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Tue, 8 Sep 2020 07:53:39 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AF2EB42042; Tue, 8 Sep 2020 07:53:38 +0000 (GMT) Received: from osiris (unknown [9.171.47.162]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Tue, 8 Sep 2020 07:53:38 +0000 (GMT) Date: Tue, 8 Sep 2020 09:53:37 +0200 From: Heiko Carstens To: Janosch Frank Cc: linux-s390@vger.kernel.org, kbuild-all@lists.01.org, borntraeger@de.ibm.com, gor@linux.ibm.com, imbrenda@linux.ibm.com, kvm@vger.kernel.org, david@redhat.com Subject: Re: [PATCH v2 2/2] s390x: Add 3f program exception handler Message-ID: <20200908075337.GA9170@osiris> References: <20200907124700.10374-3-frankja@linux.ibm.com> <202009080542.UHmgfE5u%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202009080542.UHmgfE5u%lkp@intel.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-08_03:2020-09-08,2020-09-08 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 clxscore=1011 mlxscore=0 phishscore=0 mlxlogscore=803 malwarescore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009080066 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hi Janosch, On Tue, Sep 08, 2020 at 05:56:19AM +0800, kernel test robot wrote: > All warnings (new ones prefixed by >>): > > >> arch/s390/mm/fault.c:862:6: warning: no previous prototype for 'do_secure_storage_violation' [-Wmissing-prototypes] > 862 | void do_secure_storage_violation(struct pt_regs *regs) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ > > # https://github.com/0day-ci/linux/commit/4aee662164217d48d050e0d9cf57a2cb2cdeaa8a > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Janosch-Frank/s390x-pv-Fixes-and-improvements/20200908-021233 > git checkout 4aee662164217d48d050e0d9cf57a2cb2cdeaa8a > vim +/do_secure_storage_violation +862 arch/s390/mm/fault.c > > 861 > > 862 void do_secure_storage_violation(struct pt_regs *regs) To get rid of this warning, please add the function prototype to arch/s390/kernel/entry.h. Like we have them for all other program check handlers for this reason as well.