On Tue, Jan 11, 2022 at 09:22:17AM +0200, Eli Cohen wrote:
> Call reset using the wrapper function vdpa_reset() to make sure the
> operation is serialized with cf_mutex.
>
> Signed-off-by: Eli Cohen <[email protected]>
The motivation is vague here, this does not really explain.
Which operations are we trying to serialize?
Multiple reset requests from userspace?
Is anything broken right now without this patch?
> ---
> drivers/vhost/vdpa.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index 6e7edaf2472b..fe0bbea4dab6 100644
> --- a/drivers/vhost/vdpa.c
> +++ b/drivers/vhost/vdpa.c
> @@ -155,7 +155,6 @@ static long vhost_vdpa_get_status(struct vhost_vdpa *v,
> u8 __user *statusp)
> static long vhost_vdpa_set_status(struct vhost_vdpa *v, u8 __user *statusp)
> {
> struct vdpa_device *vdpa = v->vdpa;
> - const struct vdpa_config_ops *ops = vdpa->config;
> u8 status, status_old;
> int ret, nvqs = v->nvqs;
> u16 i;
> @@ -177,7 +176,7 @@ static long vhost_vdpa_set_status(struct vhost_vdpa *v,
> u8 __user *statusp)
> vhost_vdpa_unsetup_vq_irq(v, i);
>
> if (status == 0) {
> - ret = ops->reset(vdpa);
> + ret = vdpa_reset(vdpa);
> if (ret)
> return ret;
> } else
> --
> 2.34.1
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