diff options
Diffstat (limited to 'hw/virtio.c')
-rw-r--r-- | hw/virtio.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/virtio.c b/hw/virtio.c index d146f86f13..209c763751 100644 --- a/hw/virtio.c +++ b/hw/virtio.c @@ -1021,13 +1021,16 @@ static void virtio_queue_host_notifier_read(EventNotifier *n) } } -void virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign) +void virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign, + bool set_handler) { - if (assign) { + if (assign && set_handler) { event_notifier_set_handler(&vq->host_notifier, virtio_queue_host_notifier_read); } else { event_notifier_set_handler(&vq->host_notifier, NULL); + } + if (!assign) { /* Test and clear notifier before after disabling event, * in case poll callback didn't have time to run. */ virtio_queue_host_notifier_read(&vq->host_notifier); |