diff options
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/bitops.h | 45 | ||||
| -rw-r--r-- | arch/s390/include/asm/delay.h | 8 | ||||
| -rw-r--r-- | arch/s390/include/asm/irq.h | 8 | ||||
| -rw-r--r-- | arch/s390/include/asm/pgalloc.h | 8 | ||||
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 55 | ||||
| -rw-r--r-- | arch/s390/include/asm/qdio.h | 119 | ||||
| -rw-r--r-- | arch/s390/include/asm/s390_ext.h | 17 | ||||
| -rw-r--r-- | arch/s390/include/asm/suspend.h | 10 | ||||
| -rw-r--r-- | arch/s390/include/asm/tlb.h | 94 | ||||
| -rw-r--r-- | arch/s390/include/asm/topology.h | 4 | ||||
| -rw-r--r-- | arch/s390/include/asm/uaccess.h | 11 | ||||
| -rw-r--r-- | arch/s390/include/asm/unistd.h | 3 |
12 files changed, 141 insertions, 241 deletions
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h index e1c8f3a49884..667c6e9f6a34 100644 --- a/arch/s390/include/asm/bitops.h +++ b/arch/s390/include/asm/bitops.h @@ -621,6 +621,7 @@ static inline unsigned long find_first_zero_bit(const unsigned long *addr, bits = __ffz_word(bytes*8, __load_ulong_be(addr, bytes)); return (bits < size) ? bits : size; } +#define find_first_zero_bit find_first_zero_bit /** * find_first_bit - find the first set bit in a memory region @@ -641,6 +642,7 @@ static inline unsigned long find_first_bit(const unsigned long * addr, bits = __ffs_word(bytes*8, __load_ulong_be(addr, bytes)); return (bits < size) ? bits : size; } +#define find_first_bit find_first_bit /** * find_next_zero_bit - find the first zero bit in a memory region @@ -677,6 +679,7 @@ static inline int find_next_zero_bit (const unsigned long * addr, } return offset + find_first_zero_bit(p, size); } +#define find_next_zero_bit find_next_zero_bit /** * find_next_bit - find the first set bit in a memory region @@ -713,6 +716,7 @@ static inline int find_next_bit (const unsigned long * addr, } return offset + find_first_bit(p, size); } +#define find_next_bit find_next_bit /* * Every architecture must define this function. It's the fastest @@ -742,41 +746,6 @@ static inline int sched_find_first_bit(unsigned long *b) * 23 22 21 20 19 18 17 16 31 30 29 28 27 26 25 24 */ -static inline void __set_bit_le(unsigned long nr, void *addr) -{ - __set_bit(nr ^ (__BITOPS_WORDSIZE - 8), addr); -} - -static inline void __clear_bit_le(unsigned long nr, void *addr) -{ - __clear_bit(nr ^ (__BITOPS_WORDSIZE - 8), addr); -} - -static inline int __test_and_set_bit_le(unsigned long nr, void *addr) -{ - return __test_and_set_bit(nr ^ (__BITOPS_WORDSIZE - 8), addr); -} - -static inline int test_and_set_bit_le(unsigned long nr, void *addr) -{ - return test_and_set_bit(nr ^ (__BITOPS_WORDSIZE - 8), addr); -} - -static inline int __test_and_clear_bit_le(unsigned long nr, void *addr) -{ - return __test_and_clear_bit(nr ^ (__BITOPS_WORDSIZE - 8), addr); -} - -static inline int test_and_clear_bit_le(unsigned long nr, void *addr) -{ - return test_and_clear_bit(nr ^ (__BITOPS_WORDSIZE - 8), addr); -} - -static inline int test_bit_le(unsigned long nr, const void *addr) -{ - return test_bit(nr ^ (__BITOPS_WORDSIZE - 8), addr); -} - static inline int find_first_zero_bit_le(void *vaddr, unsigned int size) { unsigned long bytes, bits; @@ -787,6 +756,7 @@ static inline int find_first_zero_bit_le(void *vaddr, unsigned int size) bits = __ffz_word(bytes*8, __load_ulong_le(vaddr, bytes)); return (bits < size) ? bits : size; } +#define