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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 308F2C433F5 for ; Mon, 4 Apr 2022 08:11:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349754AbiDDINR (ORCPT ); Mon, 4 Apr 2022 04:13:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377932AbiDDIMz (ORCPT ); Mon, 4 Apr 2022 04:12:55 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55A2E2FFDC for ; Mon, 4 Apr 2022 01:10:57 -0700 (PDT) Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 2345SN60030809; Mon, 4 Apr 2022 08:10:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : in-reply-to : references : date : message-id : content-type : mime-version; s=pp1; bh=tAKXQfMvRCEEIiiVSojR/R8R8Ht2XcOJOM3wBqpNUEc=; b=Czk3k9UW6HBSWYUbb3JnMa8ho39iJgQ32ONPKsSQ5WfueOp6uFzs29GLrX8SY8TKXuBS o/AB9atB++ssUjjzg0sJP17/M5DG4WkonXjZVAwiBaMDrsrIYMBc5yZF1kURzRqTkFbb wQgHpCCurTH6s4TmM2xCelQ0dWQQ2cxJKacqgRs/kYkcPjyf6C4RKiloAr/+T4WnoCIr QBJ8gDAXnOe7FpmgRz6e00nHeOe8WbbM5N7IqisZxirs/5j98YVQ5cFkxidLOZ/ECXhZ +CmBEJC7dhqTwQTtcgZni5pgPRC0OvuaQR/pOV14esy2A8G7CIRIcTR4TDsQB/0nmALw dA== Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0a-001b2d01.pphosted.com with ESMTP id 3f7035urnw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 04 Apr 2022 08:10:49 +0000 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 234890Ts022378; Mon, 4 Apr 2022 08:10:48 GMT Received: from b01cxnp23033.gho.pok.ibm.com (b01cxnp23033.gho.pok.ibm.com [9.57.198.28]) by ppma05wdc.us.ibm.com with ESMTP id 3f6e48nxjn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 04 Apr 2022 08:10:48 +0000 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 2348AlpY41812432 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 4 Apr 2022 08:10:47 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 81B03B2068; Mon, 4 Apr 2022 08:10:47 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6E37AB2071; Mon, 4 Apr 2022 08:10:44 +0000 (GMT) Received: from skywalker.linux.ibm.com (unknown [9.43.46.85]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Mon, 4 Apr 2022 08:10:44 +0000 (GMT) X-Mailer: emacs 29.0.50 (via feedmail 11-beta-1 I) From: "Aneesh Kumar K.V" To: paulmck@kernel.org, kernel test robot Cc: linux-kernel@vger.kernel.org Subject: Re: [paulmck-rcu:fastexp.2022.04.01a] BUILD REGRESSION d9f3e7d671416fdf5b61f094765754269b652db0 In-Reply-To: <20220402161148.GK4285@paulmck-ThinkPad-P17-Gen-1> References: <62486f05.ithFB6YqfjaeQiXK%lkp@intel.com> <20220402161148.GK4285@paulmck-ThinkPad-P17-Gen-1> Date: Mon, 04 Apr 2022 13:40:41 +0530 Message-ID: <87fsmtmfpa.fsf@linux.ibm.com> Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 1crnnamSpFLVdQFy6S4GzguIrqtWVT4s X-Proofpoint-GUID: 1crnnamSpFLVdQFy6S4GzguIrqtWVT4s X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-04-04_02,2022-03-31_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxscore=0 impostorscore=0 lowpriorityscore=0 mlxlogscore=663 priorityscore=1501 phishscore=0 suspectscore=0 clxscore=1011 adultscore=0 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204040045 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "Paul E. McKenney" writes: > On Sat, Apr 02, 2022 at 11:43:01PM +0800, kernel test robot wrote: >> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git fastexp.2022.04.01a >> branch HEAD: d9f3e7d671416fdf5b61f094765754269b652db0 EXP rcu: Move expedited grace period (GP) work to RT kthread_worker >> >> Error/Warning reports: >> >> https://lore.kernel.org/lkml/202204021454.WDwBbwVL-lkp@intel.com >> >> Error/Warning: (recently discovered and may have been fixed) >> >> arch/powerpc/include/asm/book3s/64/pgtable-64k.h:60:1: error: no return statement in function returning non-void > > Adding Aneesh on CC. My kneejerk reaction would be to add a > "return 0" to this function, but there might be a reason why it > looks like this: yes, that should work. Do you want me to send a patch for this? Or will it get folded with other changes? > > /* > * This should never get called > */ > static inline int get_hugepd_cache_index(int index) > { > BUG(); > } > > Working on the other problem with RCU's Kconfig options. > -aneesh