diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/sparc/include/asm/barrier_32.h | |
Diffstat (limited to 'arch/sparc/include/asm/barrier_32.h')
| -rw-r--r-- | arch/sparc/include/asm/barrier_32.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/barrier_32.h b/arch/sparc/include/asm/barrier_32.h new file mode 100644 index 00000000..c1b76654 --- /dev/null +++ b/arch/sparc/include/asm/barrier_32.h @@ -0,0 +1,15 @@ +#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) */ |