diff --git a/include/asm-um/system-i386.h b/include/asm-um/system-i386.h
new file mode 100644
index 0000000..ea8381d
--- /dev/null
+++ b/include/asm-um/system-i386.h
@@ -0,0 +1,8 @@
+#ifndef __UM_SYSTEM_I386_H
+#define __UM_SYSTEM_I386_H
+
+#include "asm/system-generic.h"
+    
+#define __HAVE_ARCH_CMPXCHG 1
+
+#endif