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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88952C38A2D for ; Fri, 21 Oct 2022 18:57:25 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DE4768E0002; Fri, 21 Oct 2022 14:57:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D94648E0001; Fri, 21 Oct 2022 14:57:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BE6F78E0002; Fri, 21 Oct 2022 14:57:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id AAEFD8E0001 for ; Fri, 21 Oct 2022 14:57:24 -0400 (EDT) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 862D4812C6 for ; Fri, 21 Oct 2022 18:57:24 +0000 (UTC) X-FDA: 80045864808.04.2EBDD3B Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf12.hostedemail.com (Postfix) with ESMTP id 233684001A for ; Fri, 21 Oct 2022 18:57:22 +0000 (UTC) Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 29LIs5HG031008; Fri, 21 Oct 2022 18:57:10 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : content-type : in-reply-to : mime-version; s=corp-2022-7-12; bh=O4/kjM6B9+5UoimDVVfGlVrdMUX76EMFgj4UY154nyY=; b=fBhuAd+TTamzTnf5mSbhsokPIG+lodq2SFi0ypZWYQcwvE6LMdlUcxMZUmJCiAGw86wD 5IAQ1g/gfY/mBoeqPVOjGnoAy0e5FEHU7/560rJ1wThJUlf3EDQIKbpBFGCpesokAGjk WVWRHTnhue//YTrpn2TI7Hu8k+EmHB9ufKUSyDWsfuF1zrkXRCp2RxCvTgh29q3zhNnX UUUij7FN4XQhHgrPAnAZx+lQV9epiVT/4YPOHTo/n3w6HSRvLxHf6+ck8z7oYQvsvBjV mpyePC1jV51DcDuKhcoW2tAMtF5naM9m/K3haV/HOXk37F9/ZTfA94ymvswQWRHIJSE9 Qw== Received: from iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta03.appoci.oracle.com [130.35.103.27]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3k9b7svhcr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 Oct 2022 18:57:09 +0000 Received: from pps.filterd (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.5/8.17.1.5) with ESMTP id 29LIXNMO007263; Fri, 21 Oct 2022 18:57:08 GMT Received: from nam10-mw2-obe.outbound.protection.outlook.com (mail-mw2nam10lp2104.outbound.protection.outlook.com [104.47.55.104]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3k8hre3kte-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 Oct 2022 18:57:08 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=PRyPStRZiXoVtR7U4LKgTr5AgOGozM5yuv6rFVpj4MwJiDeqgCD4KK3UPkPV2+QRZPglCEGnLOJ8WPQawztbVs2RJHMgjvyO2XmMttOgGv6atD3JKXcRvk+h7uQM47m80kAgaHqK4U6VoVkqzrGqpuPsD4dsGP6SwZLvisL4UoHn3K7jD5nqIa6+5bkO6lOHBH85/U81tSqe36bOoE5r4O2SZSq8tNy56+1QB53fyS1lavzDVjFS38qw/rg2Nf43vSYmj299w9CnW+4FnA0N4l23x594a6+8eftM2JZvU7h0HoVPQSPCfF6T0FT6pfOWZ+rBkPVcP6hOGhFsMFNwpg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=O4/kjM6B9+5UoimDVVfGlVrdMUX76EMFgj4UY154nyY=; b=oU/eWDpMJrJUpfxwkcDunKHc9c0TEBbdozj1FInuMS0trBnwjXLxaHlrGwa7c7dSrMXCW7L2AcGT7dARiWrfoixUsKPiX2NTBBMiGSutBade6a2hq/YJ2wRcT6E3wP8HwfVbT6g13TStBB+nyCaRU/n6Mk2W50sqzlDxukYGjPVdB/Gya/aI+22oPquB2+EbDjmeiCEUGB+sYmPd7BK3qyfb299IUltphshb/ZYefiEatdUtGn1coebCuG9WSKdPoJVh45bKcSpVFpYksAdghyjo5TzGa2BAqMYamPwwUrPIEvs71zUcY6b1WI/t8imRLw7JKmndBJuxeKiU4RIpog== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=O4/kjM6B9+5UoimDVVfGlVrdMUX76EMFgj4UY154nyY=; b=Dhds2iv82QQU9ug+iMb9QDZXUrdWBhcJvk5Nr9UXJo7pl9o59E6MfPS5mKsyz8C33CnTPUYvuA6XoSC+TN8Fp79sOgg8a6ctVgMJEkpKhXFVL4wnruIO5NB9eqZhhXGgg0YnlCNFOGY3Fi6fWlp9pZz7axlxePfbnmaUVcTcQoE= Received: from BY5PR10MB4196.namprd10.prod.outlook.com (2603:10b6:a03:20d::23) by CO1PR10MB4434.namprd10.prod.outlook.com (2603:10b6:303:9a::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5723.34; Fri, 21 Oct 2022 18:57:04 +0000 Received: from BY5PR10MB4196.namprd10.prod.outlook.com ([fe80::5f85:c22e:b7fa:21bd]) by BY5PR10MB4196.namprd10.prod.outlook.com ([fe80::5f85:c22e:b7fa:21bd%5]) with mapi id 15.20.5746.021; Fri, 21 Oct 2022 18:57:04 +0000 Date: Fri, 21 Oct 2022 11:57:00 -0700 From: Mike Kravetz To: kernel test robot Cc: lkp@lists.01.org, lkp@intel.com, Andrew Morton , Miaohe Lin , Andrea Arcangeli , "Aneesh Kumar K.V" , Axel Rasmussen , David Hildenbrand , Davidlohr Bueso , James Houghton , "Kirill A. Shutemov" , Michal Hocko , Mina Almasry , Muchun Song , Naoya Horiguchi , Pasha Tatashin , Peter Xu , Prakash Sangappa , Sven Schnelle , linux-kernel@vger.kernel.org, linux-mm@kvack.org, regressions@lists.linux.dev Subject: Re: [hugetlbfs] 3a47c54f09: kernel-selftests.vm.run_vmtests.sh../userfaultfd_hugetlb_256_32.fail Message-ID: References: <202210211425.92ab6e9-yujie.liu@intel.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202210211425.92ab6e9-yujie.liu@intel.com> X-ClientProxiedBy: MW4PR03CA0326.namprd03.prod.outlook.com (2603:10b6:303:dd::31) To BY5PR10MB4196.namprd10.prod.outlook.com (2603:10b6:a03:20d::23) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY5PR10MB4196:EE_|CO1PR10MB4434:EE_ X-MS-Office365-Filtering-Correlation-Id: de8a1d7d-0723-4d25-ad79-08dab3960b07 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BY5PR10MB4196.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230022)(7916004)(376002)(136003)(39860400002)(366004)(346002)(396003)(451199015)(6486002)(38100700002)(5660300002)(6666004)(54906003)(6916009)(2906002)(4001150100001)(478600001)(8936002)(33716001)(83380400001)(7416002)(41300700001)(26005)(86362001)(9686003)(316002)(6512007)(53546011)(186003)(6506007)(66946007)(4326008)(66476007)(66556008)(44832011)(8676002)(4744005);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?