diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2014-04-23 21:47:25 +0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-27 15:06:23 +0300 |
| commit | aebea9359623b58b54242e5daa24e09d6104977b (patch) | |
| tree | 2a78f36a9be0d5d5a66b1dac049ef63ff6a5cd93 /arch/parisc | |
| parent | ddb7573ff68964e7b3b72eeb9cde1384c4c6ba83 (diff) | |
| download | linux-aebea9359623b58b54242e5daa24e09d6104977b.tar.xz | |
parisc: Provide atomic_{or,xor,and}
Implement atomic logic ops -- atomic_{or,xor,and}.
These will replace the atomic_{set,clear}_mask functions that are
available on some archs.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/include/asm/atomic.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index 226f8ca993f6..be2c50ddebd6 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -126,6 +126,12 @@ static __inline__ int atomic_##op##_return(int i, atomic_t *v) \ ATOMIC_OPS(add, +=) ATOMIC_OPS(sub, -=) +#define CONFIG_ARCH_HAS_ATOMIC_OR + +ATOMIC_OP(and, &=) +ATOMIC_OP(or, |=) +ATOMIC_OP(xor, ^=) + #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN #undef ATOMIC_OP @@ -185,6 +191,9 @@ static __inline__ s64 atomic64_##op##_return(s64 i, atomic64_t *v) \ ATOMIC64_OPS(add, +=) ATOMIC64_OPS(sub, -=) +ATOMIC64_OP(and, &=) +ATOMIC64_OP(or, |=) +ATOMIC64_OP(xor, ^=) #undef ATOMIC64_OPS #undef ATOMIC64_OP_RETURN |