Re: [PATCH v2] smp: kernel/panic.c - silence warnings

[Peter Zijlstra]

On Wed, Mar 17, 2021 at 12:00:29PM +0100, Christophe Leroy wrote:
> What do you mean ? 'extern' prototype is pointless for function prototypes
> and deprecated, no new function prototypes should be added with the 'extern'
> keyword.
> 
> checkpatch.pl tells you: "extern prototypes should be avoided in .h files"

I have a very strong preference for extern on function decls, to match
the extern on variable decl.

Checkpatch is just wrong here.