linux-kernel - Re: [PATCH] powerpc/ptrace: Add prototype for function pt_regs

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Message-Id: <477q730DhKz9sR3@ozlabs.org>
Date:   Thu,  7 Nov 2019 14:45:35 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Mathieu Malaterre <malat@...ian.org>
Cc:     Mathieu Malaterre <malat@...ian.org>,
        Oleg Nesterov <oleg@...hat.com>, linux-kernel@...r.kernel.org,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/ptrace: Add prototype for function pt_regs_check

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 <christophe.leroy@....fr>
> Signed-off-by: Mathieu Malaterre <malat@...ian.org>

Applied to powerpc next, thanks.

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

cheers