From nobody Sat Apr 20 06:36:21 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=citrix.com); dmarc=pass(p=reject dis=none) header.from=citrix.com ARC-Seal: i=2; a=rsa-sha256; t=1684941773; cv=pass; d=zohomail.com; s=zohoarc; b=Vzzp52H3QBC/lKxWxkAIni0Br96XaAY4XpR8j6YIpNSS3xE8HLVeplfZmPic56ZBFbmUb3Y10OjfhWNG4vrXdE21WsyUYpJ5Qe4onyWrY3lgd09GxjW/9emaNl0daGVW/BNI5J1IvFOQlhWvJHhu+nMetiSoSem9tPBdMBcHFuE= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1684941773; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=30ru+lLePwOyS4uvchiCqk6eSxy4Oc0C9zDO72tKQss=; b=euSYrfEHxlCKGiKwBnTD0EA6Mb12Tpkw24WMBTnQmRSrvvMEXhbRc4p7SzyxeUzUhFQGvam5IFJ3NrbFibr5YFHroMO4oF7dEmPDCKcdEoHrKDTHMsBkrZqAoWLYjGCw2EcUa8yyOBgf1+4f2zJUpa/lH7afsUJ4XeQ2fsz9v1c= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=citrix.com); dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1684941773623428.9806693609428; Wed, 24 May 2023 08:22:53 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.539137.839726 (Exim 4.92) (envelope-from ) id 1q1qJw-0006IF-NN; Wed, 24 May 2023 15:22:36 +0000 Received: by outflank-mailman (output) from mailman id 539137.839726; Wed, 24 May 2023 15:22:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1q1qJw-0006I6-KX; Wed, 24 May 2023 15:22:36 +0000 Received: by outflank-mailman (input) for mailman id 539137; Wed, 24 May 2023 15:22:35 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1q1qJu-00060I-Qv for xen-devel@lists.xenproject.org; Wed, 24 May 2023 15:22:35 +0000 Received: from esa6.hc3370-68.iphmx.com (esa6.hc3370-68.iphmx.com [216.71.155.175]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id cccfdb45-fa46-11ed-8611-37d641c3527e; Wed, 24 May 2023 17:22:32 +0200 (CEST) Received: from mail-mw2nam12lp2043.outbound.protection.outlook.com (HELO NAM12-MW2-obe.outbound.protection.outlook.com) ([104.47.66.43]) by ob1.hc3370-68.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 24 May 2023 11:22:19 -0400 Received: from SJ0PR03MB6423.namprd03.prod.outlook.com (2603:10b6:a03:38d::21) by LV8PR03MB7472.namprd03.prod.outlook.com (2603:10b6:408:18f::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6411.28; Wed, 24 May 2023 15:22:17 +0000 Received: from SJ0PR03MB6423.namprd03.prod.outlook.com ([fe80::192:6bdf:b105:64dd]) by SJ0PR03MB6423.namprd03.prod.outlook.com ([fe80::192:6bdf:b105:64dd%3]) with mapi id 15.20.6411.028; Wed, 24 May 2023 15:22:17 