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Date:   Wed, 16 Dec 2020 15:00:45 -0500
From:   Tony Krowiak <>
To:     Halil Pasic <>
Subject: Re: [PATCH v12 09/17] s390/vfio-ap: sysfs attribute to display the
 guest's matrix

Thanks for the review.

On 11/28/20 7:49 PM, Halil Pasic wrote:
> On Tue, 24 Nov 2020 16:40:08 -0500
> Tony Krowiak <> wrote:
>> The matrix of adapters and domains configured in a guest's APCB may
>> differ from the matrix of adapters and domains assigned to the matrix mdev,
>> so this patch introduces a sysfs attribute to display the matrix of
>> adapters and domains that are or will be assigned to the APCB of a guest
>> that is or will be using the matrix mdev. For a matrix mdev denoted by
>> $uuid, the guest matrix can be displayed as follows:
>>     cat /sys/devices/vfio_ap/matrix/$uuid/guest_matrix
>> Signed-off-by: Tony Krowiak <>
> Code looks good, but it may be a little early, since the treatment of
> guset_matrix is changed by the following patches.

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