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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 59135C433E7 for ; Tue, 20 Oct 2020 08:56:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 048A3222C8 for ; Tue, 20 Oct 2020 08:56:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392152AbgJTI4L (ORCPT ); Tue, 20 Oct 2020 04:56:11 -0400 Received: from mga09.intel.com ([134.134.136.24]:62918 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389938AbgJTI4K (ORCPT ); Tue, 20 Oct 2020 04:56:10 -0400 IronPort-SDR: ki12G4yFSql0FzMTRGNJEy6OaFSvSgsoWPHmt9QtVMf4FQ+9MwwyVyx25l71Qu6aS9fwXrqepR dGD6cxDnpD3Q== X-IronPort-AV: E=McAfee;i="6000,8403,9779"; a="167296737" X-IronPort-AV: E=Sophos;i="5.77,396,1596524400"; d="scan'208";a="167296737" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2020 01:56:09 -0700 IronPort-SDR: 095BdRa+j8h8zH0MGWtN/hlBfC//dclv2M5qc7ndjmdiDmX+ALdGtG+QNijs71FnYFZJGOGEjT Ak1MaRIVPs8Q== X-IronPort-AV: E=Sophos;i="5.77,396,1596524400"; d="scan'208";a="532973518" Received: from shao2-debian.sh.intel.com (HELO [10.239.13.3]) ([10.239.13.3]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2020 01:56:02 -0700 Subject: Re: [kbuild-all] Re: drivers/pinctrl/renesas/pinctrl-rzn1.c:183:52: sparse: sparse: dubious: x | !y To: Geert Uytterhoeven , kernel test robot Cc: kbuild-all@lists.01.org, Linux Kernel Mailing List References: <202010201527.PTQTs5C6-lkp@intel.com> From: Rong Chen Message-ID: Date: Tue, 20 Oct 2020 16:55:15 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/20/20 3:49 PM, Geert Uytterhoeven wrote: > Hi Kernel Test Robot, > > On Tue, Oct 20, 2020 at 9:42 AM kernel test robot wrote: >> First bad commit (maybe != root cause): >> >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >> head: 270315b8235e3d10c2e360cff56c2f9e0915a252 >> commit: 077365a941166f3a7f5894017f9d26d17cdec00e pinctrl: Rename sh-pfc to renesas >> date: 5 weeks ago >> config: x86_64-randconfig-s032-20201020 (attached as .config) >> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 >> reproduce: >> # apt-get install sparse >> # sparse version: v0.6.3-dirty >> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=077365a941166f3a7f5894017f9d26d17cdec00e >> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >> git fetch --no-tags linus master >> git checkout 077365a941166f3a7f5894017f9d26d17cdec00e >> # save the attached .config to linux build tree >> make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 >> >> If you fix the issue, kindly add following tag as appropriate >> Reported-by: kernel test robot >> >> >> "sparse warnings: (new ones prefixed by >>)" >>>> drivers/pinctrl/renesas/pinctrl-rzn1.c:183:52: sparse: sparse: dubious: x | !y >> drivers/pinctrl/renesas/pinctrl-rzn1.c:189:52: sparse: sparse: dubious: x | !y > This is a false positive, cfr. > https://lore.kernel.org/linux-renesas-soc/CAMuHMdV=aWj9ePL9gAa-vsmLLUZkY4ip2337am8A7ktxg7Yniw@mail.gmail.com/ Hi Geert, Thanks for the information, we'll double check such warning in the future. Best Regards, Rong Chen