Commit d0b7eb6f authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Thomas Gleixner

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: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent aebea935
...@@ -67,6 +67,12 @@ static __inline__ int atomic_##op##_return(int a, atomic_t *v) \ ...@@ -67,6 +67,12 @@ static __inline__ int atomic_##op##_return(int a, atomic_t *v) \
ATOMIC_OPS(add, add) ATOMIC_OPS(add, add)
ATOMIC_OPS(sub, subf) 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_OPS
#undef ATOMIC_OP_RETURN #undef ATOMIC_OP_RETURN
#undef ATOMIC_OP #undef ATOMIC_OP
...@@ -304,6 +310,9 @@ static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \ ...@@ -304,6 +310,9 @@ static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \
ATOMIC64_OPS(add, add) ATOMIC64_OPS(add, add)
ATOMIC64_OPS(sub, subf) ATOMIC64_OPS(sub, subf)
ATOMIC64_OP(and, and)
ATOMIC64_OP(or, or)
ATOMIC64_OP(xor, xor)
#undef ATOMIC64_OPS #undef ATOMIC64_OPS
#undef ATOMIC64_OP_RETURN #undef ATOMIC64_OP_RETURN
......
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