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

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Message-ID: <410ecd09-af28-4fb3-854e-09fa9cc9313b@nvidia.com>
Date: Mon, 24 Nov 2025 18:46:20 -0500
From: Joel Fernandes <joelagnelf@...dia.com>
To: linux-kernel@...r.kernel.org,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
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 <tursulin@...ulin.net>, Huang Rui <ray.huang@....com>,
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Cc: Danilo Krummrich <dakr@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>,
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Subject: Re: [PATCH] gpu: Move DRM buddy allocator one level up

On 11/24/2025 6:44 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 bissectability, 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>
> ---

Sorry, I should have mentioned: this patch applies on linux-next master branch.
I did so to get the latest changes to reduce conflicts. Thanks.

 - Joel