xen/ioemu-watchdog-ib700-timer.patch

Subject: qdev: convert watchdogs
From: Markus Armbruster armbru@redhat.com Fri Aug 21 10:31:34 2009 +0200
Date: Thu Aug 27 20:35:24 2009 -0500:
Git: 09aaa1602f9381c0e0fb539390b1793e51bdfc7b

* THIS IS ONLY THE BUG FIX PART OF THE UPSTREAM PATCH *

Fixes ib700 not to use vm_clock before it is initialized: in
wdt_ib700_init(), called from register_watchdogs(), which runs before
init_timers().  The bug made ib700_write_enable_reg() crash in
qemu_del_timer().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Index: xen-4.1.2-testing/tools/ioemu-qemu-xen/hw/wdt_ib700.c
===================================================================
--- xen-4.1.2-testing.orig/tools/ioemu-qemu-xen/hw/wdt_ib700.c
+++ xen-4.1.2-testing/tools/ioemu-qemu-xen/hw/wdt_ib700.c
@@ -93,6 +93,7 @@ static int ib700_load(QEMUFile *f, void
 /* Create and initialize a virtual IB700 during PC creation. */
 static void ib700_pc_init(PCIBus *unused)
 {
+    timer = qemu_new_timer(vm_clock, ib700_timer_expired, NULL);
     register_savevm("ib700_wdt", -1, 0, ib700_save, ib700_load, NULL);
 
     register_ioport_write(0x441, 2, 1, ib700_write_disable_reg, NULL);
@@ -108,5 +109,4 @@ static WatchdogTimerModel model = {
 void wdt_ib700_init(void)
 {
     watchdog_add_model(&model);
-    timer = qemu_new_timer(vm_clock, ib700_timer_expired, NULL);
 }