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

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Message-ID: <e144b7d0-cb1b-430c-95d1-fe0253e66acb@nvidia.com>
Date: Mon, 9 Feb 2026 14:30:23 -0500
From: Joel Fernandes <joelagnelf@...dia.com>
To: Dave Airlie <airlied@...il.com>
Cc: linux-kernel@...r.kernel.org,
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Subject: Re: [PATCH -next] gpu: Move DRM buddy allocator one level up



On 2/5/2026 8:48 PM, Dave Airlie wrote:
> 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.

Nit: I think you used spaces instead of tabs in drivers/gpu/Kconfig? Suggest
changing to tabs to keep it consistent.

Otherwise it LGTM, thanks for adapting it to the tree!

-- 
Joel Fernandes