| Jeff Dike | 53b1733 | 2006-11-02 22:07:22 -0800 | [diff] [blame] | 1 | #ifndef __SYSDEP_X86_64_BARRIER_H |
| 2 | #define __SYSDEP_X86_64_BARRIER_H | ||||
| 3 | |||||
| 4 | /* Copied from include/asm-x86_64 for use by userspace. */ | ||||
| 5 | #define mb() asm volatile("mfence":::"memory") | ||||
| 6 | |||||
| 7 | #endif | ||||