Update barriers for x86/x86-64
#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__)
+#if defined(__x86_64) || defined(__i386__)
#define read_barrier() __asm__ __volatile__("":::"memory")
#define write_barrier() __asm__ __volatile__("":::"memory")
#else
