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| author | Arun Sharma <asharma@fb.com> | 2011-07-26 16:09:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 16:49:47 -0700 |
| commit | f24219b4e90cf70ec4a211b17fbabc725a0ddf3c (patch) | |
| tree | c1c753bd425d61a5094995d9835b23b46383d9b2 /arch/s390 | |
| parent | 60063497a95e716c9a689af3be2687d261f115b4 (diff) | |
| download | blackbird-op-linux-f24219b4e90cf70ec4a211b17fbabc725a0ddf3c.tar.gz blackbird-op-linux-f24219b4e90cf70ec4a211b17fbabc725a0ddf3c.zip | |
atomic: move atomic_add_unless to generic code
This is in preparation for more generic atomic primitives based on
__atomic_add_unless.
Signed-off-by: Arun Sharma <asharma@fb.com>
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Miller <davem@davemloft.net>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/atomic.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h index 29d756329228..7b0b0a7193e5 100644 --- a/arch/s390/include/asm/atomic.h +++ b/arch/s390/include/asm/atomic.h @@ -93,7 +93,7 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new) return old; } -static inline int atomic_add_unless(atomic_t *v, int a, int u) +static inline int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; c = atomic_read(v); @@ -105,7 +105,7 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) break; c = old; } - return c != u; + return c; } |
