linux-kernel - Re: [PATCH v9] rust: kernel: add support for bits/genmask macros

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Message-ID: <CANiq72=FVpt2AgvXifUGqsC_sxyLEFbGzC-NPa2uDLkoU6t1Yg@mail.gmail.com>
Date: Sun, 20 Jul 2025 00:17:16 +0200
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Daniel Almeida <daniel.almeida@...labora.com>
Cc: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
	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>, 
	Danilo Krummrich <dakr@...nel.org>, linux-kernel@...r.kernel.org, 
	rust-for-linux@...r.kernel.org, Alexandre Courbot <acourbot@...dia.com>
Subject: Re: [PATCH v9] rust: kernel: add support for bits/genmask macros

On Tue, Jul 15, 2025 at 1:30 AM Daniel Almeida
<daniel.almeida@...labora.com> wrote:
>
> In light of bindgen being unable to generate bindings for macros, and
> owing to the widespread use of these macros in drivers, manually define
> the bit and genmask C macros in Rust.
>
> The *_checked version of the functions provide runtime checking while
> the const version performs compile-time assertions on the arguments via
> the build_assert!() macro.
>
> Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
> Reviewed-by: Alexandre Courbot <acourbot@...dia.com>
> Signed-off-by: Daniel Almeida <daniel.almeida@...labora.com>

Applied to `rust-next` -- thanks everyone!

    [ `expect`ed Clippy warning in doctests, hid single `use`, grouped
      examples. Reworded title. - Miguel ]

Cheers,
Miguel