_poll(struct file *file, struct socket *sock, +__poll_t iucv_sock_poll(struct file *file, struct socket *sock, poll_table *wait); void iucv_sock_link(struct iucv_sock_list *l, struct sock *s); void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s); diff --git a/include/net/mac80211.h b/include/net/mac80211.h index cc9073e45be9..eec143cca1c0 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -4470,18 +4470,24 @@ struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw, * ieee80211_nullfunc_get - retrieve a nullfunc template * @hw: pointer obtained from ieee80211_alloc_hw(). * @vif: &struct ieee80211_vif pointer from the add_interface callback. + * @qos_ok: QoS NDP is acceptable to the caller, this should be set + * if at all possible * * Creates a Nullfunc template which can, for example, uploaded to * hardware. The template must be updated after association so that correct * BSSID and address is used. * + * If @qos_ndp is set and the association is to an AP with QoS/WMM, the + * returned packet will be QoS NDP. + * * Note: Caller (or hardware) is responsible for setting the * &IEEE80211_FCTL_PM bit as well as Duration and Sequence Control fields. * * Return: The nullfunc template. %NULL on error. */ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw, - struct ieee80211_vif *vif); + struct ieee80211_vif *vif, + bool qos_ok); /** * ieee80211_probereq_get - retrieve a Probe Request template diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h index 4a5b9a306c69..32ee65a30aff 100644 --- a/include/net/sctp/checksum.h +++ b/include/net/sctp/checksum.h @@ -48,31 +48,32 @@ static inline __wsum sctp_csum_update(const void *buff, int len, __wsum sum) /* This uses the crypto implementation of crc32c, which is either * implemented w/ hardware support or resolves to __crc32c_le(). */ - return crc32c(sum, buff, len); + return (__force __wsum)crc32c((__force __u32)sum, buff, len); } static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2, int offset, int len) { - return __crc32c_le_combine(csum, csum2, len); + return (__force __wsum)__crc32c_le_combine((__force __u32)csum, + (__force __u32)csum2, len); } static inline __le32 sctp_compute_cksum(const struct sk_buff *skb, unsigned int offset) { struct sctphdr *sh = sctp_hdr(skb); - __le32 ret, old = sh->checksum; const struct skb_checksum_ops ops = { .update = sctp_csum_update, .combine = sctp_csum_combine, }; + __le32 old = sh->checksum; + __wsum new; sh->checksum = 0; - ret = cpu_to_le32(~__skb_checksum(skb, offset, skb->len - offset, - ~(__u32)0, &ops)); + new = ~__skb_checksum(skb, offset, skb->len - offset, ~(__wsum)0, &ops); sh->checksum = old; - return ret; + return cpu_to_le32((__force __u32)new); } #endif /* __sctp_checksum_h__ */ diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 749a42882437..608d123ef25f 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -107,7 +107,7 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb); int sctp_inet_listen(struct socket *sock, int backlog); void sctp_write_space(struct sock *sk); void sctp_data_ready(struct sock *sk); -unsigned int sctp_poll(struct file *file, struct socket *sock, +__poll_t sctp_poll(struct file *file, struct socket *sock, poll_table *wait); void sctp_sock_rfree(struct sk_buff *skb); void sctp_copy_sock(struct sock *newsk, struct sock *sk, @@ -195,6 +195,11 @@ void sctp_remaddr_proc_exit(struct net *net); int sctp_offload_init(void); /* + * sctp/stream_sched.c + */ +void sctp_sched_ops_init(void); + +/* * sctp/stream.c */ int sctp_send_reset_streams(struct sctp_association *asoc, diff --git a/include/net/sctp/stream_sched.h b/include/net/sctp/stream_sched.h index c676550a4c7d..5c5da48f65e7 100644 --- a/include/net/sctp/stream_sched.h +++ b/include/net/sctp/stream_sched.h @@ -69,4 +69,9 @@ void sctp_sched_dequeue_common(struct sctp_outq *q, struct sctp_chunk *ch); int sctp_sched_init_sid(struct sctp_stream *stream, __u16 sid, gfp_t gfp); struct sctp_sched_ops *sctp_sched_ops_from_stream(struct sctp_stream *stream); +void sctp_sched_ops_register(enum sctp_sched_type sched, + struct sctp_sched_ops *sched_ops); +void sctp_sched_ops_prio_init(void); +void sctp_sched_ops_rr_init(void); + #endif /* __sctp_stream_sched_h__ */ diff --git a/include/net/sock.h b/include/net/sock.h index 79e1a2c7912c..b33078333518 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1582,7 +1582,7 @@ int sock_no_connect(struct socket *, struct sockaddr *, int, int); int sock_no_socketpair(struct socket *, struct socket *); int sock_no_accept(struct socket *, struct socket *, int, bool); int sock_no_getname(struct socket *, struct sockaddr *, int *, int); -unsigned int sock_no_poll(struct file *, struct socket *, +__poll_t sock_no_poll(struct file *, struct socket *, struct poll_table_struct *); int sock_no_ioctl(struct socket *, unsigned int, unsigned long); int sock_no_listen(struct socket *, int); diff --git a/include/net/tcp.h b/include/net/tcp.h index 4e09398009c1..a6343271c629 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -387,7 +387,7 @@ bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst); void tcp_close(struct sock *sk, long timeout); void tcp_init_sock(struct sock *sk); void tcp_init_transfer(struct sock *sk, int bpf_op); -unsigned int tcp_poll(struct file *file, struct socket *sock, +__poll_t tcp_poll(struct file *file, struct socket *sock, struct poll_table_struct *wait); int tcp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); diff --git a/include/net/udp.h b/include/net/udp.h index 6c759c8594e2..850a8e581cce 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -275,7 +275,7 @@ int udp_ioctl(struct sock *sk, int cmd, unsigned long arg); int udp_init_sock(struct sock *sk); int __udp_disconnect(struct sock *sk, int flags); int udp_disconnect(struct sock *sk, int flags); -unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait); +__poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait); struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb, netdev_features_t features, bool is_ipv6); diff --git a/include/sound/hwdep.h b/include/sound/hwdep.h index ab9fcb2f97f0..afeca593188a 100644 --- a/include/sound/hwdep.h +++ b/include/sound/hwdep.h @@ -37,7 +37,7 @@ struct snd_hwdep_ops { long count, loff_t *offset); int (*open)(struct snd_hwdep *hw, struct file * file); int (*release)(struct snd_hwdep *hw, struct file * file); - unsigned int (*poll)(struct snd_hwdep *hw, struct file *file, + __poll_t (*poll)(struct snd_hwdep *hw, struct file *file, poll_table *wait); int (*ioctl)(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg); diff --git a/include/sound/info.h b/include/sound/info.h index 67390ee846aa..becdf66d2825 100644 --- a/include/sound/info.h +++ b/include/sound/info.h @@ -62,7 +62,7 @@ struct snd_info_entry_ops { loff_t (*llseek)(struct snd_info_entry *entry, void *file_private_data, struct file *file, loff_t offset, int orig); - unsigned int (*poll)(struct snd_info_entry *entry, + __poll_t (*poll)(struct snd_info_entry *entry, void *file_private_data, struct file *file, poll_table *wait); int (*ioctl)(struct snd_info_entry *entry, void *file_private_data, diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index ebe96796027a..36cb50c111a6 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -49,6 +49,7 @@ enum rxrpc_conn_trace { rxrpc_conn_put_client, rxrpc_conn_put_service, rxrpc_conn_queued, + rxrpc_conn_reap_service, rxrpc_conn_seen, }; @@ -138,10 +139,24 @@ enum rxrpc_rtt_rx_trace { enum rxrpc_timer_trace { rxrpc_timer_begin, + rxrpc_timer_exp_ack, + rxrpc_timer_exp_hard, + rxrpc_timer_exp_idle, + rxrpc_timer_exp_keepalive, + rxrpc_timer_exp_lost_ack, + rxrpc_timer_exp_normal, + rxrpc_timer_exp_ping, + rxrpc_timer_exp_resend, rxrpc_timer_expired, rxrpc_timer_init_for_reply, rxrpc_timer_init_for_send_reply, + rxrpc_timer_restart, rxrpc_timer_set_for_ack, + rxrpc_timer_set_for_hard, + rxrpc_timer_set_for_idle, + rxrpc_timer_set_for_keepalive, + rxrpc_timer_set_for_lost_ack, + rxrpc_timer_set_for_normal, rxrpc_timer_set_for_ping, rxrpc_timer_set_for_resend, rxrpc_timer_set_for_send, @@ -150,6 +165,7 @@ enum rxrpc_timer_trace { enum rxrpc_propose_ack_trace { rxrpc_propose_ack_client_tx_end, rxrpc_propose_ack_input_data, + rxrpc_propose_ack_ping_for_keepalive, rxrpc_propose_ack_ping_for_lost_ack, rxrpc_propose_ack_ping_for_lost_reply, rxrpc_propose_ack_ping_for_params, @@ -206,6 +222,7 @@ enum rxrpc_congest_change { EM(rxrpc_conn_put_client, "PTc") \ EM(rxrpc_conn_put_service, "PTs") \ EM(rxrpc_conn_queued, "QUE") \ + EM(rxrpc_conn_reap_service, "RPs") \ E_(rxrpc_conn_seen, "SEE") #define rxrpc_client_traces \ @@ -296,16 +313,31 @@ enum rxrpc_congest_change { #define rxrpc_timer_traces \ EM(rxrpc_timer_begin, "Begin ") \ EM(rxrpc_timer_expired, "*EXPR*") \ + EM(rxrpc_timer_exp_ack, "ExpAck") \ + EM(rxrpc_timer_exp_hard, "ExpHrd") \ + EM(rxrpc_timer_exp_idle, "ExpIdl") \ + EM(rxrpc_timer_exp_keepalive, "ExpKA ") \ + EM(rxrpc_timer_exp_lost_ack, "ExpLoA") \ + EM(rxrpc_timer_exp_normal, "ExpNml") \ + EM(rxrpc_timer_exp_ping, "ExpPng") \ + EM(rxrpc_timer_exp_resend, "ExpRsn") \ EM(rxrpc_timer_init_for_reply, "IniRpl") \ EM(rxrpc_timer_init_for_send_reply, "SndRpl") \ + EM(rxrpc_timer_restart, "Restrt") \ EM(rxrpc_timer_set_for_ack, "SetAck") \ + EM(rxrpc_timer_set_for_hard, "SetHrd") \ + EM(rxrpc_timer_set_for_idle, "SetIdl") \ + EM(rxrpc_timer_set_for_keepalive, "KeepAl") \ + EM(rxrpc_timer_set_for_lost_ack, "SetLoA") \ + EM(rxrpc_timer_set_for_normal, "SetNml") \ EM(rxrpc_timer_set_for_ping, "SetPng") \ EM(rxrpc_timer_set_for_resend, "SetRTx") \ - E_(rxrpc_timer_set_for_send, "SetTx ") + E_(rxrpc_timer_set_for_send, "SetSnd") #define rxrpc_propose_ack_traces \ EM(rxrpc_propose_ack_client_tx_end, "ClTxEnd") \ EM(rxrpc_propose_ack_input_data, "DataIn ") \ + EM(rxrpc_propose_ack_ping_for_keepalive, "KeepAlv") \ EM(rxrpc_propose_ack_ping_for_lost_ack, "LostAck") \ EM(rxrpc_propose_ack_ping_for_lost_reply, "LostRpl") \ EM(rxrpc_propose_ack_ping_for_params, "Params ") \ @@ -932,39 +964,47 @@ TRACE_EVENT(rxrpc_rtt_rx, TRACE_EVENT(rxrpc_timer, TP_PROTO(struct rxrpc_call *call, enum rxrpc_timer_trace why, - ktime_t now, unsigned long now_j), + unsigned long now), - TP_ARGS(call, why, now, now_j), + TP_ARGS(call, why, now), TP_STRUCT__entry( __field(struct rxrpc_call *, call ) __field(enum rxrpc_timer_trace, why ) - __field_struct(ktime_t, now ) - __field_struct(ktime_t, expire_at ) - __field_struct(ktime_t, ack_at ) - __field_struct(ktime_t, resend_at ) - __field(unsigned long, now_j ) - __field(unsigned long, timer ) + __field(long, now ) + __field(long, ack_at ) + __field(long, ack_lost_at ) + __field(long, resend_at ) + __field(long, ping_at ) + __field(long, expect_rx_by ) + __field(long, expect_req_by ) + __field(long, expect_term_by ) + __field(long, timer ) ), TP_fast_assign( - __entry->call = call; - __entry->why = why; - __entry->now = now; - __entry->expire_at = call->expire_at; - __entry->ack_at = call->ack_at; - __entry->resend_at = call->resend_at; - __entry->now_j = now_j; - __entry->timer = call->timer.expires; + __entry->call = call; + __entry->why = why; + __entry->now = now; + __entry->ack_at = call->ack_at; + __entry->ack_lost_at = call->ack_lost_at; + __entry->resend_at = call->resend_at; + __entry->expect_rx_by = call->expect_rx_by; + __entry->expect_req_by = call->expect_req_by; + __entry->expect_term_by = call->expect_term_by; + __entry->timer = call->timer.expires; ), - TP_printk("c=%p %s x=%lld a=%lld r=%lld t=%ld", + TP_printk("c=%p %s a=%ld la=%ld r=%ld xr=%ld xq=%ld xt=%ld t=%ld", __entry->call, __print_symbolic(__entry->why, rxrpc_timer_traces), - ktime_to_ns(ktime_sub(__entry->expire_at, __entry->now)), - ktime_to_ns(ktime_sub(__entry->ack_at, __entry->now)), - ktime_to_ns(ktime_sub(__entry->resend_at, __entry->now)), - __entry->timer - __entry->now_j) + __entry->ack_at - __entry->now, + __entry->ack_lost_at - __entry->now, + __entry->resend_at - __entry->now, + __entry->expect_rx_by - __entry->now, + __entry->expect_req_by - __entry->now, + __entry->expect_term_by - __entry->now, + __entry->timer - __entry->now) ); TRACE_EVENT(rxrpc_rx_lose, @@ -1080,7 +1120,7 @@ TRACE_EVENT(rxrpc_congest, memcpy(&__entry->sum, summary, sizeof(__entry->sum)); ), - TP_printk("c=%p %08x %s %08x %s cw=%u ss=%u nr=%u,%u nw=%u,%u r=%u b=%u u=%u d=%u l=%x%s%s%s", + TP_printk("c=%p r=%08x %s q=%08x %s cw=%u ss=%u nr=%u,%u nw=%u,%u r=%u b=%u u=%u d=%u l=%x%s%s%s", __entry->call, __entry->ack_serial, __print_symbolic(__entry->sum.ack_reason, rxrpc_ack_names), diff --git a/include/uapi/asm-generic/poll.h b/include/uapi/asm-generic/poll.h index fefb3d2c3fac..639fade14b23 100644 --- a/include/uapi/asm-generic/poll.h +++ b/include/uapi/asm-generic/poll.h @@ -3,35 +3,49 @@ #define __ASM_GENERIC_POLL_H /* These are specified by iBCS2 */ -#define POLLIN 0x0001 -#define POLLPRI 0x0002 -#define POLLOUT 0x0004 -#define POLLERR 0x0008 -#define POLLHUP 0x0010 -#define POLLNVAL 0x0020 +#define POLLIN (__force __poll_t)0x0001 +#define POLLPRI (__force __poll_t)0x0002 +#define POLLOUT (__force __poll_t)0x0004 +#define POLLERR (__force __poll_t)0x0008 +#define POLLHUP (__force __poll_t)0x0010 +#define POLLNVAL (__force __poll_t)0x0020 /* The rest seem to be more-or-less nonstandard. Check them! */ -#define POLLRDNORM 0x0040 -#define POLLRDBAND 0x0080 +#define POLLRDNORM (__force __poll_t)0x0040 +#define POLLRDBAND (__force __poll_t)0x0080 #ifndef POLLWRNORM -#define POLLWRNORM 0x0100 +#define POLLWRNORM (__force __poll_t)0x0100 #endif #ifndef POLLWRBAND -#define POLLWRBAND 0x0200 +#define POLLWRBAND (__force __poll_t)0x0200 #endif #ifndef POLLMSG -#define POLLMSG 0x0400 +#define POLLMSG (__force __poll_t)0x0400 #endif #ifndef POLLREMOVE -#define POLLREMOVE 0x1000 +#define POLLREMOVE (__force __poll_t)0x1000 #endif #ifndef POLLRDHUP -#define POLLRDHUP 0x2000 +#define POLLRDHUP (__force __poll_t)0x2000 #endif -#define POLLFREE 0x4000 /* currently only for epoll */ +#define POLLFREE (__force __poll_t)0x4000 /* currently only for epoll */ -#define POLL_BUSY_LOOP 0x8000 +#define POLL_BUSY_LOOP (__force __poll_t)0x8000 + +#ifdef __KERNEL__ +#ifndef __ARCH_HAS_MANGLED_POLL +static inline __u16 mangle_poll(__poll_t val) +{ + return (__force __u16)val; +} + +static inline __poll_t demangle_poll(__u16 v) +{ + return (__force __poll_t)v; +} +#endif +#endif struct pollfd { int fd; diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h index 90fc490f973f..821f71a2e48f 100644 --- a/include/uapi/linux/bcache.h +++ b/include/uapi/linux/bcache.h @@ -91,7 +91,7 @@ PTR_FIELD(PTR_GEN, 0, 8) #define PTR_CHECK_DEV ((1 << PTR_DEV_BITS) - 1) -#define PTR(gen, offset, dev) \ +#define MAKE_PTR(gen, offset, dev) \ ((((__u64) dev) << 51) | ((__u64) offset) << 8 | gen) /* Bkey utility code */ diff --git a/include/uapi/linux/bfs_fs.h b/include/uapi/linux/bfs_fs.h index 73445ef07dda..940b04772af8 100644 --- a/include/uapi/linux/bfs_fs.h +++ b/include/uapi/linux/bfs_fs.h @@ -76,7 +76,7 @@ struct bfs_super_block { #define BFS_FILEBLOCKS(ip) \ ((ip)->i_sblock == 0 ? 0 : (le32_to_cpu((ip)->i_eblock) + 1) - le32_to_cpu((ip)->i_sblock)) #define BFS_UNCLEAN(bfs_sb, sb) \ - ((le32_to_cpu(bfs_sb->s_from) != -1) && (le32_to_cpu(bfs_sb->s_to) != -1) && !(sb->s_flags & MS_RDONLY)) + ((le32_to_cpu(bfs_sb->s_from) != -1) && (le32_to_cpu(bfs_sb->s_to) != -1) && !(sb->s_flags & SB_RDONLY)) #endif /* _LINUX_BFS_FS_H */ diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index 731d0df722e3..6e80501368ae 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -233,29 +233,29 @@ struct kfd_ioctl_wait_events_args { }; struct kfd_ioctl_set_scratch_backing_va_args { - uint64_t va_addr; /* to KFD */ - uint32_t gpu_id; /* to KFD */ - uint32_t pad; + __u64 va_addr; /* to KFD */ + __u32 gpu_id; /* to KFD */ + __u32 pad; }; struct kfd_ioctl_get_tile_config_args { /* to KFD: pointer to tile array */ - uint64_t tile_config_ptr; + __u64 tile_config_ptr; /* to KFD: pointer to macro tile array */ - uint64_t macro_tile_config_ptr; + __u64 macro_tile_config_ptr; /* to KFD: array size allocated by user mode * from KFD: array size filled by kernel */ - uint32_t num_tile_configs; + __u32 num_tile_configs; /* to KFD: array size allocated by user mode * from KFD: array size filled by kernel */ - uint32_t num_macro_tile_configs; + __u32 num_macro_tile_configs; - uint32_t gpu_id; /* to KFD */ - uint32_t gb_addr_config; /* from KFD */ - uint32_t num_banks; /* from KFD */ - uint32_t num_ranks; /* from KFD */ + __u32 gpu_id; /* to KFD */ + __u32 gb_addr_config; /* from KFD */ + __u32 num_banks; /* from KFD */ + __u32 num_ranks; /* from KFD */ /* struct size can be extended later if needed * without breaking ABI compatibility */ diff --git a/include/uapi/linux/rxrpc.h b/include/uapi/linux/rxrpc.h index 9d4afea308a4..9335d92c14a4 100644 --- a/include/uapi/linux/rxrpc.h +++ b/include/uapi/linux/rxrpc.h @@ -59,6 +59,7 @@ enum rxrpc_cmsg_type { RXRPC_EXCLUSIVE_CALL = 10, /* s-: Call should be on exclusive connection */ RXRPC_UPGRADE_SERVICE = 11, /* s-: Request service upgrade for client call */ RXRPC_TX_LENGTH = 12, /* s-: Total length of Tx data */ + RXRPC_SET_CALL_TIMEOUT = 13, /* s-: Set one or more call timeouts */ RXRPC__SUPPORTED }; diff --git a/include/uapi/linux/types.h b/include/uapi/linux/types.h index e3d1d0c78f3c..cd4f0b897a48 100644 --- a/include/uapi/linux/types.h +++ b/include/uapi/linux/types.h @@ -49,5 +49,11 @@ typedef __u32 __bitwise __wsum; #define __aligned_be64 __be64 __attribute__((aligned(8))) #define __aligned_le64 __le64 __attribute__((aligned(8))) +#ifdef __CHECK_POLL +typedef unsigned __bitwise __poll_t; +#else +typedef unsigned __poll_t; +#endif + #endif /* __ASSEMBLY__ */ #endif /* _UAPI_LINUX_TYPES_H */ diff --git a/include/uapi/linux/vm_sockets_diag.h b/include/uapi/linux/vm_sockets_diag.h index 14cd7dc5a187..0b4dd54f3d1e 100644 --- a/include/uapi/linux/vm_sockets_diag.h +++ b/include/uapi/linux/vm_sockets_diag.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* AF_VSOCK sock_diag(7) interface for querying open sockets */ #ifndef _UAPI__VM_SOCKETS_DIAG_H__ diff --git a/ipc/mqueue.c b/ipc/mqueue.c index d24025626310..0d4fe665d638 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -270,13 +270,30 @@ static struct inode *mqueue_get_inode(struct super_block *sb, * that means the min(mq_maxmsg, max_priorities) * struct * posix_msg_tree_node. */ + + ret = -EINVAL; + if (info->attr.mq_maxmsg <= 0 || info->attr.mq_msgsize <= 0) + goto out_inode; + if (capable(CAP_SYS_RESOURCE)) { + if (info->attr.mq_maxmsg > HARD_MSGMAX || + info->attr.mq_msgsize > HARD_MSGSIZEMAX) + goto out_inode; + } else { + if (info->attr.mq_maxmsg > ipc_ns->mq_msg_max || + info->attr.mq_msgsize > ipc_ns->mq_msgsize_max) + goto out_inode; + } + ret = -EOVERFLOW; + /* check for overflow */ + if (info->attr.mq_msgsize > ULONG_MAX/info->attr.mq_maxmsg) + goto out_inode; mq_treesize = info->attr.mq_maxmsg * sizeof(struct msg_msg) + min_t(unsigned int, info->attr.mq_maxmsg, MQ_PRIO_MAX) * sizeof(struct posix_msg_tree_node); - - mq_bytes = mq_treesize + (info->attr.mq_maxmsg * - info->attr.mq_msgsize); - + mq_bytes = info->attr.mq_maxmsg * info->attr.mq_msgsize; + if (mq_bytes + mq_treesize < mq_bytes) + goto out_inode; + mq_bytes += mq_treesize; spin_lock(&mq_lock); if (u->mq_bytes + mq_bytes < u->mq_bytes || u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) { @@ -308,8 +325,9 @@ err: static int mqueue_fill_super(struct super_block *sb, void *data, int silent) { struct inode *inode; - struct ipc_namespace *ns = sb->s_fs_info; + struct ipc_namespace *ns = data; + sb->s_fs_info = ns; sb->s_iflags |= SB_I_NOEXEC | SB_I_NODEV; sb->s_blocksize = PAGE_SIZE; sb->s_blocksize_bits = PAGE_SHIFT; @@ -326,18 +344,44 @@ static int mqueue_fill_super(struct super_block *sb, void *data, int silent) return 0; } +static struct file_system_type mqueue_fs_type; +/* + * Return value is pinned only by reference in ->mq_mnt; it will + * live until ipcns dies. Caller does not need to drop it. + */ +static struct vfsmount *mq_internal_mount(void) +{ + struct ipc_namespace *ns = current->nsproxy->ipc_ns; + struct vfsmount *m = ns->mq_mnt; + if (m) + return m; + m = kern_mount_data(&mqueue_fs_type, ns); + spin_lock(&mq_lock); + if (unlikely(ns->mq_mnt)) { + spin_unlock(&mq_lock); + if (!IS_ERR(m)) + kern_unmount(m); + return ns->mq_mnt; + } + if (!IS_ERR(m)) + ns->mq_mnt = m; + spin_unlock(&mq_lock); + return m; +} + static struct dentry *mqueue_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { - struct ipc_namespace *ns; - if (flags & MS_KERNMOUNT) { - ns = data; - data = NULL; - } else { - ns = current->nsproxy->ipc_ns; - } - return mount_ns(fs_type, flags, data, ns, ns->user_ns, mqueue_fill_super); + struct vfsmount *m; + if (flags & SB_KERNMOUNT) + return mount_nodev(fs_type, flags, data, mqueue_fill_super); + m = mq_internal_mount(); + if (IS_ERR(m)) + return ERR_CAST(m); + atomic_inc(&m->mnt_sb->s_active); + down_write(&m->mnt_sb->s_umount); + return dget(m->mnt_root); } static void init_once(void *foo) @@ -416,11 +460,11 @@ static void mqueue_evict_inode(struct inode *inode) put_ipc_ns(ipc_ns); } -static int mqueue_create(struct inode *dir, struct dentry *dentry, - umode_t mode, bool excl) +static int mqueue_create_attr(struct dentry *dentry, umode_t mode, void *arg) { + struct inode *dir = dentry->d_parent->d_inode; struct inode *inode; - struct mq_attr *attr = dentry->d_fsdata; + struct mq_attr *attr = arg; int error; struct ipc_namespace *ipc_ns; @@ -461,6 +505,12 @@ out_unlock: return error; } +static int mqueue_create(struct inode *dir, struct dentry *dentry, + umode_t mode, bool excl) +{ + return mqueue_create_attr(dentry, mode, NULL); +} + static int mqueue_unlink(struct inode *dir, struct dentry *dentry) { struct inode *inode = d_inode(dentry); @@ -519,10 +569,10 @@ static int mqueue_flush_file(struct file *filp, fl_owner_t id) return 0; } -static unsigned int mqueue_poll_file(struct file *filp, struct poll_table_struct *poll_tab) +static __poll_t mqueue_poll_file(struct file *filp, struct poll_table_struct *poll_tab) { struct mqueue_inode_info *info = MQUEUE_I(file_inode(filp)); - int retval = 0; + __poll_t retval = 0; poll_wait(filp, &info->wait_q, poll_tab); @@ -690,96 +740,46 @@ static void remove_notification(struct mqueue_inode_info *info) info->notify_user_ns = NULL; } -static int mq_attr_ok(struct ipc_namespace *ipc_ns, struct mq_attr *attr) -{ - int mq_treesize; - unsigned long total_size; - - if (attr->mq_maxmsg <= 0 || attr->mq_msgsize <= 0) - return -EINVAL; - if (capable(CAP_SYS_RESOURCE)) { - if (attr->mq_maxmsg > HARD_MSGMAX || - attr->mq_msgsize > HARD_MSGSIZEMAX) - return -EINVAL; - } else { - if (attr->mq_maxmsg > ipc_ns->mq_msg_max || - attr->mq_msgsize > ipc_ns->mq_msgsize_max) - return -EINVAL; - } - /* check for overflow */ - if (attr->mq_msgsize > ULONG_MAX/attr->mq_maxmsg) - return -EOVERFLOW; - mq_treesize = attr->mq_maxmsg * sizeof(struct msg_msg) + - min_t(unsigned int, attr->mq_maxmsg, MQ_PRIO_MAX) * - sizeof(struct posix_msg_tree_node); - total_size = attr->mq_maxmsg * attr->mq_msgsize; - if (total_size + mq_treesize < total_size) - return -EOVERFLOW; - return 0; -} - -/* - * Invoked when creating a new queue via sys_mq_open - */ -static struct file *do_create(struct ipc_namespace *ipc_ns, struct inode *dir, - struct path *path, int oflag, umode_t mode, +static int prepare_open(struct dentry *dentry, int oflag, int ro, + umode_t mode, struct filename *name, struct mq_attr *attr) { - const struct cred *cred = current_cred(); - int ret; - - if (attr) { - ret = mq_attr_ok(ipc_ns, attr); - if (ret) - return ERR_PTR(ret); - /* store for use during create */ - path->dentry->d_fsdata = attr; - } else { - struct mq_attr def_attr; - - def_attr.mq_maxmsg = min(ipc_ns->mq_msg_max, - ipc_ns->mq_msg_default); - def_attr.mq_msgsize = min(ipc_ns->mq_msgsize_max, - ipc_ns->mq_msgsize_default); - ret = mq_attr_ok(ipc_ns, &def_attr); - if (ret) - return ERR_PTR(ret); - } - - mode &= ~current_umask(); - ret = vfs_create(dir, path->dentry, mode, true); - path->dentry->d_fsdata = NULL; - if (ret) - return ERR_PTR(ret); - return dentry_open(path, oflag, cred); -} - -/* Opens existing queue */ -static struct file *do_open(struct path *path, int oflag) -{ static const int oflag2acc[O_ACCMODE] = { MAY_READ, MAY_WRITE, MAY_READ | MAY_WRITE }; int acc; + + if (d_really_is_negative(dentry)) { + if (!