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-rw-r--r--arch/x86/boot/compressed/kaslr.c2
-rw-r--r--arch/x86/boot/string.c2
-rw-r--r--arch/x86/kernel/alternative.c2
-rw-r--r--arch/x86/kernel/head_32.S22
-rw-r--r--arch/x86/kernel/i8259.c2
-rw-r--r--arch/x86/kernel/ptrace.c174
-rw-r--r--arch/x86/kernel/traps.c4
-rw-r--r--arch/x86/kernel/tsc.c2
8 files changed, 115 insertions, 95 deletions
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index e476bcbd9b42..454757fbdfe5 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -668,7 +668,7 @@ static bool process_mem_region(struct mem_vector *region,
}
}
#endif
- return 0;
+ return false;
}
#ifdef CONFIG_EFI
diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c
index 8a3fff9128bb..1c8541ae3b3a 100644
--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -350,7 +350,7 @@ static int _kstrtoul(const char *s, unsigned int base, unsigned long *res)
}
/**
- * kstrtoul - convert a string to an unsigned long
+ * boot_kstrtoul - convert a string to an unsigned long
* @s: The start of the string. The string must be null-terminated, and may also
* include a single newline before its terminating null. The first character
* may also be a plus sign, but not a minus sign.
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index beaf9fc44e2f..a9bea860e22a 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -1608,7 +1608,7 @@ static void text_poke_loc_init(struct text_poke_loc *tp, void *addr,
default:
BUG_ON(len != insn.length);
- };
+ }
switch (tp->opcode) {
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 9b7acc9c7874..67c8ed99144b 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -261,16 +261,6 @@ SYM_FUNC_START(startup_32_smp)
addl $__PAGE_OFFSET, %esp
/*
- * start system 32-bit setup. We need to re-do some of the things done
- * in 16-bit mode for the "real" operations.
- */
- movl setup_once_ref,%eax
- andl %eax,%eax
- jz 1f # Did we do this already?
- call *%eax
-1:
-
-/*
* Check if it is 486
*/
movb $4,X86 # at least 486
@@ -331,18 +321,7 @@ SYM_FUNC_END(startup_32_smp)
#include "verify_cpu.S"
-/*
- * setup_once
- *
- * The setup work we only want to run on the BSP.
- *
- * Warning: %esi is live across this function.
- */
__INIT
-setup_once:
- andl $0,setup_once_ref /* Once is enough, thanks */
- RET
-
SYM_FUNC_START(early_idt_handler_array)
# 36(%esp) %eflags
# 32(%esp) %cs
@@ -458,7 +437,6 @@ SYM_DATA(early_recursion_flag, .long 0)
__REFDATA
.align 4
SYM_DATA(initial_code, .long i386_start_kernel)
-SYM_DATA(setup_once_ref, .long setup_once)
#ifdef CONFIG_PAGE_TABLE_ISOLATION
#define PGD_ALIGN (2 * PAGE_SIZE)
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index 15aefa3f3e18..3aa5304200c5 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -407,7 +407,7 @@ struct legacy_pic null_legacy_pic = {
.make_irq = legacy_pic_uint_noop,
};
-struct legacy_pic default_legacy_pic = {
+static struct legacy_pic default_legacy_pic = {
.nr_legacy_irqs = NR_IRQS_LEGACY,
.chip = &i8259A_chip,
.mask = mask_8259A_irq,
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 37c12fb92906..dfaa270a7cc9 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -44,16 +44,35 @@
#include "tls.h"
-enum x86_regset {
- REGSET_GENERAL,
- REGSET_FP,
- REGSET_XFP,
- REGSET_IOPERM64 = REGSET_XFP,
- REGSET_XSTATE,
- REGSET_TLS,
- REGSET_IOPERM32,
+enum x86_regset_32 {
+ REGSET32_GENERAL,
+ REGSET32_FP,
+ REGSET32_XFP,
+ REGSET32_XSTATE,
+ REGSET32_TLS,
+ REGSET32_IOPERM,
};
+enum x86_regset_64 {
+ REGSET64_GENERAL,
+ REGSET64_FP,
+ REGSET64_IOPERM,
+ REGSET64_XSTATE,
+};
+
+#define REGSET_GENERAL \
+({ \
+ BUILD_BUG_ON((int)REGSET32_GENERAL != (int)REGSET64_GENERAL); \
+ REGSET32_GENERAL; \
+})
+
