Merge branch 'github-issue-947' of https://github.com/vincentkfu/fio

[fio.git] / arch / arch-x86_64.h

diff --git a/arch/arch-x86_64.h b/arch/arch-x86_64.h
index 484ea0c5b8eb82ba892a1676b100131bf13a8635..25850f90e7dca51f9f6f597c793948c2ccf24753 100644 (file)
--- a/arch/arch-x86_64.h
+++ b/arch/arch-x86_64.h
@@ -17,8 +17,8 @@ static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
 #define        FIO_HUGE_PAGE           2097152
 
 #define nop            __asm__ __volatile__("rep;nop": : :"memory")
-#define read_barrier() __asm__ __volatile__("lfence":::"memory")
-#define write_barrier()        __asm__ __volatile__("sfence":::"memory")
+#define read_barrier() __asm__ __volatile__("":::"memory")
+#define write_barrier()        __asm__ __volatile__("":::"memory")
 
 static inline unsigned long arch_ffz(unsigned long bitmask)
 {