linux-kernel - Re: [PATCH] drm: Simplify testing on UML with kunit.py

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Date:   Thu, 1 Sep 2022 16:02:53 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Michał Winiarski <michal.winiarski@...el.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org,
        linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        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>, Helge Deller <deller@....de>,
        José Expósito <jose.exposito89@...il.com>
Subject: Re: [PATCH] drm: Simplify testing on UML with kunit.py

Hi,

On Thu, Sep 01, 2022 at 03:36:21PM +0200, Michał Winiarski wrote:
> DRM depends on IOMEM and DMA, introduce an additional Kconfig to pull in
> IOMEM and DMA emulation on UML.
> Since --kconfig_add usage is no longer needed, remove it from
> documentation.
> 
> Signed-off-by: Michał Winiarski <michal.winiarski@...el.com>
> ---
>  Documentation/gpu/drm-internals.rst | 7 +------
>  drivers/video/Kconfig               | 4 ++++
>  2 files changed, 5 insertions(+), 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.
> -

I'm all for removing that part of the documentation, but because
6fc3a8636a7b, in 6.0 should address this entirely? Why would we need
that other symbol?

Maxime

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