TERES/SOFTWARE/A64-TERES/linux-a64/arch/sparc/include/asm/barrier_32.h
Dimitar Gamishev f9b0e7a283 linux
2017-10-13 14:07:04 +03:00

16 lines
566 B
C

#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) */