(oflag & O_CREAT)) + return -ENOENT; + if (ro) + return ro; + audit_inode_parent_hidden(name, dentry->d_parent); + return vfs_mkobj(dentry, mode & ~current_umask(), + mqueue_create_attr, attr); + } + /* it already existed */ + audit_inode(name, dentry, 0); + if ((oflag & (O_CREAT|O_EXCL)) == (O_CREAT|O_EXCL)) + return -EEXIST; if ((oflag & O_ACCMODE) == (O_RDWR | O_WRONLY)) - return ERR_PTR(-EINVAL); + return -EINVAL; acc = oflag2acc[oflag & O_ACCMODE]; - if (inode_permission(d_inode(path->dentry), acc)) - return ERR_PTR(-EACCES); - return dentry_open(path, oflag, current_cred()); + return inode_permission(d_inode(dentry), acc); } static int do_mq_open(const char __user *u_name, int oflag, umode_t mode, struct mq_attr *attr) { - struct path path; - struct file *filp; + struct vfsmount *mnt = mq_internal_mount(); + struct dentry *root; struct filename *name; + struct path path; int fd, error; - struct ipc_namespace *ipc_ns = current->nsproxy->ipc_ns; - struct vfsmount *mnt = ipc_ns->mq_mnt; - struct dentry *root = mnt->mnt_root; int ro; + if (IS_ERR(mnt)) + return PTR_ERR(mnt); + audit_mq_open(oflag, mode, attr); if (IS_ERR(name = getname(u_name))) @@ -790,7 +790,7 @@ static int do_mq_open(const char __user *u_name, int oflag, umode_t mode, goto out_putname; ro = mnt_want_write(mnt); /* we'll drop it in any case */ - error = 0; + root = mnt->mnt_root; inode_lock(d_inode(root)); path.dentry = lookup_one_len(name->name, root, strlen(name->name)); if (IS_ERR(path.dentry)) { @@ -798,38 +798,14 @@ static int do_mq_open(const char __user *u_name, int oflag, umode_t mode, goto out_putfd; } path.mnt = mntget(mnt); - - if (oflag & O_CREAT) { - if (d_really_is_positive(path.dentry)) { /* entry already exists */ - audit_inode(name, path.dentry, 0); - if (oflag & O_EXCL) { - error = -EEXIST; - goto out; - } - filp = do_open(&path, oflag); - } else { - if (ro) { - error = ro; - goto out; - } - audit_inode_parent_hidden(name, root); - filp = do_create(ipc_ns, d_inode(root), &path, - oflag, mode, attr); - } - } else { - if (d_really_is_negative(path.dentry)) { - error = -ENOENT; - goto out; - } - audit_inode(name, path.dentry, 0); - filp = do_open(&path, oflag); + error = prepare_open(path.dentry, oflag, ro, mode, name, attr); + if (!error) { + struct file *file = dentry_open(&path, oflag, current_cred()); + if (!IS_ERR(file)) + fd_install(fd, file); + else + error = PTR_ERR(file); } - - if (!IS_ERR(filp)) - fd_install(fd, filp); - else - error = PTR_ERR(filp); -out: path_put(&path); out_putfd: if (error) { @@ -863,6 +839,9 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name) struct ipc_namespace *ipc_ns = current->nsproxy->ipc_ns; struct vfsmount *mnt = ipc_ns->mq_mnt; + if (!mnt) + return -ENOENT; + name = getname(u_name); if (IS_ERR(name)) return PTR_ERR(name); @@ -1589,28 +1568,26 @@ int mq_init_ns(struct ipc_namespace *ns) ns->mq_msgsize_max = DFLT_MSGSIZEMAX; ns->mq_msg_default = DFLT_MSG; ns->mq_msgsize_default = DFLT_MSGSIZE; + ns->mq_mnt = NULL; - ns->mq_mnt = kern_mount_data(&mqueue_fs_type, ns); - if (IS_ERR(ns->mq_mnt)) { - int err = PTR_ERR(ns->mq_mnt); - ns->mq_mnt = NULL; - return err; - } return 0; } void mq_clear_sbinfo(struct ipc_namespace *ns) { - ns->mq_mnt->mnt_sb->s_fs_info = NULL; + if (ns->mq_mnt) + ns->mq_mnt->mnt_sb->s_fs_info = NULL; } void mq_put_mnt(struct ipc_namespace *ns) { - kern_unmount(ns->mq_mnt); + if (ns->mq_mnt) + kern_unmount(ns->mq_mnt); } static int __init init_mqueue_fs(void) { + struct vfsmount *m; int error; mqueue_inode_cachep = kmem_cache_create("mqueue_inode_cache", @@ -1632,6 +1609,10 @@ static int __init init_mqueue_fs(void) if (error) goto out_filesystem; + m = kern_mount_data(&mqueue_fs_type, &init_ipc_ns); + if (IS_ERR(m)) + goto out_filesystem; + init_ipc_ns.mq_mnt = m; return 0; out_filesystem: diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index 01aaef1a77c5..81e2f6995adb 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -150,39 +150,29 @@ static int bpf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) return 0; } -static int bpf_mkobj_ops(struct inode *dir, struct dentry *dentry, - umode_t mode, const struct inode_operations *iops) +static int bpf_mkobj_ops(struct dentry *dentry, umode_t mode, void *raw, + const struct inode_operations *iops) { - struct inode *inode; - - inode = bpf_get_inode(dir->i_sb, dir, mode | S_IFREG); + struct inode *dir = dentry->d_parent->d_inode; + struct inode *inode = bpf_get_inode(dir->i_sb, dir, mode); if (IS_ERR(inode)) return PTR_ERR(inode); inode->i_op = iops; - inode->i_private = dentry->d_fsdata; + inode->i_private = raw; bpf_dentry_finalize(dentry, inode, dir); return 0; } -static int bpf_mkobj(struct inode *dir, struct dentry *dentry, umode_t mode, - dev_t devt) +static int bpf_mkprog(struct dentry *dentry, umode_t mode, void *arg) { - enum bpf_type type = MINOR(devt); - - if (MAJOR(devt) != UNNAMED_MAJOR || !S_ISREG(mode) || - dentry->d_fsdata == NULL) - return -EPERM; + return bpf_mkobj_ops(dentry, mode, arg, &bpf_prog_iops); +} - switch (type) { - case BPF_TYPE_PROG: - return bpf_mkobj_ops(dir, dentry, mode, &bpf_prog_iops); - case BPF_TYPE_MAP: - return bpf_mkobj_ops(dir, dentry, mode, &bpf_map_iops); - default: - return -EPERM; - } +static int bpf_mkmap(struct dentry *dentry, umode_t mode, void *arg) +{ + return bpf_mkobj_ops(dentry, mode, arg, &bpf_map_iops); } static struct dentry * @@ -218,7 +208,6 @@ static int bpf_symlink(struct inode *dir, struct dentry *dentry, static const struct inode_operations bpf_dir_iops = { .lookup = bpf_lookup, - .mknod = bpf_mkobj, .mkdir = bpf_mkdir, .symlink = bpf_symlink, .rmdir = simple_rmdir, @@ -234,7 +223,6 @@ static int bpf_obj_do_pin(const struct filename *pathname, void *raw, struct inode *dir; struct path path; umode_t mode; - dev_t devt; int ret; dentry = kern_path_create(AT_FDCWD, pathname->name, &path, 0); @@ -242,9 +230,8 @@ static int bpf_obj_do_pin(const struct filename *pathname, void *raw, return PTR_ERR(dentry); mode = S_IFREG | ((S_IRUSR | S_IWUSR) & ~current_umask()); - devt = MKDEV(UNNAMED_MAJOR, type); - ret = security_path_mknod(&path, dentry, mode, devt); + ret = security_path_mknod(&path, dentry, mode, 0); if (ret) goto out; @@ -254,9 +241,16 @@ static int bpf_obj_do_pin(const struct filename *pathname, void *raw, goto out; } - dentry->d_fsdata = raw; - ret = vfs_mknod(dir, dentry, mode, devt); - dentry->d_fsdata = NULL; + switch (type) { + case BPF_TYPE_PROG: + ret = vfs_mkobj(dentry, mode, bpf_mkprog, raw); + break; + case BPF_TYPE_MAP: + ret = vfs_mkobj(dentry, mode, bpf_mkmap, raw); + break; + default: + ret = -EPERM; + } out: done_path_create(&path, dentry); return ret; @@ -368,7 +362,45 @@ out: putname(pname); return ret; } -EXPORT_SYMBOL_GPL(bpf_obj_get_user); + +static struct bpf_prog *__get_prog_inode(struct inode *inode, enum bpf_prog_type type) +{ + struct bpf_prog *prog; + int ret = inode_permission(inode, MAY_READ | MAY_WRITE); + if (ret) + return ERR_PTR(ret); + + if (inode->i_op == &bpf_map_iops) + return ERR_PTR(-EINVAL); + if (inode->i_op != &bpf_prog_iops) + return ERR_PTR(-EACCES); + + prog = inode->i_private; + + ret = security_bpf_prog(prog); + if (ret < 0) + return ERR_PTR(ret); + + if (!bpf_prog_get_ok(prog, &type, false)) + return ERR_PTR(-EINVAL); + + return bpf_prog_inc(prog); +} + +struct bpf_prog *bpf_prog_get_type_path(const char *name, enum bpf_prog_type type) +{ + struct bpf_prog *prog; + struct path path; + int ret = kern_path(name, LOOKUP_FOLLOW, &path); + if (ret) + return ERR_PTR(ret); + prog = __get_prog_inode(d_backing_inode(path.dentry), type); + if (!IS_ERR(prog)) + touch_atime(&path); + path_put(&path); + return prog; +} +EXPORT_SYMBOL(bpf_prog_get_type_path); static void bpf_evict_inode(struct inode *inode) { diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 2c4cfeaa8d5e..5cb783fc8224 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -1057,7 +1057,7 @@ struct bpf_prog *bpf_prog_inc_not_zero(struct bpf_prog *prog) } EXPORT_SYMBOL_GPL(bpf_prog_inc_not_zero); -static bool bpf_prog_get_ok(struct bpf_prog *prog, +bool bpf_prog_get_ok(struct bpf_prog *prog, enum bpf_prog_type *attach_type, bool attach_drv) { /* not an attachment, just a refcount inc, always allow */ diff --git a/kernel/events/core.c b/kernel/events/core.c index 16beab4767e1..857c40d98d2c 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -4511,11 +4511,11 @@ perf_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) return ret; } -static unsigned int perf_poll(struct file *file, poll_table *wait) +static __poll_t perf_poll(struct file *file, poll_table *wait) { struct perf_event *event = file->private_data; struct ring_buffer *rb; - unsigned int events = POLLHUP; + __poll_t events = POLLHUP; poll_wait(file, &event->waitq, wait); diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 531ffa984bc2..d5fa4116688a 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -614,14 +614,14 @@ static void s_stop(struct seq_file *m, void *p) static int s_show(struct seq_file *m, void *p) { - unsigned long value; + void *value; struct kallsym_iter *iter = m->private; /* Some debugging symbols have no name. Ignore them. */ if (!iter->name[0]) return 0; - value = iter->show_value ? iter->value : 0; + value = iter->show_value ? (void *)iter->value : NULL; if (iter->module_name[0]) { char type; @@ -632,10 +632,10 @@ static int s_show(struct seq_file *m, void *p) */ type = iter->exported ? toupper(iter->type) : tolower(iter->type); - seq_printf(m, KALLSYM_FMT " %c %s\t[%s]\n", value, + seq_printf(m, "%px %c %s\t[%s]\n", value, type, iter->name, iter->module_name); } else - seq_printf(m, KALLSYM_FMT " %c %s\n", value, + seq_printf(m, "%px %c %s\n", value, iter->type, iter->name); return 0; } diff --git a/kernel/module.c b/kernel/module.c index f0411a271765..dea01ac9cb74 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -4157,7 +4157,7 @@ static int m_show(struct seq_file *m, void *p) { struct module *mod = list_entry(p, struct module, list); char buf[MODULE_FLAGS_BUF_SIZE]; - unsigned long value; + void *value; /* We always ignore unformed modules. */ if (mod->state == MODULE_STATE_UNFORMED) @@ -4173,8 +4173,8 @@ static int m_show(struct seq_file *m, void *p) mod->state == MODULE_STATE_COMING ? "Loading" : "Live"); /* Used by oprofile and other similar tools. */ - value = m->private ? 0 : (unsigned long)mod->core_layout.base; - seq_printf(m, " 0x" KALLSYM_FMT, value); + value = m->private ? NULL : mod->core_layout.base; + seq_printf(m, " 0x%px", value); /* Taints info */ if (mod->taints) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 5d81206a572d..8aa27be96012 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -920,10 +920,10 @@ static loff_t devkmsg_llseek(struct file *file, loff_t offset, int whence) return ret; } -static unsigned int devkmsg_poll(struct file *file, poll_table *wait) +static __poll_t devkmsg_poll(struct file *file, poll_table *wait) { struct devkmsg_user *user = file->private_data; - int ret = 0; + __poll_t ret = 0; if (!user) return POLLERR|POLLNVAL; diff --git a/kernel/relay.c b/kernel/relay.c index 39a9dfc69486..41280033a4c5 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -919,9 +919,9 @@ static int relay_file_mmap(struct file *filp, struct vm_area_struct *vma) * * Poll implemention. */ -static unsigned int relay_file_poll(struct file *filp, poll_table *wait) +static __poll_t relay_file_poll(struct file *filp, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; struct rchan_buf *buf = filp->private_data; if (buf->finalized) diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c index 17cdc554c9fe..36b04e7fcf62 100644 --- a/kernel/time/posix-clock.c +++ b/kernel/time/posix-clock.c @@ -68,10 +68,10 @@ static ssize_t posix_clock_read(struct file *fp, char __user *buf, return err; } -static unsigned int posix_clock_poll(struct file *fp, poll_table *wait) +static __poll_t posix_clock_poll(struct file *fp, poll_table *wait) { struct posix_clock *clk = get_posix_clock(fp); - unsigned int result = 0; + __poll_t result = 0; if (!clk) return POLLERR; diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 206e0e2ace53..987d9a9ae283 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -591,7 +591,7 @@ static int __blk_trace_setup(struct request_queue *q, char *name, dev_t dev, return ret; if (copy_to_user(arg, &buts, sizeof(buts))) { - blk_trace_remove(q); + __blk_trace_remove(q); return -EFAULT; } return 0; @@ -637,7 +637,7 @@ static int compat_blk_trace_setup(struct request_queue *q, char *name, return ret; if (copy_to_user(arg, &buts.name, ARRAY_SIZE(buts.name))) { - blk_trace_remove(q); + __blk_trace_remove(q); return -EFAULT; } @@ -872,7 +872,7 @@ static void blk_add_trace_rq_complete(void *ignore, struct request *rq, * **/ static void blk_add_trace_bio(struct request_queue *q, struct bio *bio, - u32 what, int error, union kernfs_node_id *cgid) + u32 what, int error) { struct blk_trace *bt = q->blk_trace; @@ -880,22 +880,21 @@ static void blk_add_trace_bio(struct request_queue *q, struct bio *bio, return; __blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size, - bio_op(bio), bio->bi_opf, what, error, 0, NULL, cgid); + bio_op(bio), bio->bi_opf, what, error, 0, NULL, + blk_trace_bio_get_cgid(q, bio)); } static void blk_add_trace_bio_bounce(void *ignore, struct request_queue *q, struct bio *bio) { - blk_add_trace_bio(q, bio, BLK_TA_BOUNCE, 0, - blk_trace_bio_get_cgid(q, bio)); + blk_add_trace_bio(q, bio, BLK_TA_BOUNCE, 0); } static void blk_add_trace_bio_complete(void *ignore, struct request_queue *q, struct bio *bio, int error) { - blk_add_trace_bio(q, bio, BLK_TA_COMPLETE, error, - blk_trace_bio_get_cgid(q, bio)); + blk_add_trace_bio(q, bio, BLK_TA_COMPLETE, error); } static void blk_add_trace_bio_backmerge(void *ignore, @@ -903,8 +902,7 @@ static void blk_add_trace_bio_backmerge(void *ignore, struct request *rq, struct bio *bio) { - blk_add_trace_bio(q, bio, BLK_TA_BACKMERGE, 0, - blk_trace_bio_get_cgid(q, bio)); + blk_add_trace_bio(q, bio, BLK_TA_BACKMERGE, 0); } static void blk_add_trace_bio_frontmerge(void *ignore, @@ -912,15 +910,13 @@ static void blk_add_trace_bio_frontmerge(void *ignore, struct request *rq, struct bio *bio) { - blk_add_trace_bio(q, bio, BLK_TA_FRONTMERGE, 0, - blk_trace_bio_get_cgid(q, bio)); + blk_add_trace_bio(q, bio, BLK_TA_FRONTMERGE, 0); } static void blk_add_trace_bio_queue(void *ignore, struct request_queue *q, struct bio *bio) { - blk_add_trace_bio(q, bio, BLK_TA_QUEUE, 0, - blk_trace_bio_get_cgid(q, bio)); + blk_add_trace_bio(q, bio, BLK_TA_QUEUE, 0); } static void blk_add_trace_getrq(void *ignore, @@ -928,8 +924,7 @@ static void blk_add_trace_getrq(void *ignore, struct bio *bio, int rw) { if (bio) - blk_add_trace_bio(q, bio, BLK_TA_GETRQ, 0, - blk_trace_bio_get_cgid(q, bio)); + blk_add_trace_bio(q, bio, BLK_TA_GETRQ, 0); else { struct blk_trace *bt = q->blk_trace; @@ -945,8 +940,7 @@ static void blk_add_trace_sleeprq(void *ignore, struct bio *bio, int rw) { if (bio) - blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ, 0, - blk_trace_bio_get_cgid(q, bio)); + blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ, 0); else { struct blk_trace *bt = q->blk_trace; diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 91874a95060d..d24d48713ef3 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -626,7 +626,7 @@ int ring_buffer_wait(struct ring_buffer *buffer, int cpu, bool full) * Returns POLLIN | POLLRDNORM if data exists in the buffers, * zero otherwise. */ -int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, +__poll_t ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, struct file *filp, poll_table *poll_table) { struct ring_buffer_per_cpu *cpu_buffer; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 73e67b68c53b..1e2a45e87b93 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5632,7 +5632,7 @@ static int tracing_release_pipe(struct inode *inode, struct file *file) return 0; } -static unsigned int +static __poll_t trace_poll(struct trace_iterator *iter, struct file *filp, poll_table *poll_table) { struct trace_array *tr = iter->tr; @@ -5651,7 +5651,7 @@ trace_poll(struct trace_iterator *iter, struct file *filp, poll_table *poll_tabl filp, poll_table); } -static unsigned int +static __poll_t tracing_poll_pipe(struct file *filp, poll_table *poll_table) { struct trace_iterator *iter = filp->private_data; @@ -6605,7 +6605,7 @@ static int tracing_buffers_open(struct inode *inode, struct file *filp) return ret; } -static unsigned int +static __poll_t tracing_buffers_poll(struct file *filp, poll_table *poll_table) { struct ftrace_buffer_info *info = filp->private_data; diff --git a/lib/ashldi3.c b/lib/ashldi3.c index 1b6087db95a5..3ffc46e3bb6c 100644 --- a/lib/ashldi3.c +++ b/lib/ashldi3.c @@ -16,7 +16,7 @@ #include <linux/export.h> -#include <lib/libgcc.h> +#include <linux/libgcc.h> long long notrace __ashldi3(long long u, word_type b) { diff --git a/lib/ashrdi3.c b/lib/ashrdi3.c index 2e67c97ac65a..ea054550f0e8 100644 --- a/lib/ashrdi3.c +++ b/lib/ashrdi3.c @@ -16,7 +16,7 @@ #include <linux/export.h> -#include <lib/libgcc.h> +#include <linux/libgcc.h> long long notrace __ashrdi3(long long u, word_type b) { diff --git a/lib/cmpdi2.c b/lib/cmpdi2.c index 6d7ebf6c2b86..2250da7e503e 100644 --- a/lib/cmpdi2.c +++ b/lib/cmpdi2.c @@ -16,7 +16,7 @@ #include <linux/export.h> -#include <lib/libgcc.h> +#include <linux/libgcc.h> word_type notrace __cmpdi2(long long a, long long b) { diff --git a/lib/lshrdi3.c b/lib/lshrdi3.c index 8e845f4bb65f..99cfa5721f2d 100644 --- a/lib/lshrdi3.c +++ b/lib/lshrdi3.c @@ -17,7 +17,7 @@ */ #include <linux/module.h> -#include <lib/libgcc.h> +#include <linux/libgcc.h> long long notrace __lshrdi3(long long u, word_type b) { diff --git a/lib/muldi3.c b/lib/muldi3.c index 88938543e10a..54c8b3123376 100644 --- a/lib/muldi3.c +++ b/lib/muldi3.c @@ -15,7 +15,7 @@ */ #include <linux/export.h> -#include <lib/libgcc.h> +#include <linux/libgcc.h> #define W_TYPE_SIZE 32 diff --git a/lib/test_printf.c b/lib/test_printf.c index 563f10e6876a..71ebfa43ad05 100644 --- a/lib/test_printf.c +++ b/lib/test_printf.c @@ -24,24 +24,6 @@ #define PAD_SIZE 16 #define FILL_CHAR '$' -#define PTR1 ((void*)0x01234567) -#define PTR2 ((void*)(long)(int)0xfedcba98) - -#if BITS_PER_LONG == 64 -#define PTR1_ZEROES "000000000" -#define PTR1_SPACES " " -#define PTR1_STR "1234567" -#define PTR2_STR "fffffffffedcba98" -#define PTR_WIDTH 16 -#else -#define PTR1_ZEROES "0" -#define PTR1_SPACES " " -#define PTR1_STR "1234567" -#define PTR2_STR "fedcba98" -#define PTR_WIDTH 8 -#endif -#define PTR_WIDTH_STR stringify(PTR_WIDTH) - static unsigned total_tests __initdata; static unsigned failed_tests __initdata; static char *test_buffer __initdata; @@ -217,30 +199,79 @@ test_string(void) test("a | | ", "%-3.s|%-3.0s|%-3.*s", "a", "b", 0, "c"); } +#define PLAIN_BUF_SIZE 64 /* leave some space so we don't oops */ + +#if BITS_PER_LONG == 64 + +#define PTR_WIDTH 16 +#define PTR ((void *)0xffff0123456789ab) +#define PTR_STR "ffff0123456789ab" +#define ZEROS "00000000" /* hex 32 zero bits */ + +static int __init +plain_format(void) +{ + char buf[PLAIN_BUF_SIZE]; + int nchars; + + nchars = snprintf(buf, PLAIN_BUF_SIZE, "%p", PTR); + + if (nchars != PTR_WIDTH || strncmp(buf, ZEROS, strlen(ZEROS)) != 0) + return -1; + + return 0; +} + +#else + +#define PTR_WIDTH 8 +#define PTR ((void *)0x456789ab) +#define PTR_STR "456789ab" + +static int __init +plain_format(void) +{ + /* Format is implicitly tested for 32 bit machines by plain_hash() */ + return 0; +} + +#endif /* BITS_PER_LONG == 64 */ + +static int __init +plain_hash(void) +{ + char buf[PLAIN_BUF_SIZE]; + int nchars; + + nchars = snprintf(buf, PLAIN_BUF_SIZE, "%p", PTR); + + if (nchars != PTR_WIDTH || strncmp(buf, PTR_STR, PTR_WIDTH) == 0) + return -1; + + return 0; +} + +/* + * We can't use test() to test %p because we don't know what output to expect + * after an address is hashed. + */ static void __init plain(void) { - test(PTR1_ZEROES PTR1_STR " " PTR2_STR, "%p %p", PTR1, PTR2); - /* - * The field width is overloaded for some %p extensions to - * pass another piece of information. For plain pointers, the - * behaviour is slightly odd: One cannot pass either the 0 - * flag nor a precision to %p without gcc complaining, and if - * one explicitly gives a field width, the number is no longer - * zero-padded. - */ - test("|" PTR1_STR PTR1_SPACES " | " PTR1_SPACES PTR1_STR "|", - "|%-*p|%*p|", PTR_WIDTH+2, PTR1, PTR_WIDTH+2, PTR1); - test("|" PTR2_STR " | " PTR2_STR "|", - "|%-*p|%*p|", PTR_WIDTH+2, PTR2, PTR_WIDTH+2, PTR2); + int err; - /* - * Unrecognized %p extensions are treated as plain %p, but the - * alphanumeric suffix is ignored (that is, does not occur in - * the output.) - */ - test("|"PTR1_ZEROES PTR1_STR"|", "|%p0y|", PTR1); - test("|"PTR2_STR"|", "|%p0y|", PTR2); + err = plain_hash(); + if (err) { + pr_warn("plain 'p' does not appear to be hashed\n"); + failed_tests++; + return; + } + + err = plain_format(); + if (err) { + pr_warn("hashing plain 'p' has unexpected format\n"); + failed_tests++; + } } static void __init @@ -251,6 +282,7 @@ symbol_ptr(void) static void __init kernel_ptr(void) { + /* We can't test this without access to kptr_restrict. */ } static void __init diff --git a/lib/ucmpdi2.c b/lib/ucmpdi2.c index 49a53505c8e3..25ca2d4c1e19 100644 --- a/lib/ucmpdi2.c +++ b/lib/ucmpdi2.c @@ -15,7 +15,7 @@ */ #include <linux/module.h> -#include <lib/libgcc.h> +#include <linux/libgcc.h> word_type __ucmpdi2(unsigned long long a, unsigned long long b) { diff --git a/lib/usercopy.c b/lib/usercopy.c index 15e2e6fb060e..3744b2a8e591 100644 --- a/lib/usercopy.c +++ b/lib/usercopy.c @@ -20,7 +20,7 @@ EXPORT_SYMBOL(_copy_from_user); #endif #ifndef INLINE_COPY_TO_USER -unsigned long _copy_to_user(void *to, const void __user *from, unsigned long n) +unsigned long _copy_to_user(void __user *to, const void *from, unsigned long n) { might_fault(); if (likely(access_ok(VERIFY_WRITE, to, n))) { diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 1746bae94d41..01c3957b2de6 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -33,6 +33,8 @@ #include <linux/uuid.h> #include <linux/of.h> #include <net/addrconf.h> +#include <linux/siphash.h> +#include <linux/compiler.h> #ifdef CONFIG_BLOCK #include <linux/blkdev.h> #endif @@ -1343,6 +1345,59 @@ char *uuid_string(char *buf, char *end, const u8 *addr, return string(buf, end, uuid, spec); } +int kptr_restrict __read_mostly; + +static noinline_for_stack +char *restricted_pointer(char *buf, char *end, const void *ptr, + struct printf_spec spec) +{ + spec.base = 16; + spec.flags |= SMALL; + if (spec.field_width == -1) { + spec.field_width = 2 * sizeof(ptr); + spec.flags |= ZEROPAD; + } + + switch (kptr_restrict) { + case 0: + /* Always print %pK values */ + break; + case 1: { + const struct cred *cred; + + /* + * kptr_restrict==1 cannot be used in IRQ context + * because its test for CAP_SYSLOG would be meaningless. + */ + if (in_irq() || in_serving_softirq() || in_nmi()) + return string(buf, end, "pK-error", spec); + + /* + * Only print the real pointer value if the current + * process has CAP_SYSLOG and is running with the + * same credentials it started with. This is because + * access to files is checked at open() time, but %pK + * checks permission at read() time. We don't want to + * leak pointer values if a binary opens a file using + * %pK and then elevates privileges before reading it. + */ + cred = current_cred(); + if (!has_capability_noaudit(current, CAP_SYSLOG) || + !uid_eq(cred->euid, cred->uid) || + !gid_eq(cred->egid, cred->gid)) + ptr = NULL; + break; + } + case 2: + default: + /* Always print 0's for %pK */ + ptr = NULL; + break; + } + + return number(buf, end, (unsigned long)ptr, spec); +} + static noinline_for_stack char *netdev_bits(char *buf, char *end, const void *addr, const char *fmt) { @@ -1591,7 +1646,86 @@ char *device_node_string(char *buf, char *end, struct device_node *dn, return widen_string(buf, buf - buf_start, end, spec); } -int kptr_restrict __read_mostly; +static noinline_for_stack +char *pointer_string(char *buf, char *end, const void *ptr, + struct printf_spec spec) +{ + spec.base = 16; + spec.flags |= SMALL; + if (spec.field_width == -1) { + spec.field_width = 2 * sizeof(ptr); + spec.flags |= ZEROPAD; + } + + return number(buf, end, (unsigned long int)ptr, spec); +} + +static bool have_filled_random_ptr_key __read_mostly; +static siphash_key_t ptr_key __read_mostly; + +static void fill_random_ptr_key(struct random_ready_callback *unused) +{ + get_random_bytes(&ptr_key, sizeof(ptr_key)); + /* + * have_filled_random_ptr_key==true is dependent on get_random_bytes(). + * ptr_to_id() needs to see have_filled_random_ptr_key==true + * after get_random_bytes() returns. + */ + smp_mb(); + WRITE_ONCE(have_filled_random_ptr_key, true); +} + +static struct random_ready_callback random_ready = { + .func = fill_random_ptr_key +}; + +static int __init initialize_ptr_random(void) +{ + int ret = add_random_ready_callback(&random_ready); + + if (!ret) { + return 0; + } else if (ret == -EALREADY) { + fill_random_ptr_key(&random_ready); + return 0; + } + + return ret; +} +early_initcall(initialize_ptr_random); + +/* Maps a pointer to a 32 bit unique identifier. */ +static char *ptr_to_id(char *buf, char *end, void *ptr, struct printf_spec spec) +{ + unsigned long hashval; + const int default_width = 2 * sizeof(ptr); + + if (unlikely(!have_filled_random_ptr_key)) { + spec.field_width = default_width; + /* string length must be less than default_width */ + return string(buf, end, "(ptrval)", spec); + } + +#ifdef CONFIG_64BIT + hashval = (unsigned long)siphash_1u64((u64)ptr, &ptr_key); + /* + * Mask off the first 32 bits, this makes explicit that we have + * modified the address (and 32 bits is plenty for a unique ID). + */ + hashval = hashval & 0xffffffff; +#else + hashval = (unsigned long)siphash_1u32((u32)ptr, &ptr_key); +#endif + + spec.flags |= SMALL; + if (spec.field_width == -1) { + spec.field_width = default_width; + spec.flags |= ZEROPAD; + } + spec.base = 16; + + return number(buf, end, hashval, spec); +} /* * Show a '%p' thing. A kernel extension is that the '%p' is followed @@ -1698,11 +1832,16 @@ int kptr_restrict __read_mostly; * c major compatible string * C full compatible string * + * - 'x' For printing the address. Equivalent to "%lx". + * * ** Please update also Documentation/printk-formats.txt when making changes ** * * Note: The difference between 'S' and 'F' is that on ia64 and ppc64 * function pointers are really function descriptors, which contain a * pointer to the real address. + * + * Note: The default behaviour (unadorned %p) is to hash the address, + * rendering it useful as a unique identifier. */ static noinline_for_stack char *pointer(const char *fmt, char *buf, char *end, void *ptr, @@ -1792,47 +1931,9 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, return buf; } case 'K': - switch (kptr_restrict) { - case 0: - /* Always print %pK values */ - break; - case 1: { - const struct cred *cred; - - /* - * kptr_restrict==1 cannot be used in IRQ context - * because its test for CAP_SYSLOG would be meaningless. - */ - if (in_irq() || in_serving_softirq() || in_nmi()) { - if (spec.field_width == -1) - spec.field_width = default_width; - return string(buf, end, "pK-error", spec); - } - - /* - * Only print the real pointer value if the current - * process has CAP_SYSLOG and is running with the - * same credentials it started with. This is because - * access to files is checked at open() time, but %pK - * checks permission at read() time. We don't want to - * leak pointer values if a binary opens a file using - * %pK and then elevates privileges before reading it. - */ - cred = current_cred(); - if (!has_capability_noaudit(current, CAP_SYSLOG) || - !uid_eq(cred->euid, cred->uid) || - !gid_eq(cred->egid, cred->gid)) - ptr = NULL; - break; - } - case 2: - default: - /* Always print 0's for %pK */ - ptr = NULL; + if (!kptr_restrict) break; - } - break; - + return restricted_pointer(buf, end, ptr, spec); case 'N': return netdev_bits(buf, end, ptr, fmt); case 'a': @@ -1857,15 +1958,12 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, case 'F': return device_node_string(buf, end, ptr, spec, fmt + 1); } + case 'x': + return pointer_string(buf, end, ptr, spec); } - spec.flags |= SMALL; - if (spec.field_width == -1) { - spec.field_width = default_width; - spec.flags |= ZEROPAD; - } - spec.base = 16; - return number(buf, end, (unsigned long) ptr, spec); + /* default is to _not_ leak addresses, hash before printing */ + return ptr_to_id(buf, end, ptr, spec); } /* diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 74b52dfd5852..84b2dc76f140 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -113,11 +113,23 @@ static const struct file_operations bdi_debug_stats_fops = { .release = single_release, }; -static void bdi_debug_register(struct backing_dev_info *bdi, const char *name) +static int bdi_debug_register(struct backing_dev_info *bdi, const char *name) { + if (!bdi_debug_root) + return -ENOMEM; + bdi->debug_dir = debugfs_create_dir(name, bdi_debug_root); + if (!bdi->debug_dir) + return -ENOMEM; + bdi->debug_stats = debugfs_create_file("stats", 0444, bdi->debug_dir, bdi, &bdi_debug_stats_fops); + if (!bdi->debug_stats) { + debugfs_remove(bdi->debug_dir); + return -ENOMEM; + } + + return 0; } static void bdi_debug_unregister(struct backing_dev_info *bdi) @@ -129,9 +141,10 @@ static void bdi_debug_unregister(struct backing_dev_info *bdi) static inline void bdi_debug_init(void) { } -static inline void bdi_debug_register(struct backing_dev_info *bdi, +static inline int bdi_debug_register(struct backing_dev_info *bdi, const char *name) { + return 0; } static inline void bdi_debug_unregister(struct backing_dev_info *bdi) { @@ -869,10 +882,13 @@ int bdi_register_va(struct backing_dev_info *bdi, const char *fmt, va_list args) if (IS_ERR(dev)) return PTR_ERR(dev); + if (bdi_debug_register(bdi, dev_name(dev))) { + device_destroy(bdi_class, dev->devt); + return -ENOMEM; + } cgwb_bdi_register(bdi); bdi->dev = dev; - bdi_debug_register(bdi, dev_name(dev)); set_bit(WB_registered, &bdi->wb.state); spin_lock_bh(&bdi_lock); diff --git a/mm/frame_vector.c b/mm/frame_vector.c index 2f98df0d460e..297c7238f7d4 100644 --- a/mm/frame_vector.c +++ b/mm/frame_vector.c @@ -53,6 +53,18 @@ int get_vaddr_frames(unsigned long start, unsigned int nr_frames, ret = -EFAULT; goto out; } + + /* + * While get_vaddr_frames() could be used for transient (kernel + * controlled lifetime) pinning of memory pages all current + * users establish long term (userspace controlled lifetime) + * page pinning. Treat get_vaddr_frames() like + * get_user_pages_longterm() and disallow it for filesystem-dax + * mappings. + */ + if (vma_is_fsdax(vma)) + return -EOPNOTSUPP; + if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) { vec->got_ref = true; vec->is_pfns = false; @@ -66,7 +66,7 @@ static int follow_pfn_pte(struct vm_area_struct *vma, unsigned long address, */ static inline bool can_follow_write_pte(pte_t pte, unsigned int flags) { - return pte_write(pte) || + return pte_access_permitted(pte, WRITE) || ((flags & FOLL_FORCE) && (flags & FOLL_COW) && pte_dirty(pte)); } @@ -848,7 +848,7 @@ static __always_inline long __get_user_pages_locked(struct task_struct *tsk, unsigned long nr_pages, struct page **pages, struct vm_area_struct **vmas, - int *locked, bool notify_drop, + int *locked, unsigned int flags) { long ret, pages_done; @@ -922,7 +922,7 @@ static __always_inline long __get_user_pages_locked(struct task_struct *tsk, pages++; start += PAGE_SIZE; } - if (notify_drop && lock_dropped && *locked) { + if (lock_dropped && *locked) { /* * We must let the caller know we temporarily dropped the lock * and so the critical section protected by it was lost. @@ -959,36 +959,12 @@ long get_user_pages_locked(unsigned long start, unsigned long nr_pages, int *locked) { return __get_user_pages_locked(current, current->mm, start, nr_pages, - pages, NULL, locked, true, + pages, NULL, locked, gup_flags | FOLL_TOUCH); } EXPORT_SYMBOL(get_user_pages_locked); /* - * Same as get_user_pages_unlocked(...., FOLL_TOUCH) but it allows for - * tsk, mm to be specified. - * - * NOTE: here FOLL_TOUCH is not set implicitly and must be set by the - * caller if required (just like with __get_user_pages). "FOLL_GET" - * is set implicitly if "pages" is non-NULL. - */ -static __always_inline long __get_user_pages_unlocked(struct task_struct *tsk, - struct mm_struct *mm, unsigned long start, - unsigned long nr_pages, struct page **pages, - unsigned int gup_flags) -{ - long ret; - int locked = 1; - - down_read(&mm->mmap_sem); - ret = __get_user_pages_locked(tsk, mm, start, nr_pages, pages, NULL, - &locked, false, gup_flags); - if (locked) - up_read(&mm->mmap_sem); - return ret; -} - -/* * get_user_pages_unlocked() is suitable to replace the form: * * down_read(&mm->mmap_sem); @@ -1006,8 +982,16 @@ static __always_inline long __get_user_pages_unlocked(struct task_struct *tsk, long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages, struct page **pages, unsigned int gup_flags) { - return __get_user_pages_unlocked(current, current->mm, start, nr_pages, - pages, gup_flags | FOLL_TOUCH); + struct mm_struct *mm = current->mm; + int locked = 1; + long ret; + + down_read(&mm->mmap_sem); + ret = __get_user_pages_locked(current, mm, start, nr_pages, pages, NULL, + &locked, gup_flags | FOLL_TOUCH); + if (locked) + up_read(&mm->mmap_sem); + return ret; } EXPORT_SYMBOL(get_user_pages_unlocked); @@ -1073,7 +1057,7 @@ long get_user_pages_remote(struct task_struct *tsk, struct mm_struct *mm, struct vm_area_struct **vmas, int *locked) { return __get_user_pages_locked(tsk, mm, start, nr_pages, pages, vmas, - locked, true, + locked, gup_flags | FOLL_TOUCH | FOLL_REMOTE); } EXPORT_SYMBOL(get_user_pages_remote); @@ -1090,11 +1074,75 @@ long get_user_pages(unsigned long start, unsigned long nr_pages, struct vm_area_struct **vmas) { return __get_user_pages_locked(current, current->mm, start, nr_pages, - pages, vmas, NULL, false, + pages, vmas, NULL, gup_flags | FOLL_TOUCH); } EXPORT_SYMBOL(get_user_pages); +#ifdef CONFIG_FS_DAX +/* + * This is the same as get_user_pages() in that it assumes we are + * operating on the current task's mm, but it goes further to validate + * that the vmas associated with the address range are suitable for + * longterm elevated page reference counts. For example, filesystem-dax + * mappings are subject to the lifetime enforced by the filesystem and + * we need guarantees that longterm users like RDMA and V4L2 only + * establish mappings that have a kernel enforced revocation mechanism. + * + * "longterm" == userspace controlled elevated page count lifetime. + * Contrast this to iov_iter_get_pages() usages which are transient. + */ +long get_user_pages_longterm(unsigned long start, unsigned long nr_pages, + unsigned int gup_flags, struct page **pages, + struct vm_area_struct **vmas_arg) +{ + struct vm_area_struct **vmas = vmas_arg; + struct vm_area_struct *vma_prev = NULL; + long rc, i; + + if (!pages) + return -EINVAL; + + if (!vmas) { + vmas = kcalloc(nr_pages, sizeof(struct vm_area_struct *), + GFP_KERNEL); + if (!vmas) + return -ENOMEM; + } + + rc = get_user_pages(start, nr_pages, gup_flags, pages, vmas); + + for (i = 0; i < rc; i++) { + struct vm_area_struct *vma = vmas[i]; + + if (vma == vma_prev) + continue; + + vma_prev = vma; + + if (vma_is_fsdax(vma)) + break; + } + + /* + * Either get_user_pages() failed, or the vma validation + * succeeded, in either case we don't need to put_page() before + * returning. + */ + if (i >= rc) + goto out; + + for (i = 0; i < rc; i++) + put_page(pages[i]); + rc = -EOPNOTSUPP; +out: + if (vmas != vmas_arg) + kfree(vmas); + return rc; +} +EXPORT_SYMBOL(get_user_pages_longterm); +#endif /* CONFIG_FS_DAX */ + /** * populate_vma_page_range() - populate a range of pages in the vma. * @vma: target vma @@ -391,11 +391,11 @@ again: if (pmd_protnone(pmd)) return hmm_vma_walk_clear(start, end, walk); - if (write_fault && !pmd_write(pmd)) + if (!pmd_access_permitted(pmd, write_fault)) return hmm_vma_walk_clear(start, end, walk); pfn = pmd_pfn(pmd) + pte_index(addr); - flag |= pmd_write(pmd) ? HMM_PFN_WRITE : 0; + flag |= pmd_access_permitted(pmd, WRITE) ? HMM_PFN_WRITE : 0; for (; addr < end; addr += PAGE_SIZE, i++, pfn++) pfns[i] = hmm_pfn_t_from_pfn(pfn) | flag; return 0; @@ -456,11 +456,11 @@ again: continue; } - if (write_fault && !pte_write(pte)) + if (!pte_access_permitted(pte, write_fault)) goto fault; pfns[i] = hmm_pfn_t_from_pfn(pte_pfn(pte)) | flag; - pfns[i] |= pte_write(pte) ? HMM_PFN_WRITE : 0; + pfns[i] |= pte_access_permitted(pte, WRITE) ? HMM_PFN_WRITE : 0; continue; fault: diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 86fe697e8bfb..2f2f5e774902 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -842,20 +842,15 @@ EXPORT_SYMBOL_GPL(vmf_insert_pfn_pud); #endif /* CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD */ static void touch_pmd(struct vm_area_struct *vma, unsigned long addr, - pmd_t *pmd) + pmd_t *pmd, int flags) { pmd_t _pmd; - /* - * We should set the dirty bit only for FOLL_WRITE but for now - * the dirty bit in the pmd is meaningless. And if the dirty - * bit will become meaningful and we'll only set it with - * FOLL_WRITE, an atomic set_bit will be required on the pmd to - * set the young bit, instead of the current set_pmd_at. - */ - _pmd = pmd_mkyoung(pmd_mkdirty(*pmd)); + _pmd = pmd_mkyoung(*pmd); + if (flags & FOLL_WRITE) + _pmd = pmd_mkdirty(_pmd); if (pmdp_set_access_flags(vma, addr & HPAGE_PMD_MASK, - pmd, _pmd, 1)) + pmd, _pmd, flags & FOLL_WRITE)) update_mmu_cache_pmd(vma, addr, pmd); } @@ -875,7 +870,7 @@ struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, */ WARN_ONCE(flags & FOLL_COW, "mm: In follow_devmap_pmd with FOLL_COW set"); - if (flags & FOLL_WRITE && !pmd_write(*pmd)) + if (!pmd_access_permitted(*pmd, flags & FOLL_WRITE)) return NULL; if (pmd_present(*pmd) && pmd_devmap(*pmd)) @@ -884,7 +879,7 @@ struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, return NULL; if (flags & FOLL_TOUCH) - touch_pmd(vma, addr, pmd); + touch_pmd(vma, addr, pmd, flags); /* * device mapped pages can only be returned if the @@ -995,20 +990,15 @@ out: #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD static void touch_pud(struct vm_area_struct *vma, unsigned long addr, - pud_t *pud) + pud_t *pud, int flags) { pud_t _pud; - /* - * We should set the dirty bit only for FOLL_WRITE but for now - * the dirty bit in the pud is meaningless. And if the dirty - * bit will become meaningful and we'll only set it with - * FOLL_WRITE, an atomic set_bit will be required on the pud to - * set the young bit, instead of the current set_pud_at. - */ - _pud = pud_mkyoung(pud_mkdirty(*pud)); + _pud = pud_mkyoung(*pud); + if (flags & FOLL_WRITE) + _pud = pud_mkdirty(_pud); if (pudp_set_access_flags(vma, addr & HPAGE_PUD_MASK, - pud, _pud, 1)) + pud, _pud, flags & FOLL_WRITE)) update_mmu_cache_pud(vma, addr, pud); } @@ -1022,7 +1012,7 @@ struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, assert_spin_locked(pud_lockptr(mm, pud)); - if (flags & FOLL_WRITE && !pud_write(*pud)) + if (!pud_access_permitted(*pud, flags & FOLL_WRITE)) return NULL; if (pud_present(*pud) && pud_devmap(*pud)) @@ -1031,7 +1021,7 @@ struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, return NULL; if (flags & FOLL_TOUCH) - touch_pud(vma, addr, pud); + touch_pud(vma, addr, pud, flags); /* * device mapped pages can only be returned if the @@ -1396,7 +1386,7 @@ out_unlock: */ static inline bool can_follow_write_pmd(pmd_t pmd, unsigned int flags) { - return pmd_write(pmd) || + return pmd_access_permitted(pmd, WRITE) || ((flags & FOLL_FORCE) && (flags & FOLL_COW) && pmd_dirty(pmd)); } @@ -1424,7 +1414,7 @@ struct page *follow_trans_huge_pmd(struct vm_area_struct *vma, page = pmd_page(*pmd); VM_BUG_ON_PAGE(!PageHead(page) && !is_zone_device_page(page), page); if (flags & FOLL_TOUCH) - touch_pmd(vma, addr, pmd); + touch_pmd(vma, addr, pmd, flags); if ((flags & FOLL_MLOCK) && (vma->vm_flags & VM_LOCKED)) { /* * We don't mlock() pte-mapped THPs. This way we can avoid diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 681b300185c0..9a334f5fb730 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3125,6 +3125,13 @@ static void hugetlb_vm_op_close(struct vm_area_struct *vma) } } +static int hugetlb_vm_op_split(struct vm_area_struct *vma, unsigned long addr) +{ + if (addr & ~(huge_page_mask(hstate_vma(vma)))) + return -EINVAL; + return 0; +} + /* * We cannot handle pagefaults against hugetlb pages at all. They cause * handle_mm_fault() to try to instantiate regular-sized pages in the @@ -3141,6 +3148,7 @@ const struct vm_operations_struct hugetlb_vm_ops = { .fault = hugetlb_vm_op_fault, .open = hugetlb_vm_op_open, .close = hugetlb_vm_op_close, + .split = hugetlb_vm_op_split, }; static pte_t make_huge_pte(struct vm_area_struct *vma, struct page *page, @@ -4627,7 +4635,9 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, pte_t *pte = NULL; pgd = pgd_offset(mm, addr); - p4d = p4d_offset(pgd, addr); + p4d = p4d_alloc(mm, pgd, addr); + if (!p4d) + return NULL; pud = pud_alloc(mm, p4d, addr); if (pud) { if (sz == PUD_SIZE) { diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 6bcfb01ba038..410c8235e671 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -134,7 +134,7 @@ static void print_error_description(struct kasan_access_info *info) pr_err("BUG: KASAN: %s in %pS\n", bug_type, (void *)info->ip); - pr_err("%s of size %zu at addr %p by task %s/%d\n", + pr_err("%s of size %zu at addr %px by task %s/%d\n", info->is_write ? "Write" : "Read", info->access_size, info->access_addr, current->comm, task_pid_nr(current)); } @@ -206,7 +206,7 @@ static void describe_object_addr(struct kmem_cache *cache, void *object, const char *rel_type; int rel_bytes; - pr_err("The buggy address belongs to the object at %p\n" + pr_err("The buggy address belongs to the object at %px\n" " which belongs to the cache %s of size %d\n", object, cache->name, cache->object_size); @@ -225,7 +225,7 @@ static void describe_object_addr(struct kmem_cache *cache, void *object, } pr_err("The buggy address is located %d bytes %s of\n" - " %d-byte region [%p, %p)\n", + " %d-byte region [%px, %px)\n", rel_bytes, rel_type, cache->object_size, (void *)object_addr, (void *)(object_addr + cache->object_size)); } @@ -302,7 +302,7 @@ static void print_shadow_for_address(const void *addr) char shadow_buf[SHADOW_BYTES_PER_ROW]; snprintf(buffer, sizeof(buffer), - (i == 0) ? ">%p: " : " %p: ", kaddr); + (i == 0) ? ">%px: " : " %px: ", kaddr); /* * We should not pass a shadow pointer to generic * function, because generic functions may try to diff --git a/mm/kmemleak.c b/mm/kmemleak.c index e4738d5e9b8c..3d4781756d50 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -1523,6 +1523,8 @@ static void kmemleak_scan(void) if (page_count(page) == 0) continue; scan_block(page, page + 1, NULL); + if (!(pfn % (MAX_SCAN_SIZE / sizeof(*page)))) + cond_resched(); } } put_online_mems(); diff --git a/mm/madvise.c b/mm/madvise.c index 375cf32087e4..751e97aa2210 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -276,15 +276,14 @@ static long madvise_willneed(struct vm_area_struct *vma, { struct file *file = vma->vm_file; + *prev = vma; #ifdef CONFIG_SWAP if (!file) { - *prev = vma; force_swapin_readahead(vma, start, end); return 0; } if (shmem_mapping(file->f_mapping)) { - *prev = vma; force_shm_swapin_readahead(vma, start, end, file->f_mapping); return 0; @@ -299,7 +298,6 @@ static long madvise_willneed(struct vm_area_struct *vma, return 0; } - *prev = vma; start = ((start - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; if (end > vma->vm_end) end = vma->vm_end; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 50e6906314f8..9011997d8a5c 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3777,7 +3777,7 @@ static int memcg_event_wake(wait_queue_entry_t *wait, unsigned mode, struct mem_cgroup_event *event = container_of(wait, struct mem_cgroup_event, wait); struct mem_cgroup *memcg = event->memcg; - unsigned long flags = (unsigned long)key; + __poll_t flags = key_to_poll(key); if (flags & POLLHUP) { /* @@ -6044,7 +6044,7 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry) memcg_check_events(memcg, page); if (!mem_cgroup_is_root(memcg)) - css_put(&memcg->css); + css_put_many(&memcg->css, nr_entries); } /** diff --git a/mm/memory.c b/mm/memory.c index 85e7a87da79f..5eb3d2524bdc 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3948,7 +3948,7 @@ static int handle_pte_fault(struct vm_fault *vmf) if (unlikely(!pte_same(*vmf->pte, entry))) goto unlock; if (vmf->flags & FAULT_FLAG_WRITE) { - if (!pte_write(entry)) + if (!pte_access_permitted(entry, WRITE)) return do_wp_page(vmf); entry = pte_mkdirty(entry); } @@ -4013,7 +4013,7 @@ static int __handle_mm_fault(struct vm_area_struct *vma, unsigned long address, /* NUMA case for anonymous PUDs would go here */ - if (dirty && !pud_write(orig_pud)) { + if (dirty && !pud_access_permitted(orig_pud, WRITE)) { ret = wp_huge_pud(&vmf, orig_pud); if (!(ret & VM_FAULT_FALLBACK)) return ret; @@ -4046,7 +4046,7 @@ static int __handle_mm_fault(struct vm_area_struct *vma, unsigned long address, if (pmd_protnone(orig_pmd) && vma_is_accessible(vma)) return do_huge_pmd_numa_page(&vmf, orig_pmd); - if (dirty && !pmd_write(orig_pmd)) { + if (dirty && !pmd_access_permitted(orig_pmd, WRITE)) { ret = wp_huge_pmd(&vmf, orig_pmd); if (!(ret & VM_FAULT_FALLBACK)) return ret; @@ -4336,7 +4336,7 @@ int follow_phys(struct vm_area_struct *vma, goto out; pte = *ptep; - if ((flags & FOLL_WRITE) && !pte_write(pte)) + if (!pte_access_permitted(pte, flags & FOLL_WRITE)) goto unlock; *prot = pgprot_val(pte_pgprot(pte)); diff --git a/mm/mmap.c b/mm/mmap.c index 924839fac0e6..a4d546821214 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2555,9 +2555,11 @@ int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, struct vm_area_struct *new; int err; - if (is_vm_hugetlb_page(vma) && (addr & - ~(huge_page_mask(hstate_vma(vma))))) - return -EINVAL; + if (vma->vm_ops && vma->vm_ops->split) { + err = vma->vm_ops->split(vma, addr); + if (err) + return err; + } new = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); if (!new) diff --git a/mm/oom_kill.c b/mm/oom_kill.c index c86fbd1b590e..c957be32b27a 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -550,7 +550,6 @@ static bool __oom_reap_task_mm(struct task_struct *tsk, struct mm_struct *mm) */ set_bit(MMF_UNSTABLE, &mm->flags); - tlb_gather_mmu(&tlb, mm, 0, -1); for (vma = mm->mmap ; vma; vma = vma->vm_next) { if (!can_madv_dontneed_vma(vma)) continue; @@ -565,11 +564,13 @@ static bool __oom_reap_task_mm(struct task_struct *tsk, struct mm_struct *mm) * we do not want to block exit_mmap by keeping mm ref * count elevated without a good reason. */ - if (vma_is_anonymous(vma) || !(vma->vm_flags & VM_SHARED)) + if (vma_is_anonymous(vma) || !(vma->vm_flags & VM_SHARED)) { + tlb_gather_mmu(&tlb, mm, vma->vm_start, vma->vm_end); unmap_page_range(&tlb, vma, vma->vm_start, vma->vm_end, NULL); + tlb_finish_mmu(&tlb, vma->vm_start, vma->vm_end); + } } - tlb_finish_mmu(&tlb, 0, -1); pr_info("oom_reaper: reaped process %d (%s), now anon-rss:%lukB, file-rss:%lukB, shmem-rss:%lukB\n", task_pid_nr(tsk), tsk->comm, K(get_mm_counter(mm, MM_ANONPAGES)), diff --git a/mm/page-writeback.c b/mm/page-writeback.c index e7095030aa1f..586f31261c83 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -433,11 +433,8 @@ static void domain_dirty_limits(struct dirty_throttle_control *dtc) else bg_thresh = (bg_ratio * available_memory) / PAGE_SIZE; - if (unlikely(bg_thresh >= thresh)) { - pr_warn("vm direct limit must be set greater than background limit.\n"); + if (bg_thresh >= thresh) bg_thresh = thresh / 2; - } - tsk = current; if (tsk->flags & PF_LESS_THROTTLE || rt_task(tsk)) { bg_thresh += bg_thresh / 4 + global_wb_domain.dirty_limit / 32; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d4096f4a5c1f..73f5d4556b3d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2507,10 +2507,6 @@ void drain_all_pages(struct zone *zone) if (WARN_ON_ONCE(!mm_percpu_wq)) return; - /* Workqueues cannot recurse */ - if (current->flags & PF_WQ_WORKER) - return; - /* * Do not drain if one is already in progress unless it's specific to * a zone. Such callers are primarily CMA and memory hotplug and need @@ -7656,11 +7652,18 @@ int alloc_contig_range(unsigned long start, unsigned long end, /* * In case of -EBUSY, we'd like to know which page causes problem. - * So, just fall through. We will check it in test_pages_isolated(). + * So, just fall through. test_pages_isolated() has a tracepoint + * which will report the busy page. + * + * It is possible that busy pages could become available before + * the call to test_pages_isolated, and the range will actually be + * allocated. So, if we fall through be sure to clear ret so that + * -EBUSY is not accidentally used or returned to caller. */ ret = __alloc_contig_migrate_range(&cc, start, end); if (ret && ret != -EBUSY) goto done; + ret =0; /* * Pages from [start, end) are within a MAX_ORDER_NR_PAGES diff --git a/mm/shmem.c b/mm/shmem.c index 4aa9307feab0..7fbe67be86fa 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -3776,7 +3776,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent) * tmpfs instance, limiting inodes to one per page of lowmem; * but the internal instance is left unlimited. */ - if (!(sb->s_flags & MS_KERNMOUNT)) { + if (!(sb->s_flags & SB_KERNMOUNT)) { sbinfo->max_blocks = shmem_default_max_blocks(); sbinfo->max_inodes = shmem_default_max_inodes(); if (shmem_parse_options(data, sbinfo, false)) { @@ -3784,12 +3784,12 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent) goto failed; } } else { - sb->s_flags |= MS_NOUSER; + sb->s_flags |= SB_NOUSER; } sb->s_export_op = &shmem_export_ops; - sb->s_flags |= MS_NOSEC; + sb->s_flags |= SB_NOSEC; #else - sb->s_flags |= MS_NOUSER; + sb->s_flags |= SB_NOUSER; #endif spin_lock_init(&sbinfo->stat_lock); @@ -3809,7 +3809,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent) sb->s_xattr = shmem_xattr_handlers; #endif #ifdef CONFIG_TMPFS_POSIX_ACL - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; #endif uuid_gen(&sb->s_uuid); diff --git a/mm/swapfile.c b/mm/swapfile.c index 3074b02eaa09..42fe5653814a 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2697,7 +2697,7 @@ out: } #ifdef CONFIG_PROC_FS -static unsigned swaps_poll(struct file *file, poll_table *wait) +static __poll_t swaps_poll(struct file *file, poll_table *wait) { struct seq_file *seq = file->private_data; diff --git a/mm/vmscan.c b/mm/vmscan.c index c02c850ea349..47d5ced51f2d 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -297,10 +297,13 @@ EXPORT_SYMBOL(register_shrinker); */ void unregister_shrinker(struct shrinker *shrinker) { + if (!shrinker->nr_deferred) + return; down_write(&shrinker_rwsem); list_del(&shrinker->list); up_write(&shrinker_rwsem); kfree(shrinker->nr_deferred); + shrinker->nr_deferred = NULL; } EXPORT_SYMBOL(unregister_shrinker); diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index 985046ae4231..439014113a5c 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -228,32 +228,31 @@ static void p9_conn_cancel(struct p9_conn *m, int err) } } -static int -p9_fd_poll(struct p9_client *client, struct poll_table_struct *pt) +static __poll_t +p9_fd_poll(struct p9_client *client, struct poll_table_struct *pt, int *err) { - int ret, n; + __poll_t ret, n; struct p9_trans_fd *ts = NULL; if (client && client->status == Connected) ts = client->trans; - if (!ts) - return -EREMOTEIO; + if (!ts) { + if (err) + *err = -EREMOTEIO; + return POLLERR; + } if (!ts->rd->f_op->poll) - return -EIO; - - if (!ts->wr->f_op->poll) - return -EIO; - - ret = ts->rd->f_op->poll(ts->rd, pt); - if (ret < 0) - return ret; + ret = DEFAULT_POLLMASK; + else + ret = ts->rd->f_op->poll(ts->rd, pt); if (ts->rd != ts->wr) { - n = ts->wr->f_op->poll(ts->wr, pt); - if (n < 0) - return n; + if (!ts->wr->f_op->poll) + n = DEFAULT_POLLMASK; + else + n = ts->wr->f_op->poll(ts->wr, pt); ret = (ret & ~POLLOUT) | (n & ~POLLIN); } @@ -298,7 +297,8 @@ static int p9_fd_read(struct p9_client *client, void *v, int len) static void p9_read_work(struct work_struct *work) { - int n, err; + __poll_t n; + int err; struct p9_conn *m; int status = REQ_STATUS_ERROR; @@ -398,7 +398,7 @@ end_clear: if (test_and_clear_bit(Rpending, &m->wsched)) n = POLLIN; else - n = p9_fd_poll(m->client, NULL); + n = p9_fd_poll(m->client, NULL, NULL); if ((n & POLLIN) && !test_and_set_bit(Rworksched, &m->wsched)) { p9_debug(P9_DEBUG_TRANS, "sched read work %p\n", m); @@ -448,7 +448,8 @@ static int p9_fd_write(struct p9_client *client, void *v, int len) static void p9_write_work(struct work_struct *work) { - int n, err; + __poll_t n; + int err; struct p9_conn *m; struct p9_req_t *req; @@ -506,7 +507,7 @@ end_clear: if (test_and_clear_bit(Wpending, &m->wsched)) n = POLLOUT; else - n = p9_fd_poll(m->client, NULL); + n = p9_fd_poll(m->client, NULL, NULL); if ((n & POLLOUT) && !test_and_set_bit(Wworksched, &m->wsched)) { @@ -581,7 +582,7 @@ p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p) static void p9_conn_create(struct p9_client *client) { - int n; + __poll_t n; struct p9_trans_fd *ts = client->trans; struct p9_conn *m = &ts->conn; @@ -597,7 +598,7 @@ static void p9_conn_create(struct p9_client *client) INIT_LIST_HEAD(&m->poll_pending_link); init_poll_funcptr(&m->pt, p9_pollwait); - n = p9_fd_poll(client, &m->pt); + n = p9_fd_poll(client, &m->pt, NULL); if (n & POLLIN) { p9_debug(P9_DEBUG_TRANS, "mux %p can read\n", m); set_bit(Rpending, &m->wsched); @@ -617,17 +618,16 @@ static void p9_conn_create(struct p9_client *client) static void p9_poll_mux(struct p9_conn *m) { - int n; + __poll_t n; + int err = -ECONNRESET; if (m->err < 0) return; - n = p9_fd_poll(m->client, NULL); - if (n < 0 || n & (POLLERR | POLLHUP | POLLNVAL)) { + n = p9_fd_poll(m->client, NULL, &err); + if (n & (POLLERR | POLLHUP | POLLNVAL)) { p9_debug(P9_DEBUG_TRANS, "error mux %p err %d\n", m, n); - if (n >= 0) - n = -ECONNRESET; - p9_conn_cancel(m, n); + p9_conn_cancel(m, err); } if (n & POLLIN) { @@ -663,7 +663,7 @@ static void p9_poll_mux(struct p9_conn *m) static int p9_fd_request(struct p9_client *client, struct p9_req_t *req) { - int n; + __poll_t n; struct p9_trans_fd *ts = client->trans; struct p9_conn *m = &ts->conn; @@ -680,7 +680,7 @@ static int p9_fd_request(struct p9_client *client, struct p9_req_t *req) if (test_and_clear_bit(Wpending, &m->wsched)) n = POLLOUT; else - n = p9_fd_poll(m->client, NULL); + n = p9_fd_poll(m->client, NULL, NULL); if (n & POLLOUT && !test_and_set_bit(Wworksched, &m->wsched)) schedule_work(&m->wq); diff --git a/net/atm/common.c b/net/atm/common.c index 8a4f99114cd2..8f12f1c6fa14 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -648,11 +648,11 @@ out: return error; } -unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait) +__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct atm_vcc *vcc; - unsigned int mask; + __poll_t mask; sock_poll_wait(file, sk_sleep(sk), wait); mask = 0; diff --git a/net/atm/common.h b/net/atm/common.h index d9d583712a91..5850649068bb 100644 --- a/net/atm/common.h +++ b/net/atm/common.h @@ -17,7 +17,7 @@ int vcc_connect(struct socket *sock, int itf, short vpi, int vci); int vcc_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, int flags); int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len); -unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait); +__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait); int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); int vcc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); int vcc_setsockopt(struct socket *sock, int level, int optname, diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c index bded31121d12..a98e0a986cef 100644 --- a/net/batman-adv/icmp_socket.c +++ b/net/batman-adv/icmp_socket.c @@ -292,7 +292,7 @@ out: return len; } -static unsigned int batadv_socket_poll(struct file *file, poll_table *wait) +static __poll_t batadv_socket_poll(struct file *file, poll_table *wait) { struct batadv_socket_client *socket_client = file->private_data; diff --git a/net/batman-adv/log.c b/net/batman-adv/log.c index 4ef4bde2cc2d..76451460c98d 100644 --- a/net/batman-adv/log.c +++ b/net/batman-adv/log.c @@ -176,7 +176,7 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf, return error; } -static unsigned int batadv_log_poll(struct file *file, poll_table *wait) +static __poll_t batadv_log_poll(struct file *file, poll_table *wait) { struct batadv_priv *bat_priv = file->private_data; struct batadv_priv_debug_log *debug_log = bat_priv->debug_log; diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 91e3ba280706..671b907ba678 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -421,7 +421,7 @@ out: } EXPORT_SYMBOL(bt_sock_stream_recvmsg); -static inline unsigned int bt_accept_poll(struct sock *parent) +static inline __poll_t bt_accept_poll(struct sock *parent) { struct bt_sock *s, *n; struct sock *sk; @@ -437,11 +437,11 @@ static inline unsigned int bt_accept_poll(struct sock *parent) return 0; } -unsigned int bt_sock_poll(struct file *file, struct socket *sock, +__poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; - unsigned int mask = 0; + __poll_t mask = 0; BT_DBG("sock %p, sk %p", sock, sk); diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 632d5a416d97..64048cec41e0 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -934,11 +934,11 @@ static int caif_release(struct socket *sock) } /* Copied from af_unix.c:unix_poll(), added CAIF tx_flow handling */ -static unsigned int caif_poll(struct file *file, +static __poll_t caif_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; - unsigned int mask; + __poll_t mask; struct caifsock *cf_sk = container_of(sk, struct caifsock, sk); sock_poll_wait(file, sk_sleep(sk), wait); diff --git a/net/core/datagram.c b/net/core/datagram.c index 522873ed120b..b7d9293940b5 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -72,12 +72,10 @@ static inline int connection_based(struct sock *sk) static int receiver_wake_function(wait_queue_entry_t *wait, unsigned int mode, int sync, void *key) { - unsigned long bits = (unsigned long)key; - /* * Avoid a wakeup if event not interesting for us */ - if (bits && !(bits & (POLLIN | POLLERR))) + if (key && !