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authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-11 19:23:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-11 19:23:16 -0700
commitd69ad12c786f0a4593c48c0658043aa4a5116b09 (patch)
treeae64a0f0461299a30c1e035abfdb3c0c9c21e63e /arch
parent73f0d1d7b4abb4a46bae1a0d8caf66e23d1138d0 (diff)
parent103bf75fc928d16185feb216bda525b5aaca0b18 (diff)
Merge tag 'x86-build-2024-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Ingo Molnar: - Reduce <asm/bootparam.h> dependencies - Simplify <asm/efi.h> - Unify *_setup_data definitions into <asm/setup_data.h> - Reduce the size of <asm/bootparam.h> * tag 'x86-build-2024-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Do not include <asm/bootparam.h> in several files x86/efi: Implement arch_ima_efi_boot_mode() in source file x86/setup: Move internal setup_data structures into setup_data.h x86/setup: Move UAPI setup structures into setup_data.h
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/Makefile3
-rw-r--r--arch/x86/boot/compressed/acpi.c2
-rw-r--r--arch/x86/boot/compressed/cmdline.c2
-rw-r--r--arch/x86/boot/compressed/efi.c2
-rw-r--r--arch/x86/boot/compressed/efi.h9
-rw-r--r--arch/x86/boot/compressed/pgtable_64.c1
-rw-r--r--arch/x86/boot/compressed/sev.c1
-rw-r--r--arch/x86/include/asm/efi.h14
-rw-r--r--arch/x86/include/asm/kexec.h1
-rw-r--r--arch/x86/include/asm/pci.h13
-rw-r--r--arch/x86/include/asm/setup_data.h32
-rw-r--r--arch/x86/include/asm/sev.h3
-rw-r--r--arch/x86/include/asm/x86_init.h2
-rw-r--r--arch/x86/include/uapi/asm/bootparam.h72
-rw-r--r--arch/x86/include/uapi/asm/setup_data.h83
-rw-r--r--arch/x86/kernel/crash.c1
-rw-r--r--arch/x86/kernel/sev-shared.c2
-rw-r--r--arch/x86/platform/efi/efi.c5
-rw-r--r--arch/x86/platform/pvh/enlighten.c1
-rw-r--r--arch/x86/xen/enlighten_pvh.c1
-rw-r--r--arch/x86/xen/vga.c1
21 files changed, 142 insertions, 109 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index da8f3caf2781..15a5f4f2ff0a 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -53,6 +53,9 @@ REALMODE_CFLAGS += -fno-stack-protector
REALMODE_CFLAGS += -Wno-address-of-packed-member
REALMODE_CFLAGS += $(cc_stack_align4)
REALMODE_CFLAGS += $(CLANG_FLAGS)
+ifdef CONFIG_CC_IS_CLANG
+REALMODE_CFLAGS += -Wno-gnu
+endif
export REALMODE_CFLAGS
# BITS is used as extension for files which are available in a 32 bit
diff --git a/arch/x86/boot/compressed/acpi.c b/arch/x86/boot/compressed/acpi.c
index 18d15d1ce87d..f196b1d1ddf8 100644
--- a/arch/x86/boot/compressed/acpi.c
+++ b/arch/x86/boot/compressed/acpi.c
@@ -5,6 +5,8 @@
#include "../string.h"
#include "efi.h"
+#include <asm/bootparam.h>
+
#include <linux/numa.h>
/*
diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c
index c1bb180973ea..e162d7f59cc5 100644
--- a/arch/x86/boot/compressed/cmdline.c
+++ b/arch/x86/boot/compressed/cmdline.c
@@ -1,6 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
#include "misc.h"
+#include <asm/bootparam.h>
+
static unsigned long fs;
static inline void set_fs(unsigned long seg)
{
diff --git a/arch/x86/boot/compressed/efi.c b/arch/x86/boot/compressed/efi.c
index 6edd034b0b30..f2e50f9758e6 100644
--- a/arch/x86/boot/compressed/efi.c
+++ b/arch/x86/boot/compressed/efi.c
@@ -7,6 +7,8 @@
#include "misc.h"
+#include <asm/bootparam.h>
+
/**
* efi_get_type - Given a pointer to boot_params, determine the type of EFI environment.