find_first_zero_bit_le find_first_zero_bit_le static inline int find_next_zero_bit_le(void *vaddr, unsigned long size, unsigned long offset) @@ -816,6 +786,7 @@ static inline int find_next_zero_bit_le(void *vaddr, unsigned long size, } return offset + find_first_zero_bit_le(p, size); } +#define find_next_zero_bit_le find_next_zero_bit_le static inline unsigned long find_first_bit_le(void *vaddr, unsigned long size) { @@ -827,6 +798,7 @@ static inline unsigned long find_first_bit_le(void *vaddr, unsigned long size) bits = __ffs_word(bytes*8, __load_ulong_le(vaddr, bytes)); return (bits < size) ? bits : size; } +#define find_first_bit_le find_first_bit_le static inline int find_next_bit_le(void *vaddr, unsigned long size, unsigned long offset) @@ -856,6 +828,9 @@ static inline int find_next_bit_le(void *vaddr, unsigned long size, } return offset + find_first_bit_le(p, size); } +#define find_next_bit_le find_next_bit_le + +#include <asm-generic/bitops/le.h> #define ext2_set_bit_atomic(lock, nr, addr) \ test_and_set_bit_le(nr, addr) diff --git a/arch/s390/include/asm/delay.h b/arch/s390/include/asm/delay.h index 8a096b83f51f..0e3b35f96be1 100644 --- a/arch/s390/include/asm/delay.h +++ b/arch/s390/include/asm/delay.h @@ -14,10 +14,12 @@ #ifndef _S390_DELAY_H #define _S390_DELAY_H -extern void __udelay(unsigned long long usecs); -extern void udelay_simple(unsigned long long usecs); -extern void __delay(unsigned long loops); +void __ndelay(unsigned long long nsecs); +void __udelay(unsigned long long usecs); +void udelay_simple(unsigned long long usecs); +void __delay(unsigned long loops); +#define ndelay(n) __ndelay((unsigned long long) (n)) #define udelay(n) __udelay((unsigned long long) (n)) #define mdelay(n) __udelay((unsigned long long) (n) * 1000) diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h index 1544b90bd6d6..ba7b01c726a3 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -2,6 +2,7 @@ #define _ASM_IRQ_H #include <linux/hardirq.h> +#include <linux/types.h> enum interruption_class { EXTERNAL_INTERRUPT, @@ -31,4 +32,11 @@ enum interruption_class { NR_IRQS, }; +typedef void (*ext_int_handler_t)(unsigned int, unsigned int, unsigned long); + +int register_external_interrupt(u16 code, ext_int_handler_t handler); +int unregister_external_interrupt(u16 code, ext_int_handler_t handler); +void service_subclass_irq_register(void); +void service_subclass_irq_unregister(void); + #endif /* _ASM_IRQ_H */ diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h index f6314af3b354..38e71ebcd3c2 100644 --- a/arch/s390/include/asm/pgalloc.h +++ b/arch/s390/include/asm/pgalloc.h @@ -17,15 +17,15 @@ #include <linux/gfp.h> #include <linux/mm.h> -#define check_pgt_cache() do {} while (0) - unsigned long *crst_table_alloc(struct mm_struct *); void crst_table_free(struct mm_struct *, unsigned long *); -void crst_table_free_rcu(struct mm_struct *, unsigned long *); unsigned long *page_table_alloc(struct mm_struct *); void page_table_free(struct mm_struct *, unsigned long *); -void page_table_free_rcu(struct mm_struct *, unsigned long *); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE +void page_table_free_rcu(struct mmu_gather *, unsigned long *); +void __tlb_remove_table(void *_table); +#endif static inline void clear_table(unsigned long *s, unsigned long val, size_t n) { diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index