diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h
index d9119f43f9aa..918a4894b587 100644
--- a/include/asm-mips/hazards.h
+++ b/include/asm-mips/hazards.h
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2003, 2004 Ralf Baechle <ralf@linux-mips.org>
+ * Copyright (C) 2003, 04, 07 Ralf Baechle <ralf@linux-mips.org>
  * Copyright (C) MIPS Technologies, Inc.
  *   written by Ralf Baechle <ralf@linux-mips.org>
  */
@@ -23,6 +23,11 @@ static inline void name(void)						\
 	__asm__ __volatile__ (#name);					\
 }
 
+/*
+ * MIPS R2 instruction hazard barrier.   Needs to be called as a subroutine.
+ */
+extern void mips_ihb(void);
+
 #endif
 
 ASMMACRO(_ssnop,