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

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Message-Id: <DFTHCJYQHUHD.24MJ2SUFZDLTJ@kernel.org>
Date: Tue, 20 Jan 2026 15:18:27 +0100
From: "Danilo Krummrich" <dakr@...nel.org>
To: "Miguel Ojeda" <miguel.ojeda.sandonis@...il.com>
Cc: "Alexandre Courbot" <acourbot@...dia.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>, "Yury Norov" <yury.norov@...il.com>,
 "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 Tue Jan 20, 2026 at 2:50 PM CET, Miguel Ojeda wrote:
> On Tue, Jan 20, 2026 at 2:38 PM Danilo Krummrich <dakr@...nel.org> wrote:
>>
>> I discussed with Alex and Alice that it would be good to land the register!()
>> macro this cycle (having some local to register.rs bitfield support), so drivers
>> can start using it next cycle.
>
> By "local to register.rs bitfield support", do you mean something else
> than this series?

Correct, this series came from a misunderstanding, I think Alex plans to follow
up on it tomorrow.

> To be honest, I think this is all quite late for the cycle.

I think there has been consensus on the register!() macro, so it seems possible.
But as always, if it works out, great -- if not, that's okay too.