linux-kernel - Re: [PATCH v4 3/3] drm/doc: Add KUnit documentation

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Date:   Tue, 21 Jun 2022 20:15:59 +0200
From:   José Expósito <jose.exposito89@...il.com>
To:     David Gow <davidgow@...gle.com>
Cc:     Javier Martinez Canillas <javierm@...hat.com>,
        Daniel Latypov <dlatypov@...gle.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        maarten.lankhorst@...ux.intel.com,
        Maxime Ripard <mripard@...nel.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Maíra Canal <maira.canal@....br>,
        Isabella Basso <isabbasso@...eup.net>, magalilemes00@...il.com,
        tales.aparecida@...il.com, dri-devel@...ts.freedesktop.org,
        KUnit Development <kunit-dev@...glegroups.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Maxime Ripard <maxime@...no.tech>
Subject: Re: [PATCH v4 3/3] drm/doc: Add KUnit documentation

Hi David,

On Tue, Jun 21, 2022 at 05:38:38PM +0800, David Gow wrote:
> On Tue, Jun 21, 2022 at 12:06 AM José Expósito
> <jose.exposito89@...il.com> wrote:
> >
> > Explain how to run the KUnit tests present in the DRM subsystem and
> > clarify why the UML-only options were not added to the configuration
> > file present in drivers/gpu/drm/.kunitconfig [1] [2].
> >
> > [1] https://lore.kernel.org/dri-devel/CABVgOSn8i=LO5p7830h2XU1Jgg0KrN0qTnxkOMhf1oTgxjaKKw@mail.gmail.com/
> > [2] https://lore.kernel.org/dri-devel/CAGS_qxqpiCim_sy1LDK7PLwVgWf-LKW+uNFTGM=T7ydk-dYcEw@mail.gmail.com/
> >
> > Reviewed-by: Maxime Ripard <maxime@...no.tech>
> > Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>
> > Acked-by: Thomas Zimmermann <tzimmermann@...e.de>
> > Signed-off-by: José Expósito <jose.exposito89@...il.com>
> > ---
> 
> This looks good (and doesn't seem to introduce any 'make htmldocs'
> build issues on my machine).
> 
> You could also mention that using --arch=x86_64 (or similar) instead
> of the UML options is another, equally viable option for running the
> tests. That'd make it more obvious how to run on different
> architectures: UML, while a good default, is quite different to other
> architectures in not having any PCI support out-of-the-box.
> 
> (Maybe we should make the --arch=um default config include these
> options? Or have um-pci as another architecture. We did decide not to
> bother with SMP and x86, though...)

Javier suggested the same:
https://lore.kernel.org/dri-devel/20220614180952.GA7067@elementary/

I prefer to keep the docs as simple as possible and link the KUnit
docs for more information. However, you both have way more experience 
than me and agree on the topic, so I'll be happy to include it in v5
if you think it is a good idea.
 
> Regardless, this is
> Reviewed-by: David Gow <davidgow@...gle.com>

Thanks for reviewing and building the docs, appreciate it.
Jose

> Cheers,
> -- David