c4773a2ef3d3..801fbe1d837d 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -293,19 +293,6 @@ extern unsigned long VMALLOC_START; * swap pte is 1011 and 0001, 0011, 0101, 0111 are invalid. */ -/* Page status table bits for virtualization */ -#define RCP_ACC_BITS 0xf000000000000000UL -#define RCP_FP_BIT 0x0800000000000000UL -#define RCP_PCL_BIT 0x0080000000000000UL -#define RCP_HR_BIT 0x0040000000000000UL -#define RCP_HC_BIT 0x0020000000000000UL -#define RCP_GR_BIT 0x0004000000000000UL -#define RCP_GC_BIT 0x0002000000000000UL - -/* User dirty / referenced bit for KVM's migration feature */ -#define KVM_UR_BIT 0x0000800000000000UL -#define KVM_UC_BIT 0x0000400000000000UL - #ifndef __s390x__ /* Bits in the segment table address-space-control-element */ @@ -325,6 +312,19 @@ extern unsigned long VMALLOC_START; #define _SEGMENT_ENTRY (_SEGMENT_ENTRY_PTL) #define _SEGMENT_ENTRY_EMPTY (_SEGMENT_ENTRY_INV) +/* Page status table bits for virtualization */ +#define RCP_ACC_BITS 0xf0000000UL +#define RCP_FP_BIT 0x08000000UL +#define RCP_PCL_BIT 0x00800000UL +#define RCP_HR_BIT 0x00400000UL +#define RCP_HC_BIT 0x00200000UL +#define RCP_GR_BIT 0x00040000UL +#define RCP_GC_BIT 0x00020000UL + +/* User dirty / referenced bit for KVM's migration feature */ +#define KVM_UR_BIT 0x00008000UL +#define KVM_UC_BIT 0x00004000UL + #else /* __s390x__ */ /* Bits in the segment/region table address-space-control-element */ @@ -367,6 +367,19 @@ extern unsigned long VMALLOC_START; #define _SEGMENT_ENTRY_LARGE 0x400 /* STE-format control, large page */ #define _SEGMENT_ENTRY_CO 0x100 /* change-recording override */ +/* Page status table bits for virtualization */ +#define RCP_ACC_BITS 0xf000000000000000UL +#define RCP_FP_BIT 0x0800000000000000UL +#define RCP_PCL_BIT 0x0080000000000000UL +#define RCP_HR_BIT 0x0040000000000000UL +#define RCP_HC_BIT 0x0020000000000000UL +#define RCP_GR_BIT 0x0004000000000000UL +#define RCP_GC_BIT 0x0002000000000000UL + +/* User dirty / referenced bit for KVM's migration feature */ +#define KVM_UR_BIT 0x0000800000000000UL +#define KVM_UC_BIT 0x0000400000000000UL + #endif /* __s390x__ */ /* @@ -577,16 +590,16 @@ static inline void pgste_set_unlock(pte_t *ptep, pgste_t pgste) static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste) { #ifdef CONFIG_PGSTE - unsigned long pfn, bits; + unsigned long address, bits; unsigned char skey; - pfn = pte_val(*ptep) >> PAGE_SHIFT; - skey = page_get_storage_key(pfn); + address = pte_val(*ptep) & PAGE_MASK; + skey = page_get_storage_key(address); bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED); /* Clear page changed & referenced bit in the storage key */ if (bits) { skey ^= bits; - page_set_storage_key(pfn, skey, 1); + page_set_storage_key(address, skey, 1); } /* Transfer page changed & referenced bit to guest bits in pgste */ pgste_val(pgste) |= bits << 48; /* RCP_GR_BIT & RCP_GC_BIT */ @@ -628,16 +641,16 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste) { #ifdef CONFIG_PGSTE - unsigned long pfn; + unsigned long address; unsigned long okey, nkey; - pfn = pte_val(*ptep) >> PAGE_SHIFT; - okey = nkey = page_get_storage_key(pfn); + address = pte_val(*ptep) & PAGE_MASK; + okey = nkey = page_get_storage_key(address); nkey &= ~(_PAGE_ACC_BITS | _PAGE_FP_BIT); /* Set page access key and fetch protection bit from pgste */ nkey |= (pgste_val(pgste) & (RCP_ACC_BITS | RCP_FP_BIT)) >> 56; if (okey != nkey) - page_set_storage_key(pfn, nkey, 1); + page_set_storage_key(address, nkey, 1); #endif } diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 350e7ee5952d..15c97625df8d 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -139,110 +139,47 @@ struct slib { struct slibe slibe[QDIO_MAX_BUFFERS_PER_Q]; } __attribute__ ((packed, aligned(2048))); -/** - * struct sbal_flags - storage block address list flags - * @last: last entry - * @cont: contiguous storage - * @frag: fragmentation - */ -struct sbal_flags { - u8 : 1; - u8 last : 1; - u8 cont : 1; - u8 : 1; - u8 frag : 2; - u8 : 2; -} __attribute__ ((packed)); - -#define SBAL_FLAGS_FIRST_FRAG 0x04000000UL -#define SBAL_FLAGS_MIDDLE_FRAG 0x08000000UL -#define SBAL_FLAGS_LAST_FRAG 0x0c000000UL -#define SBAL_FLAGS_LAST_ENTRY 0x40000000UL -#define SBAL_FLAGS_CONTIGUOUS 0x20000000UL +#define SBAL_EFLAGS_LAST_ENTRY 0x40 +#define SBAL_EFLAGS_CONTIGUOUS 0x20 +#define SBAL_EFLAGS_FIRST_FRAG 0x04 +#define SBAL_EFLAGS_MIDDLE_FRAG 0x08 +#define SBAL_EFLAGS_LAST_FRAG 0x0c +#define SBAL_EFLAGS_MASK 0x6f -#define SBAL_FLAGS0_DATA_CONTINUATION 0x20UL +#define SBAL_SFLAGS0_PCI_REQ 0x40 +#define SBAL_SFLAGS0_DATA_CONTINUATION 0x20 /* Awesome OpenFCP extensions */ -#define SBAL_FLAGS0_TYPE_STATUS 0x00UL -#define SBAL_FLAGS0_TYPE_WRITE 0x08UL -#define SBAL_FLAGS0_TYPE_READ 0x10UL -#define SBAL_FLAGS0_TYPE_WRITE_READ 0x18UL -#define SBAL_FLAGS0_MORE_SBALS 0x04UL -#define SBAL_FLAGS0_COMMAND 0x02UL -#define SBAL_FLAGS0_LAST_SBAL 0x00UL -#define SBAL_FLAGS0_ONLY_SBAL SBAL_FLAGS0_COMMAND -#define SBAL_FLAGS0_MIDDLE_SBAL SBAL_FLAGS0_MORE_SBALS -#define SBAL_FLAGS0_FIRST_SBAL SBAL_FLAGS0_MORE_SBALS | SBAL_FLAGS0_COMMAND -#define SBAL_FLAGS0_PCI 0x40 - -/** - * struct sbal_sbalf_0 - sbal flags for sbale 0 - * @pci: PCI indicator - * @cont: data continuation - * @sbtype: storage-block type (FCP) - */ -struct sbal_sbalf_0 { - u8 : 1; - u8 pci : 1; - u8 cont : 1; - u8 sbtype : 2; - u8 : 3; -} __attribute__ ((packed)); - -/** - * struct sbal_sbalf_1 - sbal flags for sbale 1 - * @key: storage key - */ -struct sbal_sbalf_1 { - u8 : 4; - u8 key : 4; -} __attribute__ ((packed)); - -/** - * struct sbal_sbalf_14 - sbal flags for sbale 14 - * @erridx: error index - */ -struct sbal_sbalf_14 { - u8 : 4; - u8 erridx : 4; -} __attribute__ ((packed)); - -/** - * struct sbal_sbalf_15 - sbal flags for sbale 15 - * @reason: reason for error state - */ -struct sbal_sbalf_15 { - u8 reason; -} __attribute__ ((packed)); - -/** - * union sbal_sbalf - storage block address list flags - * @i0: sbalf0 - * @i1: sbalf1 - * @i14: sbalf14 - * @i15: sblaf15 - * @value: raw value - */ -union sbal_sbalf { - struct sbal_sbalf_0 i0; - struct sbal_sbalf_1 i1; - struct sbal_sbalf_14 i14; - struct sbal_sbalf_15 i15; - u8 value; -}; +#define SBAL_SFLAGS0_TYPE_STATUS 0x00 +#define SBAL_SFLAGS0_TYPE_WRITE 0x08 +#define SBAL_SFLAGS0_TYPE_READ 0x10 +#define SBAL_SFLAGS0_TYPE_WRITE_READ 0x18 +#define SBAL_SFLAGS0_MORE_SBALS 0x04 +#define SBAL_SFLAGS0_COMMAND 0x02 +#define SBAL_SFLAGS0_LAST_SBAL 0x00 +#define SBAL_SFLAGS0_ONLY_SBAL SBAL_SFLAGS0_COMMAND +#define SBAL_SFLAGS0_MIDDLE_SBAL SBAL_SFLAGS0_MORE_SBALS +#define SBAL_SFLAGS0_FIRST_SBAL (SBAL_SFLAGS0_MORE_SBALS | SBAL_SFLAGS0_COMMAND) /** * struct qdio_buffer_element - SBAL entry - * @flags: flags + * @eflags: SBAL entry flags + * @scount: SBAL count + * @sflags: whole SBAL flags * @length: length * @addr: address */ struct qdio_buffer_element { - u32 flags; + u8 eflags; + /* private: */ + u8 res1; + /* public: */ + u8 scount; + u8 sflags; u32 length; #ifdef CONFIG_32BIT /* private: */ - void *reserved; + void *res2; /* public: */ #endif void *addr; diff --git a/arch/s390/include/asm/s390_ext.h b/arch/s390/include/asm/s390_ext.h deleted file mode 100644 index 080876d5f196..000000000000 --- a/arch/s390/include/asm/s390_ext.