On Thu, Nov 12, 2020 at 05:19:05PM -0600, Mike Christie wrote:
> diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
> index d229515..9eeb8c7 100644
> --- a/drivers/vhost/vhost.c
> +++ b/drivers/vhost/vhost.c
> @@ -187,13 +187,15 @@ void vhost_work_init(struct vhost_work *work, vhost_work_fn_t fn)
>
> /* Init poll structure */
> void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn,
> - __poll_t mask, struct vhost_dev *dev)
> + __poll_t mask, struct vhost_dev *dev,
> + struct vhost_virtqueue *vq)
> {
> init_waitqueue_func_entry(&poll->wait, vhost_poll_wakeup);
> init_poll_funcptr(&poll->table, vhost_poll_func);
> poll->mask = mask;
> poll->dev = dev;
> poll->wqh = NULL;
> + poll->vq = vq;
>
> vhost_work_init(&poll->work, fn);
> }
Tying the poll mechanism to vqs rather than directly to vhost_worker
seems okay for now, but it might be necessary to change this later if
drivers want more flexibility about poll something that's not tied to a
vq or that uses worker 0.
Stefan
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