[RFC][PATCH 15/24] powerpc: Provide atomic_{or,xor,and}

Peter Zijlstra
2015-07-09T17:58:27Z

[-- Attachment #1: peterz-powerpc-atomic_logic_ops.patch --]
[-- Type: text/plain, Size: 816 bytes --]

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

--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -66,6 +66,9 @@ static __inline__ int atomic_##op##_retu

ATOMIC_OPS(add, add)
ATOMIC_OPS(sub, subf)
+ATOMIC_OP(and, and)
+ATOMIC_OP(or, or)
+ATOMIC_OP(xor, xor)

#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
@@ -304,6 +307,9 @@ static __inline__ long atomic64_##op##_r

ATOMIC64_OPS(add, add)
ATOMIC64_OPS(sub, subf)
+ATOMIC64_OP(and, and)
+ATOMIC64_OP(or, or)
+ATOMIC64_OP(xor, xor)

#undef ATOMIC64_OPS
#undef ATOMIC64_OP_RETURN