linux-kernel - Re: [PATCH v4 4/4] RISC-V: fix gcc + rust builds

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Message-ID: <6e0165df-4e24-4387-9b2b-3ba3df2d5095@gmail.com>
Date: Mon, 24 Nov 2025 10:05:32 +0800
From: Asuna Yang <spriteovo@...il.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc: Nathan Chancellor <nathan@...nel.org>,
 Nicolas Schier <nicolas.schier@...ux.dev>, 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>,
 Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
 Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>,
 Nicolas Schier <nsc@...nel.org>, Jonathan Corbet <corbet@....net>,
 Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>,
 Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>,
 Vivian Wang <wangruikang@...as.ac.cn>, Han Gao <rabenda.cn@...il.com>,
 Jason Montleon <jmontleo@...hat.com>, Conor Dooley <conor@...nel.org>,
 linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
 rust-for-linux@...r.kernel.org, llvm@...ts.linux.dev,
 linux-doc@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v4 4/4] RISC-V: fix gcc + rust builds

On 11/24/25 9:21 AM, Miguel Ojeda wrote:
>> Add `rust-bindgen-option` conditions for the availability of libclang to
>> the RISC-V extension Kconfig symbols that depend on the `cc-option`
>> function.
> This is now in a different commit, right?
Sorry, I may not have made it clear. I mean all these changes.

+	depends on !RUST || !64BIT || $(rust-bindgen-option,-- -mabi=lp64 -march=...)
+	depends on !RUST || !32BIT || $(rust-bindgen-option,-- -mabi=ilp32 -march=...)


> (By the way, I wouldn't mind if we started adding `MAINTAINERS`
> entries on who is maintaining particular architectures for Rust,
> especially if there is someone in particular involved with it etc.).
I had some contributions in rust-lang/rust repo for riscv64 (PR #131955, 
FWIW), and I'd like to be added as a Rust + RISC-V Linux maintainer if 
that's okay for you guys.

For the suggestions about commit messages, I will improve them in the 
next revision.

Thanks for your reviews!