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 B1512C433F5 for ; Tue, 22 Feb 2022 08:30:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229808AbiBVIbN (ORCPT ); Tue, 22 Feb 2022 03:31:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229539AbiBVIbJ (ORCPT ); Tue, 22 Feb 2022 03:31:09 -0500 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03D4B157234 for ; Tue, 22 Feb 2022 00:30:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645518645; x=1677054645; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=p/uQG9xFm7ykKXUfDUkdJBF+6OfW00wuzETwMOs/iqg=; b=Zmad2E/yLc2Q/Glw4sGoWO/1v+oInXZCwQ4knMgcr/aa9pWqm4v9NNKU c3gie+ZMc5fdTyep1A1x32r0QwtE1cucO3kRBhd+d/tld6Y+TQNsTVjoz nuUlhAeHhfu03KsyEeo0IMSfsBtLojXi/nI/811mTc/prg0ZDpwG+naQS Ov3a/MeG3rsIfF59p9DLVj1gmDgEudFVDLJ1KRjgR80DHSZQ6YpbGJbNw lIJGLrbXdvQz5RPeYfSyjfhlCqMp5KurA6rjQJ/tgG+vGC55T7slnvb32 33W2JJ5wT7cB+pwG5iQiIX4aYoSbK1qWYvKEsP+Z6oW/O5oPRyLCYorgX Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10265"; a="312386723" X-IronPort-AV: E=Sophos;i="5.88,387,1635231600"; d="scan'208";a="312386723" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Feb 2022 00:30:44 -0800 X-IronPort-AV: E=Sophos;i="5.88,387,1635231600"; d="scan'208";a="547641849" Received: from rongch2-mobl.ccr.corp.intel.com (HELO [10.255.31.219]) ([10.255.31.219]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Feb 2022 00:30:43 -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, kernel test robot Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org References: <202202220308.TNib9D2v-lkp@intel.com> <20220221214736.GE4285@paulmck-ThinkPad-P17-Gen-1> From: "Chen, Rong A" Message-ID: Date: Tue, 22 Feb 2022 16:30:40 +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: <20220221214736.GE4285@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 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 Best Regards, Rong Chen > > Thanx, Paul > _______________________________________________ > kbuild-all mailing list -- kbuild-all@lists.01.org > To unsubscribe send an email to kbuild-all-leave@lists.01.org >