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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 187C5C433FF for ; Wed, 7 Aug 2019 22:38:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E890821743 for ; Wed, 7 Aug 2019 22:38:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730234AbfHGWiQ (ORCPT ); Wed, 7 Aug 2019 18:38:16 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:65110 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727213AbfHGWiQ (ORCPT ); Wed, 7 Aug 2019 18:38:16 -0400 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x77MagP0143665; Wed, 7 Aug 2019 18:38:12 -0400 Received: from ppma03dal.us.ibm.com (b.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.11]) by mx0a-001b2d01.pphosted.com with ESMTP id 2u846f7qy1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 07 Aug 2019 18:38:12 -0400 Received: from pps.filterd (ppma03dal.us.ibm.com [127.0.0.1]) by ppma03dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id x77MYgVs031122; Wed, 7 Aug 2019 22:38:09 GMT Received: from b01cxnp22035.gho.pok.ibm.com (b01cxnp22035.gho.pok.ibm.com [9.57.198.25]) by ppma03dal.us.ibm.com with ESMTP id 2u51w72xgq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 07 Aug 2019 22:38:09 +0000 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp22035.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x77Mc8cI44958112 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 7 Aug 2019 22:38:08 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6AA31B2066; Wed, 7 Aug 2019 22:38:08 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4E71AB2064; Wed, 7 Aug 2019 22:38:08 +0000 (GMT) Received: from paulmck-ThinkPad-W541 (unknown [9.70.82.154]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Wed, 7 Aug 2019 22:38:08 +0000 (GMT) Received: by paulmck-ThinkPad-W541 (Postfix, from userid 1000) id 4982516C9A48; Wed, 7 Aug 2019 15:38:09 -0700 (PDT) Date: Wed, 7 Aug 2019 15:38:09 -0700 From: "Paul E. McKenney" To: kbuild test robot Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org Subject: Re: [rcu:dev.2019.07.31a 122/123] ERROR: "tick_nohz_dep_set_task" [kernel/rcu/rcutorture.ko] undefined! Message-ID: <20190807223809.GJ28441@linux.ibm.com> Reply-To: paulmck@linux.ibm.com References: <201908080655.i4dbZSUm%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201908080655.i4dbZSUm%lkp@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-07_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=972 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908070196 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 08, 2019 at 06:06:58AM +0800, kbuild test robot wrote: > tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2019.07.31a > head: 71cf692f482ff45802352cf85a8880035fca9e52 > commit: 1e900d78f345ee808992b1212c0388a5c8381b96 [122/123] rcutorture: Force on tick for readers and callback flooders > config: x86_64-randconfig-h001-201930 (attached as .config) > compiler: gcc-7 (Debian 7.4.0-10) 7.4.0 > reproduce: > git checkout 1e900d78f345ee808992b1212c0388a5c8381b96 > # save the attached .config to linux build tree > make ARCH=x86_64 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > > All errors (new ones prefixed by >>): > > >> ERROR: "tick_nohz_dep_set_task" [kernel/rcu/rcutorture.ko] undefined! > >> ERROR: "tick_nohz_dep_clear_task" [kernel/rcu/rcutorture.ko] undefined! > >> ERROR: "tick_nohz_full_running" [kernel/rcu/rcutorture.ko] undefined! This commit has been fixed by bb72f77a5503 ("rcutorture: Force on tick for readers and callback flooders"), which no longer invokes these three functions. Thanx, Paul