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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>
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@ -67,6 +67,12 @@ static __inline__ int atomic_##op##_return(int a, atomic_t *v) \
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ATOMIC_OPS(add, add)
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ATOMIC_OPS(sub, subf)
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#define CONFIG_ARCH_HAS_ATOMIC_OR
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ATOMIC_OP(and, and)
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ATOMIC_OP(or, or)
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ATOMIC_OP(xor, xor)
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#undef ATOMIC_OPS
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#undef ATOMIC_OP_RETURN
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#undef ATOMIC_OP
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@ -304,6 +310,9 @@ static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \
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ATOMIC64_OPS(add, add)
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ATOMIC64_OPS(sub, subf)
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ATOMIC64_OP(and, and)
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ATOMIC64_OP(or, or)
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ATOMIC64_OP(xor, xor)
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#undef ATOMIC64_OPS
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#undef ATOMIC64_OP_RETURN
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