| Jeff Dike | 53b1733 | 2006-11-02 22:07:22 -0800 | [diff] [blame^] | 1 | #ifndef __SYSDEP_I386_BARRIER_H |
| 2 | #define __SYSDEP_I386_BARRIER_H | ||||
| 3 | |||||
| 4 | /* Copied from include/asm-i386 for use by userspace. i386 has the option | ||||
| 5 | * of using mfence, but I'm just using this, which works everywhere, for now. | ||||
| 6 | */ | ||||
| 7 | #define mb() asm volatile("lock; addl $0,0(%esp)") | ||||
| 8 | |||||
| 9 | #endif | ||||