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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[linux-2.6] / arch / um / sys-x86_64 / shared / sysdep / 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
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