*
diff --git a/arch/x86/boot/compressed/efi.h b/arch/x86/boot/compressed/efi.h
index 866c0af8b5b9..b22300970f97 100644
--- a/arch/x86/boot/compressed/efi.h
+++ b/arch/x86/boot/compressed/efi.h
@@ -97,15 +97,6 @@ typedef struct {
u32 tables;
} efi_system_table_32_t;
-/* kexec external ABI */
-struct efi_setup_data {
- u64 fw_vendor;
- u64 __unused;
- u64 tables;
- u64 smbios;
- u64 reserved[8];
-};
-
struct efi_unaccepted_memory {
u32 version;
u32 unit_size;
diff --git a/arch/x86/boot/compressed/pgtable_64.c b/arch/x86/boot/compressed/pgtable_64.c
index 51f957b24ba7..c882e1f67af0 100644
--- a/arch/x86/boot/compressed/pgtable_64.c
+++ b/arch/x86/boot/compressed/pgtable_64.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include "misc.h"
+#include <asm/bootparam.h>
#include <asm/e820/types.h>
#include <asm/processor.h>
#include "pgtable.h"
diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c
index 9db630238034..97561eabfbef 100644
--- a/arch/x86/boot/compressed/sev.c
+++ b/arch/x86/boot/compressed/sev.c
@@ -12,6 +12,7 @@
*/
#include "misc.h"
+#include <asm/bootparam.h>
#include <asm/pgtable_types.h>
#include <asm/sev.h>
#include <asm/trapnr.h>
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index c4555b269a1b..1dc600fa3ba5 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -143,15 +143,6 @@ extern void efi_free_boot_services(void);
void arch_efi_call_virt_setup(void);
void arch_efi_call_virt_teardown(void);
-/* kexec external ABI */
-struct efi_setup_data {
- u64 fw_vendor;
- u64 __unused;
- u64 tables;
- u64 smbios;
- u64 reserved[8];
-};
-
extern u64 efi_setup;
#ifdef CONFIG_EFI
@@ -418,8 +409,9 @@ extern int __init efi_memmap_split_count(efi_memory_desc_t *md,
extern void __init efi_memmap_insert(struct efi_memory_map *old_memmap,
void *buf, struct efi_mem_range *mem);
-#define arch_ima_efi_boot_mode \
- ({ extern struct boot_params boot_params; boot_params.secure_boot; })
+extern enum efi_secureboot_mode __x86_ima_efi_boot_mode(void);
+
+#define arch_ima_efi_boot_mode __x86_ima_efi_boot_mode()
#ifdef CONFIG_EFI_RUNTIME_MAP
int efi_get_runtime_map_size(void);
diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h
index c9f6a6c5de3c..91ca9a9ee3a2 100644
--- a/arch/x86/include/asm/kexec.h
+++ b/arch/x86/include/asm/kexec.h
@@ -25,7 +25,6 @@
#include <asm/page.h>
#include <asm/ptrace.h>
-#include <asm/bootparam.h>
struct kimage;
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index b40c462b4af3..b3ab80a03365 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -10,7 +10,6 @@
#include <linux/numa.h>
#include <asm/io.h>
#include <asm/memtype.h>
-#include <asm/x86_init.h>
struct pci_sysdata {
int domain; /* PCI domain */
@@ -124,16 +123,4 @@ cpumask_of_pcibus(const struct pci_bus *bus)
}
#endif
-struct pci_setup_rom {
- struct setup_data data;
- uint16_t vendor;
- uint16_t devid;
- uint64_t pcilen;
- unsigned long segment;
- unsigned long bus;
- unsigned long device;
- unsigned long function;
- uint8_t romdata[];
-};
-
#endif /* _ASM_X86_PCI_H */
diff --git a/arch/x86/include/asm/setup_data.h b/arch/x86/include/asm/setup_data.h
new file mode 100644
index 000000000000..77c51111a893
--- /dev/null
+++ b/arch/x86/include/asm/setup_data.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_SETUP_DATA_H
+#define _ASM_X86_SETUP_DATA_H
+
+#include <uapi/asm/setup_data.h>
+
+#ifndef __ASSEMBLY__
+
+struct pci_setup_rom {
+ struct setup_data data;
+ uint16_t vendor;
+ uint16_t devid;
+ uint64_t pcilen;
+ unsigned long segment;
+ unsigned long bus;
+ unsigned long device;
+ unsigned long function;
+ uint8_t romdata[];
+};
+
+/* kexec external ABI */
+struct efi_setup_data {
+ u64 fw_vendor;
+ u64 __unused;
+ u64 tables;
+ u64 smbios;
+ u64 reserved[8];
+};
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_X86_SETUP_DATA_H */
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h
index f000635d6061..10f9f1b259c3 100644
--- a/arch/x86/include/asm/sev.h
+++ b/arch/x86/include/asm/sev.h
@@ -13,7 +13,6 @@
#include <asm/insn.h>
#include <asm/sev-common.h>
-#include <asm/bootparam.h>
#include <asm/coco.h>
#define GHCB_PROTOCOL_MIN 1ULL
