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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 42628C4332F for ; Mon, 6 Nov 2023 12:27:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WiGFVAq1bdJ1VObENud4SyIXolIO29AlypUe/JXvGmw=; b=jF6KRiKMN51sLQ Ccjg6DiMaTblv9Ig/Aunkk+jrjK7y1mffiBjS/BUw54hH1f8M6BHeCBHsgdRXhTpuQJRIMOS+D1KK rv14ufeo5x77PUb6J8ZqH9lAtXnNhoU8s+WwY9OprasMdQbh0lobzUj7V3n1kPeCUSQXecGdFKCub 4skv848Sf/ybY8FNh3QWvvcM3gVDO2AHPsF4+rgxBPY5dqpNqx2s/nSSusukb6xXkmCAL/Ltg3aTV MGSFBa5rx3vmbXkdDRFD1MgAt6kx3XhbDp2TcS7im86xvDyeGz89MUCBOptSMBZDQJzqgm4RsFVW5 RD2YKCqUIeeOyM+Fy8Hg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qzyh4-00GdKY-1f; Mon, 06 Nov 2023 12:27:02 +0000 Received: from mail-mw2nam10on20605.outbound.protection.outlook.com ([2a01:111:f400:7e89::605] helo=NAM10-MW2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qzyh1-00GdJe-1G for linux-arm-kernel@lists.infradead.org; Mon, 06 Nov 2023 12:27:00 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Vy24n5h+mOvnZB8R5Hi8Tb3/+b91HK3QjJdx6SZ9YCELOjrmNBQqu/VIlmTDDzJ10dFyNps1c0vzRnHxkdNOAhBwxRxv3RTc3eUwe18no9HwzPjzCyvTE7psMQ8dhUO9usGLrhe6kU1Q0sK7XrAbFDqcdZuBPqsfEoNLgyInoECN5hbUjPj439iixbjP++QeXYQMnUG1JXdkYt/XUk5abiNbBTf1yI1P/Jz+lsplSGZK+JZfUup6FT6fz4EysboJvzUGi6ZcEzEiCPP4OoDJHJBBg1+0tk/fXDw0Ja/Sebw3ytbln1BYd61j9dizRVwaXplHgj2qcZRNc/wVmP+YLQ== 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=uChlgny/10MkaUjfanUmc2RFhyTtfdyCnV785rbolCU=; b=eTZ11862W1zVR5mTP29KBp5zPd0wDxxaoU4OVNvmUllbQuarF2cPpGhDZstWl7AuPJTgTuUF31//9tSwHpO5HCaG8VwdS/0Ef68DoRpGJmC6ThBzQONEKaD3mBHgMhxdrlXb8rvQo+l0jUmI/oOfLW8uho/ZLdAKV+xvdo5GEiN8zzSa+7ST2taJdzLep83iNNvrzJDyQ5VVSKoTD0YUslNDjP2wNhyvrwjzGQcKta5JDgYKUiNK1L2d8Fd5mIRyn8Cp4e7XtKBcY5hQM4E6TMeAV1usI3ZWmwGQVxJ4qYCV0HS0IWp9GoENrNLt7OhUUkBRUEMIAYV7JJdmhUOmEw== 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=uChlgny/10MkaUjfanUmc2RFhyTtfdyCnV785rbolCU=; b=FjRdIL4xBJBxfIb6KZ37mrV13/bFG8IkjVtvgjrIvfHoZTnYjiMsQzJrF3DMThYqE7yn19XzzMWCKtNLIoIfXzgjv/B/s1kkSla+7xRCcZC0kjeLk4dY5oXO6olPbTRIveSoqhQNNaA13Aq81rZIAPm0TtneG37caL9sXqeEGPdQu6Ok/ALCpXro+wowZ9fgwffOPdAr2/7MxZvNdJ9KYYt5kvTuhv/p15JHkanw6UYwktTkX2jN9wfPrs+5Fo7ewDhRIHuAuqngB8Gg0XyrYJMxxxEmIc/OEtmIkmYY/3AQglvV6Wlvq5RR70Xj5hJVypsS90y06yOJLyYqTZ53BA== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) by SA0PR12MB4464.namprd12.prod.outlook.com (2603:10b6:806:9f::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6954.28; Mon, 6 Nov 2023 12:26:47 +0000 Received: from LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::b53a:1092:9be2:cfb9]) by LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::b53a:1092:9be2:cfb9%5]) with mapi id 15.20.6954.027; Mon, 6 Nov 2023 12:26:47 +0000 Date: Mon, 6 Nov 2023 08:26:46 -0400 From: Jason Gunthorpe To: Michael Shavit Cc: iommu@lists.linux.dev, Joerg Roedel , linux-arm-kernel@lists.infradead.org, Robin Murphy , Will Deacon , Jean-Philippe Brucker , Nicolin Chen Subject: Re: [PATCH v2 16/27] iommu/arm-smmu-v3: Keep track of valid CD entries in the cd_table Message-ID: <20231106122646.GD4488@nvidia.com> References: <0-v2-16665a652079+5947-smmuv3_newapi_p2_jgg@nvidia.com> <16-v2-16665a652079+5947-smmuv3_newapi_p2_jgg@nvidia.com> Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: BL1PR13CA0334.namprd13.prod.outlook.com (2603:10b6:208:2c6::9) To LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV2PR12MB5869:EE_|SA0PR12MB4464:EE_ X-MS-Office365-Filtering-Correlation-Id: 514b5c42-aa80-4f97-dc78-08dbdec3a510 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: fvI54UsvLKAuvX8TCe5LAftqooC2amx+yKVgNzejwIG4SAlaJSD4qAOhAqZS2e+iuQNMG+ORReZgsfDSkR1+PsADAbPqfF+ll8mR1+9VmTikTTG8JF6QVXtgiciHQgGPxmWL8IzX/6IXFMCgx8YL6Of7SS3oaUq0ICCZyaB6DUZPrpjLafFl4rjwlAhEvut7z7ggyFxhM1RoU4pQqwmduVOBAb8FuPOdZ56dLTeOcO8MKZn8e7RsH/n0Lxxs1IL7dO23EB99fiPuwj49lmcloIhEaSzMpdgXM0D8sYA/amANQ1dCbBzS0epsuF3mVIyYvYC9QsLbqG2s25zP1Gzk1gsU0qQs+JQwY81Qcf5A6FA6zlmkP26WeCeTuO1DLWTozM7gsXXkTH0oIGfH93Fyiy+FvVAp6TeJDZg7Two8iBLDiTVtAcntYX46E+XuGo/MMpR2NjrRX0NFOZypV7GOEXVCwdMtpNT8fp4Uc/w1PMq+WMO8jIzOMEIQVHWcb6yDqW//b2tXGs7p20wRCQC804njPmCT5wAgQnzBZzzEKK9lC8g7vLFAe9pnbhECMRA5 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(366004)(346002)(376002)(396003)(136003)(39860400002)(230922051799003)(64100799003)(186009)(1800799009)(451199024)(2616005)(6506007)(53546011)(6512007)(107886003)(26005)(1076003)(6486002)(478600001)(38100700002)(8676002)(66476007)(8936002)(54906003)(316002)(66946007)(6916009)(66556008)(4326008)(5660300002)(86362001)(2906002)(4744005)(41300700001)(36756003)(33656002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?TVBUdlh3TDdaVldMRTFEbkNnUVpBWlp5NjBvZjRYa2VIWFBsWnhidWxyaEh4?= =?utf-8?B?NzNrUGxxcjU5c01YYVZTMkYyL2JCTjgwdUxOYmw2M09lUjh5SHJMVkorZzR3?