diff options
Diffstat (limited to 'arch/x86/include/asm/alternative-asm.h')
| -rw-r--r-- | arch/x86/include/asm/alternative-asm.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h new file mode 100644 index 00000000000..e2077d343c3 --- /dev/null +++ b/arch/x86/include/asm/alternative-asm.h @@ -0,0 +1,22 @@ +#ifdef __ASSEMBLY__ + +#ifdef CONFIG_X86_32 +# define X86_ALIGN .long +#else +# define X86_ALIGN .quad +#endif + +#ifdef CONFIG_SMP + .macro LOCK_PREFIX +1: lock + .section .smp_locks,"a" + .align 4 + X86_ALIGN 1b + .previous + .endm +#else + .macro LOCK_PREFIX + .endm +#endif + +#endif /* __ASSEMBLY__ */ |