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 C2222C433F5 for ; Mon, 9 May 2022 18:33:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240238AbiEIShN (ORCPT ); Mon, 9 May 2022 14:37:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240222AbiEIShK (ORCPT ); Mon, 9 May 2022 14:37:10 -0400 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (mail-dm6nam12on2068.outbound.protection.outlook.com [40.107.243.68]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 765064B1E3 for ; Mon, 9 May 2022 11:33:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=SghI7RcHJdTnISBHMMBpCZxbvH41X+gzOh2i1CmSNNATMwuGoMd5peAu6F4Z4ZF8Uw4PLE/M4E7vuwR3szb0LqUgxwWxNkWVb61iSainqRMN1avBTMuAmLh5QSa5hLRUfIlhpP+sjBxmb9xkXQ4Gp7FJsZ4sYWurcu6bRm1OD0Wl/QxdipdskvzLjhAO7pC5tHwbvb3IF4BHmuM8lR4olBAYfHoKeuQDm/Ld7e3Rmqq7X9zzH9XsAVUTkNZRvZgeBkbyEKuCsOcq/tCFusDUw66HXRUmilhLSOQTqw6TjuHAnJ5ZfgPIuurXj3kWlRQEdeJqbAmtUPBD/I7m0a904Q== 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=CwuYh0u+FGcj9cA4nSzeA+5h+C3emDseAQ2b5sgrH/o=; b=ajwiZtUb1wsKLTNEZnDDT+PWZhNVdcGr4eU02eNb+dJviMh9wbJQX1AhejiHtufAqRkqVfnY2FCuEbVUjdwzhUL4WJ+V013TkT4r/KJAQ1pDMnb5RuvaMhYKHPqPgvnWFlonKtWRscKyApQ7YXia+dydbPqXxgCNhjaCP+USSbLMD7Hbft6tYLTtoqVZZSyG7bOC1M2uXRf01Dtz9B3GPVORZzD0Mw0zdqxfONyY2QOyVK/O0lBRTfI1aFRaNMdczR3XdOsYkmY8uK0LB+Eb+mx14kM/ge5neHHnbfMsGD04HwrEsE6c6bIBKpoulu1w9OSXdSgL3f9PzX/48tiB/A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=CwuYh0u+FGcj9cA4nSzeA+5h+C3emDseAQ2b5sgrH/o=; b=H6l1NokTpKpbvoaQYf0caF0FZV9ubNf4kCmaILG9i6fBVKolxnvWskmbvG7p5Bao3TAeIPay8NKzuStBUEZiHrcI8jJ+3twqTCFTX098/JrW2FudInPO91azBVdB9WBJpRnSx9XlZwnLZ96k51M94LfZnqaOn7Xc+xN+UANBSmnRbX0by+xba6y3ukttru0VK3ob0aelg+S2kiQEP8R3ikd+Iq+kJP/AH7uZFSk5+UZm7GVLu5tqXN4/mcSR2cggBqyegnaQV4xS4XF9MjV7IjKpnktOuqkX5RH0FZnEtWvxC+wyg7Dq+lvkOeyLex6Q4WkK1MpOglfOH8ir8gutYQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from MN2PR12MB4192.namprd12.prod.outlook.com (2603:10b6:208:1d5::15) by MN0PR12MB5812.namprd12.prod.outlook.com (2603:10b6:208:378::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5227.23; Mon, 9 May 2022 18:33:12 +0000 Received: from MN2PR12MB4192.namprd12.prod.outlook.com ([fe80::ec2d:9167:1b47:2db2]) by MN2PR12MB4192.namprd12.prod.outlook.com ([fe80::ec2d:9167:1b47:2db2%5]) with mapi id 15.20.5227.023; Mon, 9 May 2022 18:33:12 +0000 Date: Mon, 9 May 2022 15:33:10 -0300 From: Jason Gunthorpe To: Joerg Roedel Cc: Qian Cai , Alex Williamson , Lu Baolu , Kevin Tian , Liu Yi L , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [RESEND PATCH v8 00/11] Fix BUG_ON in vfio_iommu_group_notifier() Message-ID: <20220509183310.GS49344@nvidia.com> References: <20220418005000.897664-1-baolu.lu@linux.intel.com> <20220502161204.GA22@qian> <20220504115135.GA49344@nvidia.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: MN2PR16CA0050.namprd16.prod.outlook.com (2603:10b6:208:234::19) To MN2PR12MB4192.namprd12.prod.outlook.com (2603:10b6:208:1d5::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f30a86e6-450e-4e2f-6d4e-08da31ea5f4c X-MS-TrafficTypeDiagnostic: MN0PR12MB5812:EE_ X-Microsoft-Antispam-PRVS: 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:MN2PR12MB4192.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(6486002)(54906003)(33656002)(508600001)(66556008)(66946007)(8676002)(66476007)(86362001)(4326008)(316002)(2616005)(6916009)(26005)(38100700002)(6512007)(5660300002)(6506007)(186003)(2906002)(1076003)(4744005)(36756003)(8936002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Q5Ums4rr//fQ65z2dRb5m20fsxc4XCTGpNecpdeB55OqLnQBrwqnyhDixQoC?