On Wed, Sep 09, 2026 at 01:22:49PM +0000, Alice Ryhl wrote:
> 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
Hi Alice,
Sorry, I was wrong.
Looking at rust/kernel/module.rs, indeed #[no_mangle] ensures the symbols
are named __{module_name}_init and __{module_name}_exit without compiler
mangling.
Thank you for the follow up!
Kind regards,
--
Aaron Tomlin
