Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [8/11] x86_64: x86_64 - Use non locked version for local_cmpxchg() | Date | Fri, 20 Jul 2007 17:32:52 +0200 (CEST) |
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From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> x86_64 - Use non locked version for local_cmpxchg()
local_cmpxchg() should not use any LOCK prefix. This change probably got lost in the move to cmpxchg.h.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Andi Kleen <ak@suse.de> Acked-by: Christoph Lameter <clameter@sgi.com> CC: Andi Kleen <andi@firstfloor.org> --- include/asm-x86_64/cmpxchg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/include/asm-x86_64/cmpxchg.h =================================================================== --- linux.orig/include/asm-x86_64/cmpxchg.h +++ linux/include/asm-x86_64/cmpxchg.h @@ -128,7 +128,7 @@ static inline unsigned long __cmpxchg_lo ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ (unsigned long)(n),sizeof(*(ptr)))) #define cmpxchg_local(ptr,o,n)\ - ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ + ((__typeof__(*(ptr)))__cmpxchg_local((ptr),(unsigned long)(o),\ (unsigned long)(n),sizeof(*(ptr)))) #endif - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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