linux-kernel - Re: [PATCH 2/3] rust: num: add the `last_set

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Message-Id: <DASWT7I119AY.1B0E7SCZYCZI3@kernel.org>
Date: Sun, 22 Jun 2025 10:12:57 +0200
From: "Benno Lossin" <lossin@...nel.org>
To: "Alexandre Courbot" <acourbot@...dia.com>, "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>, "Andreas
 Hindborg" <a.hindborg@...nel.org>, "Alice Ryhl" <aliceryhl@...gle.com>,
 "Trevor Gross" <tmgross@...ch.edu>, "Danilo Krummrich" <dakr@...nel.org>
Cc: <linux-kernel@...r.kernel.org>, <rust-for-linux@...r.kernel.org>,
 <nouveau@...ts.freedesktop.org>
Subject: Re: [PATCH 2/3] rust: num: add the `last_set_bit` operation

On Fri Jun 20, 2025 at 3:14 PM CEST, Alexandre Courbot wrote:
> Add an equivalent to the `fls` (Find Last Set bit) C function to Rust
> unsigned types.
>
> It is to be first used by the nova-core driver.
>
> Signed-off-by: Alexandre Courbot <acourbot@...dia.com>

Reviewed-by: Benno Lossin <lossin@...nel.org>

---
Cheers,
Benno

> ---
>  rust/kernel/num.rs | 38 ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 38 insertions(+)