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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 32554CAC586 for ; Mon, 8 Sep 2025 13:35:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7E1328E001C; Mon, 8 Sep 2025 09:35:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7B8878E000E; Mon, 8 Sep 2025 09:35:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6A72B8E001C; Mon, 8 Sep 2025 09:35:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 577708E000E for ; Mon, 8 Sep 2025 09:35:46 -0400 (EDT) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id EB9705687F for ; Mon, 8 Sep 2025 13:35:45 +0000 (UTC) X-FDA: 83866180650.23.6A4A214 Received: from NAM11-CO1-obe.outbound.protection.outlook.com (mail-co1nam11on2072.outbound.protection.outlook.com [40.107.220.72]) by imf22.hostedemail.com (Postfix) with ESMTP id 1F6DAC000E for ; Mon, 8 Sep 2025 13:35:42 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=Nvidia.com header.s=selector2 header.b=YJjLy7lc; spf=pass (imf22.hostedemail.com: domain of jgg@nvidia.com designates 40.107.220.72 as permitted sender) smtp.mailfrom=jgg@nvidia.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); dmarc=pass (policy=reject) header.from=nvidia.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1757338543; 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=4kKs0ULVrmsp0q9pUjSjwYRoJS6dVCpdN8WM8V3+MSg=; b=Wr81M+hvSiD8Uye4iFzWikOnd8l+/atp98DhXuycIiMdjFuF4xOkPxmd1YU73m5Jw4q5uh 66XGF5GtSI1Vpap6Ydcg+bBSlPNq/nzt7mhRHKHWFWT9++QSeIWK8qo+uSLMexKo1tckDJ 0qNcUB/5E587W7liV8CFFWThySctCBM= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1757338543; a=rsa-sha256; cv=pass; b=tRfK7SiXLlsUcZ4ko5vwfZ64GGgyd6JNBt34rAajUJNEdRHTy7k8riYtBIuIMQL5bRqZ4y A4AGk3Q245+A8Ws8F8QxYJzhHpV8dVbJfWfWxbABGxXRmx1mnBldJktmrkHEghV0OiBHp5 xiGVaGPgcSky2ryv9MDLqQEn4QWSdBY= ARC-Authentication-Results: i=2; imf22.hostedemail.com; dkim=pass header.d=Nvidia.com header.s=selector2 header.b=YJjLy7lc; spf=pass (imf22.hostedemail.com: domain of jgg@nvidia.com designates 40.107.220.72 as permitted sender) smtp.mailfrom=jgg@nvidia.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); dmarc=pass (policy=reject) header.from=nvidia.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Fm/QNG5CWPQm0vheGQPQ43eTSlWS5GAI/KK9xDOZ5eVgVk0Iu04rmGMrVyGhdiq6FjAjXPmz0zlJyl/jPbPOaKqIbjN+P+AedYQJKzDI21XGkXUNSfS/9CtPWNcuY+DnUS2F1RCaPwbiOGyvGw56Z+4hfYaPxj1hpt25cv/66QOIlVngsyF3iPduuOsCmxKlXCNGeKaXAEAOAuyG/L+CkKYjuxdMuxEWsIhX73Aibg7QqmwQJEWY9d92w++TzWTe/6TrvrdoknTQOrwl9Td9+L6qy4oMxHvPP2//vQSXw7HpWTV/qJKuszav31BPGPNC334UPsQFNHKcI2LMpNkpCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=4kKs0ULVrmsp0q9pUjSjwYRoJS6dVCpdN8WM8V3+MSg=; b=DxeKHxWI4eQHO3LKQO4CR9zpe0f2MnrLLN98sNl6qZ5+3dEV4CMpp/1C9acYBQttZ/JHdoqFLROLE5eaOD9tLXGcRNQr4D35HgdBZGFrn8sIAgtUThZjJSypsYpwERBqL/Fx4FYM1djlRB4vDhaBk+z+VF8ful+Sdl3ewqLKyJQbjYNFmV+96/zTS6KG60RuzvL4ovJByOy1ReMGb8cYNVMUieLcw7JL/Il1xtbUC/SomgrgBqGOaZjyouvlN9sVGXfCqOqyAvrgkj3+Z520AgomKdmHUjupHi+92bqKVibO45Z01unxya6tS2UxRSAldz4rYKeZEN7RnvIAbHZMSQ== 