summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/alternative.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/alternative.h')
-rw-r--r--arch/x86/include/asm/alternative.h12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index bf535f947e8..37ad100a221 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -43,14 +43,11 @@
#endif
struct alt_instr {
- u8 *instr; /* original instruction */
- u8 *replacement;
+ s32 instr_offset; /* original instruction */
+ s32 repl_offset; /* offset to replacement instruction */
u16 cpuid; /* cpuid bit set for replacement */
u8 instrlen; /* length of original instruction */
u8 replacementlen; /* length of new instruction, <= instrlen */
-#ifdef CONFIG_X86_64
- u32 pad2;
-#endif
};
extern void alternative_instructions(void);
@@ -83,9 +80,8 @@ static inline int alternatives_text_reserved(void *start, void *end)
\
"661:\n\t" oldinstr "\n662:\n" \
".section .altinstructions,\"a\"\n" \
- _ASM_ALIGN "\n" \
- _ASM_PTR "661b\n" /* label */ \
- _ASM_PTR "663f\n" /* new instruction */ \
+ " .long 661b - .\n" /* label */ \
+ " .long 663f - .\n" /* new instruction */ \
" .word " __stringify(feature) "\n" /* feature bit */ \
" .byte 662b-661b\n" /* sourcelen */ \
" .byte 664f-663f\n" /* replacementlen */ \