Received: by 2002:a25:31c3:0:0:0:0:0 with SMTP id x186csp418735ybx; Wed, 6 Nov 2019 19:47:00 -0800 (PST) X-Google-Smtp-Source: APXvYqx/8jQt8fDamOrqGsMJ9UQXngsOAj4B4QfhzalQcamcNxV1FkbX++L29YqEvqn/VD1rvyFU X-Received: by 2002:aa7:cb53:: with SMTP id w19mr1324521edt.50.1573098420062; Wed, 06 Nov 2019 19:47:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1573098420; cv=none; d=google.com; s=arc-20160816; b=i8G9GY/T9s2e29ze6Kj+2hEgRlLzuHeJAXyqZ6MvRiO0VjS569dOMx4XAvOJ8z/vAO Zyn739MKnI2qmzWEIMCZdw1ELmG/oCZFCp43F2lxkHKe5zeKsZYtJ6UhiqHft5Z+/wyj N/+d8w/3f9zUKJ5GSp3Z/XPzM6lq2U0dZ/ISZeV5KdyzI3A6YMShQQKPhUpw3Sh9RoPo 6c/c7SCeBiiD9ug4HnwFGHpilRUeig1pnb0G5yAPx/FQHQ5L+tUR829iMgkWIGnLuP66 l43hNc0tAbjGKjV2rSYHN/VOTY16XkvSz3WdkIdQ3EaflnqUQQym/201Qka6Ta83NnHy vogA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:date:message-id:subject:cc:from:to :in-reply-to; bh=FaAmld4UFX191hYhPZIWw0TRx3Ku/9R5pgSXv5T53cI=; b=O1rjMNYDye1IQE7AaFoeUdV+jPxwwaeWp+nsUnR3fgBJIZSMQuy1kxCLO69yE04QhP tY6h3AINUrYYTMilDu98Wym8nr8eQ5Ajj6hseFxtlARxIQNfEM2H+hcZapTNIkU/6cFi cabtJwcYBDHUsfF6oT4U03wpzBJ1cM71GFLqjRVKxYoa6KD/V1MMvNFRAcJoU8nghImG FkdXYLSa0ezzoRtI7rBFZnLWKo862poUL06iKAeOo9Ov2l6aW5fdqP51R/vvzDyHyrmM PMvuZKYSi4vRR+1srPKoQVpvuhI9Sd9c6wGUGui0UG3Vw/DqLmVZH48rhc7ZlFe39UF+ SELA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u11si541661edi.385.2019.11.06.19.46.37; Wed, 06 Nov 2019 19:47:00 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733062AbfKGDpi (ORCPT + 99 others); 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