[PATCH v2 12/15] virtio_blk: enable VQs early

Cornelia Huck
Mon, 06 Oct 2014 15:42:34 -0000

On Mon, 6 Oct 2014 18:11:22 +0300
"Michael S. Tsirkin" <mst at redhat.com> wrote:

> virtio spec requires drivers to set DRIVER_OK before using VQs.
> This is set automatically after probe returns, virtio block violated this
> rule by calling add_disk, which causes the VQ to be used directly within
> probe.
>
> To fix, call virtio_enable_vqs_early before using VQs.
>
> Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> ---
>  drivers/block/virtio_blk.c | 2 ++
>  1 file changed, 2 insertions(+)

Reviewed-by: Cornelia Huck <cornelia.huck at de.ibm.com>