mirror of
https://github.com/torvalds/linux.git
synced 2024-12-24 11:51:27 +00:00
76f30759f6
Add header guards to protect <asm/alternative-asm.h> against multiple inclusion. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/1348256595-29119-6-git-send-email-hpa@linux.intel.com
32 lines
500 B
C
32 lines
500 B
C
#ifndef _ASM_X86_ALTERNATIVE_ASM_H
|
|
#define _ASM_X86_ALTERNATIVE_ASM_H
|
|
|
|
#ifdef __ASSEMBLY__
|
|
|
|
#include <asm/asm.h>
|
|
|
|
#ifdef CONFIG_SMP
|
|
.macro LOCK_PREFIX
|
|
672: lock
|
|
.pushsection .smp_locks,"a"
|
|
.balign 4
|
|
.long 672b - .
|
|
.popsection
|
|
.endm
|
|
#else
|
|
.macro LOCK_PREFIX
|
|
.endm
|
|
#endif
|
|
|
|
.macro altinstruction_entry orig alt feature orig_len alt_len
|
|
.long \orig - .
|
|
.long \alt - .
|
|
.word \feature
|
|
.byte \orig_len
|
|
.byte \alt_len
|
|
.endm
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* _ASM_X86_ALTERNATIVE_ASM_H */
|