+#define REGSET_FP \
+({ \
+ BUILD_BUG_ON((int)REGSET32_FP != (int)REGSET64_FP); \
+ REGSET32_FP; \
+})
+
+
struct pt_regs_offset {
const char *name;
int offset;
@@ -788,13 +807,13 @@ long arch_ptrace(struct task_struct *child, long request,
#ifdef CONFIG_X86_32
case PTRACE_GETFPXREGS: /* Get the child extended FPU state. */
return copy_regset_to_user(child, &user_x86_32_view,
- REGSET_XFP,
+ REGSET32_XFP,
0, sizeof(struct user_fxsr_struct),
datap) ? -EIO : 0;
case PTRACE_SETFPXREGS: /* Set the child extended FPU state. */
return copy_regset_from_user(child, &user_x86_32_view,
- REGSET_XFP,
+ REGSET32_XFP,
0, sizeof(struct user_fxsr_struct),
datap) ? -EIO : 0;
#endif
@@ -1086,13 +1105,13 @@ static long ia32_arch_ptrace(struct task_struct *child, compat_long_t request,
case PTRACE_GETFPXREGS: /* Get the child extended FPU state. */
return copy_regset_to_user(child, &user_x86_32_view,
- REGSET_XFP, 0,
+ REGSET32_XFP, 0,
sizeof(struct user32_fxsr_struct),
datap);
case PTRACE_SETFPXREGS: /* Set the child extended FPU state. */
return copy_regset_from_user(child, &user_x86_32_view,
- REGSET_XFP, 0,
+ REGSET32_XFP, 0,
sizeof(struct user32_fxsr_struct),
datap);
@@ -1215,29 +1234,38 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
#ifdef CONFIG_X86_64
static struct user_regset x86_64_regsets[] __ro_after_init = {
- [REGSET_GENERAL] = {
- .core_note_type = NT_PRSTATUS,
- .n = sizeof(struct user_regs_struct) / sizeof(long),
- .size = sizeof(long), .align = sizeof(long),
- .regset_get = genregs_get, .set = genregs_set
+ [REGSET64_GENERAL] = {
+ .core_note_type = NT_PRSTATUS,
+ .n = sizeof(struct user_regs_struct) / sizeof(long),
+ .size = sizeof(long),
+ .align = sizeof(long),
+ .regset_get = genregs_get,
+ .set = genregs_set
},
- [REGSET_FP] = {
- .core_note_type = NT_PRFPREG,
- .n = sizeof(struct fxregs_state) / sizeof(long),
- .size = sizeof(long), .align = sizeof(long),
- .active = regset_xregset_fpregs_active, .regset_get = xfpregs_get, .set = xfpregs_set
+ [REGSET64_FP] = {
+ .core_note_type = NT_PRFPREG,
+ .n = sizeof(struct fxregs_state) / sizeof(long),
+ .size = sizeof(long),
+ .align = sizeof(long),
+ .active = regset_xregset_fpregs_active,
+ .regset_get = xfpregs_get,
+ .set = xfpregs_set
},
- [REGSET_XSTATE] = {
- .core_note_type = NT_X86_XSTATE,
- .size = sizeof(u64), .align = sizeof(u64),
- .active = xstateregs_active, .regset_get = xstateregs_get,
- .set = xstateregs_set
+ [REGSET64_XSTATE] = {
+ .core_note_type = NT_X86_XSTATE,
+ .size = sizeof(u64),
+ .align = sizeof(u64),
+ .active = xstateregs_active,
+ .regset_get = xstateregs_get,
+ .set = xstateregs_set
},
- [REGSET_IOPERM64] = {
- .core_note_type = NT_386_IOPERM,
- .n = IO_BITMAP_LONGS,
- .size = sizeof(long), .align = sizeof(long),
- .active = ioperm_active, .regset_get = ioperm_get
+ [REGSET64_IOPERM] = {
+ .core_note_type = NT_386_IOPERM,
+ .n = IO_BITMAP_LONGS,
+ .size = sizeof(long),
+ .align = sizeof(long),
+ .active = ioperm_active,
+ .regset_get = ioperm_get
},
};
@@ -1256,43 +1284,57 @@ static const struct user_regset_view user_x86_64_view = {
#if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
static struct user_regset x86_32_regsets[] __ro_after_init = {
- [REGSET_GENERAL] = {
- .core_note_type = NT_PRSTATUS,
- .n = sizeof(struct user_regs_struct32) / sizeof(u32),
- .size = sizeof(u32), .align = sizeof(u32),
- .regset_get = genregs32_get, .set = genregs32_set
+ [REGSET32_GENERAL] = {
+ .core_note_type = NT_PRSTATUS,
+ .n = sizeof(struct user_regs_struct32) / sizeof(u32),
+ .size = sizeof(u32),
+ .align = sizeof(u32),
+ .regset_get = genregs32_get,
+ .set = genregs32_set
},
- [REGSET_FP] = {
- .core_note_type = NT_PRFPREG,
- .n = sizeof(struct user_i387_ia32_struct) / sizeof(u32),
