[RFC][PATCH 14/24] parisc: Provide atomic_{or,xor,and}

From: Peter Zijlstra
Date: Thu Jul 09 2015 - 13:57:21 EST


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@xxxxxxxxxxxxx>
---
arch/parisc/include/asm/atomic.h | 6 ++++++
1 file changed, 6 insertions(+)

--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -125,6 +125,9 @@ static __inline__ int atomic_##op##_retu

ATOMIC_OPS(add, +=)
ATOMIC_OPS(sub, -=)
+ATOMIC_OP(and, &=)
+ATOMIC_OP(or, |=)
+ATOMIC_OP(xor, ^=)

#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
@@ -185,6 +188,9 @@ static __inline__ s64 atomic64_##op##_re

ATOMIC64_OPS(add, +=)
ATOMIC64_OPS(sub, -=)
+ATOMIC64_OP(and, &=)
+ATOMIC64_OP(or, |=)
+ATOMIC64_OP(xor, ^=)

#undef ATOMIC64_OPS
#undef ATOMIC64_OP_RETURN


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