| David Howells | d550bbd | 2012-03-28 18:30:03 +0100 | [diff] [blame] | 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) */ |