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Message-ID: <CANiq72k8M=9rP_D_0Ew0hDbsx+qmO92oSyD_LDFnQCKnE3eq_Q@mail.gmail.com>
Date:   Thu, 10 Aug 2023 01:22:41 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
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>,
        Benno Lossin <benno.lossin@...ton.me>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>, Tom Rix <trix@...hat.com>,
        linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
        linux-kbuild@...r.kernel.org, llvm@...ts.linux.dev,
        bpf <bpf@...r.kernel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: [PATCH] btf, scripts: rust: drop is_rust_module.sh

On Tue, Jul 4, 2023 at 7:21 AM Andrea Righi <andrea.righi@...onical.com> wrote:
>
> With commit c1177979af9c ("btf, scripts: Exclude Rust CUs with pahole")
> we are now able to use pahole directly to identify Rust compilation
> units (CUs) and exclude them from generating BTF debugging information
> (when DEBUG_INFO_BTF is enabled).
>
> And if pahole doesn't support the --lang-exclude flag, we can't enable
> both RUST and DEBUG_INFO_BTF at the same time.
>
> So, in any case, the script is_rust_module.sh is just redundant and we
> can drop it.
>
> NOTE: we may also be able to drop the "Rust loadable module" mark
> inside Rust modules, but it seems safer to keep it for now to make sure
> we are not breaking any external tool that may potentially rely on it.
>
> Signed-off-by: Andrea Righi <andrea.righi@...onical.com>

Applied to `rust-next` -- thanks everyone, and Andrea and Daniel for
confirming my summary/recollection sounded right in the other message.

Cheers,
Miguel

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