x86_64: x86_64 - Use non locked version for local_cmpxchg()
authorMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Sun, 22 Jul 2007 09:12:37 +0000 (11:12 +0200)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Sun, 22 Jul 2007 18:03:38 +0000 (11:03 -0700)
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>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/asm-x86_64/cmpxchg.h

index 09a6b6b6b74dac10a753cf605acd87949d8c3eb9..5e182062e6ec98ca49e75729cb93a29e3c1622b4 100644 (file)
@@ -128,7 +128,7 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
        ((__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