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SubjectRe: [PATCH v3 3/3] drm/doc: Add KUnit documentation
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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@redhat.com>

--
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat

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