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 3E185C433F5 for ; Thu, 17 Mar 2022 00:32:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346037AbiCQAdy (ORCPT ); Wed, 16 Mar 2022 20:33:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229586AbiCQAdw (ORCPT ); Wed, 16 Mar 2022 20:33:52 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33C891CB08 for ; Wed, 16 Mar 2022 17:32:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647477157; x=1679013157; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=6yZKxtvtQUWp4Q0WLbYvXwoc4gQZxar2yGPNuMkMlao=; b=fPUw7CodIiQ4AMZmrFInDZKFUNUhCDTqPwGcbvkC6L5BamtPWE1g+JXf 33YY3lnJ+GJ3z0dkuiqa4oeGKTpAzy7Tw+LiQbJAUh9i1HJzu+rTgVRe6 oChNkZWoOgSt3/JTlSmQ7WB/RaByh3I4Hg9137BRbesO+X5uy35PaYq5C GkKxx7HYDGKfAtru0rHfFIMrQj29Nqg1fk6PAshE3Tv5KfLk6fZFLyi6n DaVDU5CfT15I1yIuD1zOMh9huXCQ2zAy6yv+GmJmd2G0wD3QKjy79eNta 08GX8wFywPXtAwMzQAtmZfup8ILjFAN0nzy8349Zv3+Q/fsCCQPI1Og3f A==; X-IronPort-AV: E=McAfee;i="6200,9189,10288"; a="236693529" X-IronPort-AV: E=Sophos;i="5.90,187,1643702400"; d="scan'208";a="236693529" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Mar 2022 17:32:36 -0700 X-IronPort-AV: E=Sophos;i="5.90,187,1643702400"; d="scan'208";a="541156499" Received: from rongch2-mobl.ccr.corp.intel.com (HELO [10.255.28.248]) ([10.255.28.248]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Mar 2022 17:32:35 -0700 Subject: Re: [kbuild-all] Re: [tip:locking/core 4/5] vmlinux.o: warning: objtool: do_machine_check()+0x419: call to mca_msr_reg() leaves .noinstr.text section To: Borislav Petkov , kernel test robot Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, x86@kernel.org, Peter Zijlstra References: <202203141947.9KhIyyR7-lkp@intel.com> From: "Chen, Rong A" Message-ID: Date: Thu, 17 Mar 2022 08:32:32 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/14/2022 8:01 PM, Borislav Petkov wrote: > On Mon, Mar 14, 2022 at 07:40:08PM +0800, kernel test robot wrote: >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core >> head: cd27ccfc727e99352321c0c75012ab9c5a90321e >> commit: acb13ea0baf8db8d05a3910c06e997c90825faad [4/5] asm-generic/bitops: Always inline all bit manipulation helpers >> config: x86_64-randconfig-a005-20220314 (https://download.01.org/0day-ci/archive/20220314/202203141947.9KhIyyR7-lkp@intel.com/config) >> compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 >> reproduce (this is a W=1 build): >> # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=acb13ea0baf8db8d05a3910c06e997c90825faad >> git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git >> git fetch --no-tags tip locking/core >> git checkout acb13ea0baf8db8d05a3910c06e997c90825faad >> # save the config file to linux build tree >> mkdir build_dir >> make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash >> >> If you fix the issue, kindly add following tag as appropriate >> Reported-by: kernel test robot >> >> All warnings (new ones prefixed by >>): >> >> vmlinux.o: warning: objtool: mce_read_aux()+0x42: call to mca_msr_reg() leaves .noinstr.text section >>>> vmlinux.o: warning: objtool: do_machine_check()+0x419: call to mca_msr_reg() leaves .noinstr.text section >> vmlinux.o: warning: objtool: enter_from_user_mode()+0x4a: call to on_thread_stack() leaves .noinstr.text section >> vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x53: call to on_thread_stack() leaves .noinstr.text section >> vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x4a: call to on_thread_stack() leaves .noinstr.text section >> vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x4a: call to on_thread_stack() leaves .noinstr.text section > > You need to test tip/ras/core with that .config - not some random > patches inside of locking/core. Fixing the noinstr issues is split into > a couple of patches in locking/core and ras/core. > > Thx. > Hi Borislav, Thanks for the explanation, should we skip testing the locking/core branch next time? Best Regards, Rong Chen