linux-kernel - Re: [PATCH -next] gpu: Move DRM buddy allocator one level up

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Message-ID: <CAPM=9tw=jzQxGvVrsUSv14RxQtnaw2rH6K2b3Gxh_UUHnOGTkA@mail.gmail.com>
Date: Fri, 6 Feb 2026 11:48:46 +1000
From: Dave Airlie <airlied@...il.com>
To: Joel Fernandes <joelagnelf@...dia.com>
Cc: linux-kernel@...r.kernel.org, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, Simona Vetter <simona@...ll.ch>, Jonathan Corbet <corbet@....net>, 
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	Jani Nikula <jani.nikula@...ux.intel.com>, 
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Subject: Re: [PATCH -next] gpu: Move DRM buddy allocator one level up

On Fri, 6 Feb 2026 at 11:06, Joel Fernandes <joelagnelf@...dia.com> wrote:
>
>
>
> On 2/5/2026 7:34 PM, Joel Fernandes wrote:
> > Move the DRM buddy allocator one level up so that it can be used by GPU
> > drivers (example, nova-core) that have usecases other than DRM (such as
> > VFIO vGPU support). Modify the API, structures and Kconfigs to use
> > "gpu_buddy" terminology. Adapt the drivers and tests to use the new API.
> >
> > The commit cannot be split due to bisectability, however no functional
> > change is intended. Verified by running K-UNIT tests and build tested
> > various configurations.
> >
> > Signed-off-by: Joel Fernandes <joelagnelf@...dia.com>
>
> I forgot to add Dave Airlie's review tag here from his other email. When you
> apply, could you add it?
>
> Or, let me know if I should resend it. Thanks.
>

This one was a bit messy, so I've taken this into drm-misc-next now,
it doesn't quite end up in the same places as yours, but it looks the
same, and I updated MAINTAINERS at the end.

Now you can just care about the rust side of it.

Regards,
Dave.