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-rw-r--r--arch/x86/kernel/alternative.c4
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c84
-rw-r--r--arch/x86/kernel/process.c7
-rw-r--r--arch/x86/kernel/process_32.c6
-rw-r--r--arch/x86/kernel/process_64.c6
-rw-r--r--arch/x86/kernel/x8664_ksyms_64.c3
6 files changed, 55 insertions, 55 deletions
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index e63b80e5861..e6ea0342c8f 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -205,7 +205,7 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
struct alt_instr *end)
{
struct alt_instr *a;
- char insnbuf[MAX_PATCH_LEN];
+ u8 insnbuf[MAX_PATCH_LEN];
DPRINTK("%s: alt table %p -> %p\n", __func__, start, end);
for (a = start; a < end; a++) {
@@ -223,6 +223,8 @@ void __init_or_module apply_alternatives(struct alt_instr *start,
}
#endif
memcpy(insnbuf, a->replacement, a->replacementlen);
+ if (*insnbuf == 0xe8 && a->replacementlen == 5)
+ *(s32 *)(insnbuf + 1) += a->replacement - a->instr;
add_nops(insnbuf + a->replacementlen,
a->instrlen - a->replacementlen);
text_poke_early(instr, insnbuf, a->instrlen);
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index fc6c8ef92dc..c2b722d5a72 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -31,6 +31,8 @@ struct _cache_table {
short size;
};
+#define MB(x) ((x) * 1024)
+
/* All the cache descriptor types we care about (no TLB or
trace cache entries) */
@@ -44,9 +46,9 @@ static const struct _cache_table __cpuinitconst cache_table[] =
{ 0x0d, LVL_1_DATA, 16 }, /* 4-way set assoc, 64 byte line size */
{ 0x21, LVL_2, 256 }, /* 8-way set assoc, 64 byte line size */
{ 0x22, LVL_3, 512 }, /* 4-way set assoc, sectored cache, 64 byte line size */
- { 0x23, LVL_3, 1024 }, /* 8-way set assoc, sectored cache, 64 byte line size */
- { 0x25, LVL_3, 2048 }, /* 8-way set assoc, sectored cache, 64 byte line size */
- { 0x29, LVL_3, 4096 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x23, LVL_3, MB(1) }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x25, LVL_3, MB(2) }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x29, LVL_3, MB(4) }, /* 8-way set assoc, sectored cache, 64 byte line size */
{ 0x2c, LVL_1_DATA, 32 }, /* 8-way set assoc, 64 byte line size */
{ 0x30, LVL_1_INST, 32 }, /* 8-way set assoc, 64 byte line size */
{ 0x39, LVL_2, 128 }, /* 4-way set assoc, sectored cache, 64 byte line size */
@@ -59,16 +61,16 @@ static const struct _cache_table __cpuinitconst cache_table[] =
{ 0x41, LVL_2, 128 }, /* 4-way set assoc, 32 byte line size */
{ 0x42, LVL_2, 256 }, /* 4-way set assoc, 32 byte line size */
{ 0x43, LVL_2, 512 }, /* 4-way set assoc, 32 byte line size */
- { 0x44, LVL_2, 1024 }, /* 4-way set assoc, 32 byte line size */
- { 0x45, LVL_2, 2048 }, /* 4-way set assoc, 32 byte line size */
- { 0x46, LVL_3, 4096 }, /* 4-way set assoc, 64 byte line size */
- { 0x47, LVL_3, 8192 }, /* 8-way set assoc, 64 byte line size */
- { 0x49, LVL_3, 4096 }, /* 16-way set assoc, 64 byte line size */
- { 0x4a, LVL_3, 6144 }, /* 12-way set assoc, 64 byte line size */
- { 0x4b, LVL_3, 8192 }, /* 16-way set assoc, 64 byte line size */
- { 0x4c, LVL_3, 12288 }, /* 12-way set assoc, 64 byte line size */
- { 0x4d, LVL_3, 16384 }, /* 16-way set assoc, 64 byte line size */
- { 0x4e, LVL_2, 6144 }, /* 24-way set assoc, 64 byte line size */
+ { 0x44, LVL_2, MB(1) }, /* 4-way set assoc, 32 byte line size */