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=4kKs0ULVrmsp0q9pUjSjwYRoJS6dVCpdN8WM8V3+MSg=; b=YJjLy7lc9LUmqfH+mFtFoVf4bnkGJ1AIrD0ukz5Ins89E3/y9ryTE2rrTSX1m0Ye+tPjj0j/mwhyuPPTUOkDOo62Dm6Q1ORBX43YApn5NjAPpMyDfMAMawCR6Ra65GOfJ4qpZnS5+EuJGoNEnpACGUdURCsArInoQ6DMCC7w3hG6fCxBIFvrOkH7ZCmy88etGqL3B1xB9p3ZUMT7t0TNtYQH85ryOigRCN3su+0PP9QNn8xj81gcCdK/5PhtdnXmBm9BtQRUI789BkQYl8q1ASi8TyIKj1KQFtqDlD4vGt9ql3D3APDeCShaeH/ZTCdwmnwmtboJBwgdPbM2c5W7pQ== Received: from PH7PR12MB5757.namprd12.prod.outlook.com (2603:10b6:510:1d0::13) by CH1PPFC8B3B7859.namprd12.prod.outlook.com (2603:10b6:61f:fc00::622) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9052.30; Mon, 8 Sep 2025 13:35:40 +0000 Received: from PH7PR12MB5757.namprd12.prod.outlook.com ([fe80::f012:300c:6bf4:7632]) by PH7PR12MB5757.namprd12.prod.outlook.com ([fe80::f012:300c:6bf4:7632%2]) with mapi id 15.20.9094.017; Mon, 8 Sep 2025 13:35:39 +0000 Date: Mon, 8 Sep 2025 10:35:38 -0300 From: Jason Gunthorpe To: Lorenzo Stoakes Cc: Andrew Morton , Jonathan Corbet , Matthew Wilcox , Guo Ren , Thomas Bogendoerfer , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , "David S . Miller" , Andreas Larsson , Arnd Bergmann , Greg Kroah-Hartman , Dan Williams , Vishal Verma , Dave Jiang , Nicolas Pitre , Muchun Song , Oscar Salvador , David Hildenbrand , Konstantin Komarov , Baoquan He , Vivek Goyal , Dave Young , Tony Luck , Reinette Chatre , Dave Martin , James Morse , Alexander Viro , Christian Brauner , Jan Kara , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Hugh Dickins , Baolin Wang , Uladzislau Rezki , Dmitry Vyukov , Andrey Konovalov , Jann Horn , Pedro Falcato , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-csky@vger.kernel.org, linux-mips@vger.kernel.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org, linux-mm@kvack.org, ntfs3@lists.linux.dev, kexec@lists.infradead.org, kasan-dev@googlegroups.com Subject: Re: [PATCH 08/16] mm: add remap_pfn_range_prepare(), remap_pfn_range_complete() Message-ID: <20250908133538.GF616306@nvidia.com> References: <895d7744c693aa8744fd08e0098d16332dfb359c.1757329751.git.lorenzo.stoakes@oracle.com> <20250908130015.GZ616306@nvidia.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: YT4PR01CA0235.