@@ -22,6 +21,8 @@
#define VMGEXIT() { asm volatile("rep; vmmcall\n\r"); }
+struct boot_params;
+
enum es_result {
ES_OK, /* All good */
ES_UNSUPPORTED, /* Requested operation not supported */
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 9ca624749176..b89b40f250e6 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -2,8 +2,6 @@
#ifndef _ASM_X86_PLATFORM_H
#define _ASM_X86_PLATFORM_H
-#include <asm/bootparam.h>
-
struct ghcb;
struct mpc_bus;
struct mpc_cpu;
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index 01d19fc22346..4a38e7917756 100644
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -2,21 +2,7 @@
#ifndef _ASM_X86_BOOTPARAM_H
#define _ASM_X86_BOOTPARAM_H
-/* setup_data/setup_indirect types */
-#define SETUP_NONE 0
-#define SETUP_E820_EXT 1
-#define SETUP_DTB 2
-#define SETUP_PCI 3
-#define SETUP_EFI 4
-#define SETUP_APPLE_PROPERTIES 5
-#define SETUP_JAILHOUSE 6
-#define SETUP_CC_BLOB 7
-#define SETUP_IMA 8
-#define SETUP_RNG_SEED 9
-#define SETUP_ENUM_MAX SETUP_RNG_SEED
-
-#define SETUP_INDIRECT (1<<31)
-#define SETUP_TYPE_MAX (SETUP_ENUM_MAX | SETUP_INDIRECT)
+#include <asm/setup_data.h>
/* ram_size flags */
#define RAMDISK_IMAGE_START_MASK 0x07FF
@@ -48,22 +34,6 @@
#include <asm/ist.h>
#include <video/edid.h>
-/* extensible setup data list node */
-struct setup_data {
- __u64 next;
- __u32 type;
- __u32 len;
- __u8 data[];
-};
-
-/* extensible setup indirect data node */
-struct setup_indirect {
- __u32 type;
- __u32 reserved; /* Reserved, must be set to zero. */
- __u64 len;
- __u64 addr;
-};
-
struct setup_header {
__u8 setup_sects;
__u16 root_flags;
@@ -137,50 +107,10 @@ struct efi_info {
#define E820_MAX_ENTRIES_ZEROPAGE 128
/*
- * The E820 memory region entry of the boot protocol ABI:
- */
-struct boot_e820_entry {
- __u64 addr;
- __u64 size;
- __u32 type;
-} __attribute__((packed));
-
-/*
* Smallest compatible version of jailhouse_setup_data required by this kernel.
*/
#define JAILHOUSE_SETUP_REQUIRED_VERSION 1
-/*
- * The boot loader is passing platform information via this Jailhouse-specific
- * setup data structure.
- */
-struct jailhouse_setup_data {
- struct {
- __u16 version;
- __u16 compatible_version;
- } __attribute__((packed)) hdr;
- struct {
- __u16 pm_timer_address;
- __u16 num_cpus;
- __u64 pci_mmconfig_base;
- __u32 tsc_khz;
- __u32 apic_khz;
- __u8 standard_ioapic;
- __u8 cpu_ids[255];
- } __attribute__((packed)) v1;
- struct {
- __u32 flags;
- } __attribute__((packed)) v2;
-} __attribute__((packed));
-
-/*
- * IMA buffer setup data information from the previous kernel during kexec
- */
-struct ima_setup_data {
- __u64 addr;
- __u64 size;
-} __attribute__((packed));
-
/* The so-called "zeropage" */
struct boot_params {
struct screen_info screen_info; /* 0x000 */
diff --git a/arch/x86/include/uapi/asm/setup_data.h b/arch/x86/include/uapi/asm/setup_data.h
new file mode 100644
index 000000000000..b111b0c18544
--- /dev/null
+++ b/arch/x86/include/uapi/asm/setup_data.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_ASM_X86_SETUP_DATA_H
+#define _UAPI_ASM_X86_SETUP_DATA_H
+
+/* setup_data/setup_indirect types */
+#define SETUP_NONE 0
+#define SETUP_E820_EXT 1
+#define SETUP_DTB 2
+#define SETUP_PCI 3
+#define SETUP_EFI 4
+#define SETUP_APPLE_PROPERTIES 5
+#define SETUP_JAILHOUSE 6
+#define SETUP_CC_BLOB 7
+#define SETUP_IMA 8
+#define SETUP_RNG_SEED 9
+#define SETUP_ENUM_MAX SETUP_RNG_SEED
+
+#define SETUP_INDIRECT (1<<31)
+#define SETUP_TYPE_MAX (SETUP_ENUM_MAX | SETUP_INDIRECT)
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+/* extensible setup data list node */
+struct setup_data {
+ __u64 next;
+ __u32 type;
+ __u32 len;
+ __u8 data[];
+};
+
+/* extensible setup indirect data node */
+struct setup_indirect {
+ __u32 type;
+ __u32 reserved; /* Reserved, must be set to zero. */
+ __u64 len;
+ __u64 addr;
+};
+
+/*
+ * The E820 memory region entry of the boot protocol ABI:
+ */
+struct boot_e820_entry {
+ __u64 addr;
+ __u64 size;
+ __u32 type;
+} __attribute__((packed));
+
+/*
+ * The boot loader is passing platform information via this Jailhouse-specific
+ * setup data structure.
