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This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git]
/
arch
/
um
/
include
/
sysdep-x86_64
/
barrier.h
diff --git a/arch/um/include/sysdep-x86_64/barrier.h
b/arch/um/include/sysdep-x86_64/barrier.h
new file mode 100644
(file)
index 0000000..
7b610be
--- /dev/null
+++ b/
arch/um/include/sysdep-x86_64/barrier.h
@@ -0,0
+1,7
@@
+#ifndef __SYSDEP_X86_64_BARRIER_H
+#define __SYSDEP_X86_64_BARRIER_H
+
+/* Copied from include/asm-x86_64 for use by userspace. */
+#define mb() asm volatile("mfence":::"memory")
+
+#endif