/iOHyiPPq6ugWcba1kQpV3sUANeIphPnZMyB/MZDkWgSfmtGptmKkbpkGS5u?= =?us-ascii?Q?jW41eaKw3e+190o8dI6GyDhCx58Q06Z4RyobaBucdhYwzhCm5LTYVNOSxbPK?= =?us-ascii?Q?TLQib02dw0rp3xly/r6Hgrk6g249escYMewB6D6reOBJzD3m8lDwV1LFRc1Q?= =?us-ascii?Q?3xXgLyBLnjru8/NJr40Xs7z9+6LxRme6dRvgN5naNcEGoOkDbkRNxoaje1wa?= =?us-ascii?Q?WvUFkJFNsf72n9s3dDW6zztqM9fACJ5F5+aIQcUUdT1GkHQzWzUO9sAN7UhH?= =?us-ascii?Q?1wzL6h90UE0WfJnfvP0HDZOu2aa+S6rIvxNxGkQp3Mvnis/HPPdR4pRITdHO?= =?us-ascii?Q?RiXvfZIBB1A3V5zxxIHt/BFgbPZ+bGZpNeOZWYA7i6A0+tYi+2LN/QLO7Sj3?= =?us-ascii?Q?ebpZyRXbdpFYVgTlaw47W6XpOFWBeJX45qG6keiL/4+cloLwO532cU0AP4pG?= =?us-ascii?Q?gl6PpJnpH6B7TK7g7KsX0wUkOXnm2zoF4o9FSRoOCE5DEKYPlTY55VaUyGp3?= =?us-ascii?Q?J3bD86/A3qYQjRMYP2CcjmjbDj1ZJbb8ZpwLzRHhWHT/i79TRD5JP6SUQDO4?= =?us-ascii?Q?g1UY342dXUI/LYK4iSc9borvfdDy1mrybnpZA4Mf5I584nuVftzzSuuKSBBP?= =?us-ascii?Q?TliHBrCuGYj2ztLRNH04cUAzekmpjvQF49xJXOM/M2QB1ylbGAyhFzz0eDpL?= =?us-ascii?Q?H1kHo4+KfRipU+cOr22kwC1rsQoY6PbEx4tdo5hVcEvS2LOlg20OenuEpGyn?= =?us-ascii?Q?MycXJPwbdIP77YX4kVIX8xyFkf8gdVEGG7Qs7jYYIjYYOfXUfFJH9WtFicbN?= =?us-ascii?Q?pMvn09KSrxPiCKah3r4WHpnPWOyCdkhF4cRwjR9HZvcAEBimzLljxOeAy8No?= =?us-ascii?Q?CTrosVQm7mQJBiBMfK6aX19REYuERY5lGsP2Pp/uC4kNnA+UAUGpRF5Qqcxp?= =?us-ascii?Q?b4DOSc5iNN9JOIFDsh8do4fm5F2sn2ZItpqyH8iwtigw7fQFuhKdAng34wP6?= =?us-ascii?Q?lNNRnPQeN/vYgyWQZYhUU2u8yWmiAN9iDORkcGzpSHvHNFa1Bc+dDUuI0Z36?= =?us-ascii?Q?VXc1tGZy5Whn4yDPSUyGqay+LGjwzB4TDFOu1fX9veq1YPmfseR0P+TEuAbi?= =?us-ascii?Q?QKKnN4hHMFRVaGTbGwDC1yJdvyCrAS5JIbCY2euO3eyHwLip+ehL6WoWMpW8?= =?us-ascii?Q?lzrDf6mUzPIpX/22U9wkrg9e0IJGEJYvdpIXZ4cuK2Ly9YO5y5refjNcdnIq?= =?us-ascii?Q?9alEaZL7WehxzyzMyfmJVg+QrKdliDYMqJaIpl3xJmEJYJ5x6gYyVemS1GmH?= =?us-ascii?Q?OZC+e8f6/jQq1x+hKqC805x5SzuzDSArCm499DfqB3NtOd7RuvdMhEiAe0XF?= =?us-ascii?Q?nbHGu0PdzzYanB9Z7BzyPcH5ru2cRrnxnT+yM6pVJSvYF9xY9w8P0nCuBog4?= =?us-ascii?Q?yz1tmqaSPX+uKOxLFsRUtbzqqhj3XRuEQoGSKFAXuwJ7S2WZOjXNDwAqE2QW?= =?us-ascii?Q?PfO187wa+LOXRBshsi8HVFDMvK8KCNIG+vxM2udCDQBLJqBUoWZCaxX00c3f?= =?us-ascii?Q?aQoDos9llTsJA5yZdc4463zpEoPAceV/+oxgI9TpaYhkMkvIGygfJhqadawe?= =?us-ascii?Q?KA=3D=3D?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: de8a1d7d-0723-4d25-ad79-08dab3960b07 X-MS-Exchange-CrossTenant-AuthSource: BY5PR10MB4196.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Oct 2022 18:57:04.1302 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 5Wy9j+Dz78Ie7uIOZ7vJ66n4EZ0KJBnB9CRRfWCWDI8O77h+sYN8RYWljf3XSy0f00UCMe389RETWpMIeqUPLg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4434 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-10-21_04,2022-10-21_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 spamscore=0 bulkscore=0 mlxscore=0 phishscore=0 suspectscore=0 adultscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210210111 X-Proofpoint-GUID: F1_lxwsp6gFSAdwNl4h3EoiG1HxxuWUK X-Proofpoint-ORIG-GUID: F1_lxwsp6gFSAdwNl4h3EoiG1HxxuWUK ARC-Authentication-Results: i=2; imf12.