Linux 2.6.25.3
[linux/fpc-iii.git] / arch / um / include / sysdep-x86_64 / barrier.h
blob7b610befdc8f3521bd13c598034847fc1d680616
1 #ifndef __SYSDEP_X86_64_BARRIER_H
2 #define __SYSDEP_X86_64_BARRIER_H
4 /* Copied from include/asm-x86_64 for use by userspace. */
5 #define mb() asm volatile("mfence":::"memory")
7 #endif