s390: more efficient smp barriers

[cascardo/linux.git] / arch / s390 / include / asm / barrier.h

diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
index 4d26fa4..5c8db3c 100644 (file)
--- a/arch/s390/include/asm/barrier.h
+++ b/arch/s390/include/asm/barrier.h
@@ -45,6 +45,9 @@ do {                                                                  \
        ___p1;                                                          \
 })
 
+#define __smp_mb__before_atomic()      barrier()
+#define __smp_mb__after_atomic()       barrier()
+
 #include <asm-generic/barrier.h>
 
 #endif /* __ASM_BARRIER_H */