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 B8321CAC598 for ; Wed, 17 Sep 2025 11:15:45 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0C7048E000E; Wed, 17 Sep 2025 07:15:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 077AD8E0001; Wed, 17 Sep 2025 07:15:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E32508E000E; Wed, 17 Sep 2025 07:15:44 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id C86F08E0001 for ; Wed, 17 Sep 2025 07:15:44 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 967BC140528 for ; Wed, 17 Sep 2025 11:15:44 +0000 (UTC) X-FDA: 83898487008.09.724BCA9 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf23.hostedemail.com (Postfix) with ESMTP id E369A14000B for ; Wed, 17 Sep 2025 11:15:39 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=pi4tXPwv; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=VaEpHfeM; spf=pass (imf23.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); dmarc=pass (policy=reject) header.from=oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1758107741; 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=hkUMSFIOGVk54V91M3FjKXuVA5Rq9rcln+GvKhdKD4E=; b=Eawhip7wYwvieRW6PN+iDan9f4+33dVqBrEzNcNpspOMsHZThqTWL78+riteL2gSNUD9V5 Vf77tOSm6ZOGrwA8+NdXdrzRfZtcVJHAoOm4dL72p6UhQPk4P2IC3MHyLR96W4Ckrj/kzv FVTEWmxGX0l1lNZiXeCsi3iQmAVjM1Y= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1758107741; a=rsa-sha256; cv=pass; b=26kazkYPSpAXZMPToqD95k1RvF1yFwBvRZ+4E3x0jQVKC3ifkofd01YjSyyvI7RY2WfdSQ OUa7RnVnYtg+YBAcPLW9OfyYqG9gCWv6lN4/lr1v+9XWtJaZ4mYCIzyFbT58dwp67HAyLb Y6iw9uH7tudri6ODmIEMDta4OH2kR0E= ARC-Authentication-Results: i=2; imf23.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=pi4tXPwv; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=VaEpHfeM; spf=pass (imf23.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); dmarc=pass (policy=reject) header.from=oracle.com Received: from pps.filterd (m0246627.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 58HAQrJp012109; Wed, 17 Sep 2025 11:15:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=corp-2025-04-25; bh=hkUMSFIOGVk54V91M3 FjKXuVA5Rq9rcln+GvKhdKD4E=; b=pi4tXPwvl3WCPmQuL8HIziTvpJTGNLFflu QVZH8o++E4OaK7r6ap/OMWGt3+flE6qL8pFIPcbSSOn3LLyuMSc6snLdioOn3kwx kJ+iRxaBOVddE+X0c+CDM2VImxFoZ7fh13RN5CJ6THVOkqxkFiFk6CopP3Hwt2Re /tSD46Irj3q99MRNwsCYQC6wlMhUHGtioe78kYfPfYkrb5dMrMETIy/FiO77TdPU /0dfjum49+DNZ/DynaaIgROQiKsuU2PFdiNelyfnZeF+o+h/nPLxMNCP2O2CiwvR jNIBnnejCl3gji0rlszCO+kh8IYlulUDsDgV2cP186k/sB3913HA== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 