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Diffstat (limited to 'drivers/xen/manage.c')
-rw-r--r--drivers/xen/manage.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index fc6c94c0b436..32f9236c959f 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -198,10 +198,32 @@ struct shutdown_handler {
void (*cb)(void);
};
+static int poweroff_nb(struct notifier_block *cb, unsigned long code, void *unused)
+{
+ switch (code) {
+ case SYS_DOWN:
+ case SYS_HALT:
+ case SYS_POWER_OFF:
+ shutting_down = SHUTDOWN_POWEROFF;
+ default:
+ break;
+ }
+ return NOTIFY_DONE;
+}
static void do_poweroff(void)
{
- shutting_down = SHUTDOWN_POWEROFF;
- orderly_poweroff(false);
+ switch (system_state) {
+ case SYSTEM_BOOTING:
+ orderly_poweroff(true);
+ break;
+ case SYSTEM_RUNNING:
+ orderly_poweroff(false);
+ break;
+ default:
+ /* Don't do it when we are halting/rebooting. */
+ pr_info("Ignoring Xen toolstack shutdown.\n");
+ break;
+ }
}
static void do_reboot(void)
@@ -307,6 +329,10 @@ static struct xenbus_watch shutdown_watch = {
.callback = shutdown_handler
};
+static struct notifier_block xen_reboot_nb = {
+ .notifier_call = poweroff_nb,
+};
+
static int setup_shutdown_watcher(void)
{
int err;
@@ -317,6 +343,7 @@ static int setup_shutdown_watcher(void)
return err;
}
+
#ifdef CONFIG_MAGIC_SYSRQ
err = register_xenbus_watch(&sysrq_watch);
if (err) {
@@ -345,6 +372,7 @@ int xen_setup_shutdown_event(void)
if (!xen_domain())
return -ENODEV;
register_xenstore_notifier(&xenstore_notifier);
+ register_reboot_notifier(&xen_reboot_nb);
return 0;
}