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2022-7-12 header.b=fBhuAd+T; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=Dhds2iv8; arc=pass ("microsoft.com:s=arcselector9901:i=1"); spf=pass (imf12.hostedemail.com: domain of mike.kravetz@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=mike.kravetz@oracle.com; dmarc=pass (policy=none) header.from=oracle.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1666378643; a=rsa-sha256; cv=pass; b=BRuf9aN6wqik2hF+gKLmekpRKTl+JEOLr/yV7ybn5YTwB9fwV7nICEGwKxUbmkZ5edOfXY OgQQWNKN00+bjnVTKH9ix8romMw5Q1sOQ+CBvI3lXKr43Hsdes1lDrSpzK93tPbUp/+ZWf vZXjNQmPD/Tjn1NqC1MUATF+1kFtKQY= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1666378643; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=O4/kjM6B9+5UoimDVVfGlVrdMUX76EMFgj4UY154nyY=; b=eLMTLTS23XKFuEHuhrCujamTbeyK5VXHM58l9GAP1KX5aYec3cCKe6uaLpg4JKJclD2Fdo zViX/KU/8LzHLrkLrncB8S8FPCeOhH9WA5a6KLiWkqPzDkwr1GPZ/1SXetRHhpczJuAQDh RTEBaaPnssMrHVXgMSqYtkwLozAFvzU= Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2022-7-12 header.b=fBhuAd+T; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=Dhds2iv8; arc=pass ("microsoft.com:s=arcselector9901:i=1"); spf=pass (imf12.hostedemail.com: domain of mike.kravetz@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=mike.kravetz@oracle.com; dmarc=pass (policy=none) header.from=oracle.com X-Rspam-User: X-Rspamd-Server: rspam10 X-Stat-Signature: xsytm4c7gup69zbfy5qbsdsmzuwtfx6k X-Rspamd-Queue-Id: 233684001A X-HE-Tag: 1666378642-901839 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 10/21/22 16:04, kernel test robot wrote: > Hi Mike, > > We noticed below commit reverts some hugetlb related code in fault path, > and we happened to catch a "userfaultfd hugetlb" selftests failure on > this commit. Could you please help check if this is an expected result? > > The commit message mentions about: > > "In subsequent patches, a new synchronization mechanism will be added to > coordinate pmd sharing and eliminate this race." > > We noticed this failure still exists on the latest mainline head > e35184f321518 ("Merge tag 'drm-fixes-2022-10-21' of git://anongit.freedesktop.org/drm/drm") > > Please kindly let us know if you'd like us to keep tracking this issue on > mainline, or please feel free to ignore this report if this issue is not > that important. Fixed with commit 2ea7ff1e39cb "mm/hugetlb: fix race condition of uffd missing/minor handling" -- Mike Kravetz