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AKwUvBz6KVwpwjjxgmTu+P18xP0YEZFLbp2/9g8iHX90/dY3TCTjYjMyNAUNvTjPwSxGT2qe4Y3f2eo+t6b++K5T4g==@vger.kernel.org X-Gm-Message-State: AFuF++lloOI1QtfR0YqK3P+K4jAw2dCf52ukk0VVxF3bX9MG4mfYm7vR iVK8zS+303PHW7vrqzJjk0b9oN+xp7o3QA70L7PacVmLv6JWp2dmBvlrIpeoHA0seYVRWlrDiPk 9AIrJorvSrBlZmNE86A== X-Received: from wmph8.prod.google.com ([2002:a05:600c:4988:b0:490:b475:af08]) (user=aliceryhl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:55d2:b0:49c:fa21:e74b with SMTP id 5b1f17b1804b1-49d259252bemr7716245e9.33.1788960170557; Wed, 09 Sep 2026 06:22:50 -0700 (PDT) Date: Wed, 9 Sep 2026 13:22:49 +0000 In-Reply-To: <3gyxhudb5zwrrevc522qjpddnzxbsyxeeqair7tvii6jhfu6kl@f63vlxgftjpl> Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260903185557.183224-1-atomlin@atomlin.com> <20260903132924.7a4d1b84791d30c706b394a1@linux-foundation.org> <20260905172817.e367c940d750ca3e8484fef9@linux-foundation.org> <3cee4548-0ae7-46a7-b437-bf84e5c155ad@app.fastmail.com> <3gyxhudb5zwrrevc522qjpddnzxbsyxeeqair7tvii6jhfu6kl@f63vlxgftjpl> Message-ID: Subject: Re: [PATCH v10 0/2] module: Extend module_blacklist parameter to built-in modules From: Alice Ryhl To: Aaron Tomlin Cc: Arnd Bergmann , Andrew Morton , Luis Chamberlain , Petr Pavlu , da.gomez@kernel.org, Sami Tolvanen , Peter Zijlstra , Miguel Ojeda , Masami Hiramatsu , Boqun Feng , neelx@suse.com, da.anzani@gmail.com, sean@ashe.io, chjohnst@mail.com, steve@abita.co, mproche@mail.com, nick.lane@mail.com, rishil1999@outlook.com, Linux-Arch , linux-modules@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" On Sun, Sep 06, 2026 at 10:08:57AM -0400, Aaron Tomlin wrote: > 2. Mangled Names in Rust > > For drivers written in Rust, initcall symbols are compiler-mangled, > which makes initcall_blacklist= virtually impossible for a user to > specify at a boot prompt. Are you sure? As far as I can tell, the Rust module! macro applies #[no_mangle] to the initcall, so no mangling should apply to it. Its name is the name of the module followed by an underscore. Alice