linux-kernel - Re: [PATCH] rust: kernel: Mark rust_fmt

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Message-Id: <CQJHQFNV0Z2I.24P0M0681CSE1@vincent-arch>
Date:   Wed, 15 Feb 2023 23:30:35 +0100
From:   "Vincenzo Palazzo" <vincenzopalazzodev@...il.com>
To:     "David Gow" <davidgow@...gle.com>,
        "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>
Cc:     <rust-for-linux@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <stable@...r.kernel.org>
Subject: Re: [PATCH] rust: kernel: Mark rust_fmt_argument as extern "C"

> The rust_fmt_argument function is called from printk() to handle the %pA
> format specifier.
>
> Since it's called from C, we should mark it extern "C" to make sure it's
> ABI compatible.
>
> Cc: stable@...r.kernel.org
> Fixes: 247b365dc8dc ("rust: add `kernel` crate")
> Signed-off-by: David Gow <davidgow@...gle.com>
> ---

Reviewed-by: Vincenzo Palazzo <vincenzopalazzodev@...il.com>