diff --git a/include/asm-x86/msr.h b/include/asm-x86/msr.h
index 664a2fa7adc9..80b027081b3c 100644
--- a/include/asm-x86/msr.h
+++ b/include/asm-x86/msr.h
@@ -3,6 +3,10 @@
 
 #include <asm/msr-index.h>
 
+#ifndef __ASSEMBLY__
+# include <linux/types.h>
+#endif
+
 #ifdef __i386__
 
 #ifdef __KERNEL__