linux-kernel - Re: [PATCH 2/3] rust: pin-init: examples: conditionally enable `feature(lint

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Message-ID: <D98EF3MYE7MJ.2B088TMY4FJU2@proton.me>
Date: Wed, 16 Apr 2025 21:58:59 +0000
From: Benno Lossin <benno.lossin@...ton.me>
To: Alice Ryhl <aliceryhl@...gle.com>
Cc: 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>, Andreas Hindborg <a.hindborg@...nel.org>, Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, Fiona Behrens <me@...enk.dev>, rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] rust: pin-init: examples: conditionally enable `feature(lint_reasons)`

On Tue Apr 15, 2025 at 11:26 AM CEST, Alice Ryhl wrote:
> On Mon, Apr 14, 2025 at 08:00:20PM +0000, Benno Lossin wrote:
>> `lint_reasons` is unstable in Rust 1.80 and earlier, enable it
>> conditionally in the examples to allow compiling them with older
>> compilers.
>> 
>> Link: https://github.com/Rust-for-Linux/pin-init/pull/33/commits/ec494fe686b0a97d5b59b5be5a42d3858038ea6a
>> Signed-off-by: Benno Lossin <benno.lossin@...ton.me>
>
> Why not just always use #![feature] together with -Astable_features like
> the kernel does?

I'd like to know when a feature becomes stable, since I don't keep track
of them like Miguel does.

---
Cheers,
Benno