Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/arch/ia64/include/lock.h,v
rcsdiff: /ftp/cvs/cvsroot/src/sys/arch/ia64/include/lock.h,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.4
retrieving revision 1.5
diff -u -p -r1.4 -r1.5
--- src/sys/arch/ia64/include/lock.h	2009/07/20 04:41:37	1.4
+++ src/sys/arch/ia64/include/lock.h	2016/08/05 16:59:26	1.5
@@ -1,4 +1,4 @@
-/*	$NetBSD: lock.h,v 1.4 2009/07/20 04:41:37 kiyohara Exp $	*/
+/*	$NetBSD: lock.h,v 1.5 2016/08/05 16:59:26 scole Exp $	*/
 
 /*-
  * Copyright (c) 2000 The NetBSD Foundation, Inc.
@@ -116,4 +116,26 @@ __cpu_simple_unlock(__cpu_simple_lock_t 
 	*lockp = __SIMPLELOCK_UNLOCKED;
 }
 
+/* XXX mf.a overkill for these? */
+static __inline void
+mb_read(void)
+{
+	__asm __volatile("mf.a	\n"
+			 "mf	\n" ::: "memory");
+}
+
+static __inline void
+mb_write(void)
+{
+	__asm __volatile("mf.a	\n"
+			 "mf	\n" ::: "memory");
+}
+
+static __inline void
+mb_memory(void)
+{
+	__asm __volatile("mf.a	\n"
+			 "mf	\n" ::: "memory");
+}
+
 #endif /* _IA64_LOCK_H_ */