Subject: Re: [PATCH] powerpc/ptrace: Add prototype for function pt_regs_check

From: Michael Ellerman <[email-masked]>
Date: Thu, 7 Nov 2019 14:45:35 +1100 (AEDT)

On Sat, 2018-12-08 at 15:46:23 UTC, Mathieu Malaterre wrote:
> `pt_regs_check` is a dummy function, its purpose is to break the build
> if struct pt_regs and struct user_pt_regs don't match.
> 
> This function has no functionnal purpose, and will get eliminated at
> link time or after init depending on CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
> 
> This commit adds a prototype to fix warning at W=1:
> 
>   arch/powerpc/kernel/ptrace.c:3339:13: error: no previous prototype for ‘pt_regs_check’ [-Werror=missing-prototypes]
> 
> Suggested-by: Christophe Leroy <[email-masked]>
> Signed-off-by: Mathieu Malaterre <[email-masked]>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/5c74f79958682fccd82a6029c53859d1dab3b239

cheers