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:eb::23) To PH7PR12MB5757.namprd12.prod.outlook.com (2603:10b6:510:1d0::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH7PR12MB5757:EE_|CH1PPFC8B3B7859:EE_ X-MS-Office365-Filtering-Correlation-Id: 2b1abce0-3b27-4a91-4505-08ddeedc99ad X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?q5Sc4kxW2Htk7RIituyQkliTWEMFyz0aoHo7O5B93rDmRzoomgRYwui9DXX6?= =?us-ascii?Q?GAK5kpXqzhClfYVzGYGgsAwW7c1BFkvzCJCchI1XGWuwWwdBvzawEUmhcEmV?= =?us-ascii?Q?+CzfQ4wCJhM/69WPS5Bq2BbNvsrNMHUhrCgp4ouuEEewl08EDVuYsaPLVxPw?= =?us-ascii?Q?Rm8mc6eitT28ULRMQ+mYafg0CamBYszp5+qaCOWwkovBLEqnddi/fI8QAKM0?= =?us-ascii?Q?VfrJuYLl2bIR9ZrsxrUa6mvjVJ1PhM9Borsyb/0Q0kRthnLWjjt2zn5J5EVc?= =?us-ascii?Q?yvecmnkeaeRNXX8kIiJCugijr9+pmPZKcBkrpdzsGC3nekD5uWm+kJoEPFMI?= =?us-ascii?Q?f8De5swF0Iz3MlYyuPBy0r1ZzBtm6EgpRVfTn99wcvflf3RNtPq89w5gZ4EB?= =?us-ascii?Q?lmB1y4bpq5htTDCjxHCskxpFwcwkiYFEpp9eCCuSKMHGBCIgh1Mzu7/JnWNp?= =?us-ascii?Q?qwGJprSn+rS12xUZMZAcy28KlUhLJJlkq8jSL+hrPTgEy8yaZ8ysfLa3wqye?= =?us-ascii?Q?7NVyOV/7zQAavetS8eDJerD9zMU0yE5XWsOSEoop8MIrAaAsRMVpgIagA+bZ?= =?us-ascii?Q?Orqv1uWqLwGR7QR+HOSoNXp/GeZ0YknOvVOg6dV27cjEtNlUu+kyPnDA2EEy?= =?us-ascii?Q?Cas+rIVSflT5pKXoqzxCGMoaQpmGldKw4i6qZEfqcSBzIF/F50pJ7G/IWv1z?= =?us-ascii?Q?Hlleid9xZ7475EJOdGbNfS+H6rPcRYvzdXgzx1usZ5hYnvaqhoZdlriwlBKG?= =?us-ascii?Q?DfTUnR1j1vhx0HBcOG+hgf2aOTdHp23NM9EjIh4n4Ixbn21TBjcEwT6jWAsh?= =?us-ascii?Q?nlBC0cwmoh8suWxojiMywSC/jHredzMw3y5I2eb5LDokeaESr9ABapujz8v+?= =?us-ascii?Q?Bp5gIFf0+gKb/sLGAK+9iTwHnnuf6klwCrHnbSF5kIjceYpnZdUPl+ljpeWh?= =?us-ascii?Q?t+3mskVkq06wqXjyhi1PHdbF88mklwZOzcE9c8wyFbzvh6QZZ+K0w1KvapRc?= =?us-ascii?Q?M44UJqOZMDrH+DXoEMwHrllZTvN7Op5SHFeR9or0FgGtUu2og6F0ci4Zkd7n?= =?us-ascii?Q?WEkrGlaCxdgVFu5/jaGj66ouq9MQMh/KN2FyMvZuLQwT7sOP6NVv1Mk/QH1g?= =?us-ascii?Q?yVBw498spv30urE6zaduZOnWUDt68yHPMjTMl9m0yqJ8oWFHcAg541cKSa1O?= =?us-ascii?Q?nCE5tZFA8oLyxTEZ4dufj9GMwRZX3tcvlvlFW8HxEsOE2eOU06/2ThPXo8T0?= =?us-ascii?Q?uxcOtIlO+lWmoE64HtUdOtqFr/BXOu84LkXOILusVHSU5lPPULIOjxUH8abi?= =?us-ascii?Q?dwUXVPqKZEqBskzCnMExyRTgkcsIVJs3qX003Nb3cYMC8DzjCy96j4cVom7/?= =?us-ascii?Q?In+C5cZOI7252KlG0R5zfBF4WVjWZtR0/OfHvss+zLY/QcAtTA=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH7PR12MB5757.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7416014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?XoSFbBmQ/CennDI8oGI0MESDwwJX8yEwaHfHkpFzoNPSkfzfCDLpJgtLTrI0?= =?us-ascii?Q?SUpq83zu7SxOXaU+/wiNK014JpLYDaKvfTdbUYX2Ye+0+ytFyeT67llbsWJ/?= =?us-ascii?Q?bU8WHlxGrTd/eQ1LSF1LZiNzUB9wIluTBs33OCAJyp8rgDBnHxg3vo/8jIoC?= =?us-ascii?Q?6J0AL32mUTblgy5BaelXuS1eaWbaIW5MG4YiVEadeqrVevgfByWLS1hsKqDz?= =?us-ascii?Q?5J4oUYF7LTBAANzNZDBxoU+L/64ddHSo3bKBvnNwoT+/hvW58W4XYU0vbVi6?= =?us-ascii?Q?LznekYaA4157apt1Z4sBrC5AjXojFR/K5SWsGpL5n7EG/duNHMRS9z8IJLH0?= =?us-ascii?Q?yb9MNom4HdZs23t8nEhLy4zTV5hSUv/ezS+vu8bNKBPmuqHPhKajLbdu+NYL?