1#ifndef __SPARC_BARRIER_H
2#define __SPARC_BARRIER_H
3
4/* XXX Change this if we ever use a PSO mode kernel. */
5#define mb()	__asm__ __volatile__ ("" : : : "memory")
6#define rmb()	mb()
7#define wmb()	mb()
8#define read_barrier_depends()	do { } while(0)
9#define set_mb(__var, __value)  do { __var = __value; mb(); } while(0)
10#define smp_mb()	__asm__ __volatile__("":::"memory")
11#define smp_rmb()	__asm__ __volatile__("":::"memory")
12#define smp_wmb()	__asm__ __volatile__("":::"memory")
13#define smp_read_barrier_depends()	do { } while(0)
14
15#endif /* !(__SPARC_BARRIER_H) */
16