ia64: 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>
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@ -45,8 +45,6 @@ ia64_atomic_##op (int i, atomic_t *v) \
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ATOMIC_OP(add, +)
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ATOMIC_OP(sub, -)
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#undef ATOMIC_OP
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#define atomic_add_return(i,v) \
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({ \
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int __ia64_aar_i = (i); \
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@ -71,6 +69,18 @@ ATOMIC_OP(sub, -)
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: ia64_atomic_sub(__ia64_asr_i, v); \
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})
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#define CONFIG_ARCH_HAS_ATOMIC_OR
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ATOMIC_OP(and, &)
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ATOMIC_OP(or, |)
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ATOMIC_OP(xor, ^)
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#define atomic_and(i,v) (void)ia64_atomic_and(i,v)
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#define atomic_or(i,v) (void)ia64_atomic_or(i,v)
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#define atomic_xor(i,v) (void)ia64_atomic_xor(i,v)
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#undef ATOMIC_OP
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#define ATOMIC64_OP(op, c_op) \
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static __inline__ long \
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ia64_atomic64_##op (__s64 i, atomic64_t *v) \
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@ -89,8 +99,6 @@ ia64_atomic64_##op (__s64 i, atomic64_t *v) \
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ATOMIC64_OP(add, +)
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ATOMIC64_OP(sub, -)
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#undef ATOMIC64_OP
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#define atomic64_add_return(i,v) \
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({ \
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long __ia64_aar_i = (i); \
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@ -115,6 +123,16 @@ ATOMIC64_OP(sub, -)
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: ia64_atomic64_sub(__ia64_asr_i, v); \
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})
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ATOMIC64_OP(and, &)
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ATOMIC64_OP(or, |)
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ATOMIC64_OP(xor, ^)
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#define atomic64_and(i,v) (void)ia64_atomic64_and(i,v)
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#define atomic64_or(i,v) (void)ia64_atomic64_or(i,v)
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#define atomic64_xor(i,v) (void)ia64_atomic64_xor(i,v)
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#undef ATOMIC64_OP
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#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new))
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#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
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