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arm64: Provide atomic_{or,xor,and}

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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>
This commit is contained in:
Peter Zijlstra
2014-04-23 20:03:13 +02:00
committed by Thomas Gleixner
parent 125897908c
commit 22288b40e2
1 changed files with 15 additions and 0 deletions
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15
arch/arm64/include/asm/atomic.h
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@@ -85,6 +85,14 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add, add)
ATOMIC_OPS(sub, sub)
#define CONFIG_ARCH_HAS_ATOMIC_OR
#define atomic_andnot atomic_andnot
ATOMIC_OP(and, and)
ATOMIC_OP(andnot, bic)
ATOMIC_OP(or, orr)
ATOMIC_OP(xor, eor)
#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
@@ -183,6 +191,13 @@ static inline long atomic64_##op##_return(long i, atomic64_t *v) \
ATOMIC64_OPS(add, add)
ATOMIC64_OPS(sub, sub)
#define atomic64_andnot atomic64_andnot
ATOMIC64_OP(and, and)
ATOMIC64_OP(andnot, bic)
ATOMIC64_OP(or, orr)
ATOMIC64_OP(xor, eor)
#undef ATOMIC64_OPS
#undef ATOMIC64_OP_RETURN
#undef ATOMIC64_OP