497g0k90n4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 17 Sep 2025 11:15:19 +0000 (GMT) Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 58HAe0uC027257; Wed, 17 Sep 2025 11:15:18 GMT Received: from ch5pr02cu005.outbound.protection.outlook.com (mail-northcentralusazon11012039.outbound.protection.outlook.com [40.107.200.39]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 494y2kwcgm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 17 Sep 2025 11:15:18 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=GLU5jdAuaJxd2xiYdyl2optorEtyLs/VunZ4xMlo8gR4HI82flgoooa0xB5kto2CF2x84dQan2/PxIhiaSYqY321sOwhSot+jUVzuFVapvDS7nNUNyJ2CZ/CRhhWEjSdTUnZmnYHGScbcScQ9q5Uhf3rCtoHt0QNlHzZlXKICTsLFvEgjw+YwLe+uFVaiBcfNM6BMXAcWjMfZcGpmg7SlU8rSnrXbFEgx2mjkonihBeHGPscHuOx9+fm//51KRYo5NK5Afp6sXMpgljG7uUTvbR/qUh2CLgJqU8oMmVz0W5MevMO7ue1xcoxyJvHSaZYUpHkLzLg37Mr8KVb8f1yzA== 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=hkUMSFIOGVk54V91M3FjKXuVA5Rq9rcln+GvKhdKD4E=; b=K9EFFWxyhyZqBOtypUkAzNpIS+vULOcxGomOqYzn+4unzisLZ3FF6O6V+rI0axJ+aJlBOxs0z72ZJincFfxiQuVPOGShzdlPiPE8YwZZXpIKR0c7uqh2CFECORz8JqbHN07Jw714QSxjg8NyJT5mT52wGVLGSebegH8M4BptULYD3ppkJXGQyy0Axo1I8sO2HodqW8gizi6B5FsgcaJUI7l8eW4+fmVix0c3HHzoXdTi2ajYYRILlJwRp7ld2ULOPmHAQIr6u8I/yeOFzIVGmr8um3waJIcdb4QTwEV3LpukIrGKm4413k+mVdC4IO+nQOSmmrmJ8BlMNdC2yxVEUg== 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=hkUMSFIOGVk54V91M3FjKXuVA5Rq9rcln+GvKhdKD4E=; b=VaEpHfeM6CJOuIFCaxCuZwIPSMeRY+f82PGRuuLGcrzWnGqKMlRuOZ94F46QYIP8TbSs9Vi0du5/HavK43PmZY2pnS21useobkE7WUJpQxsidfkVm4mSfBJH0bXoIBE7jhLUNNvXpaNkPzEQ37zag2VP1djUWwu7j2xZD9Qbe2I= Received: from BL4PR10MB8229.namprd10.prod.outlook.com (2603:10b6:208:4e6::14) by BN0PR10MB4936.namprd10.prod.outlook.com (2603:10b6:408:123::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9137.13; Wed, 17 Sep 2025 11:15:14 +0000 Received: from BL4PR10MB8229.namprd10.prod.outlook.com ([fe80::552b:16d2:af:c582]) by BL4PR10MB8229.namprd10.prod.outlook.com ([fe80::552b:16d2:af:c582%3]) with mapi id 15.20.9115.022; Wed, 17 Sep 2025 11:15:14 +0000 Date: Wed, 17 Sep 2025 12:15:12 +0100 From: Lorenzo Stoakes To: Pedro Falcato 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 , 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, Jason Gunthorpe , iommu@lists.linux.dev, Kevin Tian , Will Deacon , Robin Murphy Subject: Re: [PATCH v3 07/13] mm: introduce io_remap_pfn_range_[prepare, complete]() Message-ID: References: <3d8f72ece78c1b470382b6a1f12eef0eacd4c068.1758031792.git.lorenzo.stoakes@oracle.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: LO4P123CA0593.