- .size = sizeof(u32), .align = sizeof(u32),
- .active = regset_fpregs_active, .regset_get = fpregs_get, .set = fpregs_set
+ [REGSET32_FP] = {
+ .core_note_type = NT_PRFPREG,
+ .n = sizeof(struct user_i387_ia32_struct) / sizeof(u32),
+ .size = sizeof(u32),
+ .align = sizeof(u32),
+ .active = regset_fpregs_active,
+ .regset_get = fpregs_get,
+ .set = fpregs_set
},
- [REGSET_XFP] = {
- .core_note_type = NT_PRXFPREG,
- .n = sizeof(struct fxregs_state) / sizeof(u32),
- .size = sizeof(u32), .align = sizeof(u32),
- .active = regset_xregset_fpregs_active, .regset_get = xfpregs_get, .set = xfpregs_set
+ [REGSET32_XFP] = {
+ .core_note_type = NT_PRXFPREG,
+ .n = sizeof(struct fxregs_state) / sizeof(u32),
+ .size = sizeof(u32),
+ .align = sizeof(u32),
+ .active = regset_xregset_fpregs_active,
+ .regset_get = xfpregs_get,
+ .set = xfpregs_set
},
- [REGSET_XSTATE] = {
- .core_note_type = NT_X86_XSTATE,
- .size = sizeof(u64), .align = sizeof(u64),
- .active = xstateregs_active, .regset_get = xstateregs_get,
- .set = xstateregs_set
+ [REGSET32_XSTATE] = {
+ .core_note_type = NT_X86_XSTATE,
+ .size = sizeof(u64),
+ .align = sizeof(u64),
+ .active = xstateregs_active,
+ .regset_get = xstateregs_get,
+ .set = xstateregs_set
},
- [REGSET_TLS] = {
- .core_note_type = NT_386_TLS,
- .n = GDT_ENTRY_TLS_ENTRIES, .bias = GDT_ENTRY_TLS_MIN,
- .size = sizeof(struct user_desc),
- .align = sizeof(struct user_desc),
- .active = regset_tls_active,
- .regset_get = regset_tls_get, .set = regset_tls_set
+ [REGSET32_TLS] = {
+ .core_note_type = NT_386_TLS,
+ .n = GDT_ENTRY_TLS_ENTRIES,
+ .bias = GDT_ENTRY_TLS_MIN,
+ .size = sizeof(struct user_desc),
+ .align = sizeof(struct user_desc),
+ .active = regset_tls_active,
+ .regset_get = regset_tls_get,
+ .set = regset_tls_set
},
- [REGSET_IOPERM32] = {
- .core_note_type = NT_386_IOPERM,
- .n = IO_BITMAP_BYTES / sizeof(u32),
- .size = sizeof(u32), .align = sizeof(u32),
- .active = ioperm_active, .regset_get = ioperm_get
+ [REGSET32_IOPERM] = {
+ .core_note_type = NT_386_IOPERM,
+ .n = IO_BITMAP_BYTES / sizeof(u32),
+ .size = sizeof(u32),
+ .align = sizeof(u32),
+ .active = ioperm_active,
+ .regset_get = ioperm_get
},
};
@@ -1311,10 +1353,10 @@ u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS];
void __init update_regset_xstate_info(unsigned int size, u64 xstate_mask)
{
#ifdef CONFIG_X86_64
- x86_64_regsets[REGSET_XSTATE].n = size / sizeof(u64);
+ x86_64_regsets[REGSET64_XSTATE].n = size / sizeof(u64);
#endif
#if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
- x86_32_regsets[REGSET_XSTATE].n = size / sizeof(u64);
+ x86_32_regsets[REGSET32_XSTATE].n = size / sizeof(u64);
#endif
xstate_fx_sw_bytes[USER_XSTATE_XCR0_WORD] = xstate_mask;
}
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index d3fdec706f1d..d1e1679f32cf 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -68,13 +68,13 @@
#ifdef CONFIG_X86_64
#include <asm/x86_init.h>
-#include <asm/proto.h>
#else
#include <asm/processor-flags.h>
#include <asm/setup.h>
-#include <asm/proto.h>
#endif
+#include <asm/proto.h>
+
DECLARE_BITMAP(system_vectors, NR_VECTORS);
static inline void cond_local_irq_enable(struct pt_regs *regs)
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index cafacb2e58cc..a78e73da4a74 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -51,7 +51,7 @@ int tsc_clocksource_reliable;
static u32 art_to_tsc_numerator;
static u32 art_to_tsc_denominator;
static u64 art_to_tsc_offset;
-struct clocksource *art_related_clocksource;
+static struct clocksource *art_related_clocksource;
struct cyc2ns {
struct cyc2ns_data data[2]; /* 0 + 2*16 = 32 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-18 13:49:41 +0000