linux-kernel - Re: [PATCH 0/6] rust: add `bitfield!` and `register!` macros

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Message-Id: <DFU2KB960L91.5F5B0ITP7Q9L@nvidia.com>
Date: Wed, 21 Jan 2026 15:55:59 +0900
From: "Alexandre Courbot" <acourbot@...dia.com>
To: "Yury Norov" <ynorov@...dia.com>
Cc: "Miguel Ojeda" <miguel.ojeda.sandonis@...il.com>, "Danilo Krummrich"
 <dakr@...nel.org>, "Yury Norov" <yury.norov@...il.com>, "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>, "Alice Ryhl" <aliceryhl@...gle.com>,
 "Trevor Gross" <tmgross@...ch.edu>, "John Hubbard" <jhubbard@...dia.com>,
 "Alistair Popple" <apopple@...dia.com>, "Joel Fernandes"
 <joelagnelf@...dia.com>, "Timur Tabi" <ttabi@...dia.com>, "Edwin Peer"
 <epeer@...dia.com>, "Eliot Courtney" <ecourtney@...dia.com>, "Daniel
 Almeida" <daniel.almeida@...labora.com>, "Dirk Behme"
 <dirk.behme@...bosch.com>, "Steven Price" <steven.price@....com>,
 <rust-for-linux@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/6] rust: add `bitfield!` and `register!` macros

On Wed Jan 21, 2026 at 2:57 PM JST, Yury Norov wrote:
> On Tue, Jan 20, 2026 at 09:31:14PM +0100, Miguel Ojeda wrote:
>> On Tue, Jan 20, 2026 at 9:01 PM Danilo Krummrich <dakr@...nel.org> wrote:
>> >
>> > I think it's rather unlikely to land bitfields this cycle. I think Yury
>> > explicitly requested more discussion on bitfields and also encouraged the "two
>> > stage" approach [1] moving register!() first and then extract bitfields
>> > subsequently.
>> 
>> Does Yury want to maintain it? From his messages back then I am not
>> sure if he does or not (he suggested "some non-rust person from a
>> related kernel subsystem", not sure if that meant himself in this case
>> too).
>
> I can become a reviewer or maintainer, assuming Alex will become the first
> maintainer as the main developer. I can also move it with my branch if you
> prefer, guys. In this case it's better to make me a maintainer. 
>
>> At least, he suggested adding a `MAINTAINERS` entry, which I agreed it
>> was a good idea (by the way, this patch series should add it, or at
>> least the eventual one that adds `bitfield!`).
>
> Yes it is. Alexandre, can you please add a maintenance section(s) for
> all new files?

It looks like we are heading towards introducing `bitfield!` a bit
later (v2 will only have `register!`). I will add a MAINTAINERS entry
once we re-introduce `bitfield!`.