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 X-Spam-Level: X-Spam-Status: No, score=-15.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9EC6CC433E0 for ; Fri, 12 Mar 2021 12:33:53 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F184D64F0B for ; Fri, 12 Mar 2021 12:33:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F184D64F0B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UocDFByHPq03GEQ62N+jxJ5LK+8o26YtmkV2/b+OASA=; b=BGkptOKO4PKxGuiYQKCRXnVHG Rk8Z3k80yzU1nAxm0wAL3ntvikx3fasI8/CWrWFKT5RAkvQCKuztE2lcU9ha1OaKt/5URog+8/RVd DLFKwXQjlAMAICxjg8e8SC0YAvc7eNYpiR6yWBiGur2QTTFpLfoXvzcbGJULcb44ze5MBcijxgggn dckjRRXLUZe0GDRZiypgBj1+abklrunJjmDYBBaxbKbBvoqAZIKrg+6yG/LSPQ9nRAoWXC6DHhsgI pBOsc/fwFZco8oirfRx7uKbB91mFmrxIxhWXi2S/cZrBJkylAHSiW4UUXpoVBD9r1WT4UI2bTG0wz patka8RrQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lKgxa-00BQbJ-Mh; Fri, 12 Mar 2021 12:32:07 +0000 Received: from mail-db8eur05on2058.outbound.protection.outlook.com ([40.107.20.58] helo=EUR05-DB8-obe.outbound.protection.outlook.com) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lKgxT-00BQZb-FD for linux-arm-kernel@lists.infradead.org; Fri, 12 Mar 2021 12:32:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=YXcmaIpHqTYnp4M6RtMIZ8y0yWOskuo5zjjFO0WTFFg=; b=i9M8F6Z0kcB5cHbVsaInmpSjQozjkuVeT+AzbiF3j63umkBWToMNY4W1rXU4En5Sf+t4K+C0fgJNTDqynpeSQ5lItTLdQx2J+oAPylLpLxXd1/CVCw+uZZaCCXbu7Cf8hKmUnGrnL71TWHV+YUnx/WB5HYBP5YtCN1Ws2mwYW7c= Received: from MR1P264CA0029.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:2f::16) by AM6PR08MB3319.eurprd08.prod.outlook.com (2603:10a6:209:4e::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3933.32; Fri, 12 Mar 2021 12:31:56 +0000 Received: from VE1EUR03FT014.eop-EUR03.prod.protection.outlook.com (2603:10a6:501:2f:cafe::8f) by MR1P264CA0029.outlook.office365.com (2603:10a6:501:2f::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3912.29 via Frontend Transport; Fri, 12 Mar 2021 12:31:56 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 63.35.35.123) smtp.mailfrom=arm.com; lists.infradead.org; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com;lists.infradead.org; dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 63.35.35.123 as permitted sender) receiver=protection.outlook.com; client-ip=63.35.35.123; helo=64aa7808-outbound-1.mta.getcheckrecipient.com; Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by VE1EUR03FT014.mail.protection.outlook.com (10.152.19.