barrier_32.h

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#ifndef __SPARC_BARRIER_H
#define __SPARC_BARRIER_H

/* XXX Change this if we ever use a PSO mode kernel. */
#define mb()    __asm__ __volatile__ ("" : : : "memory")
#define rmb()   mb()
#define wmb()   mb()
#define read_barrier_depends()  do { } while(0)
#define set_mb(__var, __value)  do { __var = __value; mb(); } while(0)
#define smp_mb()    __asm__ __volatile__("":::"memory")
#define smp_rmb()   __asm__ __volatile__("":::"memory")
#define smp_wmb()   __asm__ __volatile__("":::"memory")
#define smp_read_barrier_depends()  do { } while(0)

#endif /* !(__SPARC_BARRIER_H) */