linux-kernel - Re: [PATCH 0/4] rust: Add ARef support for work items

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Message-Id: <1EBC2DFD-DA94-44E6-AD10-F892F57DFE5F@collabora.com>
Date: Tue, 20 Jan 2026 11:41:03 -0300
From: Daniel Almeida <daniel.almeida@...labora.com>
To: Alice Ryhl <aliceryhl@...gle.com>
Cc: Miguel Ojeda <ojeda@...nel.org>,
 Boqun Feng <boqun.feng@...il.com>,
 Gary Guo <gary@...yguo.net>,
 Björn Roy Baron <bjorn3_gh@...tonmail.com>,
 Benno Lossin <lossin@...nel.org>,
 Andreas Hindborg <a.hindborg@...nel.org>,
 Trevor Gross <tmgross@...ch.edu>,
 Danilo Krummrich <dakr@...nel.org>,
 David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>,
 rust-for-linux@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 0/4] rust: Add ARef support for work items



> On 20 Jan 2026, at 07:37, Alice Ryhl <aliceryhl@...gle.com> wrote:
> 
> On Thu, Jan 15, 2026 at 09:35:56PM -0300, Daniel Almeida wrote:
>> This series adds ARef<T> support for both regular and delayed work items. 
>> 
>> - Patches 1 and 3 actually implement the support in workqueue.rs
>> - Patches 2 and 4 adds a corresponding implementation in drm::Device that
>>  dispatches the calls to the underlying T::Data.
>> 
>> This was tested on Tyr, and is actually needed in order to obtain a
>> &drm::Device when handling work items. This is then needed in order to
>> allocate GEM objects inside the work handler that processes the tiler OOM
>> (out of memory) events. The current series sets the stage so that the above
>> is possible in the future.
>> 
>> This is currently based on v6.19-rc5. I hope we can land all four commits
>> on a single tree, but otherwise let me know whether I should split the
>> workqueue.rs changes from the drm::Device ones and rebase accordingly.
> 
> Please send a new version that CCs workqueue maintainers.
> 
> Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>

That was the usual “b4 prep —auto-to-cc”, perhaps we need to fix something
in MAINTAINERS?

— Daniel