linux-kernel - Re: [PATCH] drm/doc: Custom Kconfig for KUnit is no longer needed

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Message-ID: <20220907171201.GA4529@elementary>
Date:   Wed, 7 Sep 2022 19:12:01 +0200
From:   José Expósito <jose.exposito89@...il.com>
To:     Michał Winiarski <michal.winiarski@...el.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Maxime Ripard <mripard@...nel.org>,
        David Gow <davidgow@...gle.com>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH] drm/doc: Custom Kconfig for KUnit is no longer needed

Hi Michał,

On Mon, Sep 05, 2022 at 08:47:11PM +0200, Michał Winiarski wrote:
> When built for UML, KUnit provides virtio/PCI, which means that the
> DMA/IOMEM UML emulation needed by DRM is already present and does not
> need to be manually added with --kconfig_add.
> 
> References: commit 6fc3a8636a7b ("kunit: tool: Enable virtio/PCI by default on UML")
> Signed-off-by: Michał Winiarski <michal.winiarski@...el.com>
> ---
>  Documentation/gpu/drm-internals.rst | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/Documentation/gpu/drm-internals.rst b/Documentation/gpu/drm-internals.rst
> index 5fd20a306718..c264a9587d21 100644
> --- a/Documentation/gpu/drm-internals.rst
> +++ b/Documentation/gpu/drm-internals.rst
> @@ -228,16 +228,11 @@ follows:
>  
>  .. code-block:: bash
>  
> -	$ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm/tests \
> -		--kconfig_add CONFIG_VIRTIO_UML=y \
> -		--kconfig_add CONFIG_UML_PCI_OVER_VIRTIO=y
> +	$ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm/tests
>  
>  .. 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.
> -
>  
>  Legacy Support Code
>  ===================
> -- 
> 2.37.3
> 

Thanks for the patch. This was in my ToDo list and I was waiting until
6fc3a8636a7b was merged in the DRM tree, but since you already fixed it
I can mark it as done.

Thanks!