diff options
author | Ingo Molnar <mingo@elte.hu> | 2006-01-09 18:59:17 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@hera.kernel.org> | 2006-01-09 18:59:17 -0500 |
commit | ffbf670f5cd50501a34a5187981460da2216071e (patch) | |
tree | f2cd9eeeb59839d15feddf906310bb375474c573 /include/asm-v850 | |
parent | f17578decc40df8fceff82b106582e30bdfb3189 (diff) |
[PATCH] mutex subsystem, add atomic_xchg() to all arches
add atomic_xchg() to all the architectures. Needed by the new mutex code.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Diffstat (limited to 'include/asm-v850')
-rw-r--r-- | include/asm-v850/atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-v850/atomic.h b/include/asm-v850/atomic.h index f5b9ab6f4e70..166df00457ea 100644 --- a/include/asm-v850/atomic.h +++ b/include/asm-v850/atomic.h | |||
@@ -104,6 +104,8 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new) | |||
104 | return ret; | 104 | return ret; |
105 | } | 105 | } |
106 | 106 | ||
107 | #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) | ||
108 | |||
107 | static inline int atomic_add_unless(atomic_t *v, int a, int u) | 109 | static inline int atomic_add_unless(atomic_t *v, int a, int u) |
108 | { | 110 | { |
109 | int ret; | 111 | int ret; |