linux-kernel - Re: [PATCH] rust: build: remap path to avoid absolute path

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Message-ID: <CANiq72nwU7C9+atAXoyKbVjM=4coMjxMSLD8YmECUVuw6Jp=_w@mail.gmail.com>
Date: Sun, 8 Feb 2026 12:03:55 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Gary Guo <gary@...yguo.net>
Cc: Nathan Chancellor <nathan@...nel.org>, Nicolas Schier <nsc@...nel.org>, Miguel Ojeda <ojeda@...nel.org>, 
	Boqun Feng <boqun@...nel.org>, 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>, Janne Grunau <j@...nau.net>, Asahi Lina <lina+kernel@...hilina.net>, 
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] rust: build: remap path to avoid absolute path

On Sat, Feb 7, 2026 at 11:59 PM Gary Guo <gary@...yguo.net> wrote:
>
> Unfortunately, using remap-path-scope does not give the expected result in older
> Rust compiler versions, so the issue reports that I linked will not be resolved
> with it. It looks like remap-path-scope is working as intended only since
> https://github.com/rust-lang/rust/pull/149709, so Rust 1.94+ (I haven't
> double-checked the exact Rust version, but in latest nightly Rust, the remap is
> working as intended).

Linked the stabilization and noted the fix 1.94 PR that we likely need
and this thread in the `-Zremap-path-scope` entry in
https://github.com/Rust-for-Linux/linux/issues/2.

And since it is now stabilized, moved to
https://github.com/Rust-for-Linux/linux/issues/1223, which I just had
to create due to GitHub's 64k limit on issue text...

Cheers,
Miguel