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Copyright IBM Corp. 1999,2010 - * Author(s): Holger Smolinski <Holger.Smolinski@de.ibm.com>, - * Martin Schwidefsky <schwidefsky@de.ibm.com>, - */ - -#ifndef _S390_EXTINT_H -#define _S390_EXTINT_H - -#include <linux/types.h> - -typedef void (*ext_int_handler_t)(unsigned int, unsigned int, unsigned long); - -int register_external_interrupt(__u16 code, ext_int_handler_t handler); -int unregister_external_interrupt(__u16 code, ext_int_handler_t handler); - -#endif /* _S390_EXTINT_H */ diff --git a/arch/s390/include/asm/suspend.h b/arch/s390/include/asm/suspend.h deleted file mode 100644 index dc75c616eafe..000000000000 --- a/arch/s390/include/asm/suspend.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __ASM_S390_SUSPEND_H -#define __ASM_S390_SUSPEND_H - -static inline int arch_prepare_suspend(void) -{ - return 0; -} - -#endif - diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index 77eee5477a52..c687a2c83462 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -26,67 +26,60 @@ #include <linux/swap.h> #include <asm/processor.h> #include <asm/pgalloc.h> -#include <asm/smp.h> #include <asm/tlbflush.h> struct mmu_gather { struct mm_struct *mm; +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + struct mmu_table_batch *batch; +#endif unsigned int fullmm; - unsigned int nr_ptes; - unsigned int nr_pxds; - unsigned int max; - void **array; - void *local[8]; + unsigned int need_flush; }; -static inline void __tlb_alloc_page(struct mmu_gather *tlb) -{ - unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE +struct mmu_table_batch { + struct rcu_head rcu; + unsigned int nr; + void *tables[0]; +}; - if (addr) { - tlb->array = (void *) addr; - tlb->max = PAGE_SIZE / sizeof(void *); - } -} +#define MAX_TABLE_BATCH \ + ((PAGE_SIZE - sizeof(struct mmu_table_batch)) / sizeof(void *)) + +extern void tlb_table_flush(struct mmu_gather *tlb); +extern void tlb_remove_table(struct mmu_gather *tlb, void *table); +#endif static inline void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) { tlb->mm = mm; - tlb->max = ARRAY_SIZE(tlb->local); - tlb->array = tlb->local; tlb->fullmm = full_mm_flush; + tlb->need_flush = 0; +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + tlb->batch = NULL; +#endif if (tlb->fullmm) __tlb_flush_mm(mm); - else - __tlb_alloc_page(tlb); - tlb->nr_ptes = 0; - tlb->nr_pxds = tlb->max; } static inline void tlb_flush_mmu(struct mmu_gather *tlb) { - if (!tlb->fullmm && (tlb->nr_ptes > 0 || tlb->nr_pxds < tlb->max)) - __tlb_flush_mm(tlb->mm); - while (tlb->nr_ptes > 0) - page_table_free_rcu(tlb->mm, tlb->array[--tlb->nr_ptes]); - while (tlb->nr_pxds < tlb->max) - crst_table_free_rcu(tlb->mm, tlb->array[tlb->nr_pxds++]); + if (!tlb->need_flush) + return; + tlb->need_flush = 0; + __tlb_flush_mm(tlb->mm); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + tlb_table_flush(tlb); +#endif } static inline