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=-7.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 C1A47C433E0 for ; Wed, 27 May 2020 19:43:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 94F162088E for ; Wed, 27 May 2020 19:43:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590608601; bh=L/KO5yVFOEuH17AbpSijDrxYCXQi8X7ApgmUy9GthUc=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=KgMPbvp1Co9Ur7iIa62rxtP3Se7UB/3Yb1OXu7Vyz7XJq5TDnt1ySF4r5cT5EYzPj efhVMdvbc24O+W6BRYxGDeJqhzF7J9VrV2SHF3GbB1L9rvSjQfmuHTv+xch+KLi1oJ zsMyRNZHmMmJ8tUxiSQe7IKWnDtWIaL58BU88Clg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728082AbgE0TnV (ORCPT ); Wed, 27 May 2020 15:43:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:60060 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725872AbgE0TnU (ORCPT ); Wed, 27 May 2020 15:43:20 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0C9C52088E; Wed, 27 May 2020 19:43:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590608600; bh=L/KO5yVFOEuH17AbpSijDrxYCXQi8X7ApgmUy9GthUc=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=Z9BrtiM1ychzUVqZ3Ov/VVjldBDH+wUDMJ8sFEFVIz6fv9vuu0euFcMSJAs0M4G1p HQB5Le3ABZtIBr9WWEINDdaipNMd2WTQT4M9FVINW9W+BpFnSvk2/KqBzy2AsbbG3O ivNny1lRyOMDU7tSM2pk1oTFPOg2rhDbaZkxCT4g= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id D1117352283B; Wed, 27 May 2020 12:43:19 -0700 (PDT) Date: Wed, 27 May 2020 12:43:19 -0700 From: "Paul E. McKenney" To: kbuild test robot Cc: "Joel Fernandes (Google)" , kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: Re: [rcu:dev.2020.05.26b 51/70] powerpc64-linux-ld: kernel/rcu/refperf.o:(.discard+0x0): multiple definition of `__pcpu_unique_srcu_ctl_perf_srcu_data'; kernel/rcu/rcuperf.o:(.discard+0x0): first defined here Message-ID: <20200527194319.GX2869@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <202005280021.c7upVLgc%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202005280021.c7upVLgc%lkp@intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 28, 2020 at 12:17:23AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2020.05.26b > head: 795279db1396bf66621fa3f343fa990fe543b89e > commit: 786a25497743696d79592b864cafbfe48787e6e1 [51/70] refperf: Add a test to measure performance of read-side synchronization > config: powerpc-allyesconfig (attached as .config) > compiler: powerpc64-linux-gcc (GCC) 9.3.0 > 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 > git checkout 786a25497743696d79592b864cafbfe48787e6e1 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kbuild test robot > > All errors (new ones prefixed by >>, old ones prefixed by <<): > > >> powerpc64-linux-ld: kernel/rcu/refperf.o:(.discard+0x0): multiple definition of `__pcpu_unique_srcu_ctl_perf_srcu_data'; kernel/rcu/rcuperf.o:(.discard+0x0): first defined here Ah, yes, despite the "static" keyword, the names must be unique throughout the kernel. Will fix! Thanx, Paul