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Subject[patch 03/28] Add cmpxchg64 and cmpxchg64_local to alpha
Make sure that at least cmpxchg64_local is available on all architectures to use
for unsigned long long values.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: rth@twiddle.net
CC: ink@jurassic.park.msu.ru
---
include/asm-alpha/system.h | 2 ++
1 file changed, 2 insertions(+)

Index: linux-2.6-lttng/include/asm-alpha/system.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-alpha/system.h 2007-08-27 11:23:08.000000000 -0400
+++ linux-2.6-lttng/include/asm-alpha/system.h 2007-08-27 11:23:46.000000000 -0400
@@ -687,6 +687,7 @@ __cmpxchg(volatile void *ptr, unsigned l
(__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
(unsigned long)_n_, sizeof(*(ptr))); \
})
+#define cmpxchg64 cmpxchg

static inline unsigned long
__cmpxchg_u8_local(volatile char *m, long old, long new)
@@ -809,6 +810,7 @@ __cmpxchg_local(volatile void *ptr, unsi
(__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \
(unsigned long)_n_, sizeof(*(ptr))); \
})
+#define cmpxchg64_local cmpxchg_local

#endif /* __ASSEMBLY__ */

--
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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