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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 28 Jun 2018 19:24:52 -0400 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 w5SNOpLr9700068 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 28 Jun 2018 23:24:51 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 86F72B2064; Thu, 28 Jun 2018 19:24:41 -0400 (EDT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 66F1BB205F; Thu, 28 Jun 2018 19:24:41 -0400 (EDT) Received: from paulmck-ThinkPad-W541 (unknown [9.70.82.159]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 28 Jun 2018 19:24:41 -0400 (EDT) Received: by paulmck-ThinkPad-W541 (Postfix, from userid 1000) id 3012B16CA2CC; Thu, 28 Jun 2018 16:26:58 -0700 (PDT) Date: Thu, 28 Jun 2018 16:26:58 -0700 From: "Paul E. McKenney" To: kbuild test robot Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org Subject: Re: [rcu:dev 110/110] softirq.c:undefined reference to `rcu_softirq_qs' Reply-To: paulmck@linux.vnet.ibm.com References: <201806290623.hRHgc7MJ%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201806290623.hRHgc7MJ%fengguang.wu@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 x-cbid: 18062823-2213-0000-0000-000002C18741 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009273; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01053754; UDB=6.00540320; IPR=6.00831676; MB=3.00021915; MTD=3.00000008; XFM=3.00000015; UTC=2018-06-28 23:24:53 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18062823-2214-0000-0000-00005AA4AE41 Message-Id: <20180628232658.GS3593@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-06-28_08:,, 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=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=756 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1806280255 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 29, 2018 at 06:46:25AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev > head: 0028a1e4fdbb4263539595da08979d59954d4873 > commit: 0028a1e4fdbb4263539595da08979d59954d4873 [110/110] rcu: Apply RCU-bh QSes to RCU-sched and RCU-preempt when safe > config: i386-alldefconfig (attached as .config) > compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 > reproduce: > git checkout 0028a1e4fdbb4263539595da08979d59954d4873 > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > kernel/softirq.o: In function `__do_softirq': > >> softirq.c:(.softirqentry.text+0x1a9): undefined reference to `rcu_softirq_qs' Oops, need to add !SMP support -- will do! Thanx, Paul