linux-kernel - Re: [PATCH 0/5] xen: cleanup detection of non-essential pv devices

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Date:   Fri, 22 Oct 2021 09:24:38 +0200
From:   Jan Beulich <jbeulich@...e.com>
To:     Juergen Gross <jgross@...e.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        xen-devel@...ts.xenproject.org, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-fbdev@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 0/5] xen: cleanup detection of non-essential pv devices

On 22.10.2021 08:47, Juergen Gross wrote:
> Today the non-essential pv devices are hard coded in the xenbus driver
> and this list is lacking multiple entries.
> 
> This series reworks the detection logic of non-essential devices by
> adding a flag for that purpose to struct xenbus_driver.

I'm wondering whether it wouldn't better be the other way around: The
(hopefully few) essential ones get flagged, thus also making it more
prominent during patch review that a flag gets added (and justification
provided), instead of having to spot the lack of a flag getting set.

Jan