[patch 03/28] Add cmpxchg64 and cmpxchg64_local to alpha

Mathieu Desnoyers
2007-10-30T19:26:55Z

[-- Attachment #1: add-cmpxchg64-to-alpha.patch --]
[-- Type: text/plain, Size: 1315 bytes --]

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__ */