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-rw-r--r--arch/um/include/sysdep-i386/barrier.h9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/um/include/sysdep-i386/barrier.h b/arch/um/include/sysdep-i386/barrier.h
deleted file mode 100644
index b58d52c5b2f..00000000000
--- a/arch/um/include/sysdep-i386/barrier.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef __SYSDEP_I386_BARRIER_H
-#define __SYSDEP_I386_BARRIER_H
-
-/* Copied from include/asm-i386 for use by userspace. i386 has the option
- * of using mfence, but I'm just using this, which works everywhere, for now.
- */
-#define mb() asm volatile("lock; addl $0,0(%esp)")
-
-#endif