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| author | Peter Zijlstra <peterz@infradead.org> | 2014-04-23 21:46:23 +0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-27 15:06:23 +0300 |
| commit | d0b7eb6ff2985c9350fdb297fa5727c35324d4df (patch) | |
| tree | ea8e616cd869c3d7a830e5f4bb6ccf6f6fdef7d5 | |
| parent | aebea9359623b58b54242e5daa24e09d6104977b (diff) | |
| download | linux-d0b7eb6ff2985c9350fdb297fa5727c35324d4df.tar.xz | |
powerpc: 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.
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/powerpc/include/asm/atomic.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index 512d2782b043..6ca89e2aca15 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -67,6 +67,12 @@ static __inline__ int atomic_##op##_return(int a, atomic_t *v) \ ATOMIC_OPS(add, add) ATOMIC_OPS(sub, subf) +#define CONFIG_ARCH_HAS_ATOMIC_OR + +ATOMIC_OP(and, and) +ATOMIC_OP(or, or) +ATOMIC_OP(xor, xor) + #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN #undef ATOMIC_OP @@ -304,6 +310,9 @@ static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \ ATOMIC64_OPS(add, add) ATOMIC64_OPS(sub, subf) +ATOMIC64_OP(and, and) +ATOMIC64_OP(or, or) +ATOMIC64_OP(xor, xor) #undef ATOMIC64_OPS #undef ATOMIC64_OP_RETURN |