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: cccfdb45-fa46-11ed-8611-37d641c3527e DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1684941752; h=from:to:cc:subject:date:message-id: content-transfer-encoding:mime-version; bh=o76yZ4k497HOZQhx8YNmmMYxCb66VFuaVaseEYwZvWw=; b=dn65mXJ9/ycP3W/5s5FU3CCqaby88my6tDsGb5Xh5zrHt+fhr9l0oe1F lIkxyd/w1T2rCl4cytlf3FYQTeoPHi2E2UZIyIcgSzO4ULl8fU26rVof/ R2RMGO3lf1ikhLycOAmrYwuIJrLOz/vi4+l4YYouHc+H++Kt/AzHjcXJ3 o=; X-IronPort-RemoteIP: 104.47.66.43 X-IronPort-MID: 109567907 X-IronPort-Reputation: None X-IronPort-Listener: OutboundMail X-IronPort-SenderGroup: RELAY_O365 X-IronPort-MailFlowPolicy: $RELAYED IronPort-Data: A9a23:51bo66KKseUoK6FHFE+RzZQlxSXFcZb7ZxGr2PjKsXjdYENS3zVSx 2AYUWiEb/7eamX8e9p1YY6y80xXuJPVx9cxSgdlqX01Q3x08seUXt7xwmUcnc+xBpaaEB84t ZV2hv3odp1coqr0/0/1WlTZhSAgk/rOHvykU7Ss1hlZHWdMUD0mhQ9oh9k3i4tphcnRKw6Ws Jb5rta31GWNglaYCUpKrfrbwP9TlK6q4mhA4wZiPasjUGL2zBH5MrpOfcldEFOgKmVkNrbSb /rOyri/4lTY838FYj9yuu+mGqGiaue60Tmm0hK6aYD76vRxjnVaPpIAHOgdcS9qZwChxLid/ jnvWauYEm/FNoWU8AgUvoIx/ytWZcWq85efSZSzXFD6I+QrvBIAzt03ZHzaM7H09c50WnlW9 tE1BgwgMEGyn7yumo3qR+dV05FLwMnDZOvzu1lG5BSAV7MDfsqGRK/Ho9hFwD03m8ZCW+7EY NYUYiZuaxKGZABTPlAQC9Q1m+LAanvXKmUE7g7K4/RppTSIpOBy+OGF3N79YNuFSN8Thk+Fj mnH4374ElcRM9n3JT+tqyr927GQzHukMG4UPOGU1NQ1n3+y/TZQUEYvDFSmr6i9zUHrDrqzL GRRoELCt5Ma5EGtC9XwQRC8iHqFpQIHHcpdFfUg7wOAwbaS5ByWbkAHQyBAbpo6tcYwbT0sy lKN2djuAFRSXKa9THuc8vKRsmm0MC1Md2saP3dYFk0C/sXpp5w1glTXVNF/HaWpj9rzXzbt3 zSNqyt4jLIW5SIW65iGEZn8q2rEjvD0osQdvG07gkrNAttFWbOY IronPort-HdrOrdr: A9a23:bXVz9a5l8iSwtuSMzwPXwaOCI+orL9Y04lQ7vn2ZFiY5TiXIra qTdaogviMc6Ax/ZJjvo6HjBEDmewKlyXcV2/hpAV7GZmXbUQSTXeVfBOfZowEIeBeOi9K1q5 0QFJSWYeeYZTYasS+T2njDLz9K+qjjzEnHv5a88587JjsaEJ2Ioj0JfTpyVSZNNXh7LKt8MK DZyttMpjKmd3hSRsOnBkMdV+yGi8zXmIngaRsmAQdizAWVlzun5JPzDhDdh34lInhy6IZn1V KAvx3y562lvf3+4hjA11XL55ATtMr9xsBFDMmsjNFQDjn3kA6naKloRrXHljEop+OE7kosjb D30l8dFvU2z0mUUnC+oBPr1QWl+DEy60X6wVvdpXf4u8T2SB8zFsIE3OtiA1LkwntlmOs5/L NA3mqfuZYSJRTcnB7l79yNcx1xjEK7rVcrjOZWpX1CVok1bqNXsOUkjTVoOaZFOBi/xJEsEe FoAs2ZzPFKcWmCZ3SchWVryMzEZAVAIj62Bmw5/uCF2Tlfm350i2ECwtYEo3sG/JUhD7FZ+u XtKM1T5f5zZ/5TSZg4KPYKQMOxBGCIawnLKniuLVPuE7xCE27RqqTw/K4+6IiRCdA1JaMJ6d X8uW5jxC4PkxqEM7zM4HQLyGGBfIyFZ0Wi9ikEjKIJ+IEVR9LQQF6+oR4V4o6dSs4kc7Pmss aISe5r6sDYXBTT8P5yrmvDsrlpWAwjuZ4uy6IGcmPLhP73AavXkcGeWMrvBdPWYEYZsyXEcz E+YAQ= X-Talos-CUID: 9a23:tMFRDGP3f82iO+5DW3J/7E05N+4ZXyOM/W+OOxWHWGtncejA