(key_to_poll(key) & (POLLIN | POLLERR))) return 0; return autoremove_wake_function(wait, mode, sync, key); } @@ -833,11 +831,11 @@ EXPORT_SYMBOL(skb_copy_and_csum_datagram_msg); * and you use a different write policy from sock_writeable() * then please supply your own write_space callback. */ -unsigned int datagram_poll(struct file *file, struct socket *sock, +__poll_t datagram_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; - unsigned int mask; + __poll_t mask; sock_poll_wait(file, sk_sleep(sk), wait); mask = 0; diff --git a/net/core/sock.c b/net/core/sock.c index c0b5b2f17412..1211159718ad 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2496,7 +2496,7 @@ int sock_no_getname(struct socket *sock, struct sockaddr *saddr, } EXPORT_SYMBOL(sock_no_getname); -unsigned int sock_no_poll(struct file *file, struct socket *sock, poll_table *pt) +__poll_t sock_no_poll(struct file *file, struct socket *sock, poll_table *pt) { return 0; } diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index 0c55ffb859bf..f91e3816806b 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -316,7 +316,7 @@ int dccp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, int flags, int *addr_len); void dccp_shutdown(struct sock *sk, int how); int inet_dccp_listen(struct socket *sock, int backlog); -unsigned int dccp_poll(struct file *file, struct socket *sock, +__poll_t dccp_poll(struct file *file, struct socket *sock, poll_table *wait); int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); void dccp_req_err(struct sock *sk, u64 seq); diff --git a/net/dccp/proto.c b/net/dccp/proto.c index b68168fcc06a..cfa9ca9939ce 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -313,10 +313,10 @@ EXPORT_SYMBOL_GPL(dccp_disconnect); * take care of normal races (between the test and the event) and we don't * go look at any of the socket buffers directly. */ -unsigned int dccp_poll(struct file *file, struct socket *sock, +__poll_t dccp_poll(struct file *file, struct socket *sock, poll_table *wait) { - unsigned int mask; + __poll_t mask; struct sock *sk = sock->sk; sock_poll_wait(file, sk_sleep(sk), wait); diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index 518cea17b811..9c2dde819817 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -1209,11 +1209,11 @@ static int dn_getname(struct socket *sock, struct sockaddr *uaddr,int *uaddr_len } -static unsigned int dn_poll(struct file *file, struct socket *sock, poll_table *wait) +static __poll_t dn_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct dn_scp *scp = DN_SK(sk); - int mask = datagram_poll(file, sock, wait); + __poll_t mask = datagram_poll(file, sock, wait); if (!skb_queue_empty(&scp->other_receive_queue)) mask |= POLLRDBAND; diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index 44e3fb7dec8c..1e287420ff49 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -51,9 +51,7 @@ static struct dsa_switch_tree *dsa_tree_alloc(int index) INIT_LIST_HEAD(&dst->list); list_add_tail(&dsa_tree_list, &dst->list); - /* Initialize the reference counter to the number of switches, not 1 */ kref_init(&dst->refcount); - refcount_set(&dst->refcount.refcount, 0); return dst; } @@ -64,20 +62,23 @@ static void dsa_tree_free(struct dsa_switch_tree *dst) kfree(dst); } -static struct dsa_switch_tree *dsa_tree_touch(int index) +static struct dsa_switch_tree *dsa_tree_get(struct dsa_switch_tree *dst) { - struct dsa_switch_tree *dst; - - dst = dsa_tree_find(index); - if (!dst) - dst = dsa_tree_alloc(index); + if (dst) + kref_get(&dst->refcount); return dst; } -static void dsa_tree_get(struct dsa_switch_tree *dst) +static struct dsa_switch_tree *dsa_tree_touch(int index) { - kref_get(&dst->refcount); + struct dsa_switch_tree *dst; + + dst = dsa_tree_find(index); + if (dst) + return dsa_tree_get(dst); + else + return dsa_tree_alloc(index); } static void dsa_tree_release(struct kref *ref) @@ -91,7 +92,8 @@ static void dsa_tree_release(struct kref *ref) static void dsa_tree_put(struct dsa_switch_tree *dst) { - kref_put(&dst->refcount, dsa_tree_release); + if (dst) + kref_put(&dst->refcount, dsa_tree_release); } static bool dsa_port_is_dsa(struct dsa_port *port) @@ -765,6 +767,7 @@ int dsa_register_switch(struct dsa_switch *ds) mutex_lock(&dsa2_mutex); err = dsa_switch_probe(ds); + dsa_tree_put(ds->dst); mutex_unlock(&dsa2_mutex); return err; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index bf97317e6c97..0b8ca689353b 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -493,9 +493,9 @@ static void tcp_tx_timestamp(struct sock *sk, u16 tsflags) * take care of normal races (between the test and the event) and we don't * go look at any of the socket buffers directly. */ -unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait) +__poll_t tcp_poll(struct file *file, struct socket *sock, poll_table *wait) { - unsigned int mask; + __poll_t mask; struct sock *sk = sock->sk; const struct tcp_sock *tp = tcp_sk(sk); int state; diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index e4ff25c947c5..ef45adfc0edb 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2502,9 +2502,9 @@ int compat_udp_getsockopt(struct sock *sk, int level, int optname, * but then block when reading it. Add special case code * to work around these arguably broken applications. */ -unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait) +__poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait) { - unsigned int mask = datagram_poll(file, sock, wait); + __poll_t mask = datagram_poll(file, sock, wait); struct sock *sk = sock->sk; if (!skb_queue_empty(&udp_sk(sk)->reader_queue)) diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 148533169b1d..64331158d693 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1474,7 +1474,7 @@ done: return copied; } -static inline unsigned int iucv_accept_poll(struct sock *parent) +static inline __poll_t iucv_accept_poll(struct sock *parent) { struct iucv_sock *isk, *n; struct sock *sk; @@ -1489,11 +1489,11 @@ static inline unsigned int iucv_accept_poll(struct sock *parent) return 0; } -unsigned int iucv_sock_poll(struct file *file, struct socket *sock, +__poll_t iucv_sock_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; - unsigned int mask = 0; + __poll_t mask = 0; sock_poll_wait(file, sk_sleep(sk), wait); diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 41f5e48f8021..167f83b853e6 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -292,7 +292,6 @@ void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, mutex_lock(&sta->ampdu_mlme.mtx); for (i = 0; i < IEEE80211_NUM_TIDS; i++) { - ___ieee80211_stop_tx_ba_session(sta, i, reason); ___ieee80211_stop_rx_ba_session(sta, i, WLAN_BACK_RECIPIENT, WLAN_REASON_QSTA_LEAVE_QBSS, reason != AGG_STOP_DESTROY_STA && @@ -300,6 +299,9 @@ void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, } mutex_unlock(&sta->ampdu_mlme.mtx); + for (i = 0; i < IEEE80211_NUM_TIDS; i++) + ___ieee80211_stop_tx_ba_session(sta, i, reason); + /* stopping might queue the work again - so cancel only afterwards */ cancel_work_sync(&sta->ampdu_mlme.work); diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 4f7826d7b47c..4394463a0c2e 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -797,7 +797,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, struct mesh_path *mpath; u8 ttl, flags, hopcount; const u8 *orig_addr; - u32 orig_sn, metric, metric_txsta, interval; + u32 orig_sn, new_metric, orig_metric, last_hop_metric, interval; bool root_is_gate; ttl = rann->rann_ttl; @@ -808,7 +808,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, interval = le32_to_cpu(rann->rann_interval); hopcount = rann->rann_hopcount; hopcount++; - metric = le32_to_cpu(rann->rann_metric); + orig_metric = le32_to_cpu(rann->rann_metric); /* Ignore our own RANNs */ if (ether_addr_equal(orig_addr, sdata->vif.addr)) @@ -825,7 +825,10 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, return; } - metric_txsta = airtime_link_metric_get(local, sta); + last_hop_metric = airtime_link_metric_get(local, sta); + new_metric = orig_metric + last_hop_metric; + if (new_metric < orig_metric) + new_metric = MAX_METRIC; mpath = mesh_path_lookup(sdata, orig_addr); if (!mpath) { @@ -838,7 +841,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, } if (!(SN_LT(mpath->sn, orig_sn)) && - !(mpath->sn == orig_sn && metric < mpath->rann_metric)) { + !(mpath->sn == orig_sn && new_metric < mpath->rann_metric)) { rcu_read_unlock(); return; } @@ -856,7 +859,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, } mpath->sn = orig_sn; - mpath->rann_metric = metric + metric_txsta; + mpath->rann_metric = new_metric; mpath->is_root = true; /* Recording RANNs sender address to send individually * addressed PREQs destined for root mesh STA */ @@ -876,7 +879,7 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr, orig_sn, 0, NULL, 0, broadcast_addr, hopcount, ttl, interval, - metric + metric_txsta, 0, sdata); + new_metric, 0, sdata); } rcu_read_unlock(); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 04460440d731..c244691deab9 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -895,7 +895,7 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local, struct ieee80211_hdr_3addr *nullfunc; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - skb = ieee80211_nullfunc_get(&local->hw, &sdata->vif); + skb = ieee80211_nullfunc_get(&local->hw, &sdata->vif, true); if (!skb) return; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 7b8154474b9e..3160954fc406 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -4438,13 +4438,15 @@ struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw, EXPORT_SYMBOL(ieee80211_pspoll_get); struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) + struct ieee80211_vif *vif, + bool qos_ok) { struct ieee80211_hdr_3addr *nullfunc; struct ieee80211_sub_if_data *sdata; struct ieee80211_if_managed *ifmgd; struct ieee80211_local *local; struct sk_buff *skb; + bool qos = false; if (WARN_ON(vif->type != NL80211_IFTYPE_STATION)) return NULL; @@ -4453,7 +4455,17 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw, ifmgd = &sdata->u.mgd; local = sdata->local; - skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*nullfunc)); + if (qos_ok) { + struct sta_info *sta; + + rcu_read_lock(); + sta = sta_info_get(sdata, ifmgd->bssid); + qos = sta && sta->sta.wme; + rcu_read_unlock(); + } + + skb = dev_alloc_skb(local->hw.extra_tx_headroom + + sizeof(*nullfunc) + 2); if (!skb) return NULL; @@ -4463,6 +4475,19 @@ struct sk_buff *ieee80211_nullfunc_get(struct ieee80211_hw *hw, nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS); + if (qos) { + __le16 qos = cpu_to_le16(7); + + BUILD_BUG_ON((IEEE80211_STYPE_QOS_NULLFUNC | + IEEE80211_STYPE_NULLFUNC) != + IEEE80211_STYPE_QOS_NULLFUNC); + nullfunc->frame_control |= + cpu_to_le16(IEEE80211_STYPE_QOS_NULLFUNC); + skb->priority = 7; + skb_set_queue_mapping(skb, IEEE80211_AC_VO); + skb_put_data(skb, &qos, sizeof(qos)); + } + memcpy(nullfunc->addr1, ifmgd->bssid, ETH_ALEN); memcpy(nullfunc->addr2, vif->addr, ETH_ALEN); memcpy(nullfunc->addr3, ifmgd->bssid, ETH_ALEN); diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index 9ee71cb276d7..fbaf3bd05b2e 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -1636,17 +1636,14 @@ static int ip_vs_receive(struct socket *sock, char *buffer, const size_t buflen) { struct msghdr msg = {NULL,}; - struct kvec iov; + struct kvec iov = {buffer, buflen}; int len; EnterFunction(7); /* Receive a packet */ - iov.iov_base = buffer; - iov.iov_len = (size_t)buflen; - - len = kernel_recvmsg(sock, &msg, &iov, 1, buflen, MSG_DONTWAIT); - + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, buflen); + len = sock_recvmsg(sock, &msg, MSG_DONTWAIT); if (len < 0) return len; diff --git a/net/netfilter/xt_bpf.c b/net/netfilter/xt_bpf.c index 041da0d9c06f..fa2ca0a13619 100644 --- a/net/netfilter/xt_bpf.c +++ b/net/netfilter/xt_bpf.c @@ -52,18 +52,8 @@ static int __bpf_mt_check_fd(int fd, struct bpf_prog **ret) static int __bpf_mt_check_path(const char *path, struct bpf_prog **ret) { - mm_segment_t oldfs = get_fs(); - int retval, fd; - - set_fs(KERNEL_DS); - fd = bpf_obj_get_user(path, 0); - set_fs(oldfs); - if (fd < 0) - return fd; - - retval = __bpf_mt_check_fd(fd, ret); - sys_close(fd); - return retval; + *ret = bpf_prog_get_type_path(path, BPF_PROG_TYPE_SOCKET_FILTER); + return PTR_ERR_OR_ZERO(*ret); } static int bpf_mt_check(const struct xt_mtchk_param *par) diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index fb7afcaa3004..985909f105eb 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -531,7 +531,7 @@ static int llcp_sock_getname(struct socket *sock, struct sockaddr *uaddr, return 0; } -static inline unsigned int llcp_accept_poll(struct sock *parent) +static inline __poll_t llcp_accept_poll(struct sock *parent) { struct nfc_llcp_sock *llcp_sock, *parent_sock; struct sock *sk; @@ -549,11 +549,11 @@ static inline unsigned int llcp_accept_poll(struct sock *parent) return 0; } -static unsigned int llcp_sock_poll(struct file *file, struct socket *sock, +static __poll_t llcp_sock_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; - unsigned int mask = 0; + __poll_t mask = 0; pr_debug("%p\n", sk); diff --git a/net/nfc/nci/uart.c b/net/nfc/nci/uart.c index 8d104c1db628..a66f102c6c01 100644 --- a/net/nfc/nci/uart.c +++ b/net/nfc/nci/uart.c @@ -305,7 +305,7 @@ static ssize_t nci_uart_tty_write(struct tty_struct *tty, struct file *file, return 0; } -static unsigned int nci_uart_tty_poll(struct tty_struct *tty, +static __poll_t nci_uart_tty_poll(struct tty_struct *tty, struct file *filp, poll_table *wait) { return 0; diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 99cfafc2a139..ef38e5aecd28 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -308,7 +308,7 @@ static int queue_gso_packets(struct datapath *dp, struct sk_buff *skb, const struct dp_upcall_info *upcall_info, uint32_t cutlen) { - unsigned short gso_type = skb_shinfo(skb)->gso_type; + unsigned int gso_type = skb_shinfo(skb)->gso_type; struct sw_flow_key later_key; struct sk_buff *segs, *nskb; int err; diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c index dc424798ba6f..624ea74353dd 100644 --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@ -2241,14 +2241,11 @@ int ovs_nla_put_mask(const struct sw_flow *flow, struct sk_buff *skb) #define MAX_ACTIONS_BUFSIZE (32 * 1024) -static struct sw_flow_actions *nla_alloc_flow_actions(int size, bool log) +static struct sw_flow_actions *nla_alloc_flow_actions(int size) { struct sw_flow_actions *sfa; - if (size > MAX_ACTIONS_BUFSIZE) { - OVS_NLERR(log, "Flow action size %u bytes exceeds max", size); - return ERR_PTR(-EINVAL); - } + WARN_ON_ONCE(size > MAX_ACTIONS_BUFSIZE); sfa = kmalloc(sizeof(*sfa) + size, GFP_KERNEL); if (!sfa) @@ -2321,12 +2318,15 @@ static struct nlattr *reserve_sfa_size(struct sw_flow_actions **sfa, new_acts_size = ksize(*sfa) * 2; if (new_acts_size > MAX_ACTIONS_BUFSIZE) { - if ((MAX_ACTIONS_BUFSIZE - next_offset) < req_size) + if ((MAX_ACTIONS_BUFSIZE - next_offset) < req_size) { + OVS_NLERR(log, "Flow action size exceeds max %u", + MAX_ACTIONS_BUFSIZE); return ERR_PTR(-EMSGSIZE); + } new_acts_size = MAX_ACTIONS_BUFSIZE; } - acts = nla_alloc_flow_actions(new_acts_size, log); + acts = nla_alloc_flow_actions(new_acts_size); if (IS_ERR(acts)) return (void *)acts; @@ -3059,7 +3059,7 @@ int ovs_nla_copy_actions(struct net *net, const struct nlattr *attr, { int err; - *sfa = nla_alloc_flow_actions(nla_len(attr), log); + *sfa = nla_alloc_flow_actions(min(nla_len(attr), MAX_ACTIONS_BUFSIZE)); if (IS_ERR(*sfa)) return PTR_ERR(*sfa); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 737092ca9b4e..3b4d6a3cf190 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1687,7 +1687,6 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) atomic_long_set(&rollover->num, 0); atomic_long_set(&rollover->num_huge, 0); atomic_long_set(&rollover->num_failed, 0); - po->rollover = rollover; } if (type_flags & PACKET_FANOUT_FLAG_UNIQUEID) { @@ -1745,6 +1744,8 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) if (refcount_read(&match->sk_ref) < PACKET_FANOUT_MAX) { __dev_remove_pack(&po->prot_hook); po->fanout = match; + po->rollover = rollover; + rollover = NULL; refcount_set(&match->sk_ref, refcount_read(&match->sk_ref) + 1); __fanout_link(sk, po); err = 0; @@ -1758,10 +1759,7 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) } out: - if (err && rollover) { - kfree_rcu(rollover, rcu); - po->rollover = NULL; - } + kfree(rollover); mutex_unlock(&fanout_mutex); return err; } @@ -1785,11 +1783,6 @@ static struct packet_fanout *fanout_release(struct sock *sk) list_del(&f->list); else f = NULL; - - if (po->rollover) { - kfree_rcu(po->rollover, rcu); - po->rollover = NULL; - } } mutex_unlock(&fanout_mutex); @@ -3029,6 +3022,7 @@ static int packet_release(struct socket *sock) synchronize_net(); if (f) { + kfree(po->rollover); fanout_release_data(f); kfree(f); } @@ -3097,6 +3091,10 @@ static int packet_do_bind(struct sock *sk, const char *name, int ifindex, if (need_rehook) { if (po->running) { rcu_read_unlock(); + /* prevents packet_notifier() from calling + * register_prot_hook() + */ + po->num = 0; __unregister_prot_hook(sk, true); rcu_read_lock(); dev_curr = po->prot_hook.dev; @@ -3105,6 +3103,7 @@ static int packet_do_bind(struct sock *sk, const char *name, int ifindex, dev->ifindex); } + BUG_ON(po->running); po->num = proto; po->prot_hook.type = proto; @@ -3843,7 +3842,6 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, void *data = &val; union tpacket_stats_u st; struct tpacket_rollover_stats rstats; - struct packet_rollover *rollover; if (level != SOL_PACKET) return -ENOPROTOOPT; @@ -3922,18 +3920,13 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, 0); break; case PACKET_ROLLOVER_STATS: - rcu_read_lock(); - rollover = rcu_dereference(po->rollover); - if (rollover) { - rstats.tp_all = atomic_long_read(&rollover->num); - rstats.tp_huge = atomic_long_read(&rollover->num_huge); - rstats.tp_failed = atomic_long_read(&rollover->num_failed); - data = &rstats; - lv = sizeof(rstats); - } - rcu_read_unlock(); - if (!rollover) + if (!po->rollover) return -EINVAL; + rstats.tp_all = atomic_long_read(&po->rollover->num); + rstats.tp_huge = atomic_long_read(&po->rollover->num_huge); + rstats.tp_failed = atomic_long_read(&po->rollover->num_failed); + data = &rstats; + lv = sizeof(rstats); break; case PACKET_TX_HAS_OFF: val = po->tp_tx_has_off; @@ -4080,12 +4073,12 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd, return 0; } -static unsigned int packet_poll(struct file *file, struct socket *sock, +static __poll_t packet_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct packet_sock *po = pkt_sk(sk); - unsigned int mask = datagram_poll(file, sock, wait); + __poll_t mask = datagram_poll(file, sock, wait); spin_lock_bh(&sk->sk_receive_queue.lock); if (po->rx_ring.pg_vec) { diff --git a/net/packet/internal.h b/net/packet/internal.h index 562fbc155006..a1d2b2319ae9 100644 --- a/net/packet/internal.h +++ b/net/packet/internal.h @@ -95,7 +95,6 @@ struct packet_fanout { struct packet_rollover { int sock; - struct rcu_head rcu; atomic_long_t num; atomic_long_t num_huge; atomic_long_t num_failed; diff --git a/net/phonet/socket.c b/net/phonet/socket.c index 1b050dd17393..44417480dab7 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -341,12 +341,12 @@ static int pn_socket_getname(struct socket *sock, struct sockaddr *addr, return 0; } -static unsigned int pn_socket_poll(struct file *file, struct socket *sock, +static __poll_t pn_socket_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct pep_sock *pn = pep_sk(sk); - unsigned int mask = 0; + __poll_t mask = 0; poll_wait(file, sk_sleep(sk), wait); diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c index b405f77d664c..88aa8ad0f5b6 100644 --- a/net/rds/af_rds.c +++ b/net/rds/af_rds.c @@ -152,12 +152,12 @@ static int rds_getname(struct socket *sock, struct sockaddr *uaddr, * to send to a congested destination, the system call may still fail (and * return ENOBUFS). */ -static unsigned int rds_poll(struct file *file, struct socket *sock, +static __poll_t rds_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct rds_sock *rs = rds_sk_to_rs(sk); - unsigned int mask = 0; + __poll_t mask = 0; unsigned long flags; poll_wait(file, sk_sleep(sk), wait); diff --git a/net/rfkill/core.c b/net/rfkill/core.c index 2064c3a35ef8..124c77e9d058 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -1139,10 +1139,10 @@ static int rfkill_fop_open(struct inode *inode, struct file *file) return -ENOMEM; } -static unsigned int rfkill_fop_poll(struct file *file, poll_table *wait) +static __poll_t rfkill_fop_poll(struct file *file, poll_table *wait) { struct rfkill_data *data = file->private_data; - unsigned int res = POLLOUT | POLLWRNORM; + __poll_t res = POLLOUT | POLLWRNORM; poll_wait(file, &data->read_wait, wait); diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index 9b5c46b052fd..50ae1e2557fe 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -285,6 +285,7 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock, bool upgrade) { struct rxrpc_conn_parameters cp; + struct rxrpc_call_params p; struct rxrpc_call *call; struct rxrpc_sock *rx = rxrpc_sk(sock->sk); int ret; @@ -302,6 +303,10 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock, if (key && !key->payload.data[0]) key = NULL; /* a no-security key */ + memset(&p, 0, sizeof(p)); + p.user_call_ID = user_call_ID; + p.tx_total_len = tx_total_len; + memset(&cp, 0, sizeof(cp)); cp.local = rx->local; cp.key = key; @@ -309,8 +314,7 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock, cp.exclusive = false; cp.upgrade = upgrade; cp.service_id = srx->srx_service; - call = rxrpc_new_client_call(rx, &cp, srx, user_call_ID, tx_total_len, - gfp); + call = rxrpc_new_client_call(rx, &cp, srx, &p, gfp); /* The socket has been unlocked. */ if (!IS_ERR(call)) { call->notify_rx = notify_rx; @@ -725,12 +729,12 @@ static int rxrpc_getsockopt(struct socket *sock, int level, int optname, /* * permit an RxRPC socket to be polled */ -static unsigned int rxrpc_poll(struct file *file, struct socket *sock, +static __poll_t rxrpc_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct rxrpc_sock *rx = rxrpc_sk(sk); - unsigned int mask; + __poll_t mask; sock_poll_wait(file, sk_sleep(sk), wait); mask = 0; @@ -863,6 +867,19 @@ static int rxrpc_release_sock(struct sock *sk) sock_orphan(sk); sk->sk_shutdown = SHUTDOWN_MASK; + /* We want to kill off all connections from a service socket + * as fast as possible because we can't share these; client + * sockets, on the other hand, can share an endpoint. + */ + switch (sk->sk_state) { + case RXRPC_SERVER_BOUND: + case RXRPC_SERVER_BOUND2: + case RXRPC_SERVER_LISTENING: + case RXRPC_SERVER_LISTEN_DISABLED: + rx->local->service_closed = true; + break; + } + spin_lock_bh(&sk->sk_receive_queue.lock); sk->sk_state = RXRPC_CLOSE; spin_unlock_bh(&sk->sk_receive_queue.lock); @@ -878,6 +895,8 @@ static int rxrpc_release_sock(struct sock *sk) rxrpc_release_calls_on_socket(rx); flush_workqueue(rxrpc_workqueue); rxrpc_purge_queue(&sk->sk_receive_queue); + rxrpc_queue_work(&rx->local->rxnet->service_conn_reaper); + rxrpc_queue_work(&rx->local->rxnet->client_conn_reaper); rxrpc_put_local(rx->local); rx->local = NULL; diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index b2151993d384..416688381eb7 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -79,17 +79,20 @@ struct rxrpc_net { struct list_head conn_proc_list; /* List of conns in this namespace for proc */ struct list_head service_conns; /* Service conns in this namespace */ rwlock_t conn_lock; /* Lock for ->conn_proc_list, ->service_conns */ - struct delayed_work service_conn_reaper; + struct work_struct service_conn_reaper; + struct timer_list service_conn_reap_timer; unsigned int nr_client_conns; unsigned int nr_active_client_conns; bool kill_all_client_conns; + bool live; spinlock_t client_conn_cache_lock; /* Lock for ->*_client_conns */ spinlock_t client_conn_discard_lock; /* Prevent multiple discarders */ struct list_head waiting_client_conns; struct list_head active_client_conns; struct list_head idle_client_conns; - struct delayed_work client_conn_reaper; + struct work_struct client_conn_reaper; + struct timer_list client_conn_reap_timer; struct list_head local_endpoints; struct mutex local_mutex; /* Lock for ->local_endpoints */ @@ -265,6 +268,7 @@ struct rxrpc_local { rwlock_t services_lock; /* lock for services list */ int debug_id; /* debug ID for printks */ bool dead; + bool service_closed; /* Service socket closed */ struct sockaddr_rxrpc srx; /* local address */ }; @@ -338,8 +342,17 @@ enum rxrpc_conn_flag { RXRPC_CONN_DONT_REUSE, /* Don't reuse this connection */ RXRPC_CONN_COUNTED, /* Counted by rxrpc_nr_client_conns */ RXRPC_CONN_PROBING_FOR_UPGRADE, /* Probing for service upgrade */ + RXRPC_CONN_FINAL_ACK_0, /* Need final ACK for channel 0 */ + RXRPC_CONN_FINAL_ACK_1, /* Need final ACK for channel 1 */ + RXRPC_CONN_FINAL_ACK_2, /* Need final ACK for channel 2 */ + RXRPC_CONN_FINAL_ACK_3, /* Need final ACK for channel 3 */ }; +#define RXRPC_CONN_FINAL_ACK_MASK ((1UL << RXRPC_CONN_FINAL_ACK_0) | \ + (1UL << RXRPC_CONN_FINAL_ACK_1) | \ + (1UL << RXRPC_CONN_FINAL_ACK_2) | \ + (1UL << RXRPC_CONN_FINAL_ACK_3)) + /* * Events that can be raised upon a connection. */ @@ -393,6 +406,7 @@ struct rxrpc_connection { #define RXRPC_ACTIVE_CHANS_MASK ((1 << RXRPC_MAXCALLS) - 1) struct list_head waiting_calls; /* Calls waiting for channels */ struct rxrpc_channel { + unsigned long final_ack_at; /* Time at which to issue final ACK */ struct rxrpc_call __rcu *call; /* Active call */ u32 call_id; /* ID of current call */ u32 call_counter; /* Call ID counter */ @@ -404,6 +418,7 @@ struct rxrpc_connection { }; } channels[RXRPC_MAXCALLS]; + struct timer_list timer; /* Conn event timer */ struct work_struct processor; /* connection event processor */ union { struct rb_node client_node; /* Node in local->client_conns */ @@ -457,9 +472,10 @@ enum rxrpc_call_flag { enum rxrpc_call_event { RXRPC_CALL_EV_ACK, /* need to generate ACK */ RXRPC_CALL_EV_ABORT, /* need to generate abort */ - RXRPC_CALL_EV_TIMER, /* Timer expired */ RXRPC_CALL_EV_RESEND, /* Tx resend required */ RXRPC_CALL_EV_PING, /* Ping send required */ + RXRPC_CALL_EV_EXPIRED, /* Expiry occurred */ + RXRPC_CALL_EV_ACK_LOST, /* ACK may be lost, send ping */ }; /* @@ -503,10 +519,16 @@ struct rxrpc_call { struct rxrpc_peer *peer; /* Peer record for remote address */ struct rxrpc_sock __rcu *socket; /* socket responsible */ struct mutex user_mutex; /* User access mutex */ - ktime_t ack_at; /* When deferred ACK needs to happen */ - ktime_t resend_at; /* When next resend needs to happen */ - ktime_t ping_at; /* When next to send a ping */ - ktime_t expire_at; /* When the call times out */ + unsigned long ack_at; /* When deferred ACK needs to happen */ + unsigned long ack_lost_at; /* When ACK is figured as lost */ + unsigned long resend_at; /* When next resend needs to happen */ + unsigned long ping_at; /* When next to send a ping */ + unsigned long keepalive_at; /* When next to send a keepalive ping */ + unsigned long expect_rx_by; /* When we expect to get a packet by */ + unsigned long expect_req_by; /* When we expect to get a request DATA packet by */ + unsigned long expect_term_by; /* When we expect call termination by */ + u32 next_rx_timo; /* Timeout for next Rx packet (jif) */ + u32 next_req_timo; /* Timeout for next Rx request packet (jif) */ struct timer_list timer; /* Combined event timer */ struct work_struct processor; /* Event processor */ rxrpc_notify_rx_t notify_rx; /* kernel service Rx notification function */ @@ -609,6 +631,8 @@ struct rxrpc_call { ktime_t acks_latest_ts; /* Timestamp of latest ACK received */ rxrpc_serial_t acks_latest; /* serial number of latest ACK received */ rxrpc_seq_t acks_lowest_nak; /* Lowest NACK in the buffer (or ==tx_hard_ack) */ + rxrpc_seq_t acks_lost_top; /* tx_top at the time lost-ack ping sent */ + rxrpc_serial_t acks_lost_ping; /* Serial number of probe ACK */ }; /* @@ -632,6 +656,35 @@ struct rxrpc_ack_summary { u8 cumulative_acks; }; +/* + * sendmsg() cmsg-specified parameters. + */ +enum rxrpc_command { + RXRPC_CMD_SEND_DATA, /* send data message */ + RXRPC_CMD_SEND_ABORT, /* request abort generation */ + RXRPC_CMD_ACCEPT, /* [server] accept incoming call */ + RXRPC_CMD_REJECT_BUSY, /* [server] reject a call as busy */ +}; + +struct rxrpc_call_params { + s64 tx_total_len; /* Total Tx data length (if send data) */ + unsigned long user_call_ID; /* User's call ID */ + struct { + u32 hard; /* Maximum lifetime (sec) */ + u32 idle; /* Max time since last data packet (msec) */ + u32 normal; /* Max time since last call packet (msec) */ + } timeouts; + u8 nr_timeouts; /* Number of timeouts specified */ +}; + +struct rxrpc_send_params { + struct rxrpc_call_params call; + u32 abort_code; /* Abort code to Tx (if abort) */ + enum rxrpc_command command : 8; /* The command to implement */ + bool exclusive; /* Shared or exclusive call */ + bool upgrade; /* If the connection is upgradeable */ +}; + #include <trace/events/rxrpc.h> /* @@ -657,12 +710,19 @@ int rxrpc_reject_call(struct rxrpc_sock *); /* * call_event.c */ -void __rxrpc_set_timer(struct rxrpc_call *, enum rxrpc_timer_trace, ktime_t); -void rxrpc_set_timer(struct rxrpc_call *, enum rxrpc_timer_trace, ktime_t); void rxrpc_propose_ACK(struct rxrpc_call *, u8, u16, u32, bool, bool, enum rxrpc_propose_ack_trace); void rxrpc_process_call(struct work_struct *); +static inline void rxrpc_reduce_call_timer(struct rxrpc_call *call, + unsigned long expire_at, + unsigned long now, + enum rxrpc_timer_trace why) +{ + trace_rxrpc_timer(call, why, now); + timer_reduce(&call->timer, expire_at); +} + /* * call_object.c */ @@ -672,11 +732,11 @@ extern unsigned int rxrpc_max_call_lifetime; extern struct kmem_cache *rxrpc_call_jar; struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *, unsigned long); -struct rxrpc_call *rxrpc_alloc_call(gfp_t); +struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *, gfp_t); struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *, struct rxrpc_conn_parameters *, struct sockaddr_rxrpc *, - unsigned long, s64, gfp_t); + struct rxrpc_call_params *, gfp_t); int rxrpc_retry_client_call(struct rxrpc_sock *, struct rxrpc_call *, struct rxrpc_conn_parameters *, @@ -803,8 +863,8 @@ static inline bool __rxrpc_abort_eproto(struct rxrpc_call *call, */ extern unsigned int rxrpc_max_client_connections; extern unsigned int rxrpc_reap_client_connections; -extern unsigned int rxrpc_conn_idle_client_expiry; -extern unsigned int rxrpc_conn_idle_client_fast_expiry; +extern unsigned long rxrpc_conn_idle_client_expiry; +extern unsigned long rxrpc_conn_idle_client_fast_expiry; extern struct idr rxrpc_client_conn_ids; void rxrpc_destroy_client_conn_ids(void); @@ -825,6 +885,7 @@ void rxrpc_process_connection(struct work_struct *); * conn_object.c */ extern unsigned int rxrpc_connection_expiry; +extern unsigned int rxrpc_closed_conn_expiry; struct rxrpc_connection *rxrpc_alloc_connection(gfp_t); struct rxrpc_connection *rxrpc_find_connection_rcu(struct rxrpc_local *, @@ -861,6 +922,12 @@ static inline void rxrpc_put_connection(struct rxrpc_connection *conn) rxrpc_put_service_conn(conn); } +static inline void rxrpc_reduce_conn_timer(struct rxrpc_connection *conn, + unsigned long expire_at) +{ + timer_reduce(&conn->timer, expire_at); +} + /* * conn_service.c */ @@ -930,13 +997,13 @@ static inline void rxrpc_queue_local(struct rxrpc_local *local) * misc.c */ extern unsigned int rxrpc_max_backlog __read_mostly; -extern unsigned int rxrpc_requested_ack_delay; -extern unsigned int rxrpc_soft_ack_delay; -extern unsigned int rxrpc_idle_ack_delay; +extern unsigned long rxrpc_requested_ack_delay; +extern unsigned long rxrpc_soft_ack_delay; +extern unsigned long rxrpc_idle_ack_delay; extern unsigned int rxrpc_rx_window_size; extern unsigned int rxrpc_rx_mtu; extern unsigned int rxrpc_rx_jumbo_max; -extern unsigned int rxrpc_resend_timeout; +extern unsigned long rxrpc_resend_timeout; extern const s8 rxrpc_ack_priority[]; @@ -954,7 +1021,7 @@ static inline struct rxrpc_net *rxrpc_net(struct net *net) /* * output.c */ -int rxrpc_send_ack_packet(struct rxrpc_call *, bool); +int rxrpc_send_ack_packet(struct rxrpc_call *, bool, rxrpc_serial_t *); int rxrpc_send_abort_packet(struct rxrpc_call *); int rxrpc_send_data_packet(struct rxrpc_call *, struct sk_buff *, bool); void rxrpc_reject_packets(struct rxrpc_local *); diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c index cbd1701e813a..3028298ca561 100644 --- a/net/rxrpc/call_accept.c +++ b/net/rxrpc/call_accept.c @@ -94,7 +94,7 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx, /* Now it gets complicated, because calls get registered with the * socket here, particularly if a user ID is preassigned by the user. */ - call = rxrpc_alloc_call(gfp); + call = rxrpc_alloc_call(rx, gfp); if (!call) return -ENOMEM; call->flags |= (1 << RXRPC_CALL_IS_SERVICE); diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c index 3574508baf9a..bda952ffe6a6 100644 --- a/net/rxrpc/call_event.c +++ b/net/rxrpc/call_event.c @@ -22,80 +22,6 @@ #include "ar-internal.h" /* - * Set the timer - */ -void __rxrpc_set_timer(struct rxrpc_call *call, enum rxrpc_timer_trace why, - ktime_t now) -{ - unsigned long t_j, now_j = jiffies; - ktime_t t; - bool queue = false; - - if (call->state < RXRPC_CALL_COMPLETE) { - t = call->expire_at; - if (!ktime_after(t, now)) { - trace_rxrpc_timer(call, why, now, now_j); - queue = true; - goto out; - } - - if (!ktime_after(call->resend_at, now)) { - call->resend_at = call->expire_at; - if (!test_and_set_bit(RXRPC_CALL_EV_RESEND, &call->events)) - queue = true; - } else if (ktime_before(call->resend_at, t)) { - t = call->resend_at; - } - - if (!ktime_after(call->ack_at, now)) { - call->ack_at = call->expire_at; - if (!test_and_set_bit(RXRPC_CALL_EV_ACK, &call->events)) - queue = true; - } else if (ktime_before(call->ack_at, t)) { - t = call->ack_at; - } - - if (!ktime_after(call->ping_at, now)) { - call->ping_at = call->expire_at; - if (!test_and_set_bit(RXRPC_CALL_EV_PING, &call->events)) - queue = true; - } else if (ktime_before(call->ping_at, t)) { - t = call->ping_at; - } - - t_j = nsecs_to_jiffies(ktime_to_ns(ktime_sub(t, now))); - t_j += jiffies; - - /* We have to make sure that the calculated jiffies value falls - * at or after the nsec value, or we may loop ceaselessly - * because the timer times out, but we haven't reached the nsec - * timeout yet. - */ - t_j++; - - if (call->timer.expires != t_j || !timer_pending(&call->timer)) { - mod_timer(&call->timer, t_j); - trace_rxrpc_timer(call, why, now, now_j); - } - } - -out: - if (queue) - rxrpc_queue_call(call); -} - -/* - * Set the timer - */ -void rxrpc_set_timer(struct rxrpc_call *call, enum rxrpc_timer_trace why, - ktime_t now) -{ - read_lock_bh(&call->state_lock); - __rxrpc_set_timer(call, why, now); - read_unlock_bh(&call->state_lock); -} - -/* * Propose a PING ACK be sent. */ static void rxrpc_propose_ping(struct rxrpc_call *call, @@ -106,12 +32,13 @@ static void rxrpc_propose_ping(struct rxrpc_call *call, !test_and_set_bit(RXRPC_CALL_EV_PING, &call->events)) rxrpc_queue_call(call); } else { - ktime_t now = ktime_get_real(); - ktime_t ping_at = ktime_add_ms(now, rxrpc_idle_ack_delay); + unsigned long now = jiffies; + unsigned long ping_at = now + rxrpc_idle_ack_delay; - if (ktime_before(ping_at, call->ping_at)) { - call->ping_at = ping_at; - rxrpc_set_timer(call, rxrpc_timer_set_for_ping, now); + if (time_before(ping_at, call->ping_at)) { + WRITE_ONCE(call->ping_at, ping_at); + rxrpc_reduce_call_timer(call, ping_at, now, + rxrpc_timer_set_for_ping); } } } @@ -125,8 +52,7 @@ static void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason, enum rxrpc_propose_ack_trace why) { enum rxrpc_propose_ack_outcome outcome = rxrpc_propose_ack_use; - unsigned int expiry = rxrpc_soft_ack_delay; - ktime_t now, ack_at; + unsigned long expiry = rxrpc_soft_ack_delay; s8 prior = rxrpc_ack_priority[ack_reason]; /* Pings are handled specially because we don't want to accidentally @@ -190,11 +116,18 @@ static void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason, background) rxrpc_queue_call(call); } else { - now = ktime_get_real(); - ack_at = ktime_add_ms(now, expiry); - if (ktime_before(ack_at, call->ack_at)) { - call->ack_at = ack_at; - rxrpc_set_timer(call, rxrpc_timer_set_for_ack, now); + unsigned long now = jiffies, ack_at; + + if (call->peer->rtt_usage > 0) + ack_at = nsecs_to_jiffies(call->peer->rtt); + else + ack_at = expiry; + + ack_at = jiffies + expiry; + if (time_before(ack_at, call->ack_at)) { + WRITE_ONCE(call->ack_at, ack_at); + rxrpc_reduce_call_timer(call, ack_at, now, + rxrpc_timer_set_for_ack); } } @@ -227,18 +160,28 @@ static void rxrpc_congestion_timeout(struct rxrpc_call *call) /* * Perform retransmission of NAK'd and unack'd packets. */ -static void rxrpc_resend(struct rxrpc_call *call, ktime_t now) +static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j) { struct rxrpc_skb_priv *sp; struct sk_buff *skb; + unsigned long resend_at; rxrpc_seq_t cursor, seq, top; - ktime_t max_age, oldest, ack_ts; + ktime_t now, max_age, oldest, ack_ts, timeout, min_timeo; int ix; u8 annotation, anno_type, retrans = 0, unacked = 0; _enter("{%d,%d}", call->tx_hard_ack, call->tx_top); - max_age = ktime_sub_ms(now, rxrpc_resend_timeout); + if (call->peer->rtt_usage > 1) + timeout = ns_to_ktime(call->peer->rtt * 3 / 2); + else + timeout = ms_to_ktime(rxrpc_resend_timeout); + min_timeo = ns_to_ktime((1000000000 / HZ) * 4); + if (ktime_before(timeout, min_timeo)) + timeout = min_timeo; + + now = ktime_get_real(); + max_age = ktime_sub(now, timeout); spin_lock_bh(&call->lock); @@ -282,7 +225,9 @@ static void rxrpc_resend(struct rxrpc_call *call, ktime_t now) ktime_to_ns(ktime_sub(skb->tstamp, max_age))); } - call->resend_at = ktime_add_ms(oldest, rxrpc_resend_timeout); + resend_at = nsecs_to_jiffies(ktime_to_ns(ktime_sub(oldest, now))); + resend_at += jiffies + rxrpc_resend_timeout; + WRITE_ONCE(call->resend_at, resend_at); if (unacked) rxrpc_congestion_timeout(call); @@ -292,14 +237,15 @@ static void rxrpc_resend(struct rxrpc_call *call, ktime_t now) * retransmitting data. */ if (!retrans) { - rxrpc_set_timer(call, rxrpc_timer_set_for_resend, now); + rxrpc_reduce_call_timer(call, resend_at, now, + rxrpc_timer_set_for_resend); spin_unlock_bh(&call->lock); ack_ts = ktime_sub(now, call->acks_latest_ts); if (ktime_to_ns(ack_ts) < call->peer->rtt) goto out; rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, 0, true, false, rxrpc_propose_ack_ping_for_lost_ack); - rxrpc_send_ack_packet(call, true); + rxrpc_send_ack_packet(call, true, NULL); goto out; } @@ -364,7 +310,8 @@ void rxrpc_process_call(struct work_struct *work) { struct rxrpc_call *call = container_of(work, struct rxrpc_call, processor); - ktime_t now; + rxrpc_serial_t *send_ack; + unsigned long now, next, t; rxrpc_see_call(call); @@ -384,22 +331,89 @@ recheck_state: goto out_put; } - now = ktime_get_real(); - if (ktime_before(call->expire_at, now)) { + /* Work out if any timeouts tripped */ + now = jiffies; + t = READ_ONCE(call->expect_rx_by); + if (time_after_eq(now, t)) { + trace_rxrpc_timer(call, rxrpc_timer_exp_normal, now); + set_bit(RXRPC_CALL_EV_EXPIRED, &call->events); + } + + t = READ_ONCE(call->expect_req_by); + if (call->state == RXRPC_CALL_SERVER_RECV_REQUEST && + time_after_eq(now, t)) { + trace_rxrpc_timer(call, rxrpc_timer_exp_idle, now); + set_bit(RXRPC_CALL_EV_EXPIRED, &call->events); + } + + t = READ_ONCE(call->expect_term_by); + if (time_after_eq(now, t)) { + trace_rxrpc_timer(call, rxrpc_timer_exp_hard, now); + set_bit(RXRPC_CALL_EV_EXPIRED, &call->events); + } + + t = READ_ONCE(call->ack_at); + if (time_after_eq(now, t)) { + trace_rxrpc_timer(call, rxrpc_timer_exp_ack, now); + cmpxchg(&call->ack_at, t, now + MAX_JIFFY_OFFSET); + set_bit(RXRPC_CALL_EV_ACK, &call->events); + } + + t = READ_ONCE(call->ack_lost_at); + if (time_after_eq(now, t)) { + trace_rxrpc_timer(call, rxrpc_timer_exp_lost_ack, now); + cmpxchg(&call->ack_lost_at, t, now + MAX_JIFFY_OFFSET); + set_bit(RXRPC_CALL_EV_ACK_LOST, &call->events); + } + + t = READ_ONCE(call->keepalive_at); + if (time_after_eq(now, t)) { + trace_rxrpc_timer(call, rxrpc_timer_exp_keepalive, now); + cmpxchg(&call->keepalive_at, t, now + MAX_JIFFY_OFFSET); + rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, 0, true, true, + rxrpc_propose_ack_ping_for_keepalive); + set_bit(RXRPC_CALL_EV_PING, &call->events); + } + + t = READ_ONCE(call->ping_at); + if (time_after_eq(now, t)) { + trace_rxrpc_timer(call, rxrpc_timer_exp_ping, now); + cmpxchg(&call->ping_at, t, now + MAX_JIFFY_OFFSET); + set_bit(RXRPC_CALL_EV_PING, &call->events); + } + + t = READ_ONCE(call->resend_at); + if (time_after_eq(now, t)) { + trace_rxrpc_timer(call, rxrpc_timer_exp_resend, now); + cmpxchg(&call->resend_at, t, now + MAX_JIFFY_OFFSET); + set_bit(RXRPC_CALL_EV_RESEND, &call->events); + } + + /* Process events */ + if (test_and_clear_bit(RXRPC_CALL_EV_EXPIRED, &call->events)) { rxrpc_abort_call("EXP", call, 0, RX_USER_ABORT, -ETIME); set_bit(RXRPC_CALL_EV_ABORT, &call->events); goto recheck_state; } - if (test_and_clear_bit(RXRPC_CALL_EV_ACK, &call->events)) { + send_ack = NULL; + if (test_and_clear_bit(RXRPC_CALL_EV_ACK_LOST, &call->events)) { + call->acks_lost_top = call->tx_top; + rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, 0, true, false, + rxrpc_propose_ack_ping_for_lost_ack); + send_ack = &call->acks_lost_ping; + } + + if (test_and_clear_bit(RXRPC_CALL_EV_ACK, &call->events) || + send_ack) { if (call->ackr_reason) { - rxrpc_send_ack_packet(call, false); + rxrpc_send_ack_packet(call, false, send_ack); goto recheck_state; } } if (test_and_clear_bit(RXRPC_CALL_EV_PING, &call->events)) { - rxrpc_send_ack_packet(call, true); + rxrpc_send_ack_packet(call, true, NULL); goto recheck_state; } @@ -408,7 +422,24 @@ recheck_state: goto recheck_state; } - rxrpc_set_timer(call, rxrpc_timer_set_for_resend, now); + /* Make sure the timer is restarted */ + next = call->expect_rx_by; + +#define set(T) { t = READ_ONCE(T); if (time_before(t, next)) next = t; } + + set(call->expect_req_by); + set(call->expect_term_by); + set(call->ack_at); + set(call->ack_lost_at); + set(call->resend_at); + set(call->keepalive_at); + set(call->ping_at); + + now = jiffies; + if (time_after_eq(now, next)) + goto recheck_state; + + rxrpc_reduce_call_timer(call, next, now, rxrpc_timer_restart); /* other events may have been raised since we started checking */ if (call->events && call->state < RXRPC_CALL_COMPLETE) { diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c index 994dc2df57e4..0b2db38dd32d 100644 --- a/net/rxrpc/call_object.c +++ b/net/rxrpc/call_object.c @@ -51,10 +51,14 @@ static void rxrpc_call_timer_expired(struct timer_list *t) _enter("%d", call->debug_id); - if (call->state < RXRPC_CALL_COMPLETE) - rxrpc_set_timer(call, rxrpc_timer_expired, ktime_get_real()); + if (call->state < RXRPC_CALL_COMPLETE) { + trace_rxrpc_timer(call, rxrpc_timer_expired, jiffies); + rxrpc_queue_call(call); + } } +static struct lock_class_key rxrpc_call_user_mutex_lock_class_key; + /* * find an extant server call * - called in process context with IRQs enabled @@ -95,7 +99,7 @@ found_extant_call: /* * allocate a new call */ -struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp) +struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *rx, gfp_t gfp) { struct rxrpc_call *call; @@ -114,6 +118,14 @@ struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp) goto nomem_2; mutex_init(&call->user_mutex); + + /* Prevent lockdep reporting a deadlock false positive between the afs + * filesystem and sys_sendmsg() via the mmap sem. + */ + if (rx->sk.sk_kern_sock) + lockdep_set_class(&call->user_mutex, + &rxrpc_call_user_mutex_lock_class_key); + timer_setup(&call->timer, rxrpc_call_timer_expired, 0); INIT_WORK(&call->processor, &rxrpc_process_call); INIT_LIST_HEAD(&call->link); @@ -128,6 +140,8 @@ struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp) atomic_set(&call->usage, 1); call->debug_id = atomic_inc_return(&rxrpc_debug_id); call->tx_total_len = -1; + call->next_rx_timo = 20 * HZ; + call->next_req_timo = 1 * HZ; memset(&call->sock_node, 0xed, sizeof(call->sock_node)); @@ -150,7 +164,8 @@ nomem: /* * Allocate a new client call. */ -static struct rxrpc_call *rxrpc_alloc_client_call(struct sockaddr_rxrpc *srx, +static struct rxrpc_call *rxrpc_alloc_client_call(struct rxrpc_sock *rx, + struct sockaddr_rxrpc *srx, gfp_t gfp) { struct rxrpc_call *call; @@ -158,7 +173,7 @@ static struct rxrpc_call *rxrpc_alloc_client_call(struct sockaddr_rxrpc *srx, _enter(""); - call = rxrpc_alloc_call(gfp); + call = rxrpc_alloc_call(rx, gfp); if (!call) return ERR_PTR(-ENOMEM); call->state = RXRPC_CALL_CLIENT_AWAIT_CONN; @@ -177,15 +192,17 @@ static struct rxrpc_call *rxrpc_alloc_client_call(struct sockaddr_rxrpc *srx, */ static void rxrpc_start_call_timer(struct rxrpc_call *call) { - ktime_t now = ktime_get_real(), expire_at; - - expire_at = ktime_add_ms(now, rxrpc_max_call_lifetime); - call->expire_at = expire_at; - call->ack_at = expire_at; - call->ping_at = expire_at; - call->resend_at = expire_at; - call->timer.expires = jiffies + LONG_MAX / 2; - rxrpc_set_timer(call, rxrpc_timer_begin, now); + unsigned long now = jiffies; + unsigned long j = now + MAX_JIFFY_OFFSET; + + call->ack_at = j; + call->ack_lost_at = j; + call->resend_at = j; + call->ping_at = j; + call->expect_rx_by = j; + call->expect_req_by = j; + call->expect_term_by = j; + call->timer.expires = now; } /* @@ -196,8 +213,7 @@ static void rxrpc_start_call_timer(struct rxrpc_call *call) struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, struct rxrpc_conn_parameters *cp, struct sockaddr_rxrpc *srx, - unsigned long user_call_ID, - s64 tx_total_len, + struct rxrpc_call_params *p, gfp_t gfp) __releases(&rx->sk.sk_lock.slock) { @@ -207,18 +223,18 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, const void *here = __builtin_return_address(0); int ret; - _enter("%p,%lx", rx, user_call_ID); + _enter("%p,%lx", rx, p->user_call_ID); - call = rxrpc_alloc_client_call(srx, gfp); + call = rxrpc_alloc_client_call(rx, srx, gfp); if (IS_ERR(call)) { release_sock(&rx->sk); _leave(" = %ld", PTR_ERR(call)); return call; } - call->tx_total_len = tx_total_len; + call->tx_total_len = p->tx_total_len; trace_rxrpc_call(call, rxrpc_call_new_client, atomic_read(&call->usage), - here, (const void *)user_call_ID); + here, (const void *)p->user_call_ID); /* We need to protect a partially set up call against the user as we * will be acting outside the socket lock. @@ -234,16 +250,16 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, parent = *pp; xcall = rb_entry(parent, struct rxrpc_call, sock_node); - if (user_call_ID < xcall->user_call_ID) + if (p->user_call_ID < xcall->user_call_ID) pp = &(*pp)->rb_left; - else if (user_call_ID > xcall->user_call_ID) + else if (p->user_call_ID > xcall->user_call_ID) pp = &(*pp)->rb_right; else goto error_dup_user_ID; } rcu_assign_pointer(call->socket, rx); - call->user_call_ID = user_call_ID; + call->user_call_ID = p->user_call_ID; __set_bit(RXRPC_CALL_HAS_USERID, &call->flags); rxrpc_get_call(call, rxrpc_call_got_userid); rb_link_node(&call->sock_node, parent, pp); diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c index 5f9624bd311c..7f74ca3059f8 100644 --- a/net/rxrpc/conn_client.c +++ b/net/rxrpc/conn_client.c @@ -85,8 +85,8 @@ __read_mostly unsigned int rxrpc_max_client_connections = 1000; __read_mostly unsigned int rxrpc_reap_client_connections = 900; -__read_mostly unsigned int rxrpc_conn_idle_client_expiry = 2 * 60 * HZ; -__read_mostly unsigned int rxrpc_conn_idle_client_fast_expiry = 2 * HZ; +__read_mostly unsigned long rxrpc_conn_idle_client_expiry = 2 * 60 * HZ; +__read_mostly unsigned long rxrpc_conn_idle_client_fast_expiry = 2 * HZ; /* * We use machine-unique IDs for our client connections. @@ -554,6 +554,11 @@ static void rxrpc_activate_one_channel(struct rxrpc_connection *conn, trace_rxrpc_client(conn, channel, rxrpc_client_chan_activate); + /* Cancel the final ACK on the previous call if it hasn't been sent yet + * as the DATA packet will implicitly ACK it. + */ + clear_bit(RXRPC_CONN_FINAL_ACK_0 + channel, &conn->flags); + write_lock_bh(&call->state_lock); if (!test_bit(RXRPC_CALL_TX_LASTQ, &call->flags)) call->state = RXRPC_CALL_CLIENT_SEND_REQUEST; @@ -686,7 +691,7 @@ int rxrpc_connect_call(struct rxrpc_call *call, _enter("{%d,%lx},", call->debug_id, call->user_call_ID); - rxrpc_discard_expired_client_conns(&rxnet->client_conn_reaper.work); + rxrpc_discard_expired_client_conns(&rxnet->client_conn_reaper); rxrpc_cull_active_client_conns(rxnet); ret = rxrpc_get_client_conn(call, cp, srx, gfp); @@ -752,6 +757,18 @@ void rxrpc_expose_client_call(struct rxrpc_call *call) } /* + * Set the reap timer. + */ +static void rxrpc_set_client_reap_timer(struct rxrpc_net *rxnet) +{ + unsigned long now = jiffies; + unsigned long reap_at = now + rxrpc_conn_idle_client_expiry; + + if (rxnet->live) + timer_reduce(&rxnet->client_conn_reap_timer, reap_at); +} + +/* * Disconnect a client call. */ void rxrpc_disconnect_client_call(struct rxrpc_call *call) @@ -813,6 +830,19 @@ void rxrpc_disconnect_client_call(struct rxrpc_call *call) goto out_2; } + /* Schedule the final ACK to be transmitted in a short while so that it + * can be skipped if we find a follow-on call. The first DATA packet + * of the follow on call will implicitly ACK this call. + */ + if (test_bit(RXRPC_CALL_EXPOSED, &call->flags)) { + unsigned long final_ack_at = jiffies + 2; + + WRITE_ONCE(chan->final_ack_at, final_ack_at); + smp_wmb(); /* vs rxrpc_process_delayed_final_acks() */ + set_bit(RXRPC_CONN_FINAL_ACK_0 + channel, &conn->flags); + rxrpc_reduce_conn_timer(conn, final_ack_at); + } + /* Things are more complex and we need the cache lock. We might be * able to simply idle the conn or it might now be lurking on the wait * list. It might even get moved back to the active list whilst we're @@ -878,9 +908,7 @@ idle_connection: list_move_tail(&conn->cache_link, &rxnet->idle_client_conns); if (rxnet->idle_client_conns.next == &conn->cache_link && !rxnet->kill_all_client_conns) - queue_delayed_work(rxrpc_workqueue, - &rxnet->client_conn_reaper, - rxrpc_conn_idle_client_expiry); + rxrpc_set_client_reap_timer(rxnet); } else { trace_rxrpc_client(conn, channel, rxrpc_client_to_inactive); conn->cache_state = RXRPC_CONN_CLIENT_INACTIVE; @@ -1018,8 +1046,7 @@ void rxrpc_discard_expired_client_conns(struct work_struct *work) { struct rxrpc_connection *conn; struct rxrpc_net *rxnet = - container_of(to_delayed_work(work), - struct rxrpc_net, client_conn_reaper); + container_of(work, struct rxrpc_net, client_conn_reaper); unsigned long expiry, conn_expires_at, now; unsigned int nr_conns; bool did_discard = false; @@ -1061,6 +1088,8 @@ next: expiry = rxrpc_conn_idle_client_expiry; if (nr_conns > rxrpc_reap_client_connections) expiry = rxrpc_conn_idle_client_fast_expiry; + if (conn->params.local->service_closed) + expiry = rxrpc_closed_conn_expiry * HZ; conn_expires_at = conn->idle_timestamp + expiry; @@ -1096,9 +1125,8 @@ not_yet_expired: */ _debug("not yet"); if (!rxnet->kill_all_client_conns) - queue_delayed_work(rxrpc_workqueue, - &rxnet->client_conn_reaper, - conn_expires_at - now); + timer_reduce(&rxnet->client_conn_reap_timer, + conn_expires_at); out: spin_unlock(&rxnet->client_conn_cache_lock); @@ -1118,9 +1146,9 @@ void rxrpc_destroy_all_client_connections(struct rxrpc_net *rxnet) rxnet->kill_all_client_conns = true; spin_unlock(&rxnet->client_conn_cache_lock); - cancel_delayed_work(&rxnet->client_conn_reaper); + del_timer_sync(&rxnet->client_conn_reap_timer); - if (!queue_delayed_work(rxrpc_workqueue, &rxnet->client_conn_reaper, 0)) + if (!rxrpc_queue_work(&rxnet->client_conn_reaper)) _debug("destroy: queue failed"); _leave(""); diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c index 59a51a56e7c8..9e9a8db1bc9c 100644 --- a/net/rxrpc/conn_event.c +++ b/net/rxrpc/conn_event.c @@ -24,9 +24,10 @@ * Retransmit terminal ACK or ABORT of the previous call. */ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, - struct sk_buff *skb) + struct sk_buff *skb, + unsigned int channel) { - struct rxrpc_skb_priv *sp = rxrpc_skb(skb); + struct rxrpc_skb_priv *sp = skb ? rxrpc_skb(skb) : NULL; struct rxrpc_channel *chan; struct msghdr msg; struct kvec iov; @@ -48,7 +49,7 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, _enter("%d", conn->debug_id); - chan = &conn->channels[sp->hdr.cid & RXRPC_CHANNELMASK]; + chan = &conn->channels[channel]; /* If the last call got moved on whilst we were waiting to run, just * ignore this packet. @@ -56,7 +57,7 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, call_id = READ_ONCE(chan->last_call); /* Sync with __rxrpc_disconnect_call() */ smp_rmb(); - if (call_id != sp->hdr.callNumber) + if (skb && call_id != sp->hdr.callNumber) return; msg.msg_name = &conn->params.peer->srx.transport; @@ -65,9 +66,9 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, msg.msg_controllen = 0; msg.msg_flags = 0; - pkt.whdr.epoch = htonl(sp->hdr.epoch); - pkt.whdr.cid = htonl(sp->hdr.cid); - pkt.whdr.callNumber = htonl(sp->hdr.callNumber); + pkt.whdr.epoch = htonl(conn->proto.epoch); + pkt.whdr.cid = htonl(conn->proto.cid); + pkt.whdr.callNumber = htonl(call_id); pkt.whdr.seq = 0; pkt.whdr.type = chan->last_type; pkt.whdr.flags = conn->out_clientflag; @@ -87,11 +88,11 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, mtu = conn->params.peer->if_mtu; mtu -= conn->params.peer->hdrsize; pkt.ack.bufferSpace = 0; - pkt.ack.maxSkew = htons(skb->priority); - pkt.ack.firstPacket = htonl(chan->last_seq); - pkt.ack.previousPacket = htonl(chan->last_seq - 1); - pkt.ack.serial = htonl(sp->hdr.serial); - pkt.ack.reason = RXRPC_ACK_DUPLICATE; + pkt.ack.maxSkew = htons(skb ? skb->priority : 0); + pkt.ack.firstPacket = htonl(chan->last_seq + 1); + pkt.ack.previousPacket = htonl(chan->last_seq); + pkt.ack.serial = htonl(skb ? sp->hdr.serial : 0); + pkt.ack.reason = skb ? RXRPC_ACK_DUPLICATE : RXRPC_ACK_IDLE; pkt.ack.nAcks = 0; pkt.info.rxMTU = htonl(rxrpc_rx_mtu); pkt.info.maxMTU = htonl(mtu); @@ -272,7 +273,8 @@ static int rxrpc_process_event(struct rxrpc_connection *conn, switch (sp->hdr.type) { case RXRPC_PACKET_TYPE_DATA: case RXRPC_PACKET_TYPE_ACK: - rxrpc_conn_retransmit_call(conn, skb); + rxrpc_conn_retransmit_call(conn, skb, + sp->hdr.cid & RXRPC_CHANNELMASK); return 0; case RXRPC_PACKET_TYPE_BUSY: @@ -379,6 +381,48 @@ abort: } /* + * Process delayed final ACKs that we haven't subsumed into a subsequent call. + */ +static void rxrpc_process_delayed_final_acks(struct rxrpc_connection *conn) +{ + unsigned long j = jiffies, next_j; + unsigned int channel; + bool set; + +again: + next_j = j + LONG_MAX; + set = false; + for (channel = 0; channel < RXRPC_MAXCALLS; channel++) { + struct rxrpc_channel *chan = &conn->channels[channel]; + unsigned long ack_at; + + if (!test_bit(RXRPC_CONN_FINAL_ACK_0 + channel, &conn->flags)) + continue; + + smp_rmb(); /* vs rxrpc_disconnect_client_call */ + ack_at = READ_ONCE(chan->final_ack_at); + + if (time_before(j, ack_at)) { + if (time_before(ack_at, next_j)) { + next_j = ack_at; + set = true; + } + continue; + } + + if (test_and_clear_bit(RXRPC_CONN_FINAL_ACK_0 + channel, + &conn->flags)) + rxrpc_conn_retransmit_call(conn, NULL, channel); + } + + j = jiffies; + if (time_before_eq(next_j, j)) + goto again; + if (set) + rxrpc_reduce_conn_timer(conn, next_j); +} + +/* * connection-level event processor */ void rxrpc_process_connection(struct work_struct *work) @@ -394,6 +438,10 @@ void rxrpc_process_connection(struct work_struct *work) if (test_and_clear_bit(RXRPC_CONN_EV_CHALLENGE, &conn->events)) rxrpc_secure_connection(conn); + /* Process delayed ACKs whose time has come. */ + if (conn->flags & RXRPC_CONN_FINAL_ACK_MASK) + rxrpc_process_delayed_final_acks(conn); + /* go through the conn-level event packets, releasing the ref on this * connection that each one has when we've finished with it */ while ((skb = skb_dequeue(&conn->rx_queue))) { diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c index fe575798592f..1aad04a32d5e 100644 --- a/net/rxrpc/conn_object.c +++ b/net/rxrpc/conn_object.c @@ -20,10 +20,19 @@ /* * Time till a connection expires after last use (in seconds). */ -unsigned int rxrpc_connection_expiry = 10 * 60; +unsigned int __read_mostly rxrpc_connection_expiry = 10 * 60; +unsigned int __read_mostly rxrpc_closed_conn_expiry = 10; static void rxrpc_destroy_connection(struct rcu_head *); +static void rxrpc_connection_timer(struct timer_list *timer) +{ + struct rxrpc_connection *conn = + container_of(timer, struct rxrpc_connection, timer); + + rxrpc_queue_conn(conn); +} + /* * allocate a new connection */ @@ -38,6 +47,7 @@ struct rxrpc_connection *rxrpc_alloc_connection(gfp_t gfp) INIT_LIST_HEAD(&conn->cache_link); spin_lock_init(&conn->channel_lock); INIT_LIST_HEAD(&conn->waiting_calls); + timer_setup(&conn->timer, &rxrpc_connection_timer, 0); INIT_WORK(&conn->processor, &rxrpc_process_connection); INIT_LIST_HEAD(&conn->proc_link); INIT_LIST_HEAD(&conn->link); @@ -301,21 +311,29 @@ rxrpc_get_connection_maybe(struct rxrpc_connection *conn) } /* + * Set the service connection reap timer. + */ +static void rxrpc_set_service_reap_timer(struct rxrpc_net *rxnet, + unsigned long reap_at) +{ + if (rxnet->live) + timer_reduce(&rxnet->service_conn_reap_timer, reap_at); +} + +/* * Release a service connection */ void rxrpc_put_service_conn(struct rxrpc_connection *conn) { - struct rxrpc_net *rxnet; const void *here = __builtin_return_address(0); int n; n = atomic_dec_return(&conn->usage); trace_rxrpc_conn(conn, rxrpc_conn_put_service, n, here); ASSERTCMP(n, >=, 0); - if (n == 0) { - rxnet = conn->params.local->rxnet; - rxrpc_queue_delayed_work(&rxnet->service_conn_reaper, 0); - } + if (n == 1) + rxrpc_set_service_reap_timer(conn->params.local->rxnet, + jiffies + rxrpc_connection_expiry); } /* @@ -332,6 +350,7 @@ static void rxrpc_destroy_connection(struct rcu_head *rcu) _net("DESTROY CONN %d", conn->debug_id); + del_timer_sync(&conn->timer); rxrpc_purge_queue(&conn->rx_queue); conn->security->clear(conn); @@ -351,17 +370,15 @@ void rxrpc_service_connection_reaper(struct work_struct *work) { struct rxrpc_connection *conn, *_p; struct rxrpc_net *rxnet = - container_of(to_delayed_work(work), - struct rxrpc_net, service_conn_reaper); - unsigned long reap_older_than, earliest, idle_timestamp, now; + container_of(work, struct rxrpc_net, service_conn_reaper); + unsigned long expire_at, earliest, idle_timestamp, now; LIST_HEAD(graveyard); _enter(""); now = jiffies; - reap_older_than = now - rxrpc_connection_expiry * HZ; - earliest = ULONG_MAX; + earliest = now + MAX_JIFFY_OFFSET; write_lock(&rxnet->conn_lock); list_for_each_entry_safe(conn, _p, &rxnet->service_conns, link) { @@ -371,15 +388,21 @@ void rxrpc_service_connection_reaper(struct work_struct *work) if (conn->state == RXRPC_CONN_SERVICE_PREALLOC) continue; - idle_timestamp = READ_ONCE(conn->idle_timestamp); - _debug("reap CONN %d { u=%d,t=%ld }", - conn->debug_id, atomic_read(&conn->usage), - (long)reap_older_than - (long)idle_timestamp); - - if (time_after(idle_timestamp, reap_older_than)) { - if (time_before(idle_timestamp, earliest)) - earliest = idle_timestamp; - continue; + if (rxnet->live) { + idle_timestamp = READ_ONCE(conn->idle_timestamp); + expire_at = idle_timestamp + rxrpc_connection_expiry * HZ; + if (conn->params.local->service_closed) + expire_at = idle_timestamp + rxrpc_closed_conn_expiry * HZ; + + _debug("reap CONN %d { u=%d,t=%ld }", + conn->debug_id, atomic_read(&conn->usage), + (long)expire_at - (long)now); + + if (time_before(now, expire_at)) { + if (time_before(expire_at, earliest)) + earliest = expire_at; + continue; + } } /* The