On Wed, Nov 25, 2015 at 1:42 PM, Michael S. Tsirkin <m...@redhat.com> wrote:
> This reverts commit 3a12f32229a046f4d4ab0a3a52fb01d2d5a1ab76.
>
> In case of live migration several queues can be enabled and not only the
> first one. So informing backend that only the first queue is enabled is
> wrong.
>
> Reported-by: Thibaut Collet <thibaut.col...@6wind.com>
> Cc: Yuanhan Liu <yuanhan....@linux.intel.com>
> Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
> ---
> hw/virtio/vhost.c | 9 ---------
> 1 file changed, 9 deletions(-)
>
> diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
> index 1794f0d..de29968 100644
> --- a/hw/virtio/vhost.c
> +++ b/hw/virtio/vhost.c
> @@ -1226,11 +1226,6 @@ int vhost_dev_start(struct vhost_dev *hdev,
> VirtIODevice *vdev)
> }
> }
>
> - if (hdev->vhost_ops->vhost_set_vring_enable) {
> - /* only enable first vq pair by default */
> - hdev->vhost_ops->vhost_set_vring_enable(hdev, hdev->vq_index == 0);
> - }
> -
> return 0;
> fail_log:
> vhost_log_put(hdev, false);
> @@ -1261,10 +1256,6 @@ void vhost_dev_stop(struct vhost_dev *hdev,
> VirtIODevice *vdev)
> hdev->vq_index + i);
> }
>
> - if (hdev->vhost_ops->vhost_set_vring_enable) {
> - hdev->vhost_ops->vhost_set_vring_enable(hdev, 0);
> - }
> -
> vhost_log_put(hdev, true);
> hdev->started = false;
> hdev->log = NULL;
> --
Ack
> MST
