Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[sfrench/cifs-2.6.git] / arch / um / include / sysdep-x86_64 / barrier.h
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