usage count sits at 1 whilst the object is unused on the @@ -387,6 +410,7 @@ void rxrpc_service_connection_reaper(struct work_struct *work) */ if (atomic_cmpxchg(&conn->usage, 1, 0) != 1) continue; + trace_rxrpc_conn(conn, rxrpc_conn_reap_service, 0, 0); if (rxrpc_conn_is_client(conn)) BUG(); @@ -397,11 +421,10 @@ void rxrpc_service_connection_reaper(struct work_struct *work) } write_unlock(&rxnet->conn_lock); - if (earliest != ULONG_MAX) { - _debug("reschedule reaper %ld", (long) earliest - now); + if (earliest != now + MAX_JIFFY_OFFSET) { + _debug("reschedule reaper %ld", (long)earliest - (long)now); ASSERT(time_after(earliest, now)); - rxrpc_queue_delayed_work(&rxnet->client_conn_reaper, - earliest - now); + rxrpc_set_service_reap_timer(rxnet, earliest); } while (!list_empty(&graveyard)) { @@ -429,9 +452,8 @@ void rxrpc_destroy_all_connections(struct rxrpc_net *rxnet) rxrpc_destroy_all_client_connections(rxnet); - rxrpc_connection_expiry = 0; - cancel_delayed_work(&rxnet->client_conn_reaper); - rxrpc_queue_delayed_work(&rxnet->client_conn_reaper, 0); + del_timer_sync(&rxnet->service_conn_reap_timer); + rxrpc_queue_work(&rxnet->service_conn_reaper); flush_workqueue(rxrpc_workqueue); write_lock(&rxnet->conn_lock); diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 1b592073ec96..23a5e61d8f79 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -318,16 +318,18 @@ bad_state: static bool rxrpc_receiving_reply(struct rxrpc_call *call) { struct rxrpc_ack_summary summary = { 0 }; + unsigned long now, timo; rxrpc_seq_t top = READ_ONCE(call->tx_top); if (call->ackr_reason) { spin_lock_bh(&call->lock); call->ackr_reason = 0; - call->resend_at = call->expire_at; - call->ack_at = call->expire_at; spin_unlock_bh(&call->lock); - rxrpc_set_timer(call, rxrpc_timer_init_for_reply, - ktime_get_real()); + now = jiffies; + timo = now + MAX_JIFFY_OFFSET; + WRITE_ONCE(call->resend_at, timo); + WRITE_ONCE(call->ack_at, timo); + trace_rxrpc_timer(call, rxrpc_timer_init_for_reply, now); } if (!test_bit(RXRPC_CALL_TX_LAST, &call->flags)) @@ -437,6 +439,19 @@ static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb, if (state >= RXRPC_CALL_COMPLETE) return; + if (call->state == RXRPC_CALL_SERVER_RECV_REQUEST) { + unsigned long timo = READ_ONCE(call->next_req_timo); + unsigned long now, expect_req_by; + + if (timo) { + now = jiffies; + expect_req_by = now + timo; + WRITE_ONCE(call->expect_req_by, expect_req_by); + rxrpc_reduce_call_timer(call, expect_req_by, now, + rxrpc_timer_set_for_idle); + } + } + /* Received data implicitly ACKs all of the request packets we sent * when we're acting as a client. */ @@ -616,6 +631,43 @@ found: } /* + * Process the response to a ping that we sent to find out if we lost an ACK. + * + * If we got back a ping response that indicates a lower tx_top than what we + * had at the time of the ping transmission, we adjudge all the DATA packets + * sent between the response tx_top and the ping-time tx_top to have been lost. + */ +static void rxrpc_input_check_for_lost_ack(struct rxrpc_call *call) +{ + rxrpc_seq_t top, bottom, seq; + bool resend = false; + + spin_lock_bh(&call->lock); + + bottom = call->tx_hard_ack + 1; + top = call->acks_lost_top; + if (before(bottom, top)) { + for (seq = bottom; before_eq(seq, top); seq++) { + int ix = seq & RXRPC_RXTX_BUFF_MASK; + u8 annotation = call->rxtx_annotations[ix]; + u8 anno_type = annotation & RXRPC_TX_ANNO_MASK; + + if (anno_type != RXRPC_TX_ANNO_UNACK) + continue; + annotation &= ~RXRPC_TX_ANNO_MASK; + annotation |= RXRPC_TX_ANNO_RETRANS; + call->rxtx_annotations[ix] = annotation; + resend = true; + } + } + + spin_unlock_bh(&call->lock); + + if (resend && !test_and_set_bit(RXRPC_CALL_EV_RESEND, &call->events)) + rxrpc_queue_call(call); +} + +/* * Process a ping response. */ static void rxrpc_input_ping_response(struct rxrpc_call *call, @@ -630,6 +682,9 @@ static void rxrpc_input_ping_response(struct rxrpc_call *call, smp_rmb(); ping_serial = call->ping_serial; + if (orig_serial == call->acks_lost_ping) + rxrpc_input_check_for_lost_ack(call); + if (!test_bit(RXRPC_CALL_PINGING, &call->flags) || before(orig_serial, ping_serial)) return; @@ -908,9 +963,20 @@ static void rxrpc_input_call_packet(struct rxrpc_call *call, struct sk_buff *skb, u16 skew) { struct rxrpc_skb_priv *sp = rxrpc_skb(skb); + unsigned long timo; _enter("%p,%p", call, skb); + timo = READ_ONCE(call->next_rx_timo); + if (timo) { + unsigned long now = jiffies, expect_rx_by; + + expect_rx_by = jiffies + timo; + WRITE_ONCE(call->expect_rx_by, expect_rx_by); + rxrpc_reduce_call_timer(call, expect_rx_by, now, + rxrpc_timer_set_for_normal); + } + switch (sp->hdr.type) { case RXRPC_PACKET_TYPE_DATA: rxrpc_input_data(call, skb, skew); diff --git a/net/rxrpc/misc.c b/net/rxrpc/misc.c index 1a2d4b112064..c1d9e7fd7448 100644 --- a/net/rxrpc/misc.c +++ b/net/rxrpc/misc.c @@ -21,33 +21,28 @@ unsigned int rxrpc_max_backlog __read_mostly = 10; /* - * Maximum lifetime of a call (in mx). - */ -unsigned int rxrpc_max_call_lifetime = 60 * 1000; - -/* * How long to wait before scheduling ACK generation after seeing a - * packet with RXRPC_REQUEST_ACK set (in ms). + * packet with RXRPC_REQUEST_ACK set (in jiffies). */ -unsigned int rxrpc_requested_ack_delay = 1; +unsigned long rxrpc_requested_ack_delay = 1; /* - * How long to wait before scheduling an ACK with subtype DELAY (in ms). + * How long to wait before scheduling an ACK with subtype DELAY (in jiffies). * * We use this when we've received new data packets. If those packets aren't * all consumed within this time we will send a DELAY ACK if an ACK was not * requested to let the sender know it doesn't need to resend. */ -unsigned int rxrpc_soft_ack_delay = 1 * 1000; +unsigned long rxrpc_soft_ack_delay = HZ; /* - * How long to wait before scheduling an ACK with subtype IDLE (in ms). + * How long to wait before scheduling an ACK with subtype IDLE (in jiffies). * * We use this when we've consumed some previously soft-ACK'd packets when * further packets aren't immediately received to decide when to send an IDLE * ACK let the other end know that it can free up its Tx buffer space. */ -unsigned int rxrpc_idle_ack_delay = 0.5 * 1000; +unsigned long rxrpc_idle_ack_delay = HZ / 2; /* * Receive window size in packets. This indicates the maximum number of @@ -75,7 +70,7 @@ unsigned int rxrpc_rx_jumbo_max = 4; /* * Time till packet resend (in milliseconds). */ -unsigned int rxrpc_resend_timeout = 4 * 1000; +unsigned long rxrpc_resend_timeout = 4 * HZ; const s8 rxrpc_ack_priority[] = { [0] = 0, diff --git a/net/rxrpc/net_ns.c b/net/rxrpc/net_ns.c index 7edceb8522f5..f18c9248e0d4 100644 --- a/net/rxrpc/net_ns.c +++ b/net/rxrpc/net_ns.c @@ -14,6 +14,24 @@ unsigned int rxrpc_net_id; +static void rxrpc_client_conn_reap_timeout(struct timer_list *timer) +{ + struct rxrpc_net *rxnet = + container_of(timer, struct rxrpc_net, client_conn_reap_timer); + + if (rxnet->live) + rxrpc_queue_work(&rxnet->client_conn_reaper); +} + +static void rxrpc_service_conn_reap_timeout(struct timer_list *timer) +{ + struct rxrpc_net *rxnet = + container_of(timer, struct rxrpc_net, service_conn_reap_timer); + + if (rxnet->live) + rxrpc_queue_work(&rxnet->service_conn_reaper); +} + /* * Initialise a per-network namespace record. */ @@ -22,6 +40,7 @@ static __net_init int rxrpc_init_net(struct net *net) struct rxrpc_net *rxnet = rxrpc_net(net); int ret; + rxnet->live = true; get_random_bytes(&rxnet->epoch, sizeof(rxnet->epoch)); rxnet->epoch |= RXRPC_RANDOM_EPOCH; @@ -31,8 +50,10 @@ static __net_init int rxrpc_init_net(struct net *net) INIT_LIST_HEAD(&rxnet->conn_proc_list); INIT_LIST_HEAD(&rxnet->service_conns); rwlock_init(&rxnet->conn_lock); - INIT_DELAYED_WORK(&rxnet->service_conn_reaper, - rxrpc_service_connection_reaper); + INIT_WORK(&rxnet->service_conn_reaper, + rxrpc_service_connection_reaper); + timer_setup(&rxnet->service_conn_reap_timer, + rxrpc_service_conn_reap_timeout, 0); rxnet->nr_client_conns = 0; rxnet->nr_active_client_conns = 0; @@ -42,8 +63,10 @@ static __net_init int rxrpc_init_net(struct net *net) INIT_LIST_HEAD(&rxnet->waiting_client_conns); INIT_LIST_HEAD(&rxnet->active_client_conns); INIT_LIST_HEAD(&rxnet->idle_client_conns); - INIT_DELAYED_WORK(&rxnet->client_conn_reaper, - rxrpc_discard_expired_client_conns); + INIT_WORK(&rxnet->client_conn_reaper, + rxrpc_discard_expired_client_conns); + timer_setup(&rxnet->client_conn_reap_timer, + rxrpc_client_conn_reap_timeout, 0); INIT_LIST_HEAD(&rxnet->local_endpoints); mutex_init(&rxnet->local_mutex); @@ -60,6 +83,7 @@ static __net_init int rxrpc_init_net(struct net *net) return 0; err_proc: + rxnet->live = false; return ret; } @@ -70,6 +94,7 @@ static __net_exit void rxrpc_exit_net(struct net *net) { struct rxrpc_net *rxnet = rxrpc_net(net); + rxnet->live = false; rxrpc_destroy_all_calls(rxnet); rxrpc_destroy_all_connections(rxnet); rxrpc_destroy_all_locals(rxnet); diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index f47659c7b224..42410e910aff 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -33,6 +33,24 @@ struct rxrpc_abort_buffer { }; /* + * Arrange for a keepalive ping a certain time after we last transmitted. This + * lets the far side know we're still interested in this call and helps keep + * the route through any intervening firewall open. + * + * Receiving a response to the ping will prevent the ->expect_rx_by timer from + * expiring. + */ +static void rxrpc_set_keepalive(struct rxrpc_call *call) +{ + unsigned long now = jiffies, keepalive_at = call->next_rx_timo / 6; + + keepalive_at += now; + WRITE_ONCE(call->keepalive_at, keepalive_at); + rxrpc_reduce_call_timer(call, keepalive_at, now, + rxrpc_timer_set_for_keepalive); +} + +/* * Fill out an ACK packet. */ static size_t rxrpc_fill_out_ack(struct rxrpc_connection *conn, @@ -95,7 +113,8 @@ static size_t rxrpc_fill_out_ack(struct rxrpc_connection *conn, /* * Send an ACK call packet. */ -int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping) +int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, + rxrpc_serial_t *_serial) { struct rxrpc_connection *conn = NULL; struct rxrpc_ack_buffer *pkt; @@ -165,6 +184,8 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping) ntohl(pkt->ack.firstPacket), ntohl(pkt->ack.serial), pkt->ack.reason, pkt->ack.nAcks); + if (_serial) + *_serial = serial; if (ping) { call->ping_serial = serial; @@ -202,6 +223,8 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping) call->ackr_seen = top; spin_unlock_bh(&call->lock); } + + rxrpc_set_keepalive(call); } out: @@ -323,7 +346,8 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb, * ACKs if a DATA packet appears to have been lost. */ if (!(sp->hdr.flags & RXRPC_LAST_PACKET) && - (retrans || + (test_and_clear_bit(RXRPC_CALL_EV_ACK_LOST, &call->events) || + retrans || call->cong_mode == RXRPC_CALL_SLOW_START || (call->peer->rtt_usage < 3 && sp->hdr.seq & 1) || ktime_before(ktime_add_ms(call->peer->rtt_last_req, 1000), @@ -370,8 +394,23 @@ done: if (whdr.flags & RXRPC_REQUEST_ACK) { call->peer->rtt_last_req = now; trace_rxrpc_rtt_tx(call, rxrpc_rtt_tx_data, serial); + if (call->peer->rtt_usage > 1) { + unsigned long nowj = jiffies, ack_lost_at; + + ack_lost_at = nsecs_to_jiffies(2 * call->peer->rtt); + if (ack_lost_at < 1) + ack_lost_at = 1; + + ack_lost_at += nowj; + WRITE_ONCE(call->ack_lost_at, ack_lost_at); + rxrpc_reduce_call_timer(call, ack_lost_at, nowj, + rxrpc_timer_set_for_lost_ack); + } } } + + rxrpc_set_keepalive(call); + _leave(" = %d [%u]", ret, call->peer->maxdata); return ret; diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c index 8510a98b87e1..cc21e8db25b0 100644 --- a/net/rxrpc/recvmsg.c +++ b/net/rxrpc/recvmsg.c @@ -144,11 +144,13 @@ static void rxrpc_end_rx_phase(struct rxrpc_call *call, rxrpc_serial_t serial) trace_rxrpc_receive(call, rxrpc_receive_end, 0, call->rx_top); ASSERTCMP(call->rx_hard_ack, ==, call->rx_top); +#if 0 // TODO: May want to transmit final ACK under some circumstances anyway if (call->state == RXRPC_CALL_CLIENT_RECV_REPLY) { rxrpc_propose_ACK(call, RXRPC_ACK_IDLE, 0, serial, true, false, rxrpc_propose_ack_terminal_ack); - rxrpc_send_ack_packet(call, false); + rxrpc_send_ack_packet(call, false, NULL); } +#endif write_lock_bh(&call->state_lock); @@ -161,7 +163,7 @@ static void rxrpc_end_rx_phase(struct rxrpc_call *call, rxrpc_serial_t serial) case RXRPC_CALL_SERVER_RECV_REQUEST: call->tx_phase = true; call->state = RXRPC_CALL_SERVER_ACK_REQUEST; - call->ack_at = call->expire_at; + call->expect_req_by = jiffies + MAX_JIFFY_OFFSET; write_unlock_bh(&call->state_lock); rxrpc_propose_ACK(call, RXRPC_ACK_DELAY, 0, serial, false, true, rxrpc_propose_ack_processing_op); @@ -217,10 +219,10 @@ static void rxrpc_rotate_rx_window(struct rxrpc_call *call) after_eq(top, call->ackr_seen + 2) || (hard_ack == top && after(hard_ack, call->ackr_consumed))) rxrpc_propose_ACK(call, RXRPC_ACK_DELAY, 0, serial, - true, false, + true, true, rxrpc_propose_ack_rotate_rx); - if (call->ackr_reason) - rxrpc_send_ack_packet(call, false); + if (call->ackr_reason && call->ackr_reason != RXRPC_ACK_DELAY) + rxrpc_send_ack_packet(call, false, NULL); } } diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index 7d2595582c09..a1c53ac066a1 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -21,22 +21,6 @@ #include <net/af_rxrpc.h> #include "ar-internal.h" -enum rxrpc_command { - RXRPC_CMD_SEND_DATA, /* send data message */ - RXRPC_CMD_SEND_ABORT, /* request abort generation */ - RXRPC_CMD_ACCEPT, /* [server] accept incoming call */ - RXRPC_CMD_REJECT_BUSY, /* [server] reject a call as busy */ -}; - -struct rxrpc_send_params { - s64 tx_total_len; /* Total Tx data length (if send data) */ - unsigned long user_call_ID; /* User's call ID */ - u32 abort_code; /* Abort code to Tx (if abort) */ - enum rxrpc_command command : 8; /* The command to implement */ - bool exclusive; /* Shared or exclusive call */ - bool upgrade; /* If the connection is upgradeable */ -}; - /* * Wait for space to appear in the Tx queue or a signal to occur. */ @@ -174,6 +158,7 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, rxrpc_notify_end_tx_t notify_end_tx) { struct rxrpc_skb_priv *sp = rxrpc_skb(skb); + unsigned long now; rxrpc_seq_t seq = sp->hdr.seq; int ret, ix; u8 annotation = RXRPC_TX_ANNO_UNACK; @@ -213,11 +198,11 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, break; case RXRPC_CALL_SERVER_ACK_REQUEST: call->state = RXRPC_CALL_SERVER_SEND_REPLY; - call->ack_at = call->expire_at; + now = jiffies; + WRITE_ONCE(call->ack_at, now + MAX_JIFFY_OFFSET); if (call->ackr_reason == RXRPC_ACK_DELAY) call->ackr_reason = 0; - __rxrpc_set_timer(call, rxrpc_timer_init_for_send_reply, - ktime_get_real()); + trace_rxrpc_timer(call, rxrpc_timer_init_for_send_reply, now); if (!last) break; /* Fall through */ @@ -239,14 +224,19 @@ static void rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, _debug("need instant resend %d", ret); rxrpc_instant_resend(call, ix); } else { - ktime_t now = ktime_get_real(), resend_at; - - resend_at = ktime_add_ms(now, rxrpc_resend_timeout); - - if (ktime_before(resend_at, call->resend_at)) { - call->resend_at = resend_at; - rxrpc_set_timer(call, rxrpc_timer_set_for_send, now); - } + unsigned long now = jiffies, resend_at; + + if (call->peer->rtt_usage > 1) + resend_at = nsecs_to_jiffies(call->peer->rtt * 3 / 2); + else + resend_at = rxrpc_resend_timeout; + if (resend_at < 1) + resend_at = 1; + + resend_at = now + rxrpc_resend_timeout; + WRITE_ONCE(call->resend_at, resend_at); + rxrpc_reduce_call_timer(call, resend_at, now, + rxrpc_timer_set_for_send); } rxrpc_free_skb(skb, rxrpc_skb_tx_freed); @@ -295,7 +285,7 @@ static int rxrpc_send_data(struct rxrpc_sock *rx, do { /* Check to see if there's a ping ACK to reply to. */ if (call->ackr_reason == RXRPC_ACK_PING_RESPONSE) - rxrpc_send_ack_packet(call, false); + rxrpc_send_ack_packet(call, false, NULL); if (!skb) { size_t size, chunk, max, space; @@ -480,11 +470,11 @@ static int rxrpc_sendmsg_cmsg(struct msghdr *msg, struct rxrpc_send_params *p) if (msg->msg_flags & MSG_CMSG_COMPAT) { if (len != sizeof(u32)) return -EINVAL; - p->user_call_ID = *(u32 *)CMSG_DATA(cmsg); + p->call.user_call_ID = *(u32 *)CMSG_DATA(cmsg); } else { if (len != sizeof(unsigned long)) return -EINVAL; - p->user_call_ID = *(unsigned long *) + p->call.user_call_ID = *(unsigned long *) CMSG_DATA(cmsg); } got_user_ID = true; @@ -522,11 +512,24 @@ static int rxrpc_sendmsg_cmsg(struct msghdr *msg, struct rxrpc_send_params *p) break; case RXRPC_TX_LENGTH: - if (p->tx_total_len != -1 || len != sizeof(__s64)) + if (p->call.tx_total_len != -1 || len != sizeof(__s64)) + return -EINVAL; + p->call.tx_total_len = *(__s64 *)CMSG_DATA(cmsg); + if (p->call.tx_total_len < 0) return -EINVAL; - p->tx_total_len = *(__s64 *)CMSG_DATA(cmsg); - if (p->tx_total_len < 0) + break; + + case RXRPC_SET_CALL_TIMEOUT: + if (len & 3 || len < 4 || len > 12) return -EINVAL; + memcpy(&p->call.timeouts, CMSG_DATA(cmsg), len); + p->call.nr_timeouts = len / 4; + if (p->call.timeouts.hard > INT_MAX / HZ) + return -ERANGE; + if (p->call.nr_timeouts >= 2 && p->call.timeouts.idle > 60 * 60 * 1000) + return -ERANGE; + if (p->call.nr_timeouts >= 3 && p->call.timeouts.normal > 60 * 60 * 1000) + return -ERANGE; break; default: @@ -536,7 +539,7 @@ static int rxrpc_sendmsg_cmsg(struct msghdr *msg, struct rxrpc_send_params *p) if (!got_user_ID) return -EINVAL; - if (p->tx_total_len != -1 && p->command != RXRPC_CMD_SEND_DATA) + if (p->call.tx_total_len != -1 && p->command != RXRPC_CMD_SEND_DATA) return -EINVAL; _leave(" = 0"); return 0; @@ -576,8 +579,7 @@ rxrpc_new_client_call_for_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, cp.exclusive = rx->exclusive | p->exclusive; cp.upgrade = p->upgrade; cp.service_id = srx->srx_service; - call = rxrpc_new_client_call(rx, &cp, srx, p->user_call_ID, - p->tx_total_len, GFP_KERNEL); + call = rxrpc_new_client_call(rx, &cp, srx, &p->call, GFP_KERNEL); /* The socket is now unlocked */ _leave(" = %p\n", call); @@ -594,15 +596,17 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) { enum rxrpc_call_state state; struct rxrpc_call *call; + unsigned long now, j; int ret; struct rxrpc_send_params p = { - .tx_total_len = -1, - .user_call_ID = 0, - .abort_code = 0, - .command = RXRPC_CMD_SEND_DATA, - .exclusive = false, - .upgrade = true, + .call.tx_total_len = -1, + .call.user_call_ID = 0, + .call.nr_timeouts = 0, + .abort_code = 0, + .command = RXRPC_CMD_SEND_DATA, + .exclusive = false, + .upgrade = false, }; _enter(""); @@ -615,15 +619,15 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) ret = -EINVAL; if (rx->sk.sk_state != RXRPC_SERVER_LISTENING) goto error_release_sock; - call = rxrpc_accept_call(rx, p.user_call_ID, NULL); + call = rxrpc_accept_call(rx, p.call.user_call_ID, NULL); /* The socket is now unlocked. */ if (IS_ERR(call)) return PTR_ERR(call); - rxrpc_put_call(call, rxrpc_call_put); - return 0; + ret = 0; + goto out_put_unlock; } - call = rxrpc_find_call_by_user_ID(rx, p.user_call_ID); + call = rxrpc_find_call_by_user_ID(rx, p.call.user_call_ID); if (!call) { ret = -EBADSLT; if (p.command != RXRPC_CMD_SEND_DATA) @@ -653,14 +657,39 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) goto error_put; } - if (p.tx_total_len != -1) { + if (p.call.tx_total_len != -1) { ret = -EINVAL; if (call->tx_total_len != -1 || call->tx_pending || call->tx_top != 0) goto error_put; - call->tx_total_len = p.tx_total_len; + call->tx_total_len = p.call.tx_total_len; + } + } + + switch (p.call.nr_timeouts) { + case 3: + j = msecs_to_jiffies(p.call.timeouts.normal); + if (p.call.timeouts.normal > 0 && j == 0) + j = 1; + WRITE_ONCE(call->next_rx_timo, j); + /* Fall through */ + case 2: + j = msecs_to_jiffies(p.call.timeouts.idle); + if (p.call.timeouts.idle > 0 && j == 0) + j = 1; + WRITE_ONCE(call->next_req_timo, j); + /* Fall through */ + case 1: + if (p.call.timeouts.hard > 0) { + j = msecs_to_jiffies(p.call.timeouts.hard); + now = jiffies; + j += now; + WRITE_ONCE(call->expect_term_by, j); + rxrpc_reduce_call_timer(call, j, now, + rxrpc_timer_set_for_hard); } + break; } state = READ_ONCE(call->state); @@ -689,6 +718,7 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) ret = rxrpc_send_data(rx, call, msg, len, NULL); } +out_put_unlock: mutex_unlock(&call->user_mutex); error_put: rxrpc_put_call(call, rxrpc_call_put); diff --git a/net/rxrpc/sysctl.c b/net/rxrpc/sysctl.c index 34c706d2f79c..4a7af7aff37d 100644 --- a/net/rxrpc/sysctl.c +++ b/net/rxrpc/sysctl.c @@ -21,6 +21,8 @@ static const unsigned int four = 4; static const unsigned int thirtytwo = 32; static const unsigned int n_65535 = 65535; static const unsigned int n_max_acks = RXRPC_RXTX_BUFF_SIZE - 1; +static const unsigned long one_jiffy = 1; +static const unsigned long max_jiffies = MAX_JIFFY_OFFSET; /* * RxRPC operating parameters. @@ -29,64 +31,60 @@ static const unsigned int n_max_acks = RXRPC_RXTX_BUFF_SIZE - 1; * information on the individual parameters. */ static struct ctl_table rxrpc_sysctl_table[] = { - /* Values measured in milliseconds */ + /* Values measured in milliseconds but used in jiffies */ { .procname = "req_ack_delay", .data = &rxrpc_requested_ack_delay, - .maxlen = sizeof(unsigned int), + .maxlen = sizeof(unsigned long), .mode = 0644, - .proc_handler = proc_dointvec, - .extra1 = (void *)&zero, + .proc_handler = proc_doulongvec_ms_jiffies_minmax, + .extra1 = (void *)&one_jiffy, + .extra2 = (void *)&max_jiffies, }, { .procname = "soft_ack_delay", .data = &rxrpc_soft_ack_delay, - .maxlen = sizeof(unsigned int), + .maxlen = sizeof(unsigned long), .mode = 0644, - .proc_handler = proc_dointvec, - .extra1 = (void *)&one, + .proc_handler = proc_doulongvec_ms_jiffies_minmax, + .extra1 = (void *)&one_jiffy, + .extra2 = (void *)&max_jiffies, }, { .procname = "idle_ack_delay", .data = &rxrpc_idle_ack_delay, - .maxlen = sizeof(unsigned int), + .maxlen = sizeof(unsigned long), .mode = 0644, - .proc_handler = proc_dointvec, - .extra1 = (void *)&one, - }, - { - .procname = "resend_timeout", - .data = &rxrpc_resend_timeout, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = proc_dointvec, - .extra1 = (void *)&one, + .proc_handler = proc_doulongvec_ms_jiffies_minmax, + .extra1 = (void *)&one_jiffy, + .extra2 = (void *)&max_jiffies, }, { .procname = "idle_conn_expiry", .data = &rxrpc_conn_idle_client_expiry, - .maxlen = sizeof(unsigned int), + .maxlen = sizeof(unsigned long), .mode = 0644, - .proc_handler = proc_dointvec_ms_jiffies, - .extra1 = (void *)&one, + .proc_handler = proc_doulongvec_ms_jiffies_minmax, + .extra1 = (void *)&one_jiffy, + .extra2 = (void *)&max_jiffies, }, { .procname = "idle_conn_fast_expiry", .data = &rxrpc_conn_idle_client_fast_expiry, - .maxlen = sizeof(unsigned int), + .maxlen = sizeof(unsigned long), .mode = 0644, - .proc_handler = proc_dointvec_ms_jiffies, - .extra1 = (void *)&one, + .proc_handler = proc_doulongvec_ms_jiffies_minmax, + .extra1 = (void *)&one_jiffy, + .extra2 = (void *)&max_jiffies, }, - - /* Values measured in seconds but used in jiffies */ { - .procname = "max_call_lifetime", - .data = &rxrpc_max_call_lifetime, - .maxlen = sizeof(unsigned int), + .procname = "resend_timeout", + .data = &rxrpc_resend_timeout, + .maxlen = sizeof(unsigned long), .mode = 0644, - .proc_handler = proc_dointvec, - .extra1 = (void *)&one, + .proc_handler = proc_doulongvec_ms_jiffies_minmax, + .extra1 = (void *)&one_jiffy, + .extra2 = (void *)&max_jiffies, }, /* Non-time values */ diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 7d97f612c9b9..ddcf04b4ab43 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -336,7 +336,8 @@ static void tcf_block_put_final(struct work_struct *work) struct tcf_chain *chain, *tmp; rtnl_lock(); - /* Only chain 0 should be still here. */ + + /* At this point, all the chains should have refcnt == 1. */ list_for_each_entry_safe(chain, tmp, &block->chain_list, list) tcf_chain_put(chain); rtnl_unlock(); @@ -344,15 +345,21 @@ static void tcf_block_put_final(struct work_struct *work) } /* XXX: Standalone actions are not allowed to jump to any chain, and bound - * actions should be all removed after flushing. However, filters are now - * destroyed in tc filter workqueue with RTNL lock, they can not race here. + * actions should be all removed after flushing. */ void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, struct tcf_block_ext_info *ei) { - struct tcf_chain *chain, *tmp; + struct tcf_chain *chain; - list_for_each_entry_safe(chain, tmp, &block->chain_list, list) + /* Hold a refcnt for all chains, except 0, so that they don't disappear + * while we are iterating. + */ + list_for_each_entry(chain, &block->chain_list, list) + if (chain->index) + tcf_chain_hold(chain); + + list_for_each_entry(chain, &block->chain_list, list) tcf_chain_flush(chain); tcf_block_offload_unbind(block, q, ei); diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index a9f3e317055c..6fe798c2df1a 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -258,11 +258,8 @@ static int cls_bpf_init(struct tcf_proto *tp) return 0; } -static void __cls_bpf_delete_prog(struct cls_bpf_prog *prog) +static void cls_bpf_free_parms(struct cls_bpf_prog *prog) { - tcf_exts_destroy(&prog->exts); - tcf_exts_put_net(&prog->exts); - if (cls_bpf_is_ebpf(prog)) bpf_prog_put(prog->filter); else @@ -270,6 +267,14 @@ static void __cls_bpf_delete_prog(struct cls_bpf_prog *prog) kfree(prog->bpf_name); kfree(prog->bpf_ops); +} + +static void __cls_bpf_delete_prog(struct cls_bpf_prog *prog) +{ + tcf_exts_destroy(&prog->exts); + tcf_exts_put_net(&prog->exts); + + cls_bpf_free_parms(prog); kfree(prog); } @@ -514,12 +519,8 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, goto errout_idr; ret = cls_bpf_offload(tp, prog, oldprog); - if (ret) { - if (!oldprog) - idr_remove_ext(&head->handle_idr, prog->handle); - __cls_bpf_delete_prog(prog); - return ret; - } + if (ret) + goto errout_parms; if (!tc_in_hw(prog->gen_flags)) prog->gen_flags |= TCA_CLS_FLAGS_NOT_IN_HW; @@ -537,6 +538,8 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, *arg = prog; return 0; +errout_parms: + cls_bpf_free_parms(prog); errout_idr: if (!oldprog) idr_remove_ext(&head->handle_idr, prog->handle); diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 6361be7881f1..525eb3a6d625 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1158,9 +1158,13 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt) if ((q->link.R_tab = qdisc_get_rtab(r, tb[TCA_CBQ_RTAB])) == NULL) return -EINVAL; + err = tcf_block_get(&q->link.block, &q->link.filter_list, sch); + if (err) + goto put_rtab; + err = qdisc_class_hash_init(&q->clhash); if (err < 0) - goto put_rtab; + goto put_block; q->link.sibling = &q->link; q->link.common.classid = sch->handle; @@ -1194,6 +1198,9 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt) cbq_addprio(q, &q->link); return 0; +put_block: + tcf_block_put(q->link.block); + put_rtab: qdisc_put_rtab(q->link.R_tab); return err; diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 890f4a4564e7..09c1203c1711 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -724,6 +724,7 @@ static int sfq_init(struct Qdisc *sch, struct nlattr *opt) int i; int err; + q->sch = sch; timer_setup(&q->perturb_timer, sfq_perturbation, TIMER_DEFERRABLE); err = tcf_block_get(&q->block, &q->filter_list, sch); diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index f5172c21349b..6a38c2503649 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -1499,6 +1499,7 @@ static __init int sctp_init(void) INIT_LIST_HEAD(&sctp_address_families); sctp_v4_pf_init(); sctp_v6_pf_init(); + sctp_sched_ops_init(); status = register_pernet_subsys(&sctp_defaults_ops); if (status) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 3204a9b29407..3a1b134ff592 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -188,13 +188,13 @@ static void sctp_for_each_tx_datachunk(struct sctp_association *asoc, list_for_each_entry(chunk, &t->transmitted, transmitted_list) cb(chunk); - list_for_each_entry(chunk, &q->retransmit, list) + list_for_each_entry(chunk, &q->retransmit, transmitted_list) cb(chunk); - list_for_each_entry(chunk, &q->sacked, list) + list_for_each_entry(chunk, &q->sacked, transmitted_list) cb(chunk); - list_for_each_entry(chunk, &q->abandoned, list) + list_for_each_entry(chunk, &q->abandoned, transmitted_list) cb(chunk); list_for_each_entry(chunk, &q->out_chunk_list, list) @@ -7497,11 +7497,11 @@ out: * here, again, by modeling the current TCP/UDP code. We don't have * a good way to test with it yet. */ -unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait) +__poll_t sctp_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct sctp_sock *sp = sctp_sk(sk); - unsigned int mask; + __poll_t mask; poll_wait(file, sk_sleep(sk), wait); diff --git a/net/sctp/stream.c b/net/sctp/stream.c index a11db21dc8a0..76ea66be0bbe 100644 --- a/net/sctp/stream.c +++ b/net/sctp/stream.c @@ -64,7 +64,7 @@ static void sctp_stream_outq_migrate(struct sctp_stream *stream, */ /* Mark as failed send. */ - sctp_chunk_fail(ch, SCTP_ERROR_INV_STRM); + sctp_chunk_fail(ch, (__force __u32)SCTP_ERROR_INV_STRM); if (asoc->peer.prsctp_capable && SCTP_PR_PRIO_ENABLED(ch->sinfo.sinfo_flags)) asoc->sent_cnt_removable--; @@ -254,6 +254,30 @@ static int sctp_send_reconf(struct sctp_association *asoc, return retval; } +static bool sctp_stream_outq_is_empty(struct sctp_stream *stream, + __u16 str_nums, __be16 *str_list) +{ + struct sctp_association *asoc; + __u16 i; + + asoc = container_of(stream, struct sctp_association, stream); + if (!asoc->outqueue.out_qlen) + return true; + + if (!str_nums) + return false; + + for (i = 0; i < str_nums; i++) { + __u16 sid = ntohs(str_list[i]); + + if (stream->out[sid].ext && + !list_empty(&stream->out[sid].ext->outq)) + return false; + } + + return true; +} + int sctp_send_reset_streams(struct sctp_association *asoc, struct sctp_reset_streams *params) { @@ -317,6 +341,11 @@ int sctp_send_reset_streams(struct sctp_association *asoc, for (i = 0; i < str_nums; i++) nstr_list[i] = htons(str_list[i]); + if (out && !sctp_stream_outq_is_empty(stream, str_nums, nstr_list)) { + retval = -EAGAIN; + goto out; + } + chunk = sctp_make_strreset_req(asoc, str_nums, nstr_list, out, in); kfree(nstr_list); @@ -377,6 +406,9 @@ int sctp_send_reset_assoc(struct sctp_association *asoc) if (asoc->strreset_outstanding) return -EINPROGRESS; + if (!sctp_outq_is_empty(&asoc->outqueue)) + return -EAGAIN; + chunk = sctp_make_strreset_tsnreq(asoc); if (!chunk) return -ENOMEM; @@ -563,7 +595,7 @@ struct sctp_chunk *sctp_process_strreset_outreq( flags = SCTP_STREAM_RESET_INCOMING_SSN; } - nums = (ntohs(param.p->length) - sizeof(*outreq)) / 2; + nums = (ntohs(param.p->length) - sizeof(*outreq)) / sizeof(__u16); if (nums) { str_p = outreq->list_of_streams; for (i = 0; i < nums; i++) { @@ -627,7 +659,7 @@ struct sctp_chunk *sctp_process_strreset_inreq( goto out; } - nums = (ntohs(param.p->length) - sizeof(*inreq)) / 2; + nums = (ntohs(param.p->length) - sizeof(*inreq)) / sizeof(__u16); str_p = inreq->list_of_streams; for (i = 0; i < nums; i++) { if (ntohs(str_p[i]) >= stream->outcnt) { @@ -636,6 +668,12 @@ struct sctp_chunk *sctp_process_strreset_inreq( } } + if (!sctp_stream_outq_is_empty(stream, nums, str_p)) { + result = SCTP_STRRESET_IN_PROGRESS; + asoc->strreset_inseq--; + goto err; + } + chunk = sctp_make_strreset_req(asoc, nums, str_p, 1, 0); if (!chunk) goto out; @@ -687,12 +725,18 @@ struct sctp_chunk *sctp_process_strreset_tsnreq( i = asoc->strreset_inseq - request_seq - 1; result = asoc->strreset_result[i]; if (result == SCTP_STRRESET_PERFORMED) { - next_tsn = asoc->next_tsn; + next_tsn = asoc->ctsn_ack_point + 1; init_tsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map) + 1; } goto err; } + + if (!sctp_outq_is_empty(&asoc->outqueue)) { + result = SCTP_STRRESET_IN_PROGRESS; + goto err; + } + asoc->strreset_inseq++; if (!