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3933.31 via Frontend Transport; Fri, 12 Mar 2021 12:31:56 +0000 Received: ("Tessian outbound 57597fd826fb:v71"); Fri, 12 Mar 2021 12:31:55 +0000 X-CheckRecipientChecked: true X-CR-MTA-CID: ff58077003184085 X-CR-MTA-TID: 64aa7808 Received: from fc7bb07e11a8.3 by 64aa7808-outbound-1.mta.getcheckrecipient.com id 3FE52631-A575-4662-9524-5F0977D0D59E.1; Fri, 12 Mar 2021 12:31:50 +0000 Received: from EUR04-HE1-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id fc7bb07e11a8.3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384); Fri, 12 Mar 2021 12:31:50 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=B8JSD+pgjldybjrZPezgm0eoAxadyRA6O4Zculqm5LbBv7rsdbqYFaW49U//He/5NoRIVtu5g+8DIOhoAXDvKcH0MpVuZlXjRMsZnxi2P9RF6DedYGb2gJz8+nS6JQbA6QBOIDcgFD3itXTVGP/ohqZMYg4GCIH6m+hUagMP2GAaOHvvLMtnyEd23F0MEEFTji/9CBkjE+laHCcRx2LUbMO33L0FVJLzfm3UwkpBuzHMvQDhgDiv+F0WVxc6M4bpOpTJH/oP4jSOiMBh5Fl43Q8iYC7N/Fd65e5OdwfzoPqNI3kWNpQXDoOf1SfAM4sS06kA5OsCD2FOH55z7b0TPA== 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-SenderADCheck; bh=YXcmaIpHqTYnp4M6RtMIZ8y0yWOskuo5zjjFO0WTFFg=; b=MizLEkaJZduoZmgpMiLkCIdKZyaIWyhxAehVCAXWeIgtJLtDgF8Ujy7vsG829Zr0tpeiuXqIRlHbN/JEQLXeX7XuHlNaQ7rKlXf+APILZhF0ZzHxhghh1lpKo8wSPZCZTWUBkmN7lri2CNgZ5cJYg43QhfHnUkGDSJ0ODbpRuHPXHShObUc8N9uqNXAx/7KGJNVkrU0xmgHTMmXJj2YeNEcxNNGBiiyd5fsMmEuHXR3+AOdyEzvPIvGlrK1hfhvXCv3o0eULr9/R6EVNxWrMXK924zbCDiO/QTdqw08aR+EfNPdB+QcuVvmM+BcnvIiMYcTyqmG0Z0p74fs3tueyLg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=YXcmaIpHqTYnp4M6RtMIZ8y0yWOskuo5zjjFO0WTFFg=; b=i9M8F6Z0kcB5cHbVsaInmpSjQozjkuVeT+AzbiF3j63umkBWToMNY4W1rXU4En5Sf+t4K+C0fgJNTDqynpeSQ5lItTLdQx2J+oAPylLpLxXd1/CVCw+uZZaCCXbu7Cf8hKmUnGrnL71TWHV+YUnx/WB5HYBP5YtCN1Ws2mwYW7c= Authentication-Results-Original: huawei.com; dkim=none (message not signed) header.d=none;huawei.com; dmarc=none action=none header.from=arm.com; Received: from AM0PR08MB3268.eurprd08.prod.outlook.com (2603:10a6:208:65::26) by AM0PR08MB3075.eurprd08.prod.outlook.com (2603:10a6:208:5a::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3912.26; Fri, 12 Mar 2021 12:31:38 +0000 Received: from AM0PR08MB3268.eurprd08.prod.outlook.com ([fe80::b55a:5a00:982b:a685]) by AM0PR08MB3268.eurprd08.prod.outlook.com ([fe80::b55a:5a00:982b:a685%6]) with mapi id 15.20.3933.032; Fri, 12 Mar 2021 12:31:37 +0000 Subject: Re: [PATCH RFC v1 04/15] iommu/arm-smmu-v3: Update CD base address info for user-space To: Jean-Philippe Brucker Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, virtualization@lists.linux-foundation.org, joro@8bytes.org, will.deacon@arm.com, mst@redhat.com, robin.murphy@arm.com, eric.auger@redhat.com, alex.williamson@redhat.com, kevin.tian@intel.com, jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com, lorenzo.pieralisi@arm.com, shameerali.kolothum.thodi@huawei.com