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[2620:137:e000::1:20]) by mx.google.com with ESMTP id b5-20020a170906194500b006e8aea64e6esi11739591eje.29.2022.04.24.22.58.15; Sun, 24 Apr 2022 22:58:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=FWqe6TXY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239739AbiDXWJT (ORCPT + 99 others); Sun, 24 Apr 2022 18:09:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238219AbiDXWJR (ORCPT ); Sun, 24 Apr 2022 18:09:17 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F01D5D1A1 for ; Sun, 24 Apr 2022 15:06:16 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B5122B80E14 for ; Sun, 24 Apr 2022 22:06:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72FF6C385A7; Sun, 24 Apr 2022 22:06:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650837973; bh=QM2gPpFhJMCw8SzHnaGDe9e/YubdMcUEfk/0Dsh1MUk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=FWqe6TXYTGEcuyVkpJpgLVerPLsZSOIWG3kwtsnmtRW5advkYeKQBIEiymO6bAbIg mNoqik26VUorYfwzG4XpQTQ9nNbHEmFHj4NZNgTm5fvAAw5u3U6ZTq/aSS6KSNyQm9 9Qu4zO51AjeJLmQa8RwYqQViFaOBKlx9ACioFEwMNbuAFSReA61DQnKyHsKqXCY7l5 31hNf7QOFE9wm7i4+iQ6ffQp4NLk6aOcxVm4p0ZrDv0tF4wKR+bm3yxZXeQFWmO4Q9 F65DCU0T2q2DvcGrEF61EKMU9HI2WKB/fLPjvyCPyMPrfWIE6cDLnTGszSA34IvGV5 32tTs07X5Q/Ww== Date: Sun, 24 Apr 2022 15:06:10 -0700 From: Nathan Chancellor To: kernel test robot Cc: Donghai Qiao , akpm@linux-foundation.org, sfr@canb.auug.org.au, arnd@arndb.de, peterz@infradead.org, heying24@huawei.com, andriy.shevchenko@linux.intel.com, axboe@kernel.dk, rdunlap@infradead.org, tglx@linutronix.de, gor@linux.ibm.com, llvm@lists.linux.dev, kbuild-all@lists.01.org, donghai.w.qiao@gmail.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 05/11] smp: replace smp_call_function_single_async() with smp_call_private() Message-ID: References: <20220422200040.93813-6-dqiao@redhat.com> <202204231532.nXbSK9Tk-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202204231532.nXbSK9Tk-lkp@intel.com> X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Apr 23, 2022 at 03:30:18PM +0800, kernel test robot wrote: > Hi Donghai, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on powerpc/next] > [also build test WARNING on rafael-pm/linux-next linus/master v5.18-rc3 next-20220422] > [cannot apply to tip/x86/core] > [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/intel-lab-lkp/linux/commits/Donghai-Qiao/smp-cross-CPU-call-interface/20220423-060436 > base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next > config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220423/202204231532.nXbSK9Tk-lkp@intel.com/config) > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5bd87350a5ae429baf8f373cb226a57b62f87280) > 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 > # https://github.com/intel-lab-lkp/linux/commit/3b8a90029bebdb77e2d5c0cd16f371e83d8ed2e8 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Donghai-Qiao/smp-cross-CPU-call-interface/20220423-060436 > git checkout 3b8a90029bebdb77e2d5c0cd16f371e83d8ed2e8 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 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 >>): > > >> block/blk-mq.c:1065:39: warning: passing 4-byte aligned argument to 16-byte aligned parameter 2 of 'smp_call_private' may result in an unaligned pointer access [-Walign-mismatch] > smp_call_function_single_async(cpu, &rq->csd); > ^ > 1 warning generated. This warning was fixed by commit 1139aeb1c521 ("smp: Fix smp_call_function_single_async prototype"), which is undone by this proposed change, hence the warning. Cheers, Nathan