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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B514DC433F5 for ; Thu, 2 Dec 2021 08:03:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355963AbhLBIG4 (ORCPT ); Thu, 2 Dec 2021 03:06:56 -0500 Received: from mga05.intel.com ([192.55.52.43]:65225 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241125AbhLBIGz (ORCPT ); Thu, 2 Dec 2021 03:06:55 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10185"; a="322899139" X-IronPort-AV: E=Sophos;i="5.87,281,1631602800"; d="scan'208";a="322899139" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2021 00:03:33 -0800 X-IronPort-AV: E=Sophos;i="5.87,281,1631602800"; d="scan'208";a="597059742" Received: from rongch2-desk.sh.intel.com (HELO [10.239.159.175]) ([10.239.159.175]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2021 00:03:29 -0800 Message-ID: <1eba3a99-9861-084d-34d8-9da060b1e6b3@intel.com> Date: Thu, 2 Dec 2021 16:03:27 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1 Subject: Re: [kbuild-all] Re: [ardb:for-kernelci 25/25] arch/arm/kernel/traps.c:865:17: warning: no previous prototype for function 'handle_bad_stack' Content-Language: en-US To: Ard Biesheuvel Cc: kernel test robot , llvm@lists.linux.dev, kbuild-all@lists.01.org, Linux Kernel Mailing List References: <202111250918.ErFZktQF-lkp@intel.com> From: Rong Chen In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/2/21 15:53, Ard Biesheuvel wrote: > On Thu, 2 Dec 2021 at 08:34, Rong Chen wrote: >> >> >> On 11/30/21 21:12, Ard Biesheuvel wrote: >>> On Thu, 25 Nov 2021 at 02:35, kernel test robot wrote: >>>> tree: git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git for-kernelci >>>> head: 5da04a8b7050432b72f6551b6c95e4b5b5fd68d1 >>>> commit: 5da04a8b7050432b72f6551b6c95e4b5b5fd68d1 [25/25] ARM: implement THREAD_INFO_IN_TASK for uniprocessor systems >>>> config: arm-randconfig-r024-20211124 (https://download.01.org/0day-ci/archive/20211125/202111250918.ErFZktQF-lkp@intel.com/config) >>>> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 67a1c45def8a75061203461ab0060c75c864df1c) >>>> reproduce (this is a W=1 build): >>>> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross >>>> chmod +x ~/bin/make.cross >>>> # install arm cross compiling tool for clang build >>>> # apt-get install binutils-arm-linux-gnueabi >>>> # https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id=5da04a8b7050432b72f6551b6c95e4b5b5fd68d1 >>>> git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git >>>> git fetch --no-tags ardb for-kernelci >>>> git checkout 5da04a8b7050432b72f6551b6c95e4b5b5fd68d1 >>>> # save the config file to linux build tree >>>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm >>>> >>>> If you fix the issue, kindly add following tag as appropriate >>>> Reported-by: kernel test robot >>>> >>>> All warnings (new ones prefixed by >>): >>>> >>> This is yet another false positive. asmlinkage routines don't need a >>> prototype because they are called from assembler. This is not going to >>> get fixed, so please don't report this error anymore. >> Hi Ard, >> >> Sorry for the noise, we'll ignore the warnings in the future. >> > Thanks! And if at all possible, please extend this to all routines > marked as asmlinkage? > got it, thanks for your reminding. Best Regards, Rong Chen