+ { 0x45, LVL_2, MB(2) }, /* 4-way set assoc, 32 byte line size */
+ { 0x46, LVL_3, MB(4) }, /* 4-way set assoc, 64 byte line size */
+ { 0x47, LVL_3, MB(8) }, /* 8-way set assoc, 64 byte line size */
+ { 0x49, LVL_3, MB(4) }, /* 16-way set assoc, 64 byte line size */
+ { 0x4a, LVL_3, MB(6) }, /* 12-way set assoc, 64 byte line size */
+ { 0x4b, LVL_3, MB(8) }, /* 16-way set assoc, 64 byte line size */
+ { 0x4c, LVL_3, MB(12) }, /* 12-way set assoc, 64 byte line size */
+ { 0x4d, LVL_3, MB(16) }, /* 16-way set assoc, 64 byte line size */
+ { 0x4e, LVL_2, MB(6) }, /* 24-way set assoc, 64 byte line size */
{ 0x60, LVL_1_DATA, 16 }, /* 8-way set assoc, sectored cache, 64 byte line size */
{ 0x66, LVL_1_DATA, 8 }, /* 4-way set assoc, sectored cache, 64 byte line size */
{ 0x67, LVL_1_DATA, 16 }, /* 4-way set assoc, sectored cache, 64 byte line size */
@@ -77,34 +79,34 @@ static const struct _cache_table __cpuinitconst cache_table[] =
{ 0x71, LVL_TRACE, 16 }, /* 8-way set assoc */
{ 0x72, LVL_TRACE, 32 }, /* 8-way set assoc */
{ 0x73, LVL_TRACE, 64 }, /* 8-way set assoc */
- { 0x78, LVL_2, 1024 }, /* 4-way set assoc, 64 byte line size */
- { 0x79, LVL_2, 128 }, /* 8-way set assoc, sectored cache, 64 byte line size */
- { 0x7a, LVL_2, 256 }, /* 8-way set assoc, sectored cache, 64 byte line size */
- { 0x7b, LVL_2, 512 }, /* 8-way set assoc, sectored cache, 64 byte line size */
- { 0x7c, LVL_2, 1024 }, /* 8-way set assoc, sectored cache, 64 byte line size */
- { 0x7d, LVL_2, 2048 }, /* 8-way set assoc, 64 byte line size */
- { 0x7f, LVL_2, 512 }, /* 2-way set assoc, 64 byte line size */
- { 0x82, LVL_2, 256 }, /* 8-way set assoc, 32 byte line size */
- { 0x83, LVL_2, 512 }, /* 8-way set assoc, 32 byte line size */
- { 0x84, LVL_2, 1024 }, /* 8-way set assoc, 32 byte line size */
- { 0x85, LVL_2, 2048 }, /* 8-way set assoc, 32 byte line size */
- { 0x86, LVL_2, 512 }, /* 4-way set assoc, 64 byte line size */
- { 0x87, LVL_2, 1024 }, /* 8-way set assoc, 64 byte line size */
- { 0xd0, LVL_3, 512 }, /* 4-way set assoc, 64 byte line size */
- { 0xd1, LVL_3, 1024 }, /* 4-way set assoc, 64 byte line size */
- { 0xd2, LVL_3, 2048 }, /* 4-way set assoc, 64 byte line size */
- { 0xd6, LVL_3, 1024 }, /* 8-way set assoc, 64 byte line size */
- { 0xd7, LVL_3, 2048 }, /* 8-way set assoc, 64 byte line size */
- { 0xd8, LVL_3, 4096 }, /* 12-way set assoc, 64 byte line size */
- { 0xdc, LVL_3, 2048 }, /* 12-way set assoc, 64 byte line size */
- { 0xdd, LVL_3, 4096 }, /* 12-way set assoc, 64 byte line size */
- { 0xde, LVL_3, 8192 }, /* 12-way set assoc, 64 byte line size */
- { 0xe2, LVL_3, 2048 }, /* 16-way set assoc, 64 byte line size */
- { 0xe3, LVL_3, 4096 }, /* 16-way set assoc, 64 byte line size */
- { 0xe4, LVL_3, 8192 }, /* 16-way set assoc, 64 byte line size */
- { 0xea, LVL_3, 12288 }, /* 24-way set assoc, 64 byte line size */
- { 0xeb, LVL_3, 18432 }, /* 24-way set assoc, 64 byte line size */
- { 0xec, LVL_3, 24576 }, /* 24-way set assoc, 64 byte line size */
+ { 0x78, LVL_2, MB(1) }, /* 4-way set assoc, 64 byte line size */
+ { 0x79, LVL_2, 128 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x7a, LVL_2, 256 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x7b, LVL_2, 512 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x7c, LVL_2, MB(1) }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x7d, LVL_2, MB(2) }, /* 8-way set assoc, 64 byte line size */
