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

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Message-ID: <CANiq72=Y6p=uoJWiV0ph6P=YV0XDjWbx-P2uDMS88R+QmivdpA@mail.gmail.com>
Date: Mon, 19 Jan 2026 09:18:07 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Miguel Ojeda <ojeda@...nel.org>
Cc: 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>, 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 1:01 AM Miguel Ojeda <ojeda@...nel.org> 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.
>
> Link: https://lwn.net/Articles/1049831/ [1]
> Link: https://git.kernel.org/linus/8aebac82933f [2]
> Signed-off-by: Miguel Ojeda <ojeda@...nel.org>

Applied to `rust-next`.

Thanks everyone for the kind words! I really appreciated them :)

Cheers,
Miguel