Re: [PATCH V2 1/3] vhost-vdpa: flush workers on suspend

From: Eugenio Perez Martin
Date: Tue Feb 13 2024 - 10:59:40 EST


On Mon, Feb 12, 2024 at 6:16 PM Steve Sistare <steven.sistare@xxxxxxxxxx> wrote:
>
> Flush to guarantee no workers are running when suspend returns.
>
> Signed-off-by: Steve Sistare <steven.sistare@xxxxxxxxxx>

Acked-by: Eugenio Pérez <eperezma@xxxxxxxxxx>

Should this have a Fixes tag?

> ---
> drivers/vhost/vdpa.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index bc4a51e4638b..a3b986c24805 100644
> --- a/drivers/vhost/vdpa.c
> +++ b/drivers/vhost/vdpa.c
> @@ -594,10 +594,13 @@ static long vhost_vdpa_suspend(struct vhost_vdpa *v)
> struct vdpa_device *vdpa = v->vdpa;
> const struct vdpa_config_ops *ops = vdpa->config;
> int ret;
> + struct vhost_dev *vdev = &v->vdev;
>
> if (!ops->suspend)
> return -EOPNOTSUPP;
>
> + vhost_dev_flush(vdev);
> +
> ret = ops->suspend(vdpa);
> if (!ret)
> v->suspended = true;
> --
> 2.39.3
>