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:295::8) To BL4PR10MB8229.namprd10.prod.outlook.com (2603:10b6:208:4e6::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL4PR10MB8229:EE_|BN0PR10MB4936:EE_ X-MS-Office365-Filtering-Correlation-Id: e5c4e0b2-fc7c-4d70-42ba-08ddf5db79b4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|7416014|366016|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?lTaE3RoL55s71TNIWcOlBAkZymuQc/UxbzxUhCVcVprAa/fxX65WCQZhWsyf?= =?us-ascii?Q?DgyhcpnEfV/Aq9OyiaVZr4QGynYFb/gDrd1r1d4v0T90lgbnrTqvo3kGrNnx?= =?us-ascii?Q?oins1p16illB3UxVYJtq0JidzTRNRjWa+SiNBIaGXZPdcbC4CTgA1x/BGH1T?= =?us-ascii?Q?+nJ3bjGk1TBKa40kdbouiObsCaFJUXCnyQTjiugF5+AjoPX9v/92KCTM59tb?= =?us-ascii?Q?gZulN9m7GCX1fM/6dJY0viwjQK3nhL0kZgEDQZ9QXhjgMEeKkjlG55Yfkf0J?= =?us-ascii?Q?SdK1Z9lVQqpOh64KaKBo1rKv61Jw8JyMIwohQDpHuvfWeh/HX64xaOLPy5Nx?= =?us-ascii?Q?MzmbfIO8a+x4OoyeNifcSOFgLdx4sPfNb+jIj4V2aDOGrYCchLy2Oa+Jb5vf?= =?us-ascii?Q?jlCsC7LjTBwR/WltqFMSmD373LcyJEmV7CClW483QbYR6UsJOlBjBUbAmdOB?= =?us-ascii?Q?JN0h3u8flV/YQZLFXR4TGmzslhSpUyWC1+EEJQ3I3PmayDUKOeheplqCHDOc?= =?us-ascii?Q?Tf48LSelkDLzt0qaOAbMzpvfijK4SGv1hcwSc2PfIfLum3RwZrKJ0e6BsStz?= =?us-ascii?Q?0g7tGUNFnAJgjgIhvEnlW8lt6nx72GtKVI9cLSlv+XfYpQD22fjqBvu16Fwv?= =?us-ascii?Q?9XIJRT1HFQDgzGkqf8RJKraEghBAkzULmTvQLjB83DR+TeofH/SXCqjYrBvB?= =?us-ascii?Q?hHRuzLGoUeVkE7+itoKRpqXpkXHn9Rs716jWv//yXF1lOO4jaehmVi/ZP6dz?= =?us-ascii?Q?8jn+r58hdwtm3ICPxXZ4On40IDYrGRSSw3sxu6Bs/rQkHp8Vl6ZHWNniFEa4?= =?us-ascii?Q?2SZwzwC2hW8MfviNULPKC88sJA++gvitsIdGNiI6IfCAWL7bqTP/AOr0S+/f?= =?us-ascii?Q?y/CtPbBpiNeBLeENEPA2fKODDNNic3HGD6fac1V8sw/v+MA96YNCS7VivMBi?= =?us-ascii?Q?aZVrksjm1XXGphpNDP5xQ2UtESbBq21tp7CpABBFS/nTKa0SN8fnpe3V5/5H?= =?us-ascii?Q?ojcuNjew6lh/59I8fAj7un9sEF7C2yCCIpG7Ymmt7ub4uVsJ/t77CeA2p1vg?= =?us-ascii?Q?xq2HSBpdlgohlYdbz7rFjvcDmbeN1VzHfHGSFAxzzJl1jT8QdhRBX6WGDDLK?= =?us-ascii?Q?9NuhIw1c0fuQEeFWizBZNhYKLNh5EbVmt68Qh5HhKR/JUWUXE/6xYrF4t+gk?= =?us-ascii?Q?KQH0de2jLcdqDv4b3kJRhi68Zby+GeWR+zCqx5glXubfoxBWm2ymRx0YN9ZE?= =?us-ascii?Q?mweecw4A9Tn8Ee5wrgAg+EPfdCHUL4cWbLGBzqb9+yH9MMI58CQMu3tfTHwG?= =?us-ascii?Q?JrF11yvlCWdE1uqzahVzKdy4CBYae9C6g7lh86xVFjhszqwKaJtCTxOQhZNU?= =?us-ascii?Q?66mT2YhynzEZpIvajAZQwg8i/dgqpegNkZu+lXWK3zcB6YJRof2/KIr9/vHJ?= =?us-ascii?Q?nZHVDv5PGcg=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BL4PR10MB8229.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(376014)(7416014)(366016)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?IL/B67ICtKHoPLCXXT7VHoNiSOGSa7T94K0BMTaF26sU2WGne3qjXN0yyo3U?