= =?us-ascii?Q?XFNq6FCYdzZfHBViB9h32hMZl5Za7PJ6Ux0nI6ngfUuQ4HH3KoauI0KDqh3h?= =?us-ascii?Q?bRWZQYh9k5xhnh4ncGaCeXerBnmE3GLaHsGT3t2cGI5y3TPsl19PNs9fwXtw?= =?us-ascii?Q?MGW9mz8KEoWpj3dA3YTTM7R/jvXow20E7MogxHij7kjL477kylqJYn1frt1y?= =?us-ascii?Q?jRVV5HdchogiipTpKEU1xKHxpsXdrvZ5WC6ZRqAEiFqaVDTg+d75efEq03A4?= =?us-ascii?Q?HUel/xTJN9UdPUitqyJcnupLu/Nvo90cF/stAC2Ixm9AwTeUnf3/rPiFmmpL?= =?us-ascii?Q?hUnb9kYvxOVslrUT0boTzxcvvih1yEvm5hUmFUbSbLOAvct0jHiGlwwsqTEd?= =?us-ascii?Q?zIR4k2JA+OibLbooYWuMDWyEUf6NswxR5eTne2gExobaEm1e9Zcxo8OSAaxV?= =?us-ascii?Q?tvUQXZ9+1+YVzftXOs/Pnh9boONC5y14i0wDVWzs1IW5a72z0A5ribvDwb5M?= =?us-ascii?Q?0G9TijqNGBjsZtCj+Flzcs3zVqIWlLagQ0wfbjjsWbRemHOgmkA9w+v/rw1S?= =?us-ascii?Q?BbzaEvA1/bfTpNoU+qXVu/oHkeEtzEyyXCyF+HXqmprCux+RuyAqjxTuSqxc?= =?us-ascii?Q?o603eA8jGFqDyMB4wMyzWmv2C5rstnentmJVWEhSAok4EWFMi5ZpvTAgoj8t?= =?us-ascii?Q?jLHaKXPkCmAnsoeyBUPfBx53Og5Fg4YchUI8iq9sZ5li5m0VhOrizP/6tTgy?= =?us-ascii?Q?oxhmRGajUcPCEaYJELT2L4FwzSq6SGoz6LudOOJVGFSWxepbuHKzZsFu6xmp?= =?us-ascii?Q?knvYA+tHJAGMSgKQNucWWyd/d9PPWNYbQviMILNzikJMrVc1Hvk4Snw7U3Aw?= =?us-ascii?Q?ZdsZwb5zTE95ogb4FQNlwtzsVbaetS68NbFJYi/JhoefmlgoYz8YiQ8EkM+1?= =?us-ascii?Q?xmOEFMnQYxM29LdRSbwq5aOGgQPQAbDvp4hhGnEmivNdfHhcZS+8IR9ANwuo?= =?us-ascii?Q?ww3UcqjR8PM78X5AaI1/IlvnIBz4+N8rFSC7rv6NCIwxY9VOFNFQgynE55ib?= =?us-ascii?Q?0UqYtT44c8jXInkvlUFLzHNZN9RWAYdncMIZ+kF9saqBrTZnIk2gEQzxHdlQ?= =?us-ascii?Q?eSl4eCwkfjyYgGZ0BUM4yVr+VLO8/eoSnIGiXTku+Ym/nYJI3u3pdAvF9dr8?= =?us-ascii?Q?HP/e7HFEWsuUurH1XDM=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2b1abce0-3b27-4a91-4505-08ddeedc99ad X-MS-Exchange-CrossTenant-AuthSource: PH7PR12MB5757.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Sep 2025 13:35:39.6548 (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: Ywhab8dI4tMuB18SbSNhlK0aNKx8mOn9NqG+l3MsmIb9xJnhpEG9w9k3jzdq7/6h X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH1PPFC8B3B7859 X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 1F6DAC000E X-Stat-Signature: wx4asdyn16synwwzpck4qacw7nfsnewn X-HE-Tag: 1757338542-738226 X-HE-Meta: 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 82+kA05J 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 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: List-Subscribe: List-Unsubscribe: On Mon, Sep 08, 2025 at 02:27:12PM +0100, Lorenzo Stoakes wrote: > It's not only remap that is a concern here, people do all kinds of weird > and wonderful things in .mmap(), sometimes in combination with remap. So it should really not be split this way, complete is a badly name prepopulate and it should only fill the PTEs, which shouldn't need more locking. The only example in this series didn't actually need to hold the lock. Jason