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Date: Wed, 03 Jul 2024 17:20:37 +0000
To: Miguel Ojeda <ojeda@kernel.org>
From: Andreas Hindborg <nmi@metaspace.dk>
Cc: Wedson Almeida Filho <wedsonaf@gmail.com>, Alex Gaynor <alex.gaynor@gmail.com>, Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>, =?utf-8?Q?Bj=C3=B6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>, Benno Lossin <benno.lossin@proton.me>, Andreas Hindborg <a.hindborg@samsung.com>, Alice Ryhl <aliceryhl@google.com>, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, patches@lists.linux.dev, Jonathan Corbet <corbet@lwn.net>, workflows@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH 06/13] rust: start supporting several compiler versions
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Miguel Ojeda <ojeda@kernel.org> writes:

[...]

> diff --git a/scripts/rust_is_available.sh b/scripts/rust_is_available.sh
> index 117018946b57..67cb900124cc 100755
> --- a/scripts/rust_is_available.sh
> +++ b/scripts/rust_is_available.sh
> @@ -117,14 +117,6 @@ if [ "$rust_compiler_cversion" -lt "$rust_compiler_m=
in_cversion" ]; then
>  =09echo >&2 "***"
>  =09exit 1
>  fi
> -if [ "$rust_compiler_cversion" -gt "$rust_compiler_min_cversion" ]; then
> -=09echo >&2 "***"
> -=09echo >&2 "*** Rust compiler '$RUSTC' is too new. This may or may not =
work."
> -=09echo >&2 "***   Your version:     $rust_compiler_version"
> -=09echo >&2 "***   Expected version: $rust_compiler_min_version"
> -=09echo >&2 "***"
> -=09warning=3D1
> -fi

This does not set a max version. Will older versions of the kernel
always compile with newer releases of `rustc`?

Best regards,
Andreas