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From: Greg KH <gregkh@linuxfoundation.org>
To: Raymond Newman <raymondcharlesnewman@gmail.com>
Cc: linux-kernel@vger.kernel.org, ojeda@kernel.org, boqun@kernel.org,
	gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org,
	a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu,
	dakr@kernel.org, corbet@lwn.net, skhan@linuxfoundation.org,
	rust-for-linux@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH] lib/gcd: Convert to Rust
Date: Wed, 6 May 2026 07:18:35 +0200	[thread overview]
Message-ID: <2026050647-eternity-either-08bb@gregkh> (raw)
In-Reply-To: <CAC5penpL_yet9HHqC=BNV_EP2wDe3zpsjFw77T8356veNV0rsw@mail.gmail.com>

On Tue, May 05, 2026 at 09:37:26PM -0400, Raymond Newman wrote:
> >From 96902ad2caf167ca0377e0b2063973e2183465b4 Mon Sep 17 00:00:00 2001
> From: Raymond Newman <raymondcharlesnewman@gmail.com>
> Date: Tue, 5 May 2026 21:29:29 -0400
> Subject: [PATCH] lib/gcd: Convert to Rust
> 
> Convert lib/math/gcd.c to Rust. The binary GCD algorithm is preserved
> exactly, including both the efficient-ffs fast path and the even/odd
> fallback for CONFIG_CPU_NO_EFFICIENT_FFS targets.

This says what you are doing, but not why.  Why make this change?

> -static unsigned long binary_gcd(unsigned long a, unsigned long b)
> -{
> - unsigned long r = a | b;
> -

<snip>

whitespace is damaged and this does not apply.

thanks,

greg k-h

      reply	other threads:[~2026-05-06  5:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-06  1:37 [PATCH] lib/gcd: Convert to Rust Raymond Newman
2026-05-06  5:18 ` Greg KH [this message]

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