= =?us-ascii?Q?uGEJuGNigYs8BFYcrAnF2ur6FOZj8tzrFXJlz2SWGKUhY7AIzOUG1uRmFXNK?= =?us-ascii?Q?ceWpnbXG1iV0TPYM8VyQVBEHc0Gp5XiHuBoD/ltuRop5+4H/sTkKzqNiNYde?= =?us-ascii?Q?6IINEPHpf3p/nbh1hfsdsYYG/P1YT527TedKAS9UGhJJVaKH2NNU0FbEzQek?= =?us-ascii?Q?zHEhwjERrE5BRpErG2NHs42tYV8JqAVMw9G2Ct+Yp+/Tlw8bnFr7s3x5AX9T?= =?us-ascii?Q?FGKoIl7ViJqQZYR7nFa3kApH5wbgkWQI7hyvWrq4gOQ4g0DFC1gm5rnYxGk9?= =?us-ascii?Q?FaEqSGVG8GMD+Hb9yrYslq6j2f7MnxpS9qvZVr7jquYk8jC1w8W57u5pV/XB?= =?us-ascii?Q?0CZ+6B2yyGc9p3hF6JQRs8juTMdX0rP7H6KTis51Zd/jiT+yFeM+XTg/wtdT?= =?us-ascii?Q?vpCOrCMCVRIUaU+hZahzu3UK82ToDLpwLE2lgCNKupDHwFFSW6XQZ09m/Y3W?= =?us-ascii?Q?c1Y3pyYNS5en9bvhhL+q4HMbLQqvX6Q5c0nWFnMyU8QVYfxeCOvJbSCcBUDs?= =?us-ascii?Q?ncFQ91C27uy0r809SH7lVl+oZNUxSoJmP2gQraGp8dM8/bh61tOTgafJSQEg?= =?us-ascii?Q?ZHlWug5atYMkrbY4NCCst6eHc4qV23kFqFX46CMTcldfzNT1RF/LLFJ7Om0V?= =?us-ascii?Q?8rn4mKWDNtbyVrctOX0ej81GIjZ6iOQECJhxfkStE+LrF19l4MwIiUliag4u?= =?us-ascii?Q?Oz6LAizFiYZGp/PagQMBDzwmvPkh3Nk8nvJOeo1oAeWCsdgwOmLFP+eWby29?= =?us-ascii?Q?C22nClXg0bfxmLUDEHIFMP90y5297fBROVIFtSGgbQW3dp8uwkz6dgMLAGeb?= =?us-ascii?Q?XgjggVntzFQPTcJfHeH9bSlQu+mXu37EjpHZseyqpP5AKvY75XihEjw4Yuvw?= =?us-ascii?Q?okGLisOjaBqBG8QLz4bXdyCbLlAPKxo65OSj6mNujE/Zqmg2HLyEzaGIGG+6?= =?us-ascii?Q?2zW7JBMP2/c/xy0wxcZrLwNZGGSpg8Gyo8URQXzdemx9WYCF8U0u39HHdAD1?= =?us-ascii?Q?A1qAeTrbqWtx35V56AiLTIqPoF0fND9cfn+smAYdKXTKo2pa+lGscAx1c/gL?= =?us-ascii?Q?Ud5mZ+HUGka1NqFz+SDT39voZbad5qf5RiBgq/FPboyABFRvBjlWb6fgOXJP?= =?us-ascii?Q?UDWI+VNYZ97dWeXXWtnQbxcBrgcNcNbw5Z8UlZnr/sP9lf9yVnBpltCljP5Q?= =?us-ascii?Q?ktM/5syzxKbsSfXurHLC3sWN/PxXjHCvcSH8WoK1mNDQKcpHECWQdQ6eJ//9?= =?us-ascii?Q?gKGIMgV8G8KYwqHuFjl1YEe2WyTgeSsGQ8mVT+VJX8CGF516IYLfbRJOGESL?= =?us-ascii?Q?vwcyHQj1D+5g0jQ/ry7fb8hOVrGKYRg9TX2AgMzcOge1ExNEbd+2jjzmtK7O?= =?us-ascii?Q?EnT6KEtd2T9QlkWotMt4yGSDEvmt0Bm3u9S3QDbmFwwb1WLtHxLzLRjWI6XX?= =?us-ascii?Q?mejwvTwnBDdjXj7pvWglwt45IQa1VtFhrKf780W30XktU8B/FZifaXIxJ62t?= =?us-ascii?Q?r+bjUYKVZ/i+xtfSTYdU6eDD0vHya+sb3dlj++YHYwBFEj9blUGijGyxas24?= =?us-ascii?Q?WQ=3D=3D?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: e5c4e0b2-fc7c-4d70-42ba-08ddf5db79b4 X-MS-Exchange-CrossTenant-AuthSource: BL4PR10MB8229.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Sep 2025 11:15:14.6411 (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: 5Fv7qtDH8eUAXeDCZz0yqHaLgrf7tDfAuNzowTbUqpPzylE2RdB9XGnbNkYIL56wVqtgA4EPg3ITJS7KOKDWf9pqYT7o8tBcpWYC0DQWQp8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN0PR10MB4936 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-17_01,2025-09-17_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 