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=-5.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 DAFF0C5519F for ; Wed, 18 Nov 2020 22:48:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1693F246DC for ; Wed, 18 Nov 2020 22:48:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="jzt1gpsF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1693F246DC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3D5A86B0036; Wed, 18 Nov 2020 17:48:41 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 35EAB6B005C; Wed, 18 Nov 2020 17:48:41 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 226E96B005D; Wed, 18 Nov 2020 17:48:41 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0194.hostedemail.com [216.40.44.194]) by kanga.kvack.org (Postfix) with ESMTP id E35306B0036 for ; Wed, 18 Nov 2020 17:48:40 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 87677181AEF31 for ; Wed, 18 Nov 2020 22:48:40 +0000 (UTC) X-FDA: 77499030000.10.uncle41_2c16ce42733d Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin10.hostedemail.com (Postfix) with ESMTP id 63BE216A4AC for ; Wed, 18 Nov 2020 22:48:40 +0000 (UTC) X-HE-Tag: uncle41_2c16ce42733d X-Filterd-Recvd-Size: 3035 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by imf09.hostedemail.com (Postfix) with ESMTP for ; Wed, 18 Nov 2020 22:48:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=CDWRDuvnpRLXCbGEiuk+PzWML0tKl/PhZrcSzjoT20E=; b=jzt1gpsFp1/u6kme+hYjiNEs9a sRcEwhvADhh7+Me1u/iatkmNp5dXCQ0Wz3hgdOqnLdE2l7uZ53uOdtRShs8tEjF2nkiAmZSY8GVAV fg6DbEpXKSsVQ3Vtgiu2C8iJ765Hv/kvJiiuixD2bQAPuw/HzfXCxdLKE5NES+YHO70QVcUE0iW6W Ges0rNCryzK4R9cLpXLybU109L27Qkvmzaui3dWWqonM7alUCV5fMKnyEK4Df4FK4OJyB/pK95E6h +mFj7QylJNMRV9L2DBHmtf5PujOMrQe+NRf0LRUyfBQwxrfyjwbwqZqaDn1yFOKvddVf9EJhyyNWt j80m73wg==; Received: from [2601:1c0:6280:3f0::3a21] (helo=dragon.site) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kfWFd-0005db-Sy; Wed, 18 Nov 2020 22:48:34 +0000 Subject: Re: [linux-next:master 5868/6773] arch/powerpc/mm/mem.c:91:12: warning: no previous prototype for function 'create_section_mapping' To: Dan Williams Cc: Nick Desaulniers , kernel test robot , kbuild-all@lists.01.org, clang-built-linux , Linux Memory Management List , Thomas Gleixner , Christoph Hellwig , Andrew Morton References: <202011182008.u7jsMtBl-lkp@intel.com> From: Randy Dunlap Message-ID: <24515a61-61a9-0728-5ba1-cb2bf00bc449@infradead.org> Date: Wed, 18 Nov 2020 14:48:28 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 11/18/20 1:38 PM, Dan Williams wrote: > On Wed, Nov 18, 2020 at 1:20 PM Randy Dunlap wrote: > [..] >> Yes, so with gcc, that gave me something like 109 missing prototype >> warnings -- including one for 'create_section_mapping'. > > You see those with this [1] applied? I don't see those warnings > anymore with gcc-10.2.0 and that patch. > > [1]: http://lore.kernel.org/r/160558386174.2948926.2740149041249041764.stgit@dwillia2-desk3.amr.corp.intel.com > No, I was testing today's linux-next (20201118). and gcc 7.5.0. After applying that patch, that 1 out of 111 -Wmissing-prototype warnings is gone. :) Thanks.