[Qemu-devel] [PATCH 1/2] add qemu_unregister_suspend_notifier

[Gerd Hoffmann <kraxel@redhat.com>]

Allow to unregister suspend notifiers.  Needed when hot-unplugging
devices.  No in-tree user (yet), but qemu-kvm needs it for pci device
assignment.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 sysemu.h |    1 +
 vl.c     |    5 +++++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/sysemu.h b/sysemu.h
index 98118cc..ef604aa 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -47,6 +47,7 @@ typedef enum WakeupReason {
 void qemu_system_reset_request(void);
 void qemu_system_suspend_request(void);
 void qemu_register_suspend_notifier(Notifier *notifier);
+void qemu_unregister_suspend_notifier(Notifier *notifier);
 void qemu_system_wakeup_request(WakeupReason reason);
 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
 void qemu_register_wakeup_notifier(Notifier *notifier);
diff --git a/vl.c b/vl.c
index 97ab2b9..06658a8 100644
--- a/vl.c
+++ b/vl.c
@@ -1436,6 +1436,11 @@ void qemu_register_suspend_notifier(Notifier *notifier)
     notifier_list_add(&suspend_notifiers, notifier);
 }
 
+void qemu_unregister_suspend_notifier(Notifier *notifier)
+{
+    notifier_list_remove(&suspend_notifiers, notifier);
+}
+
 void qemu_system_wakeup_request(WakeupReason reason)
 {
     if (!is_suspended) {
-- 
1.7.1