| 12345678910111213141516 |
- #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) */
|
