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authorRich Felker <dalias@aerifal.cx>2014-10-10 18:17:09 -0400
committerRich Felker <dalias@aerifal.cx>2014-10-10 18:17:09 -0400
commit867b1822f30a76cb9c8342da29eb28ed75908fa9 (patch)
tree9c0f489e301ae87ce0296adab65c488d926ac4b9 /arch/powerpc
parent08b996d180323775d5457944eefbb8a51ea72539 (diff)
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add explicit barrier operation to internal atomic.h API
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/atomic.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/atomic.h b/arch/powerpc/atomic.h
index 1c50361e..f706543a 100644
--- a/arch/powerpc/atomic.h
+++ b/arch/powerpc/atomic.h
@@ -78,7 +78,9 @@ static inline void a_store(volatile int *p, int x)
 		: "=m"(*p) : "r"(x) : "memory" );
 }
 
-static inline void a_spin()
+#define a_spin a_barrier
+
+static inline void a_barrier()
 {
 	a_cas(&(int){0}, 0, 0);
 }