blob: 229c83fe77cb29d97c9136f1728316b1ca48cec6 (
plain) (
tree)
|
|
#ifndef __BARRIER_H
#define __BARRIER_H
#define mb() \
__asm__ __volatile__("mb": : :"memory")
#define rmb() \
__asm__ __volatile__("mb": : :"memory")
#define wmb() \
__asm__ __volatile__("wmb": : :"memory")
#define read_barrier_depends() \
__asm__ __volatile__("mb": : :"memory")
#ifdef CONFIG_SMP
#define smp_mb() mb()
#define smp_rmb() rmb()
#define smp_wmb() wmb()
#define smp_read_barrier_depends() read_barrier_depends()
#else
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
#define smp_read_barrier_depends() barrier()
#endif
#define set_mb(var, value) \
do { var = value; mb(); } while (0)
#define set_wmb(var, value) \
do { var = value; wmb(); } while (0)
#endif /* __BARRIER_H */
|
