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McKenney" To: kbuild test robot Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org Subject: Re: [rcu:dev 119/161] ERROR: "rcu_barrier" [fs/isofs/isofs.ko] undefined! Reply-To: paulmck@linux.vnet.ibm.com References: <201807040653.xcSP674j%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201807040653.xcSP674j%fengguang.wu@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 x-cbid: 18070411-0060-0000-0000-000002873147 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009307; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01056395; UDB=6.00541904; IPR=6.00834317; MB=3.00021991; MTD=3.00000008; XFM=3.00000015; UTC=2018-07-04 11:28:48 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18070411-0061-0000-0000-000045AD0659 Message-Id: <20180704113100.GI3593@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-07-04_04:,, 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=895 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1807040133 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 04, 2018 at 06:20:56AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev > head: 472755d5ff3ee21ad16e0a0a06e087b7569eaffe > commit: 16bf6b3b61864e444bae5e4a7cf121f777893a8c [119/161] rcu: Express Tiny RCU updates in terms of RCU rather than RCU-sched > config: um-x86_64_defconfig (attached as .config) > compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 > reproduce: > git checkout 16bf6b3b61864e444bae5e4a7cf121f777893a8c > # save the attached .config to linux build tree > make ARCH=um SUBARCH=x86_64 > > All errors (new ones prefixed by >>): > > >> ERROR: "rcu_barrier" [fs/isofs/isofs.ko] undefined! Gah! I forgot to update the EXPORT_SYMBOL_GPL() to match the function name. Good catch, will fix, thank you! Thanx, Paul