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| author | Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> | 2007-02-21 10:55:59 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-02-21 10:55:59 +0100 |
| commit | 3a5f10e3708e00c406f154bae412652ec3eb2b48 (patch) | |
| tree | 057bb6524bbd60b48c78de5770ae9855f60f1cab /include/asm-s390 | |
| parent | de61c9341ba144f6f21fdaae48ffbd811fc6637f (diff) | |
| download | op-kernel-dev-3a5f10e3708e00c406f154bae412652ec3eb2b48.zip op-kernel-dev-3a5f10e3708e00c406f154bae412652ec3eb2b48.tar.gz | |
[S390] add atomic64_xchg to s390
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-s390/atomic.h b/include/asm-s390/atomic.h index af20c74..c17bdbf 100644 --- a/include/asm-s390/atomic.h +++ b/include/asm-s390/atomic.h @@ -215,6 +215,8 @@ static __inline__ void atomic64_set_mask(unsigned long mask, atomic64_t * v) __CSG_LOOP(v, mask, "ogr"); } +#define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) + static __inline__ long long atomic64_cmpxchg(atomic64_t *v, long long old, long long new) { |