(asoc->strreset_enable & SCTP_ENABLE_RESET_ASSOC_REQ)) @@ -703,9 +747,10 @@ struct sctp_chunk *sctp_process_strreset_tsnreq( goto out; } - /* G3: The same processing as though a SACK chunk with no gap report - * and a cumulative TSN ACK of the Sender's Next TSN minus 1 were - * received MUST be performed. + /* G4: The same processing as though a FWD-TSN chunk (as defined in + * [RFC3758]) with all streams affected and a new cumulative TSN + * ACK of the Receiver's Next TSN minus 1 were received MUST be + * performed. */ max_tsn_seen = sctp_tsnmap_get_max_tsn_seen(&asoc->peer.tsn_map); sctp_ulpq_reasm_flushtsn(&asoc->ulpq, max_tsn_seen); @@ -720,10 +765,9 @@ struct sctp_chunk *sctp_process_strreset_tsnreq( sctp_tsnmap_init(&asoc->peer.tsn_map, SCTP_TSN_MAP_INITIAL, init_tsn, GFP_ATOMIC); - /* G4: The same processing as though a FWD-TSN chunk (as defined in - * [RFC3758]) with all streams affected and a new cumulative TSN - * ACK of the Receiver's Next TSN minus 1 were received MUST be - * performed. + /* G3: The same processing as though a SACK chunk with no gap report + * and a cumulative TSN ACK of the Sender's Next TSN minus 1 were + * received MUST be performed. */ sctp_outq_free(&asoc->outqueue); @@ -927,7 +971,8 @@ struct sctp_chunk *sctp_process_strreset_resp( outreq = (struct sctp_strreset_outreq *)req; str_p = outreq->list_of_streams; - nums = (ntohs(outreq->param_hdr.length) - sizeof(*outreq)) / 2; + nums = (ntohs(outreq->param_hdr.length) - sizeof(*outreq)) / + sizeof(__u16); if (result == SCTP_STRRESET_PERFORMED) { if (nums) { @@ -956,7 +1001,8 @@ struct sctp_chunk *sctp_process_strreset_resp( inreq = (struct sctp_strreset_inreq *)req; str_p = inreq->list_of_streams; - nums = (ntohs(inreq->param_hdr.length) - sizeof(*inreq)) / 2; + nums = (ntohs(inreq->param_hdr.length) - sizeof(*inreq)) / + sizeof(__u16); *evp = sctp_ulpevent_make_stream_reset_event(asoc, flags, nums, str_p, GFP_ATOMIC); @@ -975,6 +1021,7 @@ struct sctp_chunk *sctp_process_strreset_resp( if (result == SCTP_STRRESET_PERFORMED) { __u32 mtsn = sctp_tsnmap_get_max_tsn_seen( &asoc->peer.tsn_map); + LIST_HEAD(temp); sctp_ulpq_reasm_flushtsn(&asoc->ulpq, mtsn); sctp_ulpq_abort_pd(&asoc->ulpq, GFP_ATOMIC); @@ -983,7 +1030,13 @@ struct sctp_chunk *sctp_process_strreset_resp( SCTP_TSN_MAP_INITIAL, stsn, GFP_ATOMIC); + /* Clean up sacked and abandoned queues only. As the + * out_chunk_list may not be empty, splice it to temp, + * then get it back after sctp_outq_free is done. + */ + list_splice_init(&asoc->outqueue.out_chunk_list, &temp); sctp_outq_free(&asoc->outqueue); + list_splice_init(&temp, &asoc->outqueue.out_chunk_list); asoc->next_tsn = rtsn; asoc->ctsn_ack_point = asoc->next_tsn - 1; diff --git a/net/sctp/stream_sched.c b/net/sctp/stream_sched.c index 0b83ec51e43b..d8c162a4089c 100644 --- a/net/sctp/stream_sched.c +++ b/net/sctp/stream_sched.c @@ -119,16 +119,27 @@ static struct sctp_sched_ops sctp_sched_fcfs = { .unsched_all = sctp_sched_fcfs_unsched_all, }; +static void sctp_sched_ops_fcfs_init(void) +{ + sctp_sched_ops_register(SCTP_SS_FCFS, &sctp_sched_fcfs); +} + /* API to other parts of the stack */ -extern struct sctp_sched_ops sctp_sched_prio; -extern struct sctp_sched_ops sctp_sched_rr; +static struct sctp_sched_ops *sctp_sched_ops[SCTP_SS_MAX + 1]; -static struct sctp_sched_ops *sctp_sched_ops[] = { - &sctp_sched_fcfs, - &sctp_sched_prio, - &sctp_sched_rr, -}; +void sctp_sched_ops_register(enum sctp_sched_type sched, + struct sctp_sched_ops *sched_ops) +{ + sctp_sched_ops[sched] = sched_ops; +} + +void sctp_sched_ops_init(void) +{ + sctp_sched_ops_fcfs_init(); + sctp_sched_ops_prio_init(); + sctp_sched_ops_rr_init(); +} int sctp_sched_set_sched(struct sctp_association *asoc, enum sctp_sched_type sched) diff --git a/net/sctp/stream_sched_prio.c b/net/sctp/stream_sched_prio.c index 384dbf3c8760..7997d35dd0fd 100644 --- a/net/sctp/stream_sched_prio.c +++ b/net/sctp/stream_sched_prio.c @@ -333,7 +333,7 @@ static void sctp_sched_prio_unsched_all(struct sctp_stream *stream) sctp_sched_prio_unsched(soute); } -struct sctp_sched_ops sctp_sched_prio = { +static struct sctp_sched_ops sctp_sched_prio = { .set = sctp_sched_prio_set, .get = sctp_sched_prio_get, .init = sctp_sched_prio_init, @@ -345,3 +345,8 @@ struct sctp_sched_ops sctp_sched_prio = { .sched_all = sctp_sched_prio_sched_all, .unsched_all = sctp_sched_prio_unsched_all, }; + +void sctp_sched_ops_prio_init(void) +{ + sctp_sched_ops_register(SCTP_SS_PRIO, &sctp_sched_prio); +} diff --git a/net/sctp/stream_sched_rr.c b/net/sctp/stream_sched_rr.c index 7612a438c5b9..1155692448f1 100644 --- a/net/sctp/stream_sched_rr.c +++ b/net/sctp/stream_sched_rr.c @@ -187,7 +187,7 @@ static void sctp_sched_rr_unsched_all(struct sctp_stream *stream) sctp_sched_rr_unsched(stream, soute); } -struct sctp_sched_ops sctp_sched_rr = { +static struct sctp_sched_ops sctp_sched_rr = { .set = sctp_sched_rr_set, .get = sctp_sched_rr_get, .init = sctp_sched_rr_init, @@ -199,3 +199,8 @@ struct sctp_sched_ops sctp_sched_rr = { .sched_all = sctp_sched_rr_sched_all, .unsched_all = sctp_sched_rr_unsched_all, }; + +void sctp_sched_ops_rr_init(void) +{ + sctp_sched_ops_register(SCTP_SS_RR, &sctp_sched_rr); +} diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 6451c5013e06..449f62e1e270 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -1107,7 +1107,7 @@ out: return rc; } -static unsigned int smc_accept_poll(struct sock *parent) +static __poll_t smc_accept_poll(struct sock *parent) { struct smc_sock *isk; struct sock *sk; @@ -1126,11 +1126,11 @@ static unsigned int smc_accept_poll(struct sock *parent) return 0; } -static unsigned int smc_poll(struct file *file, struct socket *sock, +static __poll_t smc_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; - unsigned int mask = 0; + __poll_t mask = 0; struct smc_sock *smc; int rc; diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c index 1800e16b2a02..511548085d16 100644 --- a/net/smc/smc_clc.c +++ b/net/smc/smc_clc.c @@ -35,7 +35,7 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, struct smc_clc_msg_hdr *clcm = buf; struct msghdr msg = {NULL, 0}; int reason_code = 0; - struct kvec vec; + struct kvec vec = {buf, buflen}; int len, datlen; int krflags; @@ -43,12 +43,15 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, * so we don't consume any subsequent CLC message or payload data * in the TCP byte stream */ - vec.iov_base = buf; - vec.iov_len = buflen; + /* + * Caller must make sure that buflen is no less than + * sizeof(struct smc_clc_msg_hdr) + */ krflags = MSG_PEEK | MSG_WAITALL; smc->clcsock->sk->sk_rcvtimeo = CLC_WAIT_TIME; - len = kernel_recvmsg(smc->clcsock, &msg, &vec, 1, - sizeof(struct smc_clc_msg_hdr), krflags); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &vec, 1, + sizeof(struct smc_clc_msg_hdr)); + len = sock_recvmsg(smc->clcsock, &msg, krflags); if (signal_pending(current)) { reason_code = -EINTR; clc_sk->sk_err = EINTR; @@ -83,12 +86,11 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, } /* receive the complete CLC message */ - vec.iov_base = buf; - vec.iov_len = buflen; memset(&msg, 0, sizeof(struct msghdr)); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &vec, 1, buflen); krflags = MSG_WAITALL; smc->clcsock->sk->sk_rcvtimeo = CLC_WAIT_TIME; - len = kernel_recvmsg(smc->clcsock, &msg, &vec, 1, datlen, krflags); + len = sock_recvmsg(smc->clcsock, &msg, krflags); if (len < datlen) { smc->sk.sk_err = EPROTO; reason_code = -EPROTO; diff --git a/net/socket.c b/net/socket.c index 42d8e9c9ccd5..3e5e4f13046c 100644 --- a/net/socket.c +++ b/net/socket.c @@ -118,7 +118,7 @@ static ssize_t sock_write_iter(struct kiocb *iocb, struct iov_iter *from); static int sock_mmap(struct file *file, struct vm_area_struct *vma); static int sock_close(struct inode *inode, struct file *file); -static unsigned int sock_poll(struct file *file, +static __poll_t sock_poll(struct file *file, struct poll_table_struct *wait); static long sock_ioctl(struct file *file, unsigned int cmd, unsigned long arg); #ifdef CONFIG_COMPAT @@ -1091,9 +1091,9 @@ out_release: EXPORT_SYMBOL(sock_create_lite); /* No kernel lock held - perfect */ -static unsigned int sock_poll(struct file *file, poll_table *wait) +static __poll_t sock_poll(struct file *file, poll_table *wait) { - unsigned int busy_flag = 0; + __poll_t busy_flag = 0; struct socket *sock; /* diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 73165e9ca5bf..5dd4e6c9fef2 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -264,7 +264,7 @@ out: return status; } -static struct cache_detail rsi_cache_template = { +static const struct cache_detail rsi_cache_template = { .owner = THIS_MODULE, .hash_size = RSI_HASHMAX, .name = "auth.rpcsec.init", @@ -524,7 +524,7 @@ out: return status; } -static struct cache_detail rsc_cache_template = { +static const struct cache_detail rsc_cache_template = { .owner = THIS_MODULE, .hash_size = RSC_HASHMAX, .name = "auth.rpcsec.context", diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 79d55d949d9a..aa36dad32db1 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -930,10 +930,10 @@ out: static DECLARE_WAIT_QUEUE_HEAD(queue_wait); -static unsigned int cache_poll(struct file *filp, poll_table *wait, +static __poll_t cache_poll(struct file *filp, poll_table *wait, struct cache_detail *cd) { - unsigned int mask; + __poll_t mask; struct cache_reader *rp = filp->private_data; struct cache_queue *cq; @@ -1501,7 +1501,7 @@ static ssize_t cache_write_procfs(struct file *filp, const char __user *buf, return cache_write(filp, buf, count, ppos, cd); } -static unsigned int cache_poll_procfs(struct file *filp, poll_table *wait) +static __poll_t cache_poll_procfs(struct file *filp, poll_table *wait) { struct cache_detail *cd = PDE_DATA(file_inode(filp)); @@ -1674,7 +1674,7 @@ void cache_unregister_net(struct cache_detail *cd, struct net *net) } EXPORT_SYMBOL_GPL(cache_unregister_net); -struct cache_detail *cache_create_net(struct cache_detail *tmpl, struct net *net) +struct cache_detail *cache_create_net(const struct cache_detail *tmpl, struct net *net) { struct cache_detail *cd; int i; @@ -1720,7 +1720,7 @@ static ssize_t cache_write_pipefs(struct file *filp, const char __user *buf, return cache_write(filp, buf, count, ppos, cd); } -static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait) +static __poll_t cache_poll_pipefs(struct file *filp, poll_table *wait) { struct cache_detail *cd = RPC_I(file_inode(filp))->private; diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index a801da812f86..e2a4184f3c5d 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1841,6 +1841,7 @@ call_bind_status(struct rpc_task *task) case -ECONNABORTED: case -ENOTCONN: case -EHOSTDOWN: + case -ENETDOWN: case -EHOSTUNREACH: case -ENETUNREACH: case -ENOBUFS: @@ -1917,6 +1918,7 @@ call_connect_status(struct rpc_task *task) /* fall through */ case -ECONNRESET: case -ECONNABORTED: + case -ENETDOWN: case -ENETUNREACH: case -EHOSTUNREACH: case -EADDRINUSE: @@ -2022,6 +2024,7 @@ call_transmit_status(struct rpc_task *task) */ case -ECONNREFUSED: case -EHOSTDOWN: + case -ENETDOWN: case -EHOSTUNREACH: case -ENETUNREACH: case -EPERM: @@ -2071,6 +2074,7 @@ call_bc_transmit(struct rpc_task *task) switch (task->tk_status) { case 0: /* Success */ + case -ENETDOWN: case -EHOSTDOWN: case -EHOSTUNREACH: case -ENETUNREACH: @@ -2139,6 +2143,7 @@ call_status(struct rpc_task *task) task->tk_status = 0; switch(status) { case -EHOSTDOWN: + case -ENETDOWN: case -EHOSTUNREACH: case -ENETUNREACH: case -EPERM: diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 7803f3b6aa53..5c4330325787 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -340,12 +340,12 @@ rpc_pipe_write(struct file *filp, const char __user *buf, size_t len, loff_t *of return res; } -static unsigned int +static __poll_t rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait) { struct inode *inode = file_inode(filp); struct rpc_inode *rpci = RPC_I(inode); - unsigned int mask = POLLOUT | POLLWRNORM; + __poll_t mask = POLLOUT | POLLWRNORM; poll_wait(filp, &rpci->waitq, wait); diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index f81eaa8e0888..740b67d5a733 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -569,7 +569,7 @@ static int unix_gid_show(struct seq_file *m, return 0; } -static struct cache_detail unix_gid_cache_template = { +static const struct cache_detail unix_gid_cache_template = { .owner = THIS_MODULE, .hash_size = GID_HASHMAX, .name = "auth.unix.gid", @@ -862,7 +862,7 @@ struct auth_ops svcauth_unix = { .set_client = svcauth_unix_set_client, }; -static struct cache_detail ip_map_cache_template = { +static const struct cache_detail ip_map_cache_template = { .owner = THIS_MODULE, .hash_size = IP_HASHMAX, .name = "auth.unix.ip", diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index ff8e06cd067e..5570719e4787 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -338,8 +338,8 @@ static int svc_recvfrom(struct svc_rqst *rqstp, struct kvec *iov, int nr, rqstp->rq_xprt_hlen = 0; clear_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); - len = kernel_recvmsg(svsk->sk_sock, &msg, iov, nr, buflen, - msg.msg_flags); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, iov, nr, buflen); + len = sock_recvmsg(svsk->sk_sock, &msg, msg.msg_flags); /* If we read a full record, then assume there may be more * data to read (stream based sockets only!) */ diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 9cc850c2719e..6d0cc3b8f932 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2440,7 +2440,9 @@ static void xs_tcp_setup_socket(struct work_struct *work) */ case -ECONNREFUSED: case -ECONNRESET: + case -ENETDOWN: case -ENETUNREACH: + case -EHOSTUNREACH: case -EADDRINUSE: case -ENOBUFS: /* diff --git a/net/tipc/group.c b/net/tipc/group.c index 12777cac638a..95fec2c057d6 100644 --- a/net/tipc/group.c +++ b/net/tipc/group.c @@ -497,6 +497,7 @@ void tipc_group_filter_msg(struct tipc_group *grp, struct sk_buff_head *inputq, while ((skb = skb_peek(defq))) { hdr = buf_msg(skb); mtyp = msg_type(hdr); + blks = msg_blocks(hdr); deliver = true; ack = false; update = false; @@ -546,7 +547,6 @@ void tipc_group_filter_msg(struct tipc_group *grp, struct sk_buff_head *inputq, if (!update) continue; - blks = msg_blocks(hdr); tipc_group_update_rcv_win(grp, blks, node, port, xmitq); } return; diff --git a/net/tipc/server.c b/net/tipc/server.c index acaef80fb88c..0c3b74d1e722 100644 --- a/net/tipc/server.c +++ b/net/tipc/server.c @@ -264,8 +264,8 @@ static int tipc_receive_from_sock(struct tipc_conn *con) iov.iov_base = buf; iov.iov_len = s->max_rcvbuf_size; msg.msg_name = &addr; - ret = kernel_recvmsg(con->sock, &msg, &iov, 1, iov.iov_len, - MSG_DONTWAIT); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, iov.iov_len); + ret = sock_recvmsg(con->sock, &msg, MSG_DONTWAIT); if (ret <= 0) { kmem_cache_free(s->rcvbuf_cache, buf); goto out_close; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 5d18c0caa92b..d94d25855190 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -710,13 +710,13 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr, * imply that the operation will succeed, merely that it should be performed * and will not block. */ -static unsigned int tipc_poll(struct file *file, struct socket *sock, +static __poll_t tipc_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; struct tipc_sock *tsk = tipc_sk(sk); struct tipc_group *grp = tsk->group; - u32 revents = 0; + __poll_t revents = 0; sock_poll_wait(file, sk_sleep(sk), wait); diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index a9ee634f3c42..6b7678df41e5 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -367,7 +367,7 @@ static int unix_dgram_peer_wake_relay(wait_queue_entry_t *q, unsigned mode, int /* relaying can only happen while the wq still exists */ u_sleep = sk_sleep(&u->sk); if (u_sleep) - wake_up_interruptible_poll(u_sleep, key); + wake_up_interruptible_poll(u_sleep, key_to_poll(key)); return 0; } @@ -638,8 +638,8 @@ static int unix_stream_connect(struct socket *, struct sockaddr *, static int unix_socketpair(struct socket *, struct socket *); static int unix_accept(struct socket *, struct socket *, int, bool); static int unix_getname(struct socket *, struct sockaddr *, int *, int); -static unsigned int unix_poll(struct file *, struct socket *, poll_table *); -static unsigned int unix_dgram_poll(struct file *, struct socket *, +static __poll_t unix_poll(struct file *, struct socket *, poll_table *); +static __poll_t unix_dgram_poll(struct file *, struct socket *, poll_table *); static int unix_ioctl(struct socket *, unsigned int, unsigned long); static int unix_shutdown(struct socket *, int); @@ -2640,10 +2640,10 @@ static int unix_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) return err; } -static unsigned int unix_poll(struct file *file, struct socket *sock, poll_table *wait) +static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk; - unsigned int mask; + __poll_t mask; sock_poll_wait(file, sk_sleep(sk), wait); mask = 0; @@ -2675,11 +2675,12 @@ static unsigned int unix_poll(struct file *file, struct socket *sock, poll_table return mask; } -static unsigned int unix_dgram_poll(struct file *file, struct socket *sock, +static __poll_t unix_dgram_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk = sock->sk, *other; - unsigned int mask, writable; + unsigned int writable; + __poll_t mask; sock_poll_wait(file, sk_sleep(sk), wait); mask = 0; diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 5d28abf87fbf..bbd97d3bd8fb 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -850,11 +850,11 @@ static int vsock_shutdown(struct socket *sock, int mode) return err; } -static unsigned int vsock_poll(struct file *file, struct socket *sock, +static __poll_t vsock_poll(struct file *file, struct socket *sock, poll_table *wait) { struct sock *sk; - unsigned int mask; + __poll_t mask; struct vsock_sock *vsk; sk = sock->sk; diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 391775e3575c..a7a73ffe675b 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -797,11 +797,13 @@ static void vmci_transport_handle_detach(struct sock *sk) /* We should not be sending anymore since the peer won't be * there to receive, but we can still receive if there is data - * left in our consume queue. + * left in our consume queue. If the local endpoint is a host, + * we can't call vsock_stream_has_data, since that may block, + * but a host endpoint can't read data once the VM has + * detached, so there is no available data in that case. */ - if (vsock_stream_has_data(vsk) <= 0) { - sk->sk_state = TCP_CLOSE; - + if (vsk->local_addr.svm_cid == VMADDR_CID_HOST || + vsock_stream_has_data(vsk) <= 0) { if (sk->sk_state == TCP_SYN_SENT) { /* The peer may detach from a queue pair while * we are still in the connecting state, i.e., @@ -811,10 +813,12 @@ static void vmci_transport_handle_detach(struct sock *sk) * event like a reset. */ + sk->sk_state = TCP_CLOSE; sk->sk_err = ECONNRESET; sk->sk_error_report(sk); return; } + sk->sk_state = TCP_CLOSE; } sk->sk_state_change(sk); } @@ -2144,7 +2148,7 @@ module_exit(vmci_transport_exit); MODULE_AUTHOR("VMware, Inc."); MODULE_DESCRIPTION("VMCI transport for Virtual Sockets"); -MODULE_VERSION("1.0.4.0-k"); +MODULE_VERSION("1.0.5.0-k"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("vmware_vsock"); MODULE_ALIAS_NETPROTO(PF_VSOCK); diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig index da91bb547db3..1abcc4fc4df1 100644 --- a/net/wireless/Kconfig +++ b/net/wireless/Kconfig @@ -20,6 +20,10 @@ config CFG80211 tristate "cfg80211 - wireless configuration API" depends on RFKILL || !RFKILL select FW_LOADER + # may need to update this when certificates are changed and are + # using a different algorithm, though right now they shouldn't + # (this is here rather than below to allow it to be a module) + select CRYPTO_SHA256 if CFG80211_USE_KERNEL_REGDB_KEYS ---help--- cfg80211 is the Linux wireless LAN (802.11) configuration API. Enable this if you have a wireless device. @@ -113,6 +117,9 @@ config CFG80211_EXTRA_REGDB_KEYDIR certificates like in the kernel sources (net/wireless/certs/) that shall be accepted for a signed regulatory database. + Note that you need to also select the correct CRYPTO_<hash> modules + for your certificates, and if cfg80211 is built-in they also must be. + config CFG80211_REG_CELLULAR_HINTS bool "cfg80211 regulatory support for cellular base station hints" depends on CFG80211_CERTIFICATION_ONUS diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter index 6f099f915dcf..94b664817ad9 100755 --- a/scripts/bloat-o-meter +++ b/scripts/bloat-o-meter @@ -83,8 +83,11 @@ def print_result(symboltype, symbolformat, argc): for d, n in delta: if d: print("%-40s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d)) - print("Total: Before=%d, After=%d, chg %+.2f%%" % \ - (otot, ntot, (ntot - otot)*100.0/otot)) + if otot: + percent = (ntot - otot) * 100.0 / otot + else: + percent = 0 + print("Total: Before=%d, After=%d, chg %+.2f%%" % (otot, ntot, percent)) if sys.argv[1] == "-c": print_result("Function", "tT", 3) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 95cda3ecc66b..040aa79e1d9d 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -5753,7 +5753,7 @@ sub process { for (my $count = $linenr; $count <= $lc; $count++) { my $fmt = get_quoted_string($lines[$count - 1], raw_line($count, 0)); $fmt =~ s/%%//g; - if ($fmt =~ /(\%[\*\d\.]*p(?![\WFfSsBKRraEhMmIiUDdgVCbGNO]).)/) { + if ($fmt =~ /(\%[\*\d\.]*p(?![\WFfSsBKRraEhMmIiUDdgVCbGNOx]).)/) { $bad_extension = $1; last; } diff --git a/scripts/faddr2line b/scripts/faddr2line index 1f5ce959f596..39e07d8574dd 100755 --- a/scripts/faddr2line +++ b/scripts/faddr2line @@ -44,9 +44,16 @@ set -o errexit set -o nounset +READELF="${CROSS_COMPILE}readelf" +ADDR2LINE="${CROSS_COMPILE}addr2line" +SIZE="${CROSS_COMPILE}size" +NM="${CROSS_COMPILE}nm" + command -v awk >/dev/null 2>&1 || die "awk isn't installed" -command -v readelf >/dev/null 2>&1 || die "readelf isn't installed" -command -v addr2line >/dev/null 2>&1 || die "addr2line isn't installed" +command -v ${READELF} >/dev/null 2>&1 || die "readelf isn't installed" +command -v ${ADDR2LINE} >/dev/null 2>&1 || die "addr2line isn't installed" +command -v ${SIZE} >/dev/null 2>&1 || die "size isn't installed" +command -v ${NM} >/dev/null 2>&1 || die "nm isn't installed" usage() { echo "usage: faddr2line <object file> <func+offset> <func+offset>..." >&2 @@ -69,10 +76,10 @@ die() { find_dir_prefix() { local objfile=$1 - local start_kernel_addr=$(readelf -sW $objfile | awk '$8 == "start_kernel" {printf "0x%s", $2}') + local start_kernel_addr=$(${READELF} -sW $objfile | awk '$8 == "start_kernel" {printf "0x%s", $2}') [[ -z $start_kernel_addr ]] && return - local file_line=$(addr2line -e $objfile $start_kernel_addr) + local file_line=$(${ADDR2LINE} -e $objfile $start_kernel_addr) [[ -z $file_line ]] && return local prefix=${file_line%init/main.c:*} @@ -104,7 +111,7 @@ __faddr2line() { # Go through each of the object's symbols which match the func name. # In rare cases there might be duplicates. - file_end=$(size -Ax $objfile | awk '$1 == ".text" {print $2}') + file_end=$(${SIZE} -Ax $objfile | awk '$1 == ".text" {print $2}') while read symbol; do local fields=($symbol) local sym_base=0x${fields[0]} @@ -156,10 +163,10 @@ __faddr2line() { # pass real address to addr2line echo "$func+$offset/$sym_size:" - addr2line -fpie $objfile $addr | sed "s; $dir_prefix\(\./\)*; ;" + ${ADDR2LINE} -fpie $objfile $addr | sed "s; $dir_prefix\(\./\)*; ;" DONE=1 - done < <(nm -n $objfile | awk -v fn=$func -v end=$file_end '$3 == fn { found=1; line=$0; start=$1; next } found == 1 { found=0; print line, "0x"$1 } END {if (found == 1) print line, end; }') + done < <(${NM} -n $objfile | awk -v fn=$func -v end=$file_end '$3 == fn { found=1; line=$0; start=$1; next } found == 1 { found=0; print line, "0x"$1 } END {if (found == 1) print line, end; }') } [[ $# -lt 2 ]] && usage diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index 8542e9a55e1b..4d202b73a0e1 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -571,10 +571,10 @@ static int ns_revision_open(struct inode *inode, struct file *file) return 0; } -static unsigned int ns_revision_poll(struct file *file, poll_table *pt) +static __poll_t ns_revision_poll(struct file *file, poll_table *pt) { struct aa_revision *rev = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; if (rev) { mutex_lock_nested(&rev->ns->lock, rev->ns->level); @@ -2451,7 +2451,7 @@ static int __init aa_create_aafs(void) aafs_mnt = kern_mount(&aafs_ops); if (IS_ERR(aafs_mnt)) panic("can't set apparmorfs up\n"); - aafs_mnt->mnt_sb->s_flags &= ~MS_NOUSER; + aafs_mnt->mnt_sb->s_flags &= ~SB_NOUSER; /* Populate fs tree. */ error = entry_create_dir(&aa_sfs_entry, NULL); diff --git a/security/apparmor/include/audit.h b/security/apparmor/include/audit.h index 620e81169659..4ac095118717 100644 --- a/security/apparmor/include/audit.h +++ b/security/apparmor/include/audit.h @@ -121,17 +121,19 @@ struct apparmor_audit_data { /* these entries require a custom callback fn */ struct { struct aa_label *peer; - struct { - const char *target; - kuid_t ouid; - } fs; + union { + struct { + const char *target; + kuid_t ouid; + } fs; + int signal; + }; }; struct { struct aa_profile *profile; const char *ns; long pos; } iface; - int signal; struct { int rlim; unsigned long max; diff --git a/security/apparmor/include/lib.h b/security/apparmor/include/lib.h index f546707a2bbb..6505e1ad9e23 100644 --- a/security/apparmor/include/lib.h +++ b/security/apparmor/include/lib.h @@ -86,7 +86,7 @@ static inline unsigned int aa_dfa_null_transition(struct aa_dfa *dfa, static inline bool path_mediated_fs(struct dentry *dentry) { - return !