= =?us-ascii?Q?tZJI86FjB6/IcAl+LeS4yA6KCPpwuFZcPU+qzZKuJ1eUoLlSx+vzsYcOOGQ6?= =?us-ascii?Q?r4OycmN24xvF+6hjxT/uaWJCFCwpllX7j3AoKVwnHEmZsW+Y8a4lXBpsgaMc?= =?us-ascii?Q?bAzia8ndtgG/p2nnrk+/ZtNHdr0YVj7jL2x924V/eg0YLH6w+WrpHfRCs6dh?= =?us-ascii?Q?gPTmmlbZEcFOrpWNhz2wSYESFh9LDhSoJKWmIJy/wgScm46AaPMtITejVFOV?= =?us-ascii?Q?+Lbu8Yl/aNfLQZVEnPJINuxBNWh3w6fez2M9ZeBICMG2Pq6Y7XB6jxH5ujaA?= =?us-ascii?Q?20o4LVnGepAL03pkOj1twTAWUQjyLbwdVrLOM6vBatKorplpQrxLqutUrjCX?= =?us-ascii?Q?G+13tXcafjhVPOTgIMwuihP2GwmIoYBV4/K6CE1DroOEV2WKZlySAqk3IZRA?= =?us-ascii?Q?YqRy0foV4A6xbPKSyQDSz/LPbabkYv9ussKkvyvXoHx4ZZANirQ2LRk8tii4?= =?us-ascii?Q?MPHK9pV+1eSmQrcS9dQaZ4C6X0glZQpp7//qY0lmq2dP09lsO/EMoQobkUOo?= =?us-ascii?Q?ideKb9UTwXusn20EolRFBYpUGMSpVSpMJDTaTwwiZs+u6O4CMey2twP34zul?= =?us-ascii?Q?NpwPAhpeyXpgsQQGuBI8L02Wt+rEz0coq8OaTB9ZK/fmyqi5RQqYN5yUTTl3?= =?us-ascii?Q?lmroRSTE8MCzcZi2W2LdWnkHM3QcnayPl8jzNjvnaTCI/mNObn31+GaxJitM?= =?us-ascii?Q?e7f4LuZ26dYQOZeeCyANr2G06LzXcIPOuU6WhF/GX0dKpKVTiE+HmG1qoQlO?= =?us-ascii?Q?DGubZQMM/gEikmmYDLsycBu4LhojRcu807jjbBa/p8f3Hses1TxjLkwLBPR2?= =?us-ascii?Q?43X3BMzdxXMAJ339Gtye+65BSLgOy0xx33cV1q4dZH0RuKU6S1QwoT8Qgz5w?= =?us-ascii?Q?QqjpG7MnEBktgOiDsVz162e8K5XWH77pgc0S8HgHUyicDkc6WKL5fnGnKxMY?= =?us-ascii?Q?Fm/9ABajiwd0wODJf7zHplts6kpB1VFxj3sHGL3B987MtRx3vPRpU8OBGwKK?= =?us-ascii?Q?2trSPt8AAIsriItN8+UpXIatO0sycndCTw5Sx7MsH1p/z00oqgLRFOZ6aI2y?= =?us-ascii?Q?p5SinUOAcRDAfwwoXGg/xGhgdYchfRzuvfNWnK5RsjDrivO9zAEwTK7ourYL?= =?us-ascii?Q?Xl8UcjMmbRDQ/5oojAS/0ijUv3i9p9ApPqDBA2sdZWfdoO82GPWpfXenMs7f?= =?us-ascii?Q?hp2m0MXdhoX2L1S6deqlcWfn5df5LRslSluH1iIolKzdZlT46xpsmnf9TkJP?= =?us-ascii?Q?+x2FUHUwbt7fx4uwbJhj/vQkMdt3ONYrC0nevsGaHrNzwOHXd/mHjaDGriXq?= =?us-ascii?Q?os6dHbHba98GNiTTnmOuAuWRqWipOczKTnJLgl4WR/DkFQJFplaX79otYdUX?= =?us-ascii?Q?R8Tm65RdXdcSTkZomSkae+i3kkW7ijlRcf2/ai03JjXXecjg7pH0pclhv7ek?= =?us-ascii?Q?AxcvAMRJZzLosAcwbd3NVt9YO0tbYeBVKuxJrv0gjbRSikGXG0ZkeiI7yyMt?= =?us-ascii?Q?IINAnHK1WCTMpGoQeEXkc85NqnqdqDnx7QOCBYNqxYgNLZWLq5GDv28uk16S?= =?us-ascii?Q?fS8Fuu882Fzg9AGtin77bY/FjGTLOzaoX11rtKNMifAPHSWu/c6QzSPhjxaK?= =?us-ascii?Q?VC7d2SFdetdYlHnP0zzH/zu3ZXTAeAWKhQNXTKbd8B7Mge1ISxOTUtUEP72Y?= =?us-ascii?Q?tYd+nCB8Pg=3D=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: f30a86e6-450e-4e2f-6d4e-08da31ea5f4c X-MS-Exchange-CrossTenant-AuthSource: MN2PR12MB4192.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 May 2022 18:33:11.9005 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: GlYrfGBbUjgQ9waBMXdAMpAZ2T4V6Vzq8/ao98fg/EaaZEPuVEyub9yfQK8gA+zR X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5812 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 04, 2022 at 01:57:05PM +0200, Joerg Roedel wrote: > On Wed, May 04, 2022 at 08:51:35AM -0300, Jason Gunthorpe wrote: > > Nicolin and Eric have been testing with this series on ARM for a long > > time now, it is not like it is completely broken. > > Yeah, I am also optimistic this can be fixed soon. But the rule is that > the next branch should only contain patches which I would send to Linus. > And with a known issue in it I wouldn't, so it is excluded at least from > my next branch for now. The topic branch is still alive and I will merge > it again when the fix is in. The fix is out, lets merge it back in so we can have some more time to discover any additional issues. People seem to test when it is in your branch. Thanks, Jason