Re: [PATCH v3 0/2] s390/vfio-ap: fix two problems discovered in the vfio_ap driver

[Anthony Krowiak]

These two patches fix a couple of bugs in the vfio_ap driver code, it 
would be nice to get some r-b action so we can merge these fixes ASAP. 
Thanks.

On 8/23/22 11:06 AM, Tony Krowiak wrote:
> Two problems have been discovered with the vfio_ap device driver since the
> hot plug support was recently introduced:
>
> 1. Attempting to remove a matrix mdev after assigning a duplicate adapter
>     or duplicate domain results in a hang.
>
> 2. The queues associated with an adapter or domain being unassigned from
>     the matrix mdev do not get unlinked from it.
>
> Two patches are provided to resolve these problems.
>
> Change log v2 => v3:
> --------------------
> * Replaced the wrong commit IDs in the 'Fixes' tags in both patches.
>    (Halil and Alexander)
>
> * Changed the subject line and description of patch 01/02 to better reflect the
>    code changes in the patch. (Halil)
>
> Tony Krowiak (2):
>    s390/vfio-ap: bypass unnecessary processing of AP resources
>    s390/vfio-ap: fix unlinking of queues from the mdev
>
>   drivers/s390/crypto/vfio_ap_ops.c | 36 +++++++++++++++++++++++++++----
>   1 file changed, 32 insertions(+), 4 deletions(-)