Re: [RFC PATCH 08/27] vhost: Add a flag for software assisted Live Migration

@@ -1571,6 +1577,13 @@ void vhost_dev_disable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev)
     BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
     int i, r;
 
+    if (hdev->sw_lm_enabled) {
+        /* We've been called after migration is completed, so no need to
+           disable it again
+        */
+        return;
+    }
+
     for (i = 0; i < hdev->nvqs; ++i) {
         r = virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), hdev->vq_index + i,
                                          false);