On Wed, May 18, 2011 at 01:57:37PM +0800, Jason Wang wrote: > Current vm_running was not explicitly initialized and its value was changed by > vm state notifier, this may confuse the virtio device being hotplugged such as > virtio-net with vhost backend as it may think the vm was not running. Solve > this > by initialize this value explicitly in virtio_common_init(). > > Signed-off-by: Jason Wang <jasow...@redhat.com>
I think a slightly cleaner way would be to invoke virtio_vmstate_change after it is registered, have that update the vm_running field. > --- > 0 files changed, 0 insertions(+), 0 deletions(-) > > diff --git a/hw/virtio.c b/hw/virtio.c > index 6e8814c..27d7e50 100644 > --- a/hw/virtio.c > +++ b/hw/virtio.c > @@ -789,6 +789,7 @@ VirtIODevice *virtio_common_init(const char *name, > uint16_t device_id, > vdev->queue_sel = 0; > vdev->config_vector = VIRTIO_NO_VECTOR; > vdev->vq = qemu_mallocz(sizeof(VirtQueue) * VIRTIO_PCI_QUEUE_MAX); > + vdev->vm_running = vm_running; > for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) { > vdev->vq[i].vector = VIRTIO_NO_VECTOR; > vdev->vq[i].vdev = vdev;