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) <pet...@infradead.org>
---
 arch/hexagon/include/asm/atomic.h |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/arch/hexagon/include/asm/atomic.h
+++ b/arch/hexagon/include/asm/atomic.h
@@ -132,6 +132,12 @@ static inline int atomic_##op##_return(i
 ATOMIC_OPS(add)
 ATOMIC_OPS(sub)
 
+#define CONFIG_ARCH_HAS_ATOMIC_OR
+
+ATOMIC_OP(and)
+ATOMIC_OP(or)
+ATOMIC_OP(xor)
+
 #undef ATOMIC_OPS
 #undef ATOMIC_OP_RETURN
 #undef ATOMIC_OP


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