Commit 07c9819b authored by Andi Kleen's avatar Andi Kleen Committed by Andi Kleen
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[PATCH] i386: add alternative-asm.h to allow LOCK_PREFIX replacement in .S files



LOCK_PREFIX is replaced by nops on UP systems, so it has to be a special
macro.  Previously this was only possible from C. Allow it for pure
assembly files too. Similar to earlier x86-64 patch.
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
parent b06babac
#include <linux/config.h>
#ifdef CONFIG_SMP
.macro LOCK_PREFIX
1: lock
.section .smp_locks,"a"
.align 4
.long 1b
.previous
.endm
#else
.macro LOCK_PREFIX
.endm
#endif
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