X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Farch-ppc.h;h=061153873131db5964ca650a6d255e72b8035866;hb=8954110682922232b8bccfe2b7e734d04ce71b96;hp=0a23c01a56d2c07325930c433e50c6dded20d949;hpb=b12ebc65e82de1cc6174b65c79266dd0f0a4fbf3;p=fio.git

diff --git a/arch/arch-ppc.h b/arch/arch-ppc.h
index 0a23c01a..06115387 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
+
+#define write_barrier()	__asm__ __volatile__ ("sync" : : : "memory")
+
 static inline int __ilog2(unsigned long bitmask)
 {
 	int lz;
@@ -28,11 +36,12 @@ static inline int __ilog2(unsigned long bitmask)
 	return 31 - lz;
 }
 
-static inline int fio_ffz(unsigned long bitmask)
+static inline int arch_ffz(unsigned long bitmask)
 {
 	if ((bitmask = ~bitmask) == 0)
 		return 32;
 	return  __ilog2(bitmask & -bitmask);
 }
+#define ARCH_HAVE_FFZ
 
 #endif