References: <20210115121342.15093-1-vivek.gautam@arm.com> <20210115121342.15093-5-vivek.gautam@arm.com> From: Vivek Kumar Gautam Message-ID: <51280327-e1a1-f3fc-a2dd-2d3bd740aa9f@arm.com> Date: Fri, 12 Mar 2021 18:01:28 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [217.140.105.56] X-ClientProxiedBy: PN1PR0101CA0036.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c00:c::22) To AM0PR08MB3268.eurprd08.prod.outlook.com (2603:10a6:208:65::26) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [10.162.16.71] (217.140.105.56) by PN1PR0101CA0036.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c00:c::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3912.17 via Frontend Transport; Fri, 12 Mar 2021 12:31:33 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 00c66640-a838-44f5-058e-08d8e552d2fe X-MS-TrafficTypeDiagnostic: AM0PR08MB3075:|AM6PR08MB3319: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true NoDisclaimer: true X-MS-Oob-TLC-OOBClassifiers: OLM:8882;OLM:8882; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: SokZYv1GmHpjfdptX7Mf6Vspmb5wBdJ6f5rWJ2eX2joakNfCIiFD2XizyNmGp3F8Hq+imFbQM/FdncyEpa5deymJVtZ/8BZJNr68DJFKQc/GdMsapgtCVEWQ2N43ET6lP5UYXXNnntE7TZZ7X5UqkDrPA/ktYMRs8oX4hVbqgMPiu2Z2bE6A709xKvRxEgPaeQb+FlSdWQGm5RO7MJmgridRcri85vLtFLIUuS0YrjVnT+l1vwMpLflkLA+AFdwR5yXnZ31yEhJrJstVq95ZFRRCZRu5jfW2P7LM/SzYESfAFtj+v6VYmFbUS0P0Qhhtrmx8QTkFFmp5iGyrHmZnNfdbjLlRsn1t5e26EuQClO//cdCDp7gaN1/8fGbTqsTIjxqgGKi6cB/elAawzqAJueG1pLWj/kwPj3H7DJdLf5ONqVMRciwRAvtCFD6vN2I2q08bYy4m5FzIWwO+0U672uCKoQIxVXOWkwuPXKJgQ6Qoi0dTT3dWP0tnAGWI2eZW8n6uBRXPLkqpm6KbrLgYcmWMUN7aWNYyd60DlbqjciEpzlB+cy4qHJbLFCthflbHT61OX+ey+StXnsGwQytTizEZbs+E45hVWTnLMD7kYZzT6f6T5TjJtVKYOKEoCi26tsoy8CqjmDg9ACLS/S3b9g/aVcwlZcKtgUh1lwN2kOY= X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM0PR08MB3268.eurprd08.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(346002)(376002)(39860400002)(396003)(136003)(366004)(316002)(52116002)(83380400001)(8676002)(36756003)(86362001)(6916009)(8936002)(2616005)(5660300002)(478600001)(16526019)(26005)(4326008)(7416002)(6486002)(186003)(16576012)(53546011)(31686004)(31696002)(66556008)(66476007)(66946007)(6666004)(2906002)(15650500001)(956004)(43740500002)(45980500001)(414714003)(473944003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?Z25Wbk5OSWtZZ0phU1AzNDB5WUNFeFdjTGlsaGhEbEFWSEc1cFAyZTZMNHUr?= =?utf-8?B?UzN4d0ZFYmRyTDFYWjREVWo4RmU4Rm5YbEJvbHpYaWpmR1ZVc1lCdnI1WlJz?= =?utf-8?B?VDNicjQxekZ5Njk2UVFQK2RERDMzK3VZRndVN3d3RjBPc2o4UU9VZ1VzY2Rr?= =?utf-8?B?dnU5TnlHbm4wT3J3bmdiNERZNjVoQml3YjhkMW50KzEwUjZYaEM3bmRXdVJ4?