From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <20071030192103.292022353@polymtl.ca> References: <20071030191557.947156623@polymtl.ca> Date: Tue, 30 Oct 2007 15:16:03 -0400 From: Mathieu Desnoyers Subject: [patch 06/28] Add cmpxchg64 and cmpxchg64_local to x86_64 Content-Disposition: inline; filename=add-cmpxchg64-to-x86_64.patch Sender: owner-linux-mm@kvack.org Return-Path: To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, matthew@wil.cx, linux-arch@vger.kernel.org, penberg@cs.helsinki.fi, linux-mm@kvack.org, Christoph Lameter Cc: Mathieu Desnoyers , Andi Kleen List-ID: Make sure that at least cmpxchg64_local is available on all architectures to use for unsigned long long values. Signed-off-by: Mathieu Desnoyers CC: Andi Kleen --- include/asm-x86_64/cmpxchg.h | 2 ++ 1 file changed, 2 insertions(+) Index: linux-2.6-lttng/include/asm-x86_64/cmpxchg.h =================================================================== --- linux-2.6-lttng.orig/include/asm-x86_64/cmpxchg.h 2007-08-27 11:16:46.000000000 -0400 +++ linux-2.6-lttng/include/asm-x86_64/cmpxchg.h 2007-08-27 11:17:21.000000000 -0400 @@ -127,8 +127,10 @@ static inline unsigned long __cmpxchg_lo #define cmpxchg(ptr,o,n)\ ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ (unsigned long)(n),sizeof(*(ptr)))) +#define cmpxchg64 cmpxchg #define cmpxchg_local(ptr,o,n)\ ((__typeof__(*(ptr)))__cmpxchg_local((ptr),(unsigned long)(o),\ (unsigned long)(n),sizeof(*(ptr)))) +#define cmpxchg64_local cmpxchg_local #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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org