From 61102796612a867d85ee4b3c5a660e1f4b1c2766 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 16 Jan 2019 09:04:02 -0700 Subject: Update barriers for x86/x86-64 Signed-off-by: Jens Axboe --- src/barrier.h | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'src') diff --git a/src/barrier.h b/src/barrier.h index 2076c1c..ef00f67 100644 --- a/src/barrier.h +++ b/src/barrier.h @@ -1,12 +1,9 @@ #ifndef LIBURING_BARRIER_H #define LIBURING_BARRIER_H -#if defined(__x86_64) -#define read_barrier() __asm__ __volatile__("lfence":::"memory") -#define write_barrier() __asm__ __volatile__("sfence":::"memory") -#elif defined(__i386__) -#define read_barrier() __asm__ __volatile__("": : :"memory") -#define write_barrier() __asm__ __volatile__("": : :"memory") +#if defined(__x86_64) || defined(__i386__) +#define read_barrier() __asm__ __volatile__("":::"memory") +#define write_barrier() __asm__ __volatile__("":::"memory") #else /* * Add arch appropriate definitions. Be safe and use full barriers for -- cgit