= =?utf-8?B?R3pJV3lMa1p0UjBUVzdTakdRNlV6KzdML09wNDBzQ1FWMi9KcHI2eWVDd2sw?= =?utf-8?B?QVhINzB4TDBYTS9FYk9WQ09BOWdoRFdIQU5MTEQ1V2l3RUkxR3lBOWw1V0NX?= =?utf-8?B?eHpJV3NhMXhBQW0yS0psbzJXazNHQmttczFHbHNYQlNOZ1JmYlBRYS9saC91?= =?utf-8?B?U3pOUEF0K0ptd21UOEF3SStQanoxMTA0TjRxcEJLell4TlhpYnQ4QnBFQlBy?= =?utf-8?B?d2pCcDAzcmVKSy9xdFYrNWZ2S0FicjVpLzNMMHpuN1JDS1ArV3U4UWUrNEkz?= =?utf-8?B?RXNHczJJMVFwdHQ1VHZONEVsQU1OYWRFMlRRQ3h6czJwUnNaTTJVMS9mMnE5?= =?utf-8?B?cjc0RkUvNnE2Qm9vUVg3Uy9QS2FDYzJ0M2VBdlRZRHp6WFZ1dmc4RE5ZMjdh?= =?utf-8?B?ZU1icENEckRHVnZaZm1YT0txZllKREltKzNoK1c0NElNNndPcWFSRldOYVZ0?= =?utf-8?B?eEdvVmZJRFJrbHBRWjZvVzdRd3ZiaCtuK05TNDVPL0xDYnRzQ0d1UWZBeHVq?= =?utf-8?B?VFdjSytFSTdGNWRNM3U0UWhRNmZ3VWM3ZGRsUDV3TFkwZ3hTSW0vOXo3c1A2?= =?utf-8?B?YW9xWWN0cWErYkhGTWNqcVZTaUgxNVlTRWcyQzVYWGpCQkFVZHcybUpmL1Fs?= =?utf-8?B?YUhtQ1c3MkU2Y0M2WVRyWUh1K0d2NW9hUTh3d3VsdzJqSGZWeTJxNC9tajNJ?= =?utf-8?B?cFpyRWU3T0Y4bHVQSzlVMWNDTFBiRXdyQWhTNmRWT0NvRGZ0c3hmZEpXa3Zv?= =?utf-8?B?QWI5WjFBL0lqWWZhdmEyRGU4TjNKZUVabm50cFl2enZ0Rklnd0xmenJCLzNm?= =?utf-8?B?ZUUrK2Y4RFdLL3V5Z0wwTUtYS3VUUjUva2l5aHJsQ2pvaU1NWEVaN3NTNmJF?= =?utf-8?B?UmR0U0JJYTdqdUJJQjUyb0Rsc2dzem9ZcWVRclMwbnVwYWNuMjdtVTQ5Q2g5?= =?utf-8?B?ZGFWZ0xyVitEbVVqQ3kvTTQyd0UvT0I1bzhrUlhEVmNuUWJxeHdnTGhkNklO?= =?utf-8?B?ampFZ0hTWm9RSFRYMHhOVHdTeXptckVXY0ViQlhKUzEyZUJSQVUvbXFtU2ZV?= =?utf-8?B?T2xHR2k3Uk82NWZJajlMaTZ6ajFKamdVREEyUzY3dUgxajgyMFJsU1dmNnlp?= =?utf-8?B?S0JQMS9rYWlyak0wS3JNNE5ZRE84V1JVNVlLMUp2SlVFUVBRT0VMS2ZIVUlY?= =?utf-8?B?bTB4Y0g0VHFPYU93ekM3UHVJK00yQ0VYblNCVFFlOU5KeHR4bDc4VlIvUW9E?= =?utf-8?B?NXFZOWtHTjFKU0xLVmE1Q1F5ODRKQkl6TW9BYnVDNTNuQWlYdjBmSWxrZ1pR?= =?utf-8?B?eE5ES2lOSjNiOWdqRlBzeVBSQ3BEaXF4NGJFNmlIOGZnTnh2SExhcjdZT1lG?= =?utf-8?B?Z3Q4My9mL0tnbUl3TEcrd0tGenZqVHpzRFh6Snl1QVkyWXNxcnYvT214SUpx?= =?utf-8?B?cGhGN2s2ZWt0T0ZsREdqdGs2RmlzOFpqUjRFQS9sRmU2ZU1LbTFUVk1kMDFj?= =?utf-8?Q?Mm6DyuwpX8RV6iqpIKz/HJpN/i6Km9MFGeEaqeY?= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB3075 Original-Authentication-Results: huawei.com; dkim=none (message not signed) header.d=none;huawei.com; dmarc=none action=none header.from=arm.com; X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: VE1EUR03FT014.eop-EUR03.prod.protection.outlook.com X-MS-Office365-Filtering-Correlation-Id-Prvs: 3182366d-8c37-4b67-eae0-08d8e552c6dd