diff options
| 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/tile/include/asm/atomic_64.h | |
| parent | atomic: use <linux/atomic.h> (diff) | |
| download | linux-dev-f24219b4e90cf70ec4a211b17fbabc725a0ddf3c.tar.xz linux-dev-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/tile/include/asm/atomic_64.h')
| -rw-r--r-- | arch/tile/include/asm/atomic_64.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h index a48dda30cbcc..27fe667fddfe 100644 --- a/arch/tile/include/asm/atomic_64.h +++ b/arch/tile/include/asm/atomic_64.h @@ -64,7 +64,7 @@ static inline int atomic_add_return(int i, atomic_t *v) return val; } -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 guess, oldval = v->counter; do { @@ -73,7 +73,7 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) guess = oldval; oldval = atomic_cmpxchg(v, guess, guess + a); } while (guess != oldval); - return oldval != u; + return oldval; } /* Now the true 64-bit operations. */ |