X-Talos-MUID: 9a23:yNlMKwnMV+4dFOrFAu1Bdno+GOVCvLuMKXtX0s1dgpCLKCIhP3CS2WE= X-IronPort-AV: E=Sophos;i="6.00,189,1681185600"; d="scan'208";a="109567907" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KsRf5++0xf5A+sk8HxU+DbQz+3tF3tOe5pjRdABYP1nmAOv0+LtJlsomJpZxdZtaiN577t5kklZXC/fyn4Vz9WN4/J6PaBzSMgFaoXRn7bKAJ+P326/yRU6uwwR0ivmc02pEMpp81DP92+Jwu7+uvjhajwF98aMVYeP4Y/mboPXMr8ae6pZkl1Ax0gOYA3zTIVpanfwGSCrNC431Ea+1oXhSHMu2XavS2XM8fCGhN08frVe9WowwTkJAHUXr6PI8Nd9G/XJJiTK6dsXR20A9iGbi1dI/6NmRQzsEsG4szcXztK4VjEc5ndGMgPR+giWUHZ3Mrhk2ok8mApEk1LWEdg== 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=30ru+lLePwOyS4uvchiCqk6eSxy4Oc0C9zDO72tKQss=; b=FfjddFRe46QMf5MIKEHJIIyzS25SoM0VvbAGbX2vQPxxfihqF2ndELV5W9mWWeVFCHHwbo9ZtOmDdecX4Jby7dKoHXK9vMZ3ERLIJPX43Wo85Iy3rkAaUf+NApbpunU3AuZUOxckBn0MzxKFuoPRHmJL8gLD8GrWnf1erQpTJQfr7SPxHY3ZDP0EZnQnp5F6h/Wz+oiU7wB1Qb7XfD/XJvZRyhHFe/7HJEn9n2Lon+gvzFdwhEguijnqdbiyxRJZp6kEOfuomM4MTJDjdeJWZ6opawLpjKxfA/SMYFULCwfQPhQ7Wu6crJBQCcwcyGjONNhvwcxuGpiqgjgw01bZYw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=citrix.com; dmarc=pass action=none header.from=citrix.com; dkim=pass header.d=citrix.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.onmicrosoft.com; s=selector2-citrix-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=30ru+lLePwOyS4uvchiCqk6eSxy4Oc0C9zDO72tKQss=; b=sESwpvZrGW0hJ/QkSJDIlulWghC4YtdONy5WzbkUYSlyX5m2V8pBYRg8Wwe24R4ZLFhKHj441K/lUROZS5lZ6JgMPBQ8jMz6IBd7YCRv+Pgo56AxYw0ZdO1rVPMFEp0XjhDqznEpjgkM+ee+LI1gNfEEiIVCXCUtKY+GyV+fV8A= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=citrix.com; From: Roger Pau Monne To: xen-devel@lists.xenproject.org Cc: Roger Pau Monne , Kevin Tian Subject: [PATCH v2] iommu/vtd: fix address translation for superpages Date: Wed, 24 May 2023 17:22:08 +0200 Message-Id: <20230524152208.18302-1-roger.pau@citrix.com> X-Mailer: git-send-email 2.40.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: LO2P265CA0164.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:9::32) To SJ0PR03MB6423.namprd03.prod.outlook.com (2603:10b6:a03:38d::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ0PR03MB6423:EE_|LV8PR03MB7472:EE_ X-MS-Office365-Filtering-Correlation-Id: 630431e9-139c-4744-e7ce-08db5c6aa874 X-LD-Processed: 335836de-42ef-43a2-b145-348c2ee9ca5b,ExtAddr,ExtFwd 