Re: [PATCH v2 6/6] s390/vfio-ap: do not reset queue removed from host config

From: Halil Pasic
Date: Thu Jan 11 2024 - 09:18:16 EST


On Tue, 12 Dec 2023 16:25:17 -0500
Tony Krowiak <akrowiak@xxxxxxxxxxxxx> wrote:

> When a queue is unbound from the vfio_ap device driver, it is reset to
> ensure its crypto data is not leaked when it is bound to another device
> driver. If the queue is unbound due to the fact that the adapter or domain
> was removed from the host's AP configuration, then attempting to reset it
> will fail with response code 01 (APID not valid) getting returned from the
> reset command. Let's ensure that the queue is assigned to the host's
> configuration before resetting it.
>
> Signed-off-by: Tony Krowiak <akrowiak@xxxxxxxxxxxxx>

Reviewed-by: Halil Pasic <pasic@xxxxxxxxxxxxx>