From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C28CCC5DF61 for ; Thu, 7 Nov 2019 03:45:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 97E612178F for ; Thu, 7 Nov 2019 03:45:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733093AbfKGDpi (ORCPT ); Wed, 6 Nov 2019 22:45:38 -0500 Received: from bilbo.ozlabs.org ([203.11.71.1]:43831 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727279AbfKGDpi (ORCPT ); Wed, 6 Nov 2019 22:45:38 -0500 Received: by ozlabs.org (Postfix, from userid 1034) id 477q730DhKz9sR3; Thu, 7 Nov 2019 14:45:35 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 5c74f79958682fccd82a6029c53859d1dab3b239 In-Reply-To: <20181208154624.6504-1-malat@debian.org> To: Mathieu Malaterre From: Michael Ellerman Cc: Mathieu Malaterre , Oleg Nesterov , linux-kernel@vger.kernel.org, Paul Mackerras , linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH] powerpc/ptrace: Add prototype for function pt_regs_check Message-Id: <477q730DhKz9sR3@ozlabs.org> Date: Thu, 7 Nov 2019 14:45:35 +1100 (AEDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 > Signed-off-by: Mathieu Malaterre Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/5c74f79958682fccd82a6029c53859d1dab3b239 cheers