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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 1ED01C433E1 for ; Wed, 24 Jun 2020 14:41:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 09D4E20738 for ; Wed, 24 Jun 2020 14:41:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391218AbgFXOl2 (ORCPT ); Wed, 24 Jun 2020 10:41:28 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:2384 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389836AbgFXOlZ (ORCPT ); Wed, 24 Jun 2020 10:41:25 -0400 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 05OEXFqX135508; Wed, 24 Jun 2020 10:40:26 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 31uwyym7wv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 24 Jun 2020 10:40:26 -0400 Received: from m0098393.ppops.net (m0098393.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 05OEXTZ2137306; Wed, 24 Jun 2020 10:40:26 -0400 Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0a-001b2d01.pphosted.com with ESMTP id 31uwyym7ut-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 24 Jun 2020 10:40:25 -0400 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 05OEbebC005715; Wed, 24 Jun 2020 14:40:22 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma06ams.nl.ibm.com with ESMTP id 31uusjgqb6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 24 Jun 2020 14:40:22 +0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 05OEeJGu19136648 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 24 Jun 2020 14:40:20 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C6EA85205A; Wed, 24 Jun 2020 14:40:19 +0000 (GMT) Received: from oc3871087118.ibm.com (unknown [9.145.59.63]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTPS id 16FBF52051; Wed, 24 Jun 2020 14:40:18 +0000 (GMT) Date: Wed, 24 Jun 2020 16:40:16 +0200 From: Alexander Gordeev To: Gerald Schaefer Cc: Anshuman Khandual , linux-mm@kvack.org, christophe.leroy@c-s.fr, ziy@nvidia.com, Jonathan Corbet , Andrew Morton , Mike Rapoport , Vineet Gupta , Catalin Marinas , Will Deacon , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , "Kirill A . Shutemov" , Paul Walmsley , Palmer Dabbelt , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Christophe Leroy Subject: Re: [PATCH V3 0/4] mm/debug_vm_pgtable: Add some more tests Message-ID: <20200624144015.GD24934@oc3871087118.ibm.com> References: <1592192277-8421-1-git-send-email-anshuman.khandual@arm.com> <70ddc7dd-b688-b73e-642a-6363178c8cdd@arm.com> <20200624110539.GC24934@oc3871087118.ibm.com> <20200624134808.0c460862@thinkpad> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200624134808.0c460862@thinkpad> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.687 definitions=2020-06-24_08:2020-06-24,2020-06-24 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 cotscore=-2147483648 mlxscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 mlxlogscore=870 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006240106 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 24, 2020 at 01:48:08PM +0200, Gerald Schaefer wrote: > On Wed, 24 Jun 2020 13:05:39 +0200 > Alexander Gordeev wrote: > > > On Wed, Jun 24, 2020 at 08:43:10AM +0530, Anshuman Khandual wrote: > > > > [...] > > > > > Hello Gerald/Christophe/Vineet, > > > > > > It would be really great if you could give this series a quick test > > > on s390/ppc/arc platforms respectively. Thank you. > > > > That worked for me with the default and debug s390 configurations. > > Would you like to try with some particular options or combinations > > of the options? > > It will be enabled automatically on all archs that set > ARCH_HAS_DEBUG_VM_PGTABLE, which we do for s390 unconditionally. > Also, DEBUG_VM has to be set, which we have only in the debug config. > So only the s390 debug config will have it enabled, you can check > dmesg for "debug_vm_pgtable" to see when / where it was run, and if it > triggered any warnings. Yes, that is what I did ;) I should have been more clear. I wonder whether Anshuman has in mind other options which possibly makes sense to set or unset and check how it goes with non-standard configurations. > I also checked with the v3 series, and it works fine for s390.