void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) { tlb_flush_mmu(tlb); - - rcu_table_freelist_finish(); - - /* keep the page table cache within bounds */ - check_pgt_cache(); - - if (tlb->array != tlb->local) - free_pages((unsigned long) tlb->array, 0); } /* @@ -112,12 +105,11 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long address) { - if (!tlb->fullmm) { - tlb->array[tlb->nr_ptes++] = pte; - if (tlb->nr_ptes >= tlb->nr_pxds) - tlb_flush_mmu(tlb); - } else - page_table_free(tlb->mm, (unsigned long *) pte); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + if (!tlb->fullmm) + return page_table_free_rcu(tlb, (unsigned long *) pte); +#endif + page_table_free(tlb->mm, (unsigned long *) pte); } /* @@ -133,12 +125,11 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, #ifdef __s390x__ if (tlb->mm->context.asce_limit <= (1UL << 31)) return; - if (!tlb->fullmm) { - tlb->array[--tlb->nr_pxds] = pmd; - if (tlb->nr_ptes >= tlb->nr_pxds) - tlb_flush_mmu(tlb); - } else - crst_table_free(tlb->mm, (unsigned long *) pmd); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + if (!tlb->fullmm) + return tlb_remove_table(tlb, pmd); +#endif + crst_table_free(tlb->mm, (unsigned long *) pmd); #endif } @@ -155,12 +146,11 @@ static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, #ifdef __s390x__ if (tlb->mm->context.asce_limit <= (1UL << 42)) return; - if (!tlb->fullmm) { - tlb->array[--tlb->nr_pxds] = pud; - if (tlb->nr_ptes >= tlb->nr_pxds) - tlb_flush_mmu(tlb); - } else - crst_table_free(tlb->mm, (unsigned long *) pud); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + if (!tlb->fullmm) + return tlb_remove_table(tlb, pud); +#endif + crst_table_free(tlb->mm, (unsigned long *) pud); #endif } diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index c5338834ddbd..005d77d8ae2a 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -7,7 +7,7 @@ extern unsigned char cpu_core_id[NR_CPUS]; extern cpumask_t cpu_core_map[NR_CPUS]; -static inline const struct cpumask *cpu_coregroup_mask(unsigned int cpu) +static inline const struct cpumask *cpu_coregroup_mask(int cpu) { return &cpu_core_map[cpu]; } @@ -21,7 +21,7 @@ static inline const struct cpumask *cpu_coregroup_mask(unsigned int cpu) extern unsigned char cpu_book_id[NR_CPUS]; extern cpumask_t cpu_book_map[NR_CPUS]; -static inline const struct cpumask *cpu_book_mask(unsigned int cpu) +static inline const struct cpumask *cpu_book_mask(int cpu) { return &cpu_book_map[cpu]; } diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 2d9ea11f919a..2b23885e81e9 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -49,12 +49,13 @@ #define segment_eq(a,b) ((a).ar4 == (b).ar4) +#define __access_ok(addr, size) \ +({ \ + __chk_user_ptr(addr); \ + 1; \ +}) -static inline int __access_ok(const void __user *addr, unsigned long size) -{ - return 1; -} -#define access_ok(type,addr,size) __access_ok(addr,size) +#define access_ok(type, addr, size) __access_ok(addr, size) /* * The exception table consists of pairs of addresses: the first is the diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index 9208e69245a0..404bdb9671b4 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -276,7 +276,8 @@ #define __NR_open_by_handle_at 336 #define __NR_clock_adjtime 337 #define __NR_syncfs 338 -#define NR_syscalls 339 +#define __NR_setns 339 +#define NR_syscalls 340 /* * There are some system calls that are not present on 64 bit, some |