(dentry->d_sb->s_flags & MS_NOUSER); + return !(dentry->d_sb->s_flags & SB_NOUSER); } diff --git a/security/tomoyo/audit.c b/security/tomoyo/audit.c index 0f73fe30e37a..558e3076d38c 100644 --- a/security/tomoyo/audit.c +++ b/security/tomoyo/audit.c @@ -458,7 +458,7 @@ void tomoyo_read_log(struct tomoyo_io_buffer *head) * * Returns POLLIN | POLLRDNORM when ready to read an audit log. */ -unsigned int tomoyo_poll_log(struct file *file, poll_table *wait) +__poll_t tomoyo_poll_log(struct file *file, poll_table *wait) { if (tomoyo_log_count) return POLLIN | POLLRDNORM; diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c index 25eed4b0b0e8..70c73bf66c88 100644 --- a/security/tomoyo/common.c +++ b/security/tomoyo/common.c @@ -2120,7 +2120,7 @@ static struct tomoyo_domain_info *tomoyo_find_domain_by_qid * * Waits for access requests which violated policy in enforcing mode. */ -static unsigned int tomoyo_poll_query(struct file *file, poll_table *wait) +static __poll_t tomoyo_poll_query(struct file *file, poll_table *wait) { if (!list_empty(&tomoyo_query_list)) return POLLIN | POLLRDNORM; @@ -2453,7 +2453,7 @@ int tomoyo_open_control(const u8 type, struct file *file) * Returns POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM if ready to read/write, * POLLOUT | POLLWRNORM otherwise. */ -unsigned int tomoyo_poll_control(struct file *file, poll_table *wait) +__poll_t tomoyo_poll_control(struct file *file, poll_table *wait) { struct tomoyo_io_buffer *head = file->private_data; if (head->poll) diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h index 7adccdd8e36d..539bcdd30bb8 100644 --- a/security/tomoyo/common.h +++ b/security/tomoyo/common.h @@ -789,7 +789,7 @@ struct tomoyo_acl_param { struct tomoyo_io_buffer { void (*read) (struct tomoyo_io_buffer *); int (*write) (struct tomoyo_io_buffer *); - unsigned int (*poll) (struct file *file, poll_table *wait); + __poll_t (*poll) (struct file *file, poll_table *wait); /* Exclusive lock for this structure. */ struct mutex io_sem; char __user *read_user_buf; @@ -981,8 +981,8 @@ int tomoyo_path_number_perm(const u8 operation, const struct path *path, unsigned long number); int tomoyo_path_perm(const u8 operation, const struct path *path, const char *target); -unsigned int tomoyo_poll_control(struct file *file, poll_table *wait); -unsigned int tomoyo_poll_log(struct file *file, poll_table *wait); +__poll_t tomoyo_poll_control(struct file *file, poll_table *wait); +__poll_t tomoyo_poll_log(struct file *file, poll_table *wait); int tomoyo_socket_bind_permission(struct socket *sock, struct sockaddr *addr, int addr_len); int tomoyo_socket_connect_permission(struct socket *sock, diff --git a/security/tomoyo/securityfs_if.c b/security/tomoyo/securityfs_if.c index 49393c2a3f8b..fb9bf99deb35 100644 --- a/security/tomoyo/securityfs_if.c +++ b/security/tomoyo/securityfs_if.c @@ -157,7 +157,7 @@ static int tomoyo_release(struct inode *inode, struct file *file) * Returns POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM if ready to read/write, * POLLOUT | POLLWRNORM otherwise. */ -static unsigned int tomoyo_poll(struct file *file, poll_table *wait) +static __poll_t tomoyo_poll(struct file *file, poll_table *wait) { return tomoyo_poll_control(file, wait); } diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index 4490a699030b..a12b9555e910 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -396,7 +396,7 @@ static int snd_compr_mmap(struct file *f, struct vm_area_struct *vma) return -ENXIO; } -static inline int snd_compr_get_poll(struct snd_compr_stream *stream) +static __poll_t snd_compr_get_poll(struct snd_compr_stream *stream) { if (stream->direction == SND_COMPRESS_PLAYBACK) return POLLOUT | POLLWRNORM; @@ -404,12 +404,12 @@ static inline int snd_compr_get_poll(struct snd_compr_stream *stream) return POLLIN | POLLRDNORM; } -static unsigned int snd_compr_poll(struct file *f, poll_table *wait) +static __poll_t snd_compr_poll(struct file *f, poll_table *wait) { struct snd_compr_file *data = f->private_data; struct snd_compr_stream *stream; size_t avail; - int retval = 0; + __poll_t retval = 0; if (snd_BUG_ON(!data)) return POLLERR; diff --git a/sound/core/control.c b/sound/core/control.c index 56b3e2d49c82..494389fb966c 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1666,9 +1666,9 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer, return result > 0 ? result : err; } -static unsigned int snd_ctl_poll(struct file *file, poll_table * wait) +static __poll_t snd_ctl_poll(struct file *file, poll_table * wait) { - unsigned int mask; + __poll_t mask; struct snd_ctl_file *ctl; ctl = file->private_data; diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c index 8faae3d1455d..26e71cf05f1e 100644 --- a/sound/core/hwdep.c +++ b/sound/core/hwdep.c @@ -177,7 +177,7 @@ static int snd_hwdep_release(struct inode *inode, struct file * file) return err; } -static unsigned int snd_hwdep_poll(struct file * file, poll_table * wait) +static __poll_t snd_hwdep_poll(struct file * file, poll_table * wait) { struct snd_hwdep *hw = file->private_data; if (hw->ops.poll) @@ -233,8 +233,6 @@ static int snd_hwdep_dsp_load(struct snd_hwdep *hw, /* check whether the dsp was already loaded */ if (hw->dsp_loaded & (1 << info.index)) return -EBUSY; - if (!access_ok(VERIFY_READ, info.image, info.length)) - return -EFAULT; err = hw->ops.dsp_load(hw, &info); if (err < 0) return err; diff --git a/sound/core/info.c b/sound/core/info.c index bcf6a48cc70d..aa86f3f8e056 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -203,11 +203,11 @@ static ssize_t snd_info_entry_write(struct file *file, const char __user *buffer return size; } -static unsigned int snd_info_entry_poll(struct file *file, poll_table *wait) +static __poll_t snd_info_entry_poll(struct file *file, poll_table *wait) { struct snd_info_private_data *data = file->private_data; struct snd_info_entry *entry = data->entry; - unsigned int mask = 0; + __poll_t mask = 0; if (entry->c.ops->poll) return entry->c.ops->poll(entry, diff --git a/sound/core/init.c b/sound/core/init.c index 168ae03d3a1c..8753440c3a6e 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -344,7 +344,7 @@ static int snd_disconnect_release(struct inode *inode, struct file *file) panic("%s(%p, %p) failed!", __func__, inode, file); } -static unsigned int snd_disconnect_poll(struct file * file, poll_table * wait) +static __poll_t snd_disconnect_poll(struct file * file, poll_table * wait) { return POLLERR | POLLNVAL; } diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index e49f448ee04f..caa4d0c949bf 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -2673,10 +2673,10 @@ static int snd_pcm_oss_capture_ready(struct snd_pcm_substream *substream) runtime->oss.period_frames; } -static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait) +static __poll_t snd_pcm_oss_poll(struct file *file, poll_table * wait) { struct snd_pcm_oss_file *pcm_oss_file; - unsigned int mask; + __poll_t mask; struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL; pcm_oss_file = file->private_data; diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index a4d92e46c459..6077dd6a0901 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -3130,12 +3130,12 @@ static ssize_t snd_pcm_writev(struct kiocb *iocb, struct iov_iter *from) return result; } -static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait) +static __poll_t snd_pcm_playback_poll(struct file *file, poll_table * wait) { struct snd_pcm_file *pcm_file; struct snd_pcm_substream *substream; struct snd_pcm_runtime *runtime; - unsigned int mask; + __poll_t mask; snd_pcm_uframes_t avail; pcm_file = file->private_data; @@ -3169,12 +3169,12 @@ static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait) return mask; } -static unsigned int snd_pcm_capture_poll(struct file *file, poll_table * wait) +static __poll_t snd_pcm_capture_poll(struct file *file, poll_table * wait) { struct snd_pcm_file *pcm_file; struct snd_pcm_substream *substream; struct snd_pcm_runtime *runtime; - unsigned int mask; + __poll_t mask; snd_pcm_uframes_t avail; pcm_file = file->private_data; diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index b3b353d72527..e7e4930732a3 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -1357,11 +1357,11 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf, return result; } -static unsigned int snd_rawmidi_poll(struct file *file, poll_table * wait) +static __poll_t snd_rawmidi_poll(struct file *file, poll_table * wait) { struct snd_rawmidi_file *rfile; struct snd_rawmidi_runtime *runtime; - unsigned int mask; + __poll_t mask; rfile = file->private_data; if (rfile->input != NULL) { diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c index 8cdf489df80e..5f64d0d88320 100644 --- a/sound/core/seq/oss/seq_oss.c +++ b/sound/core/seq/oss/seq_oss.c @@ -59,7 +59,7 @@ static int odev_release(struct inode *inode, struct file *file); static ssize_t odev_read(struct file *file, char __user *buf, size_t count, loff_t *offset); static ssize_t odev_write(struct file *file, const char __user *buf, size_t count, loff_t *offset); static long odev_ioctl(struct file *file, unsigned int cmd, unsigned long arg); -static unsigned int odev_poll(struct file *file, poll_table * wait); +static __poll_t odev_poll(struct file *file, poll_table * wait); /* @@ -197,7 +197,7 @@ static long odev_ioctl_compat(struct file *file, unsigned int cmd, #define odev_ioctl_compat NULL #endif -static unsigned int +static __poll_t odev_poll(struct file *file, poll_table * wait) { struct seq_oss_devinfo *dp; diff --git a/sound/core/seq/oss/seq_oss_device.h b/sound/core/seq/oss/seq_oss_device.h index afa007c0cc2d..2d0e9eaf13aa 100644 --- a/sound/core/seq/oss/seq_oss_device.h +++ b/sound/core/seq/oss/seq_oss_device.h @@ -124,7 +124,7 @@ void snd_seq_oss_release(struct seq_oss_devinfo *dp); int snd_seq_oss_ioctl(struct seq_oss_devinfo *dp, unsigned int cmd, unsigned long arg); int snd_seq_oss_read(struct seq_oss_devinfo *dev, char __user *buf, int count); int snd_seq_oss_write(struct seq_oss_devinfo *dp, const char __user *buf, int count, struct file *opt); -unsigned int snd_seq_oss_poll(struct seq_oss_devinfo *dp, struct file *file, poll_table * wait); +__poll_t snd_seq_oss_poll(struct seq_oss_devinfo *dp, struct file *file, poll_table * wait); void snd_seq_oss_reset(struct seq_oss_devinfo *dp); diff --git a/sound/core/seq/oss/seq_oss_rw.c b/sound/core/seq/oss/seq_oss_rw.c index 6a7b6aceeca9..c538e78ca310 100644 --- a/sound/core/seq/oss/seq_oss_rw.c +++ b/sound/core/seq/oss/seq_oss_rw.c @@ -196,10 +196,10 @@ insert_queue(struct seq_oss_devinfo *dp, union evrec *rec, struct file *opt) * select / poll */ -unsigned int +__poll_t snd_seq_oss_poll(struct seq_oss_devinfo *dp, struct file *file, poll_table * wait) { - unsigned int mask = 0; + __poll_t mask = 0; /* input */ if (dp->readq && is_read_mode(dp->file_mode)) { diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 6e22eea72654..6d57912a8988 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -1086,10 +1086,10 @@ static ssize_t snd_seq_write(struct file *file, const char __user *buf, /* * handle polling */ -static unsigned int snd_seq_poll(struct file *file, poll_table * wait) +static __poll_t snd_seq_poll(struct file *file, poll_table * wait) { struct snd_seq_client *client = file->private_data; - unsigned int mask = 0; + __poll_t mask = 0; /* check client structures are in place */ if (snd_BUG_ON(!client)) diff --git a/sound/core/timer.c b/sound/core/timer.c index ee09dace8bb1..da05e314917f 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -2072,9 +2072,9 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, return result > 0 ? result : err; } -static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait) +static __poll_t snd_timer_user_poll(struct file *file, poll_table * wait) { - unsigned int mask; + __poll_t mask; struct snd_timer_user *tu; tu = file->private_data; diff --git a/sound/firewire/bebob/bebob_hwdep.c b/sound/firewire/bebob/bebob_hwdep.c index 2b367c21b80c..83e791810c52 100644 --- a/sound/firewire/bebob/bebob_hwdep.c +++ b/sound/firewire/bebob/bebob_hwdep.c @@ -53,11 +53,11 @@ hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count, return count; } -static unsigned int +static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait) { struct snd_bebob *bebob = hwdep->private_data; - unsigned int events; + __poll_t events; poll_wait(file, &bebob->hwdep_wait, wait); diff --git a/sound/firewire/dice/dice-hwdep.c b/sound/firewire/dice/dice-hwdep.c index a4dc02a86f12..7a8af0f91c96 100644 --- a/sound/firewire/dice/dice-hwdep.c +++ b/sound/firewire/dice/dice-hwdep.c @@ -52,11 +52,11 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, return count; } -static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file, +static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait) { struct snd_dice *dice = hwdep->private_data; - unsigned int events; + __poll_t events; poll_wait(file, &dice->hwdep_wait, wait); diff --git a/sound/firewire/digi00x/digi00x-hwdep.c b/sound/firewire/digi00x/digi00x-hwdep.c index 463c6b8e864d..a084c2a834db 100644 --- a/sound/firewire/digi00x/digi00x-hwdep.c +++ b/sound/firewire/digi00x/digi00x-hwdep.c @@ -60,11 +60,11 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count, return count; } -static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file, +static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait) { struct snd_dg00x *dg00x = hwdep->private_data; - unsigned int events; + __poll_t events; poll_wait(file, &dg00x->hwdep_wait, wait); diff --git a/sound/firewire/fireface/ff-hwdep.c b/sound/firewire/fireface/ff-hwdep.c index 3ee04b054585..68e273fa5d23 100644 --- a/sound/firewire/fireface/ff-hwdep.c +++ b/sound/firewire/fireface/ff-hwdep.c @@ -52,11 +52,11 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count, return count; } -static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file, +static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait) { struct snd_ff *ff = hwdep->private_data; - unsigned int events; + __poll_t events; poll_wait(file, &ff->hwdep_wait, wait); diff --git a/sound/firewire/fireworks/fireworks_hwdep.c b/sound/firewire/fireworks/fireworks_hwdep.c index a3a3a16f5e08..e0eff9328ee1 100644 --- a/sound/firewire/fireworks/fireworks_hwdep.c +++ b/sound/firewire/fireworks/fireworks_hwdep.c @@ -184,11 +184,11 @@ end: return count; } -static unsigned int +static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait) { struct snd_efw *efw = hwdep->private_data; - unsigned int events; + __poll_t events; poll_wait(file, &efw->hwdep_wait, wait); diff --git a/sound/firewire/motu/motu-hwdep.c b/sound/firewire/motu/motu-hwdep.c index b87ccb69d597..7b6a086866e7 100644 --- a/sound/firewire/motu/motu-hwdep.c +++ b/sound/firewire/motu/motu-hwdep.c @@ -59,11 +59,11 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count, return count; } -static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file, +static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait) { struct snd_motu *motu = hwdep->private_data; - unsigned int events; + __poll_t events; poll_wait(file, &motu->hwdep_wait, wait); diff --git a/sound/firewire/oxfw/oxfw-hwdep.c b/sound/firewire/oxfw/oxfw-hwdep.c index ff2687ad0460..6c1828aff672 100644 --- a/sound/firewire/oxfw/oxfw-hwdep.c +++ b/sound/firewire/oxfw/oxfw-hwdep.c @@ -52,11 +52,11 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count, return count; } -static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file, +static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait) { struct snd_oxfw *oxfw = hwdep->private_data; - unsigned int events; + __poll_t events; poll_wait(file, &oxfw->hwdep_wait, wait); diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c index 8c4437d0051d..37b21647b471 100644 --- a/sound/firewire/tascam/tascam-hwdep.c +++ b/sound/firewire/tascam/tascam-hwdep.c @@ -50,11 +50,11 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count, return count; } -static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file, +static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait) { struct snd_tscm *tscm = hwdep->private_data; - unsigned int events; + __poll_t events; poll_wait(file, &tscm->hwdep_wait, wait); diff --git a/sound/oss/dmasound/dmasound_core.c b/sound/oss/dmasound/dmasound_core.c index fb3bbceb1fef..6b57f8aac1b7 100644 --- a/sound/oss/dmasound/dmasound_core.c +++ b/sound/oss/dmasound/dmasound_core.c @@ -670,9 +670,9 @@ static ssize_t sq_write(struct file *file, const char __user *src, size_t uLeft, return uUsed < 0? uUsed: uWritten; } -static unsigned int sq_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t sq_poll(struct file *file, struct poll_table_struct *wait) { - unsigned int mask = 0; + __poll_t mask = 0; int retVal; if (write_sq.locked == 0) { diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 0537c6322990..61b348383de8 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1476,9 +1476,9 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, return -EINVAL; } csize = hdr->bControlSize; - if (csize <= 1) { + if (!csize) { usb_audio_dbg(state->chip, - "unit %u: invalid bControlSize <= 1\n", + "unit %u: invalid bControlSize == 0\n", unitid); return -EINVAL; } diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index e1e7ce9ab217..bc93242eef8a 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -239,7 +239,7 @@ static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, return err < 0 ? err : count; } -static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, +static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait) { struct usb_mixer_interface *mixer = hw->private_data; diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index 159da1f3924e..e2be10d17118 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -271,12 +271,12 @@ out: return err; } -static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw, +static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait) { struct us122l *us122l = hw->private_data; unsigned *polled; - unsigned int mask; + __poll_t mask; poll_wait(file, &us122l->sk.sleep, wait); @@ -378,7 +378,7 @@ out: static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned cmd, unsigned long arg) { - struct usb_stream_config *cfg; + struct usb_stream_config cfg; struct us122l *us122l = hw->private_data; struct usb_stream *s; unsigned min_period_frames; @@ -388,24 +388,21 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS) return -ENOTTY; - cfg = memdup_user((void *)arg, sizeof(*cfg)); - if (IS_ERR(cfg)) - return PTR_ERR(cfg); + if (copy_from_user(&cfg, (void __user *)arg, sizeof(cfg))) + return -EFAULT; + + if (cfg.version != USB_STREAM_INTERFACE_VERSION) + return -ENXIO; - if (cfg->version != USB_STREAM_INTERFACE_VERSION) { - err = -ENXIO; - goto free; - } high_speed = us122l->dev->speed == USB_SPEED_HIGH; - if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000 && + if ((cfg.sample_rate != 44100 && cfg.sample_rate != 48000 && (!high_speed || - (cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) || - cfg->frame_size != 6 || - cfg->period_frames > 0x3000) { - err = -EINVAL; - goto free; - } - switch (cfg->sample_rate) { + (cfg.sample_rate != 88200 && cfg.sample_rate != 96000))) || + cfg.frame_size != 6 || + cfg.period_frames > 0x3000) + return -EINVAL; + + switch (cfg.sample_rate) { case 44100: min_period_frames = 48; break; @@ -418,10 +415,8 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, } if (!high_speed) min_period_frames <<= 1; - if (cfg->period_frames < min_period_frames) { - err = -EINVAL; - goto free; - } + if (cfg.period_frames < min_period_frames) + return -EINVAL; snd_power_wait(hw->card, SNDRV_CTL_POWER_D0); @@ -430,24 +425,22 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, if (!us122l->master) us122l->master = file; else if (us122l->master != file) { - if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg))) { + if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg))) { err = -EIO; goto unlock; } us122l->slave = file; } - if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg)) || + if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg)) || s->state == usb_stream_xrun) { us122l_stop(us122l); - if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames)) + if (!us122l_start(us122l, cfg.sample_rate, cfg.period_frames)) err = -EIO; else err = 1; } unlock: mutex_unlock(&us122l->mutex); -free: - kfree(cfg); wake_up_all(&us122l->sk.sleep); return err; } diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index f4b3cda412fc..07d15bae75bc 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -86,9 +86,9 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v return 0; } -static unsigned int snd_us428ctls_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait) +static __poll_t snd_us428ctls_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; struct usX2Ydev *us428 = hw->private_data; struct us428ctls_sharedmem *shm = us428->us428ctls_sharedmem; if (us428->chip_status & USX2Y_STAT_CHIP_HUP) @@ -198,24 +198,22 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw, struct snd_hwdep_dsp_image *dsp) { struct usX2Ydev *priv = hw->private_data; - int lret, err = -EINVAL; - snd_printdd( "dsp_load %s\n", dsp->name); + struct usb_device* dev = priv->dev; + int lret, err; + char *buf; - if (access_ok(VERIFY_READ, dsp->image, dsp->length)) { - struct usb_device* dev = priv->dev; - char *buf; + snd_printdd( "dsp_load %s\n", dsp->name); - buf = memdup_user(dsp->image, dsp->length); - if (IS_ERR(buf)) - return PTR_ERR(buf); + buf = memdup_user(dsp->image, dsp->length); + if (IS_ERR(buf)) + return PTR_ERR(buf); - err = usb_set_interface(dev, 0, 1); - if (err) - snd_printk(KERN_ERR "usb_set_interface error \n"); - else - err = usb_bulk_msg(dev, usb_sndbulkpipe(dev, 2), buf, dsp->length, &lret, 6000); - kfree(buf); - } + err = usb_set_interface(dev, 0, 1); + if (err) + snd_printk(KERN_ERR "usb_set_interface error \n"); + else + err = usb_bulk_msg(dev, usb_sndbulkpipe(dev, 2), buf, dsp->length, &lret, 6000); + kfree(buf); if (err) return err; if (dsp->index == 1) { diff --git a/tools/power/cpupower/bench/system.c b/tools/power/cpupower/bench/system.c index c25a74ae51ba..2bb3eef7d5c1 100644 --- a/tools/power/cpupower/bench/system.c +++ b/tools/power/cpupower/bench/system.c @@ -61,7 +61,7 @@ int set_cpufreq_governor(char *governor, unsigned int cpu) dprintf("set %s as cpufreq governor\n", governor); - if (cpupower_is_cpu_online(cpu) != 0) { + if (cpupower_is_cpu_online(cpu) != 1) { perror("cpufreq_cpu_exists"); fprintf(stderr, "error: cpu %u does not exist\n", cpu); return -1; diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c index 1b5da0066ebf..5b3205f16217 100644 --- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c +++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c @@ -130,15 +130,18 @@ static struct cpuidle_monitor *cpuidle_register(void) { int num; char *tmp; + int this_cpu; + + this_cpu = sched_getcpu(); /* Assume idle state count is the same for all CPUs */ - cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(0); + cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(this_cpu); if (cpuidle_sysfs_monitor.hw_states_num <= 0) return NULL; for (num = 0; num < cpuidle_sysfs_monitor.hw_states_num; num++) { - tmp = cpuidle_state_name(0, num); + tmp = cpuidle_state_name(this_cpu, num); if (tmp == NULL) continue; @@ -146,7 +149,7 @@ static struct cpuidle_monitor *cpuidle_register(void) strncpy(cpuidle_cstates[num].name, tmp, CSTATE_NAME_LEN - 1); free(tmp); - tmp = cpuidle_state_desc(0, num); + tmp = cpuidle_state_desc(this_cpu, num); if (tmp == NULL) continue; strncpy(cpuidle_cstates[num].desc, tmp, CSTATE_DESC_LEN - 1); diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c index a6524ff27de4..a67c106d73f5 100644 --- a/virt/kvm/arm/arm.c +++ b/virt/kvm/arm/arm.c @@ -615,7 +615,6 @@ static void check_vcpu_requests(struct kvm_vcpu *vcpu) int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) { int ret; - sigset_t sigsaved; if (unlikely(!kvm_vcpu_initialized(vcpu))) return -ENOEXEC; @@ -633,8 +632,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) if (run->immediate_exit) return -EINTR; - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); + kvm_sigset_activate(vcpu); ret = 1; run->exit_reason = KVM_EXIT_UNKNOWN; @@ -769,8 +767,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) kvm_pmu_update_run(vcpu); } - if (vcpu->sigset_active) - sigprocmask(SIG_SETMASK, &sigsaved, NULL); + kvm_sigset_deactivate(vcpu); + return ret; } diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index f2ac53ab8243..a334399fafec 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -188,7 +188,7 @@ irqfd_wakeup(wait_queue_entry_t *wait, unsigned mode, int sync, void *key) { struct kvm_kernel_irqfd *irqfd = container_of(wait, struct kvm_kernel_irqfd, wait); - unsigned long flags = (unsigned long)key; + __poll_t flags = key_to_poll(key); struct kvm_kernel_irq_routing_entry irq; struct kvm *kvm = irqfd->kvm; unsigned seq; @@ -287,7 +287,7 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args) struct fd f; struct eventfd_ctx *eventfd = NULL, *resamplefd = NULL; int ret; - unsigned int events; + __poll_t events; int idx; if (!kvm_arch_intc_initialized(kvm)) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index f169ecc4f2e8..7b4d46432c85 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1314,17 +1314,6 @@ unsigned long kvm_vcpu_gfn_to_hva_prot(struct kvm_vcpu *vcpu, gfn_t gfn, bool *w return gfn_to_hva_memslot_prot(slot, gfn, writable); } -static int get_user_page_nowait(unsigned long start, int write, - struct page **page) -{ - int flags = FOLL_NOWAIT | FOLL_HWPOISON; - - if (write) - flags |= FOLL_WRITE; - - return get_user_pages(start, 1, flags, page, NULL); -} - static inline int check_user_page_hwpoison(unsigned long addr) { int rc, flags = FOLL_HWPOISON | FOLL_WRITE; @@ -1373,7 +1362,8 @@ static bool hva_to_pfn_fast(unsigned long addr, bool atomic, bool *async, static int hva_to_pfn_slow(unsigned long addr, bool *async, bool write_fault, bool *writable, kvm_pfn_t *pfn) { - struct page *page[1]; + unsigned int flags = FOLL_HWPOISON; + struct page *page; int npages = 0; might_sleep(); @@ -1381,35 +1371,26 @@ static int hva_to_pfn_slow(unsigned long addr, bool *async, bool write_fault, if (writable) *writable = write_fault; - if (async) { - down_read(¤t->mm->mmap_sem); - npages = get_user_page_nowait(addr, write_fault, page); - up_read(¤t->mm->mmap_sem); - } else { - unsigned int flags = FOLL_HWPOISON; - - if (write_fault) - flags |= FOLL_WRITE; + if (write_fault) + flags |= FOLL_WRITE; + if (async) + flags |= FOLL_NOWAIT; - npages = get_user_pages_unlocked(addr, 1, page, flags); - } + npages = get_user_pages_unlocked(addr, 1, &page, flags); if (npages != 1) return npages; /* map read fault as writable if possible */ if (unlikely(!write_fault) && writable) { - struct page *wpage[1]; + struct page *wpage; - npages = __get_user_pages_fast(addr, 1, 1, wpage); - if (npages == 1) { + if (__get_user_pages_fast(addr, 1, 1, &wpage) == 1) { *writable = true; - put_page(page[0]); - page[0] = wpage[0]; + put_page(page); + page = wpage; } - - npages = 1; } - *pfn = page_to_pfn(page[0]); + *pfn = page_to_pfn(page); return npages; } @@ -2065,6 +2046,29 @@ void kvm_vcpu_mark_page_dirty(struct kvm_vcpu *vcpu, gfn_t gfn) } EXPORT_SYMBOL_GPL(kvm_vcpu_mark_page_dirty); +void kvm_sigset_activate(struct kvm_vcpu *vcpu) +{ + if (!vcpu->sigset_active) + return; + + /* + * This does a lockless modification of ->real_blocked, which is fine + * because, only current can change ->real_blocked and all readers of + * ->real_blocked don't care as long ->real_blocked is always a subset + * of ->blocked. + */ + sigprocmask(SIG_SETMASK, &vcpu->sigset, ¤t->real_blocked); +} + +void kvm_sigset_deactivate(struct kvm_vcpu *vcpu) +{ + if (!vcpu->sigset_active) + return; + + sigprocmask(SIG_SETMASK, ¤t->real_blocked, NULL); + sigemptyset(¤t->real_blocked); +} + static void grow_halt_poll_ns(struct kvm_vcpu *vcpu) { unsigned int old, val, grow; |