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

[Maxime Ripard <maxime@cerno.tech>]

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On Thu, Sep 01, 2022 at 04:49:09PM +0200, Michał Winiarski wrote:
> On Thu, Sep 01, 2022 at 04:02:53PM +0200, Maxime Ripard wrote:
> > 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@intel.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?
> 
> We don't. I wasn't aware that 6fc3a8636a7b exists and had this one in my tree
> prior to 6.0.
> (well... technically we do need those other symbols and don't need VIRTIO, but
> since CONFIG_UML_PCI_OVER_VIRTIO pull in those two, it also works).
> Since docs were not updated, I didn't see any conflicts when rebasing.
> 
> Sorry for the noise, please ignore this patch.

I mean, the doc still isn't up to date, so please send that part of the
patch :)

Maxime

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