Message ID | 1334803149-27379-11-git-send-email-zwu.kernel@gmail.com |
---|---|
State | New |
Headers | show |
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c index dcd58d0..025a518 100644 --- a/hw/virtio-pci.c +++ b/hw/virtio-pci.c @@ -293,8 +293,11 @@ static void virtio_pci_queue_notify(VirtIOPCIProxy *proxy, uint32_t n) vq = virtio_get_queue(proxy->vdev, n); notifier = virtio_queue_get_host_notifier(vq); if (event_notifier_valid(notifier)) { + int r; + printf("notifying vq %u host notifier from userspace\n", n); - event_notifier_notify(notifier); + r = event_notifier_notify(notifier); + assert(r == 0); } else { virtio_queue_notify_vq(vq); }