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| author | Jiri Kosina <jkosina@suse.cz> | 2011-09-15 17:08:05 +0400 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-09-15 17:08:18 +0400 |
| commit | e060c38434b2caa78efe7cedaff4191040b65a15 (patch) | |
| tree | 407361230bf6733f63d8e788e4b5e6566ee04818 /arch/tile/include/asm/atomic_32.h | |
| parent | 10e4ac572eeffe5317019bd7330b6058a400dfc2 (diff) | |
| parent | cc39c6a9bbdebfcf1a7dee64d83bf302bc38d941 (diff) | |
| download | linux-e060c38434b2caa78efe7cedaff4191040b65a15.tar.xz | |
Merge branch 'master' into for-next
Fast-forward merge with Linus to be able to merge patches
based on more recent version of the tree.
Diffstat (limited to 'arch/tile/include/asm/atomic_32.h')
| -rw-r--r-- | arch/tile/include/asm/atomic_32.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h index 92a8bee32311..c03349e0ca9f 100644 --- a/arch/tile/include/asm/atomic_32.h +++ b/arch/tile/include/asm/atomic_32.h @@ -11,7 +11,7 @@ * NON INFRINGEMENT. See the GNU General Public License for * more details. * - * Do not include directly; use <asm/atomic.h>. + * Do not include directly; use <linux/atomic.h>. */ #ifndef _ASM_TILE_ATOMIC_32_H @@ -21,7 +21,7 @@ #ifndef __ASSEMBLY__ -/* Tile-specific routines to support <asm/atomic.h>. */ +/* Tile-specific routines to support <linux/atomic.h>. */ int _atomic_xchg(atomic_t *v, int n); int _atomic_xchg_add(atomic_t *v, int i); int _atomic_xchg_add_unless(atomic_t *v, int a, int u); @@ -81,18 +81,18 @@ static inline int atomic_add_return(int i, atomic_t *v) } /** - * atomic_add_unless - add unless the number is already a given value + * __atomic_add_unless - add unless the number is already a given value * @v: pointer of type atomic_t * @a: the amount to add to v... * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as @v was not already @u. - * Returns non-zero if @v was not @u, and zero otherwise. + * Returns the old value of @v. */ -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) { smp_mb(); /* barrier for proper semantics */ - return _atomic_xchg_add_unless(v, a, u) != u; + return _atomic_xchg_add_unless(v, a, u); } /** @@ -199,7 +199,7 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v) * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as @v was not already @u. - * Returns non-zero if @v was not @u, and zero otherwise. + * Returns the old value of @v. */ static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u) { |