bulkscore=0 mlxlogscore=999 suspectscore=0 malwarescore=0 spamscore=0 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2508110000 definitions=main-2509170109 X-Authority-Analysis: v=2.4 cv=b9Oy4sGx c=1 sm=1 tr=0 ts=68ca9847 b=1 cx=c_pps a=zPCbziy225d3KhSqZt3L1A==:117 a=zPCbziy225d3KhSqZt3L1A==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=yJojWOMRYYMA:10 a=GoEa3M9JfhUA:10 a=yPCof4ZbAAAA:8 a=wByeK9wiTKndq7Z3TXQA:9 a=CjuIK1q_8ugA:10 cc=ntf awl=host:12083 X-Proofpoint-GUID: TUjq9JyozUCaW_BQQwJc2G0d5PrVIfEv X-Proofpoint-ORIG-GUID: TUjq9JyozUCaW_BQQwJc2G0d5PrVIfEv X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTE2MDIwMyBTYWx0ZWRfX0sSL10WMVBry doMiVxitY9Iayg+1tYuJI9kIt2s8mrCD2f8iNeYJhclem0O0sfzjIRf5HCe7OV1HLnxfZ0ZaLWU lqzekE1ZfZ0/By2W6qspueYey1y2uxcQn2eton9jpvYYY+yV5kQCDcLgN3L0w2HByIOdmp0/RSZ l7vZ1ddqLuZBR6eVPizGTzeTT/q4ZtquCHn+mv1lNYGc503EMy3UYWPkEuefC/7vj2lnLOACBuc szWvQFuAX2yJfUNlagwo+4GDilIlsmpPmoCm9fYOdXgVUsy1cU0lLg3P1SCcy/R1guC2xWZfm2+ RJp4smJDbjBzaxX8uiKfjsO/jIJ+eVC6Oga5MphCGeHwzO9fA54G8KY9Qk8fJkdn7m0GywX5pGq NRhOZDkB0gKUwANxQWFYQxfvA0+puQ== X-Rspamd-Queue-Id: E369A14000B X-Stat-Signature: 8on7xh5i9ssj8yp8otmzcxnh6wrq9cib X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1758107739-616777 X-HE-Meta: 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 h1FlE/pK 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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 Wed, Sep 17, 2025 at 12:12:17PM +0100, Pedro Falcato wrote: > On Tue, Sep 16, 2025 at 03:11:53PM +0100, Lorenzo Stoakes wrote: > > We introduce the io_remap*() equivalents of remap_pfn_range_prepare() and > > remap_pfn_range_complete() to allow for I/O remapping via mmap_prepare. > > > > We have to make some architecture-specific changes for those architectures > > which define customised handlers. > > > > It doesn't really make sense to make this internal-only as arches specify > > their version of these functions so we declare these in mm.h. > > Similar question to the remap_pfn_range patch. There's arch-specific implementations, which in turn invoke the new prepare/complete helpers. (This answers your query here and on the remap_pfn_prepare/complete patch). With the abstraction of the get pfn function suggested by Jason it may be possible to move these over and just utilise that in internal.h/util.c. I will look into that. > > > > Signed-off-by: Lorenzo Stoakes > > Looks ok, but again, i'm no expert on this. > > Acked-by: Pedro Falcato Thanks! > > -- > Pedro Cheers, Lorenzo