Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <5a6d0a34-9815-2de6-f5a1-9f41e6c14033@linux.ibm.com>
Date:   Tue, 6 Sep 2022 14:22:15 -0400
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101
 Thunderbird/91.11.0
Subject: Re: [PATCH v3 0/2] s390/vfio-ap: fix two problems discovered in the
 vfio_ap driver
Content-Language: en-US
From:   Anthony Krowiak <akrowiak@linux.ibm.com>
To:     linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org
Cc:     jjherne@linux.ibm.com, borntraeger@de.ibm.com, cohuck@redhat.com,
        mjrosato@linux.ibm.com, pasic@linux.ibm.com,
        alex.williamson@redhat.com
References: <20220823150643.427737-1-akrowiak@linux.ibm.com>
In-Reply-To: <20220823150643.427737-1-akrowiak@linux.ibm.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk

PING!

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(-)
>