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[linux-2.6-omap-h63xx.git] / arch / um / include / sysdep-i386 / barrier.h
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