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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/blackfin | |
| parent | 60063497a95e716c9a689af3be2687d261f115b4 (diff) | |
| download | op-kernel-dev-f24219b4e90cf70ec4a211b17fbabc725a0ddf3c.zip op-kernel-dev-f24219b4e90cf70ec4a211b17fbabc725a0ddf3c.tar.gz | |
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/blackfin')
| -rw-r--r-- | arch/blackfin/include/asm/atomic.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h index f2cf5b7..292c86f 100644 --- a/arch/blackfin/include/asm/atomic.h +++ b/arch/blackfin/include/asm/atomic.h @@ -89,13 +89,13 @@ static inline void atomic_set_mask(int mask, atomic_t *v) #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -#define atomic_add_unless(v, a, u) \ +#define __atomic_add_unless(v, a, u) \ ({ \ int c, old; \ c = atomic_read(v); \ while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ c = old; \ - c != (u); \ + c; \ }) /* |
