Re: [PATCH 00/20] x86: address -Wmissing-prototype warnings

[Dave Hansen]

On 5/16/23 12:35, Arnd Bergmann wrote:
> The ones that are a bit awkward are those that just add a prototype to
> shut up the warning, but the prototypes are never used for calling the
> function because the only caller is in assembler code. I tried to come up
> with other ways to shut up the compiler using the asmlinkage annotation,
> but with no success.

I went looking for the same thing.  It's too bad gcc doesn't have an
__attribute__ for it.