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 23E98C433F5 for ; Thu, 3 Mar 2022 00:30:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230355AbiCCAbU (ORCPT ); Wed, 2 Mar 2022 19:31:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230332AbiCCAbS (ORCPT ); Wed, 2 Mar 2022 19:31:18 -0500 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F94E7E0AA for ; Wed, 2 Mar 2022 16:30:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646267434; x=1677803434; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=7igwOfSqrgKPo1nqD5B3D/AQ9vgqKBwAZH6KuUp2Qqg=; b=Lhf97gD/5JWLl45kmbRrTCf40hg08Ctuw0brgz608SbD3aofsublturI PWCWihl5z/5uq0gCzCgUqe3sV9ZkKH2OLN0RSBwWUA8k1s9c8a2e3iLZB j6KU42EpZj0wIqS0T6BIZFT0E63yFC6lOCUxEkOknWwfu/QM9r2M4rKvU SWf8FnyZaZK0HMu8I3ujiyFdw16DWE1/iA5eisqsqEwWe5c1GHWvckGkf up8DeQkYZSZOdoRDePOlMpf3p/vbGvKlsf/rXfr95FtXtn0+JLTBzY8e8 VnbopLzl4WOetSE/6wl77bVWs51pVuVVAOUNzONfCW9+UJl7RPRUoRK6j A==; X-IronPort-AV: E=McAfee;i="6200,9189,10274"; a="233505301" X-IronPort-AV: E=Sophos;i="5.90,150,1643702400"; d="scan'208";a="233505301" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2022 16:30:34 -0800 X-IronPort-AV: E=Sophos;i="5.90,150,1643702400"; d="scan'208";a="551498329" Received: from rongch2-mobl.ccr.corp.intel.com (HELO [10.249.173.202]) ([10.249.173.202]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2022 16:30:30 -0800 Subject: Re: [kbuild-all] Re: [paulmck-rcu:dev.2022.02.17a 73/73] make[3]: *** No rule to make target 'kernel/rcu/typesafe.o', needed by 'kernel/rcu/built-in.a'. To: paulmck@kernel.org Cc: kernel test robot , kbuild-all@lists.01.org, linux-kernel@vger.kernel.org References: <202202220308.TNib9D2v-lkp@intel.com> <20220221214736.GE4285@paulmck-ThinkPad-P17-Gen-1> <20220222145349.GH4285@paulmck-ThinkPad-P17-Gen-1> <19aa4b7f-d2ef-b94f-026e-1a0318f7f50c@intel.com> <20220302213812.GY4285@paulmck-ThinkPad-P17-Gen-1> From: "Chen, Rong A" Message-ID: Date: Thu, 3 Mar 2022 08:30:28 +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: <20220302213812.GY4285@paulmck-ThinkPad-P17-Gen-1> 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 3/3/2022 5:38 AM, Paul E. McKenney wrote: > On Wed, Feb 23, 2022 at 06:14:52PM +0800, Chen, Rong A wrote: >> >> >> On 2/22/2022 10:53 PM, Paul E. McKenney wrote: >>> On Tue, Feb 22, 2022 at 04:30:40PM +0800, Chen, Rong A wrote: >>>> >>>> >>>> On 2/22/2022 5:47 AM, Paul E. McKenney wrote: >>>>> On Tue, Feb 22, 2022 at 03:05:27AM +0800, kernel test robot wrote: >>>>>> Hi Paul, >>>>>> >>>>>> First bad commit (maybe != root cause): >>>>>> >>>>>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2022.02.17a >>>>>> head: f5b2eaf791ebbd6af881947ab7c40ed70681e534 >>>>>> commit: f5b2eaf791ebbd6af881947ab7c40ed70681e534 [73/73] EXP torture: Add tests demoing SLAB_TYPESAFE_BY_RCU >>>>>> config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220222/202202220308.TNib9D2v-lkp@intel.com/config) >>>>>> compiler: arceb-elf-gcc (GCC) 11.2.0 >>>>>> 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://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=f5b2eaf791ebbd6af881947ab7c40ed70681e534 >>>>>> git remote add paulmck-rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git >>>>>> git fetch --no-tags paulmck-rcu dev.2022.02.17a >>>>>> git checkout f5b2eaf791ebbd6af881947ab7c40ed70681e534 >>>>>> # save the config file to linux build tree >>>>>> mkdir build_dir >>>>>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash >>>>>> >>>>>> If you fix the issue, kindly add following tag as appropriate >>>>>> Reported-by: kernel test robot >>>>>> >>>>>> All errors (new ones prefixed by >>): >>>>>> >>>>>>>> make[3]: *** No rule to make target 'kernel/rcu/typesafe.o', needed by 'kernel/rcu/built-in.a'. >>>>>> make[3]: Target '__build' not remade because of errors. >>>>> >>>>> This is the only commit involving kernel/rcu/typesafe.o, so... >>>>> >>>>> One the one hand, I do not plan to upstream this, so maybe it doesn't >>>>> matter. >>>>> >>>>> I have been building this using the rcutorture scripting for some time, >>>>> same RCU-related .config as you are using. But when I pulled it into >>>>> a clone in a neighboring directory, it failed just as it did for you. >>>>> The problem was that the update to kernel/rcu/Makefile somehow didn't >>>>> come across, so this line was missing: >>>>> >>>>> obj-$(CONFIG_RCU_TYPESAFE_TEST) += typesafe.o >>>>> >>>>> Which of course explains the build failure. >>>>> >>>>> I blew away that clone and re-cloned it. And it still failed, both >>>>> with "make" from the commandline and under rcutorture. >>>>> >>>>> Hahahahahahaahaha!!! >>>>> >>>>> I forgot "git add kernel/rcu/typesafe.c". >>>>> >>>>> There is now a new typesafe.2022.02.21a tag with this file added. >>>>> >>>>> Good catch! That file happened to still be lying around. The first >>>>> "git reset --hard" would have destroyed. Thank you!!! >>>>> >>>>> And with that fixed, my clone now builds correctly. Does this fix >>>>> it for you? >>>> >>>> Hi Paul, >>>> >>>> I can't find the tag 'typesafe.2022.02.21a' from https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/refs/tags >>> >>> That would be because I failed to push it out. :-/ >>> >>> Which I just now did, apologies for my confusion. >>> >>> Thanx, Paul >> >> Hi Paul, >> >> I have tested the tag, yes, it's fixed. > > Very good, and thank you! > > May I add your Tested-by? > > Thanx, Paul > Sure, Tested-by: "kernel test robot" Best Regards, Rong Chen