alternative-asm.h

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#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 */