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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,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 71C2AC433E0 for ; Sun, 7 Feb 2021 08:16:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 464A764E2F for ; Sun, 7 Feb 2021 08:16:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229596AbhBGIQb (ORCPT ); Sun, 7 Feb 2021 03:16:31 -0500 Received: from mga06.intel.com ([134.134.136.31]:25046 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229445AbhBGIQ1 (ORCPT ); Sun, 7 Feb 2021 03:16:27 -0500 IronPort-SDR: Z4qbDmP5hJcQ7BU0IzZ4xDvdLt99x7ObWZkjHOJvs0d3VWO+6vlBg/jUyE8AP9Gt/nS5JqyuAV 8+NulsWoM0RQ== X-IronPort-AV: E=McAfee;i="6000,8403,9887"; a="243092473" X-IronPort-AV: E=Sophos;i="5.81,159,1610438400"; d="scan'208";a="243092473" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Feb 2021 00:15:45 -0800 IronPort-SDR: TpOQotO5iyFYzPANoQoElu1jDFPVllvHetjE2R+ettg940cQiB10qFE7h+iwkHf8ASAGH2Fiuw ZuUyFtSpBNZg== X-IronPort-AV: E=Sophos;i="5.81,159,1610438400"; d="scan'208";a="394636266" Received: from shao2-debian.sh.intel.com (HELO [10.239.13.11]) ([10.239.13.11]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Feb 2021 00:15:42 -0800 Subject: Re: [kbuild-all] Re: [patch 06/12] x86/entry: Convert system vectors to irq stack macro To: Peter Zijlstra , kernel test robot Cc: Thomas Gleixner , LKML , kbuild-all@lists.01.org, x86@kernel.org, Kees Cook References: <20210204211154.713523041@linutronix.de> <202102051148.WIj5O4Ry-lkp@intel.com> From: Rong Chen Message-ID: Date: Sun, 7 Feb 2021 16:15:11 +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 2/5/21 10:13 PM, Peter Zijlstra wrote: > On Fri, Feb 05, 2021 at 11:52:40AM +0800, kernel test robot wrote: >> Hi Thomas, >> >> I love your patch! Perhaps something to improve: >> >> [auto build test WARNING on tip/x86/asm] >> [also build test WARNING on tip/master linus/master tip/x86/core v5.11-rc6 next-20210125] >> [If your patch is applied to the wrong git tree, kindly drop us a note. >> And when submitting patch, we suggest to use '--base' as documented in >> https://git-scm.com/docs/git-format-patch] >> >> url: https://github.com/0day-ci/linux/commits/Thomas-Gleixner/x86-irq-64-Inline-irq-stack-switching/20210205-091059 >> base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 5c99720b28381bb400d4f546734c34ddaf608761 >> config: x86_64-randconfig-r026-20210204 (attached as .config) >> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 >> reproduce (this is a W=1 build): >> # https://github.com/0day-ci/linux/commit/d91ff58e804175dd59e483c7cf236e1fe66c2187 >> git remote add linux-review https://github.com/0day-ci/linux >> git fetch --no-tags linux-review Thomas-Gleixner/x86-irq-64-Inline-irq-stack-switching/20210205-091059 >> git checkout d91ff58e804175dd59e483c7cf236e1fe66c2187 >> # save the attached .config to linux build tree >> make W=1 ARCH=x86_64 >> >> If you fix the issue, kindly add following tag as appropriate >> Reported-by: kernel test robot >> >> All warnings (new ones prefixed by >>): >> >>>> arch/x86/hyperv/hv_init.o: warning: objtool: sysvec_hyperv_reenlightenment()+0x7f: undefined stack state >> -- >>>> arch/x86/kernel/cpu/mshyperv.o: warning: objtool: sysvec_hyperv_callback()+0x7f: undefined stack state >>>> arch/x86/kernel/cpu/mshyperv.o: warning: objtool: sysvec_hyperv_stimer0()+0x7f: undefined stack state > It would help if you'd actually applied the patches to a tree that had > the required objtool patches as described in 0/n. Or better yet, don't > scrape emails if the 0/n includes a git link which you'll run on anyway. Hi Peter, Thanks for the advice, we'll add the check to our cluster, and sorry for the inconvenience. Best Regards, Rong Chen