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Message-ID: <c50e5c87-3198-08b7-1e32-d0959af1f296@redhat.com>
Date:   Tue, 14 Jun 2022 14:58:29 +0200
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     José Expósito <jose.exposito89@...il.com>
Cc:     davidgow@...gle.com, dlatypov@...gle.com, tzimmermann@...e.de,
        maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        airlied@...ux.ie, daniel@...ll.ch, jani.nikula@...ux.intel.com,
        dri-devel@...ts.freedesktop.org, kunit-dev@...glegroups.com,
        linux-kernel@...r.kernel.org, Maxime Ripard <maxime@...no.tech>
Subject: Re: [PATCH v3 3/3] drm/doc: Add KUnit documentation

Hello José,

On 6/13/22 19:17, José Expósito wrote:

[snip]

> +KUnit (Kernel unit testing framework) provides a common framework for unit tests
> +within the Linux kernel.
> +

I think that it will be useful to have a reference to the KUnit kernel doc here,
something like the following:

`KUnit <https://docs.kernel.org/dev-tools/kunit/index.html>`_ (Kernel Unit...

> +This section covers the specifics for the DRM subsystem. For general information
> +about KUnit, please refer to Documentation/dev-tools/kunit/start.rst.
> +
> +How to run the tests?
> +~~~~~~~~~~~~~~~~~~~~~
> +
> +In order to facilitate running the test suite, a configuration file is present
> +in ``drivers/gpu/drm/kunit/.kunitconfig``. It can be used by ``kunit.py`` as
> +follows:
> +
> +.. code-block:: bash
> +
> +	$ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm/kunit \
> +		--kconfig_add CONFIG_VIRTIO_UML=y \
> +		--kconfig_add CONFIG_UML_PCI_OVER_VIRTIO=y
> +
> +.. note::
> +	The configuration included in ``.kunitconfig`` should be as generic as
> +	possible.
> +	``CONFIG_VIRTIO_UML`` and ``CONFIG_UML_PCI_OVER_VIRTIO`` are not
> +	included in it because they are only required for User Mode Linux.
> +
> +

Maybe also add something like this ?

For example, the following command can be used to run the test for x86_64:

	$ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm/kunit \
		--arch=x86_64

Regardless, the patch looks good to me:

Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>

-- 
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat

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