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

From: Michael Ellerman
Date: Wed Nov 06 2019 - 22:45:39 EST


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 â??pt_regs_checkâ?? [-Werror=missing-prototypes]
>
> Suggested-by: Christophe Leroy <christophe.leroy@xxxxxx>
> Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>

Applied to powerpc next, thanks.

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

cheers