linux-kernel - Re: [PATCH] scripts: rust: drop is_rust

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Message-ID: <CAK7LNATG0rmbV79Uo8a8mX5uFNn878UbP0BEJ3c=cYSsO_a3ww@mail.gmail.com>
Date:   Sat, 8 Apr 2023 22:41:26 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Andrea Righi <andrea.righi@...onical.com>
Cc:     Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>, Tom Rix <trix@...hat.com>,
        Eric Curtin <ecurtin@...hat.com>,
        Martin Rodriguez Reboredo <yakoyoku@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Neal Gompa <neal@...pa.dev>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        rust-for-linux@...r.kernel.org, linux-kbuild@...r.kernel.org,
        llvm@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scripts: rust: drop is_rust_module.sh

On Fri, Apr 7, 2023 at 4:05 PM Andrea Righi <andrea.righi@...onical.com> wrote:
>
> Commit c1177979af9c ("btf, scripts: Exclude Rust CUs with pahole")
> introduced the constraint "!DEBUG_INFO_BTF || PAHOLE_HAS_LANG_EXCLUDE"
> to enable RUST.
>
> With this constraint we don't need is_rust_module.sh anymore, because
> 'pahole --lang_exclude=rust' already has the capability to exclude Rust
> CUs. If pahole isn't recent enough (< 1.24) to support --lang_exclude,
> then DEBUG_INFO_BTF can't be enabled with RUST and is_rust_module.sh
> isn't used as well.
>
> In any case is_rust_module.sh is obsolete and we can just drop it.
>
> Link: https://lore.kernel.org/lkml/Y+p2xKIN6TJnQinK@righiandr-XPS-13-7390/
> Signed-off-by: Andrea Righi


Reviewed-by: Masahiro Yamada <masahiroy@...nel.org>


-- 
Best Regards
Masahiro Yamada