+ { 0x7f, LVL_2, 512 }, /* 2-way set assoc, 64 byte line size */
+ { 0x82, LVL_2, 256 }, /* 8-way set assoc, 32 byte line size */
+ { 0x83, LVL_2, 512 }, /* 8-way set assoc, 32 byte line size */
+ { 0x84, LVL_2, MB(1) }, /* 8-way set assoc, 32 byte line size */
+ { 0x85, LVL_2, MB(2) }, /* 8-way set assoc, 32 byte line size */
+ { 0x86, LVL_2, 512 }, /* 4-way set assoc, 64 byte line size */
+ { 0x87, LVL_2, MB(1) }, /* 8-way set assoc, 64 byte line size */
+ { 0xd0, LVL_3, 512 }, /* 4-way set assoc, 64 byte line size */
+ { 0xd1, LVL_3, MB(1) }, /* 4-way set assoc, 64 byte line size */
+ { 0xd2, LVL_3, MB(2) }, /* 4-way set assoc, 64 byte line size */
+ { 0xd6, LVL_3, MB(1) }, /* 8-way set assoc, 64 byte line size */
+ { 0xd7, LVL_3, MB(2) }, /* 8-way set assoc, 64 byte line size */
+ { 0xd8, LVL_3, MB(4) }, /* 12-way set assoc, 64 byte line size */
+ { 0xdc, LVL_3, MB(2) }, /* 12-way set assoc, 64 byte line size */
+ { 0xdd, LVL_3, MB(4) }, /* 12-way set assoc, 64 byte line size */
+ { 0xde, LVL_3, MB(8) }, /* 12-way set assoc, 64 byte line size */
+ { 0xe2, LVL_3, MB(2) }, /* 16-way set assoc, 64 byte line size */
+ { 0xe3, LVL_3, MB(4) }, /* 16-way set assoc, 64 byte line size */
+ { 0xe4, LVL_3, MB(8) }, /* 16-way set assoc, 64 byte line size */
+ { 0xea, LVL_3, MB(12) }, /* 24-way set assoc, 64 byte line size */
+ { 0xeb, LVL_3, MB(18) }, /* 24-way set assoc, 64 byte line size */
+ { 0xec, LVL_3, MB(24) }, /* 24-way set assoc, 64 byte line size */
{ 0x00, 0, 0}
};
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index c9b3522b6b4..02d678065d7 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -92,6 +92,13 @@ void exit_thread(void)
}
}
+void show_regs(struct pt_regs *regs)
+{
+ show_registers(regs);
+ show_trace(NULL, regs, (unsigned long *)kernel_stack_pointer(regs),
+ regs->bp);
+}
+
void show_regs_common(void)
{
const char *board, *product;
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 37ad1e046aa..f6c62667e30 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -174,12 +174,6 @@ void __show_regs(struct pt_regs *regs, int all)
d6, d7);
}
-void show_regs(struct pt_regs *regs)
-{
- show_registers(regs);
- show_trace(NULL, regs, &regs->sp, regs->bp);
-}
-
void release_thread(struct task_struct *dead_task)
{
BUG_ON(dead_task->mm);
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 126f0b493d0..dc9690b4c4c 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -211,12 +211,6 @@ void __show_regs(struct pt_regs *regs, int all)
printk(KERN_DEFAULT "DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, d7);
}
-void show_regs(struct pt_regs *regs)
-{
- show_registers(regs);
- show_trace(NULL, regs, (void *)(regs + 1), regs->bp);
-}
-
void release_thread(struct task_struct *dead_task)
{
if (dead_task->mm) {
diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c
index 619f7f88b8c..693920b2249 100644
--- a/arch/x86/kernel/x8664_ksyms_64.c
+++ b/arch/x86/kernel/x8664_ksyms_64.c
@@ -26,7 +26,8 @@ EXPORT_SYMBOL(__put_user_2);
EXPORT_SYMBOL(__put_user_4);
EXPORT_SYMBOL(__put_user_8);
-EXPORT_SYMBOL(copy_user_generic);
+EXPORT_SYMBOL(copy_user_generic_string);
+EXPORT_SYMBOL(copy_user_generic_unrolled);
EXPORT_SYMBOL(__copy_user_nocache);
EXPORT_SYMBOL(_copy_from_user);
EXPORT_SYMBOL(_copy_to_user);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 08:10:06 +0000