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Subject[patch 04/28] Add cmpxchg64 and cmpxchg64_local to powerpc
Make sure that at least cmpxchg64_local is available on all architectures to use
for unsigned long long values.

Signed-off-by: Mathieu Desnoyers <>
include/asm-powerpc/system.h | 6 ++++++
1 file changed, 6 insertions(+)

Index: linux-2.6-lttng/include/asm-powerpc/system.h
--- linux-2.6-lttng.orig/include/asm-powerpc/system.h 2007-08-27 11:42:08.000000000 -0400
+++ linux-2.6-lttng/include/asm-powerpc/system.h 2007-08-27 11:42:43.000000000 -0400
@@ -485,6 +485,12 @@ __cmpxchg_local(volatile void *ptr, unsi
#define NET_IP_ALIGN 0
+#define cmpxchg64 cmpxchg
+#define cmpxchg64_local cmpxchg_local
+#include <asm-generic/cmpxchg-local.h>
+#define cmpxchg64_local(ptr,o,n) __cmpxchg64_local_generic((ptr), (o), (n))

#define arch_align_stack(x) (x)
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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