X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:63.35.35.123; CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(4636009)(396003)(39860400002)(346002)(136003)(376002)(36840700001)(46966006)(356005)(5660300002)(81166007)(70586007)(70206006)(36860700001)(82310400003)(36756003)(47076005)(82740400003)(83380400001)(4326008)(8676002)(6666004)(2616005)(31686004)(53546011)(31696002)(6486002)(478600001)(86362001)(956004)(336012)(16576012)(316002)(107886003)(186003)(16526019)(8936002)(6862004)(26005)(2906002)(15650500001)(43740500002)(414714003)(473944003); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Mar 2021 12:31:56.1517 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 00c66640-a838-44f5-058e-08d8e552d2fe X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR03FT014.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR08MB3319 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210312_123159_669664_EE6593E7 X-CRM114-Status: GOOD ( 19.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Jean, On 3/3/21 10:44 PM, Jean-Philippe Brucker wrote: > On Fri, Jan 15, 2021 at 05:43:31PM +0530, Vivek Gautam wrote: >> Update base address information in vendor pasid table info to pass that >> to user-space for stage1 table management. >> >> Signed-off-by: Vivek Gautam >> Cc: Joerg Roedel >> Cc: Will Deacon >> Cc: Robin Murphy >> Cc: Jean-Philippe Brucker >> Cc: Eric Auger >> Cc: Alex Williamson >> Cc: Kevin Tian >> Cc: Jacob Pan >> Cc: Liu Yi L >> Cc: Lorenzo Pieralisi >> Cc: Shameerali Kolothum Thodi >> --- >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c | 6 ++++++ >> 1 file changed, 6 insertions(+) >> >> diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c >> index 8a7187534706..ec37476c8d09 100644 >> --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c >> +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c >> @@ -55,6 +55,9 @@ static __le64 *arm_smmu_get_cd_ptr(struct iommu_vendor_psdtable_cfg *pst_cfg, >> if (arm_smmu_alloc_cd_leaf_table(dev, l1_desc)) >> return NULL; >> >> + if (s1cfg->s1fmt == STRTAB_STE_0_S1FMT_LINEAR) >> + pst_cfg->base = l1_desc->l2ptr_dma; >> + > > This isn't the right place, because this path allocates second-level > tables for two-level tables. I don't think we need pst_cfg->base at all, > because for both linear and two-level tables, the base pointer is in > cdcfg->cdtab_dma, which can be read directly. Sure, will remove this. > > Thanks, > Jean > >> l1ptr = cdcfg->cdtab + idx * CTXDESC_L1_DESC_DWORDS; >> arm_smmu_write_cd_l1_desc(l1ptr, l1_desc); >> /* An invalid L1CD can be cached */ >> @@ -211,6 +214,9 @@ static int arm_smmu_alloc_cd_tables(struct iommu_vendor_psdtable_cfg *pst_cfg) >> goto err_free_l1; >> } >> >> + if (s1cfg->s1fmt == STRTAB_STE_0_S1FMT_64K_L2) >> + pst_cfg->base = cdcfg->cdtab_dma; >> + >> return 0; >> >> err_free_l1: >> -- >> 2.17.1 >> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel