[src/trunk]: src/sys/arch/xen/xen Initialize mutex before use. Lets me boot a...

[cegger <cegger%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2deb66cc29f3
branches:  trunk
changeset: 769747:2deb66cc29f3
user:      cegger <cegger%NetBSD.org@localhost>
date:      Wed Sep 21 15:26:47 2011 +0000

description:
Initialize mutex before use. Lets me boot a dom0 kernel again
without a lockdebug panic.

diffstat:

 sys/arch/xen/xen/evtchn.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r 1fc4b0486614 -r 2deb66cc29f3 sys/arch/xen/xen/evtchn.c
--- a/sys/arch/xen/xen/evtchn.c Wed Sep 21 14:38:51 2011 +0000
+++ b/sys/arch/xen/xen/evtchn.c Wed Sep 21 15:26:47 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: evtchn.c,v 1.54 2011/09/20 00:12:24 jym Exp $  */
+/*     $NetBSD: evtchn.c,v 1.55 2011/09/21 15:26:47 cegger Exp $       */
 
 /*
  * Copyright (c) 2006 Manuel Bouyer.
@@ -54,7 +54,7 @@
 
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: evtchn.c,v 1.54 2011/09/20 00:12:24 jym Exp $");
+__KERNEL_RCSID(0, "$NetBSD: evtchn.c,v 1.55 2011/09/21 15:26:47 cegger Exp $");
 
 #include "opt_xen.h"
 #include "isa.h"
@@ -179,6 +179,7 @@
 void
 events_init(void)
 {
+       mutex_init(&evtchn_lock, MUTEX_DEFAULT, IPL_NONE);
        debug_port = bind_virq_to_evtch(VIRQ_DEBUG);
 
        KASSERT(debug_port != -1);