Messages in this thread Patch in this message | | | Date | Fri, 13 Jul 2007 21:19:13 -0400 | From | Mathieu Desnoyers <> | Subject | [PATCH] x86_64 - Use non locked version for local_cmpxchg() |
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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> 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-2.6-lttng/include/asm-x86_64/cmpxchg.h =================================================================== --- linux-2.6-lttng.orig/include/asm-x86_64/cmpxchg.h 2007-07-10 01:10:10.000000000 -0400 +++ linux-2.6-lttng/include/asm-x86_64/cmpxchg.h 2007-07-10 01:11:03.000000000 -0400 @@ -128,7 +128,7 @@ ((__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 -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - 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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