linux-kernel - Re: [PATCH v18 14/18] s390/vfio-ap: sysfs attribute to display the guest's matrix

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Date:   Tue, 22 Mar 2022 09:22:40 -0400
From:   "Jason J. Herne" <jjherne@...ux.ibm.com>
To:     Tony Krowiak <akrowiak@...ux.ibm.com>, linux-s390@...r.kernel.org,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:     freude@...ux.ibm.com, borntraeger@...ibm.com, cohuck@...hat.com,
        mjrosato@...ux.ibm.com, pasic@...ux.ibm.com,
        alex.williamson@...hat.com, kwankhede@...dia.com,
        fiuczy@...ux.ibm.com
Subject: Re: [PATCH v18 14/18] s390/vfio-ap: sysfs attribute to display the
 guest's matrix

On 2/14/22 19:50, 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
My OCD wants you to name this matrix_guest instead of guest_matrix. Simply
because then "matrix" and "matrix_guest" will be grouped together when doing
an ls on the parent directory. As a system admin, its the little things that
make the difference :) Please consider... though I won't withhold an R-b for
it.

Reviewed-by: Jason J. Herne <jjherne@...ux.ibm.com>

-- 
-- Jason J. Herne (jjherne@...ux.ibm.com)