linux-kernel - Re: [PATCH] rust: conclude the Rust experiment

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Message-ID: <aUP6HoSwNmXiaQ8e@tardis-2.local>
Date: Thu, 18 Dec 2025 21:57:02 +0900
From: Boqun Feng <boqun.feng@...il.com>
To: Miguel Ojeda <ojeda@...nel.org>
Cc: 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>, rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rust: conclude the Rust experiment

On Sat, Dec 13, 2025 at 01:00:42AM +0100, Miguel Ojeda wrote:
> The Rust support was merged in v6.1 into mainline in order to help
> determine whether Rust as a language was suitable for the kernel,
> i.e. worth the tradeoffs, technically, procedurally and socially.
> 
> At the 2025 Linux Kernel Maintainers Summit, the experiment has just
> been deemed concluded [1].
> 
> Thus remove the section -- it was not fully true already anyway, since
> there are already uses of Rust in production out there, some well-known
> Linux distributions enable it and it is already in millions of devices
> via Android.
> 
> Obviously, this does not mean that everything works for every kernel
> configuration, architecture, toolchain etc., or that there won't be
> new issues. There is still a ton of work to do in all areas, from the
> kernel to upstream Rust, GCC and other projects. And, in fact, certain
> combinations (such as the mixed GCC+LLVM builds and the upcoming GCC
> support) are still quite experimental but getting there.
> 
> But the experiment is done, i.e. Rust is here to stay.
> 
> I hope this signals commitment from the kernel to companies and other
> entities to invest more into it, e.g. into giving time to their kernel
> developers to train themselves in Rust.
> 
> Thanks to the many kernel maintainers that gave the project their
> support and patience throughout these years, and to the many other
> developers, whether in the kernel or in other projects, that have
> made this possible. I had a long list of 173 names in the credits of
> the original pull that merged the support into the kernel [2], and now
> such a list would be way longer, so I will not even try to compose one,
> but again, thanks a lot, everybody.
> 

I would like to take the opportunity to thank you, Miguel. Like what Dan
Williams said during the Maintainers Summit, I also cannot imagine a
better person to lead this than you. Thank you for all the hard work,
commmunication, collaboration and most importantly, keeping yourself
postive despite all the other factors.

Reviewed-by: Boqun Feng <boqun.feng@...il.com>

Regards,
Boqun

> Link: https://lwn.net/Articles/1049831/ [1]
> Link: https://git.kernel.org/linus/8aebac82933f [2]
> Signed-off-by: Miguel Ojeda <ojeda@...nel.org>
> ---
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