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:SJ0PR03MB6423.namprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(39860400002)(396003)(376002)(136003)(346002)(366004)(451199021)(41300700001)(66556008)(66476007)(66946007)(2906002)(26005)(186003)(6916009)(1076003)(478600001)(6486002)(6666004)(4326008)(316002)(5660300002)(54906003)(6512007)(8676002)(8936002)(36756003)(2616005)(6506007)(83380400001)(86362001)(82960400001)(38100700002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?bWZIR3ljRExVdUtuaDFmeEJ6Z2o5WXNYMVVQUWFQa1M2aSszcWh1dklSK0JY?= =?utf-8?B?TlQ1VTEzQ2lFU2h6RkZqbnVYT3M4aWlIZjRQWSt3RVkvY0dWNlVBVjBSMXF0?= =?utf-8?B?VGtjSWZDSnU2MEtScXAzT0hZZk92N1VXTitjaEhXbzJyWXN4TE5GM3d1dFJP?= =?utf-8?B?QjIyZHN5Yk5DUHlyQzRkcmIwaEZ2ZWlUYUVVUGw1TFBwb0E1TzlDWEhMZVN6?= =?utf-8?B?ODlyVjhReUZOTWZpWGwxSXo3TjRNVGJHek93a3Y1WnUwQ0VQUTNIV2wyYkFM?= =?utf-8?B?eHdVWU85MHpuTkU3aXZqYUhxNFNCWFNJNGx0R2prNk9KSExtRkxCQmdQZlJx?= =?utf-8?B?aEJOY1dxU21saDRJbU00RmtaYUFBK25HeWFuRllySEgxeEh3Ry9KcUtHb3RM?= =?utf-8?B?WDljV0o3ME1HRWRXOVZLanRFSk9MUGY1YmIvZkl0ZE5WWUNjVVZCRFV6czFq?= =?utf-8?B?RGtORk1UcktLMkQ3YzlScTZtNmU2a3dqR0IxV1lSYWVyemUyZmhHeXBMNVFy?= =?utf-8?B?dGQ1c29LVllrVGlEekFCTXhpbDhWZmFaaEIxSkdaMG4vdXlhbld3bXpHZ1Rh?= =?utf-8?B?WkVLTWdtcDFTSzFDc3hzQlFaUnJYbjVLZm9rSFEwRjFqTUJ4dmhxUzZERkZP?= =?utf-8?B?RlVEMzBRSVZxK0k5VFY2VytPMHdzcHNDQUxndUVKZVQyWnFXaEVDWkgzQnRj?= =?utf-8?B?ek8yVGFTVTRqNkZ5VFo4OXM4d0ViVEd0NlI2M0RyWGRsc3JEV3FjTnlxdksz?= =?utf-8?B?S1ZER2h4Zm0zWUdlcGZUQlNmVGJIVVl6WXF5MzdBdy92WE5UYnJTMmlRSS9E?= =?utf-8?B?N0k5VkpEVlZoSnNDbUY3WWNGTzhTVFF4QXh2cDFtRVlrSUwzZ09tRUN1SkVz?= =?utf-8?B?WkZDTW9WajBZcHFoYS9zTWxST1JBVVk3RjgzQWVQSDRIVkxRWG1JSC94S2V5?= =?utf-8?B?VWpJcXBIMC81c0N0SWhuVEdWanpWZldjVDRPcFBUQ1h0bWRWSEk5cGc1WFpM?= =?utf-8?B?Ri9hSFVxVWxMWlhUcU9JcEZOaW1QckRDNE9nOFZsSm9zU1ZVQ1BNYkNUSnJj?= =?utf-8?B?bWo5Y2YrQktiYWgyWmNuaHIwcVFCd2pGVHhFTkNSYzRsaHFIRnVZMG43My9O?= =?utf-8?B?bWJ6VWNFQk01MEdEaDFJMCtkdVZhakxjbEptS3NiWXN0ZFZvV0NMNGgwQTlt?= =?utf-8?B?c24xYXpMRHd1MHpWOVNyNXZSeGYxNDhoN0l0U2RhemJaUFh6bnNUaEc2T0N1?= =?utf-8?B?bGVRejBjMmdJZkxTZHNia3N0anU1K09WRkg3eW1vcUF6cEp1Um5LbUQwem9K?= =?utf-8?B?YUMrQjZnYWdnK0JESzZQQVVYLytkV25FUUx6Nm1UUktGN1d3ZmxicVlEeEZN?= =?utf-8?B?YkdwQk53R2U1ZmNwVUlBdzlHRER1ODZxQWdlSXlpZks1eG11WlRvK3Y1Nm9v?= =?utf-8?B?aW9CaUZpM3Y0L1ZocFhXMHhuZkVQQ01Pc2MxRlI2RncvTmhERGtvVHd2c3BN?= =?utf-8?B?SWVBQmlWajljOUgvOUpaT29rZkR1TVkzN3Y1ZFB5RmxBZldkUFJYVUV5VDR3?= =?utf-8?B?UmRmN0hlK1V6dy9MQjVoL0NydmJzWjNndnI5dTl6ZUpMTndUeFNpUTZVUTVi?= =?utf-8?B?S1IrbFRIYmFEeFFzOVR2K29DZFFjZm5NMURXMCtFV2hrU3AyV2Fnbmh5Wklw?