+ */
+struct jailhouse_setup_data {
+ struct {
+ __u16 version;
+ __u16 compatible_version;
+ } __attribute__((packed)) hdr;
+ struct {
+ __u16 pm_timer_address;
+ __u16 num_cpus;
+ __u64 pci_mmconfig_base;
+ __u32 tsc_khz;
+ __u32 apic_khz;
+ __u8 standard_ioapic;
+ __u8 cpu_ids[255];
+ } __attribute__((packed)) v1;
+ struct {
+ __u32 flags;
+ } __attribute__((packed)) v2;
+} __attribute__((packed));
+
+/*
+ * IMA buffer setup data information from the previous kernel during kexec
+ */
+struct ima_setup_data {
+ __u64 addr;
+ __u64 size;
+} __attribute__((packed));
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _UAPI_ASM_X86_SETUP_DATA_H */
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index d184c29398db..e74d0c4286c1 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -26,6 +26,7 @@
#include <linux/vmalloc.h>
#include <linux/memblock.h>
+#include <asm/bootparam.h>
#include <asm/processor.h>
#include <asm/hardirq.h>
#include <asm/nmi.h>
diff --git a/arch/x86/kernel/sev-shared.c b/arch/x86/kernel/sev-shared.c
index ae79f9505298..a200bd72fadc 100644
--- a/arch/x86/kernel/sev-shared.c
+++ b/arch/x86/kernel/sev-shared.c
@@ -9,6 +9,8 @@
* and is included directly into both code-bases.
*/
+#include <asm/setup_data.h>
+
#ifndef __BOOT_COMPRESSED
#define error(v) pr_err(v)
#define has_cpuflag(f) boot_cpu_has(f)
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index e9f99c56f3ce..f090ec972d7b 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -950,3 +950,8 @@ umode_t efi_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n)
}
return attr->mode;
}
+
+enum efi_secureboot_mode __x86_ima_efi_boot_mode(void)
+{
+ return boot_params.secure_boot;
+}
diff --git a/arch/x86/platform/pvh/enlighten.c b/arch/x86/platform/pvh/enlighten.c
index 00a92cb2c814..944e0290f2c0 100644
--- a/arch/x86/platform/pvh/enlighten.c
+++ b/arch/x86/platform/pvh/enlighten.c
@@ -3,6 +3,7 @@
#include <xen/hvc-console.h>
+#include <asm/bootparam.h>
#include <asm/io_apic.h>
#include <asm/hypervisor.h>
#include <asm/e820/api.h>
diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c
index ada3868c02c2..9e9db601bd52 100644
--- a/arch/x86/xen/enlighten_pvh.c
+++ b/arch/x86/xen/enlighten_pvh.c
@@ -4,6 +4,7 @@
#include <xen/hvc-console.h>
+#include <asm/bootparam.h>
#include <asm/io_apic.h>
#include <asm/hypervisor.h>
#include <asm/e820/api.h>
diff --git a/arch/x86/xen/vga.c b/arch/x86/xen/vga.c
index d97adab8420f..f7547807b0bd 100644
--- a/arch/x86/xen/vga.c
+++ b/arch/x86/xen/vga.c
@@ -2,7 +2,6 @@
#include <linux/screen_info.h>
#include <linux/init.h>
-#include <asm/bootparam.h>
#include <asm/setup.h>
#include <xen/interface/xen.h>