No need to send VHOST_SET_VRING_CALL to backend before the negotiation with the guest is finished.
Signed-off-by: Marcel Apfelbaum <mar...@redhat.com> --- hw/virtio/vhost.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 2712c6f..b448542 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -875,24 +875,13 @@ static void vhost_eventfd_del(MemoryListener *listener, static int vhost_virtqueue_init(struct vhost_dev *dev, struct vhost_virtqueue *vq, int n) { - struct vhost_vring_file file = { - .index = n, - }; int r = event_notifier_init(&vq->masked_notifier, 0); + if (r < 0) { return r; } - file.fd = event_notifier_get_fd(&vq->masked_notifier); - r = dev->vhost_ops->vhost_call(dev, VHOST_SET_VRING_CALL, &file); - if (r) { - r = -errno; - goto fail_call; - } return 0; -fail_call: - event_notifier_cleanup(&vq->masked_notifier); - return r; } static void vhost_virtqueue_cleanup(struct vhost_virtqueue *vq) -- 2.1.0