= =?utf-8?B?eDJOUE1XZFNhTFN3ZEh0Q2dQcThHSDV1eXJyWDF5R1JwdjF2bjJ6MHV2ZGlt?= =?utf-8?B?ekNNc2FkMVdRNFl5cDhTdWlidFA2T3dRby9CWG81YlRyb1A3UkZlN01ybkgx?= =?utf-8?B?WEZJYlRpM2VtcDdZM1dtN1NoZmhid2NFK1VOTUJwV3VkVE1KSjlRbFJUTHJu?= =?utf-8?B?RG0vTEJzdzNIZW53ZlV1a1p5UnJtMFN4MjJWTmRIbUxaSTZYcFY1RFpTdU9t?= =?utf-8?B?V3NjR3RWS2cxOG0zeWMwMzdQcjgvSWFZMlBzMVVTRGxJWUxwSVhxNTBmNUt5?= =?utf-8?B?amFFZzJLblJWSFFuY2Z3TWVsZDhGb3BsS1R3a1J2ZTgvMnRmL2M0UTArSjdV?= =?utf-8?B?MW9LWGxmaE9tcE9UOXExSGFUQS9nWHl4MzVPRklaZVFTN2VzWWRFMU9wL2kx?= =?utf-8?Q?qA684X8imkm78sA3/VUsuM0b/?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: citrix.com X-MS-Exchange-CrossTenant-Network-Message-Id: 630431e9-139c-4744-e7ce-08db5c6aa874 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR03MB6423.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 May 2023 15:22:16.7951 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 335836de-42ef-43a2-b145-348c2ee9ca5b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: oL4qMSaMqmiyC9Hz10RY+d4KKmWzGImBeiDwY+nze1xuNYnw1Hz7fwuhhKHIQMbfu3mOfa11RN+DatGWR9JjJA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR03MB7472 X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1684941774720100001 When translating an address that falls inside of a superpage in the IOMMU page tables the fetching of the PTE value wasn't masking of the contiguous related data, which caused the returned data to be corrupt as it would contain bits that the caller would interpret as part of the address. Fix this by masking off the contiguous bits. Fixes: c71e55501a61 ('VT-d: have callers specify the target level for page = table walks') Signed-off-by: Roger Pau Monn=C3=A9 --- Changes since v1: - Return all the PTE bits except for the contiguous count ones. --- xen/drivers/passthrough/vtd/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/drivers/passthrough/vtd/iommu.c b/xen/drivers/passthrough/= vtd/iommu.c index 130a159cde07..d7ba9a9c349f 100644 --- a/xen/drivers/passthrough/vtd/iommu.c +++ b/xen/drivers/passthrough/vtd/iommu.c @@ -368,7 +368,7 @@ static uint64_t addr_to_dma_page_maddr(struct domain *d= omain, daddr_t addr, * with the address adjusted to account for the residual of * the walk. */ - pte_maddr =3D pte->val + + pte_maddr =3D (pte->val & ~DMA_PTE_CONTIG_MASK) + (addr & ((1UL << level_to_offset_bits(level)) - 1) & PAGE_MASK); if ( !target ) --=20 2.40.0