Staging
v0.8.1
https://github.com/torvalds/linux
Raw File
Tip revision: 085b7755808aa11f78ab9377257e1dad2e6fa4bb authored by Linus Torvalds on 21 April 2019, 17:45:57 UTC
Linux 5.1-rc6
Tip revision: 085b775
barrier.h
#ifndef LIBURING_BARRIER_H
#define LIBURING_BARRIER_H

#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
 * archs we don't have support for.
 */
#define read_barrier()	__sync_synchronize()
#define write_barrier()	__sync_synchronize()
#endif

#endif
back to top