X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=arch%2Farch-ppc.h;h=978313196d4c885690d47a7a6a67542b523b6d60;hp=0a23c01a56d2c07325930c433e50c6dded20d949;hb=db6defc77508f5bf217f0a6768d13426eee21119;hpb=c6effc3eb105f74777198ef6ac0f8ea2ba512a9b

diff --git a/arch/arch-ppc.h b/arch/arch-ppc.h
index 0a23c01a..97831319 100644
--- a/arch/arch-ppc.h
+++ b/arch/arch-ppc.h
@@ -20,6 +20,14 @@
 
 #define nop	do { } while (0)
 
+#ifdef __powerpc64__
+#define read_barrier()	\
+	__asm__ __volatile__ ("lwsync" : : : "memory")
+#else
+#define read_barrier()	\
+	__asm__ __volatile__ ("sync" : : : "memory")
+#endif
+
 static inline int __ilog2(unsigned long bitmask)
 {
 	int lz;