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| author |   Peter Zijlstra <peterz@infradead.org> | 2015-04-24 01:12:32 +0200 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2015-07-27 14:06:24 +0200 |
| commit | de9e432cb5de1bf2952919dc0b22e4bec0ed8d53 (patch) | |
| tree | f67d751e7d52f45279950f2a7594d7a2ff5a0bbd /include/linux/atomic.h | |
| parent | atomic: Provide atomic_{or,xor,and} (diff) | |
| download | linux-dev-de9e432cb5de1bf2952919dc0b22e4bec0ed8d53.tar.xz linux-dev-de9e432cb5de1bf2952919dc0b22e4bec0ed8d53.zip | |
atomic: Collapse all atomic_{set,clear}_mask definitions
Move the now generic definitions of atomic_{set,clear}_mask() into
linux/atomic.h to avoid endless and pointless repetition.
Also, provide an atomic_andnot() wrapper for those few archs that can
implement that.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/atomic.h')
| -rw-r--r-- | include/linux/atomic.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/atomic.h b/include/linux/atomic.h index 7d6279012a1f..8b98b423388f 100644 --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -28,6 +28,23 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #endif +#ifndef atomic_andnot +static inline void atomic_andnot(int i, atomic_t *v) +{ + atomic_and(~i, v); +} +#endif + +static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) +{ + atomic_andnot(mask, v); +} + +static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) +{ + atomic_or(mask, v); +} + /** * atomic_inc_not_zero_hint - increment if not null * @v: pointer of type atomic_t @@ -115,4 +132,12 @@ static inline int atomic_dec_if_positive(atomic_t *v) #ifdef CONFIG_GENERIC_ATOMIC64 #include <asm-generic/atomic64.h> #endif + +#ifndef atomic64_andnot +static inline void atomic64_andnot(long long i, atomic64_t *v) +{ + atomic64_and(~i, v); +} +#endif + #endif /* _LINUX_ATOMIC_H */ |