= =?utf-8?B?dU51ZFVSWjJ6NnJySGUzYlREOC94Q2ttSHJVRVFkb0sxV0VFaklIMDJmdjZC?= =?utf-8?B?SU4xc0tFZDFOTUdFNDZsZnBkMmRMNWMzSkV4LzA4VDFjbnR0NkFGeWFJZGtq?= =?utf-8?B?NUhlOTZ5cS9aUXR6dVFPWjczZFhnY0MrM1JVaHZVQVRzaGNGRmZibEg5ODJj?= =?utf-8?B?QVF1cXhRamw5SW81S3l5UmlBcy83MWl0VVJtQ0lad0RxbkhWOURxeTlneUZY?= =?utf-8?B?RWJNalc0eDNmWmNGS0kvL3ZoMDFRVW1SUEkrTG02eWh1Y05VcFAyZFFHdmg3?= =?utf-8?B?SktSanpvNloyUGwxUlRWS0JsSytMNmVJcDVrZjBSMEo3dzhBczdjUE1aeXQ1?= =?utf-8?B?aFRCVlRJd2IyMitXQjdGU2c0MHQzUVdKemxzWFZISld6RXdGSFlDYmI5ZXlh?= =?utf-8?B?UjRWQ1Bxa09Oc2pFVWZFaWpQaHpBVFRtdlhCTXQzUVhRaTNSRlBKNHkzTUpS?= =?utf-8?B?MG5HNGVOdDRURkg3RnVPcHJSbjVmYkhLWExpRzhLRjIwY3RjcTZTVkVFcWda?= =?utf-8?B?My90SDZTZ3haRW9FQStXSm85Y1prcWl0QUNCM0ovYXFiejJtZmtmY0V4VS9R?= =?utf-8?B?MDFyZEVpT3NTWmN6YlRGWnlLQTd5TTFqMGZDMGNsdE9EeS9TempSYmlJSkds?= =?utf-8?B?cUtDTHlDVU9KVm44dEU3bXJXUGdiaDUxRUpTV3dueGVNL25kMGxwZ3pvQ2NE?= =?utf-8?B?ZVhWeUdaTFI2TE9lbVloOU9MNHMxeEZVZ0F2dGErbmlZUnpQWDFEekNKRHhC?= =?utf-8?B?M3NvK2RHTElWUnFzMFBYUE1VMldqTVNTTFRKRDZRcmQxcnU0eC9ybnhOeHNL?= =?utf-8?B?SnhBVEJvMmpPQ3BTa3ROdkovVlVuYnV4VHE1MjVDcCtsOHN6Wmx5dU1Rdm9C?= =?utf-8?B?VlBXMnk3VXNxL0lMYjc5S0t2bHNkRmZRN1g1dC9ibVR2RHRGbUxsTmxPYzU2?= =?utf-8?B?aEp3Vi9iTW5iaEVLa1FrbVlaVUhpVkprRFcrNGNSR0xXcEpRU1d2V05YZU41?= =?utf-8?B?VG9odkFMdURobHVJVUVvTFZUcStCdjk2OGthdFVuYk0zOGVZMXZyb2l0V1Uv?= =?utf-8?B?dlZnVk9WYzc5MWVHZ0JoMXUxNkhqdTVWUEttQ0dielVSZmdaVkhscTkxZmdQ?= =?utf-8?B?YmlLUmtsc3FVazQrZ2M3YlBFWEpWWXRwK0F3ZHFFOFNZTTF6bk81dXZ6ejBm?= =?utf-8?B?MjlWVStRNEV6ZCt4UzhQdmRUdXplS29TUjFhaXRyTncrMjQ1WHlGV05CWmZj?= =?utf-8?B?UjJpRlRNTmNIRWZJeVR4czRwTTRsNjV4bWRabmRleGpDZVhub29COEtPbWxm?= =?utf-8?B?UjFEa2d2MGk2SmVSa3NRTnBpY0QwSC8yNUVLUXVyUkFpcmdlRFhibVdCSkVz?= =?utf-8?B?enRwWmpRN2c5QUo3b0ljZSt0NDBqd0UwMndBcTd0bFJsbGJGdVdKeHNNZSsv?= =?utf-8?B?eW1pTVB3RHFYVnl4SEVVVXQ0VjhzclduRzhIa0lLUDNSd1pvQm1xV09FSUJ5?= =?utf-8?B?N3pMNUlrQ25INmRHVEU0YnVuZzl6YVlCUUExL01QSkJPaDdKaTh4ekRwYjFx?= =?utf-8?B?R1JBaGNrQzdQdDRtRTdYNXUwR25kSUd2RVA0NnhjYjNCT0V4czVLdUNXQmov?= =?utf-8?B?US9LdDk1eG43Slp2ZG9NMW5PMlhSN0ZFMy9HZkJ4ZzcvZVRrWHIyUnFlNnJv?= =?utf-8?B?NmJzbjdSYitzQzlNNWtFNGNvY2FYM0UrWmNwYlExQ1U1Z1NlaFdZRU5pZlJT?= =?utf-8?B?T1dNamlOSmU1QWcyV1pCbTBBKy8yL0dHTmpGYVI5dU93OGZTcGRLdW9RRS9z?= =?utf-8?B?NnY5Q1VaR3M3WVJBU1VVWjU1b3dzKzdiNXY1c2hEakJUSkRUcC9TUDF0OUx0?= =?utf-8?B?ZmF6OVVTZGR1S0ZEdEE3MHIzbU5IZEFHTERjbC9zWTBTOU43eGpmMDVvZWlu?= =?utf-8?B?NytzbjQ2NFlTUGI3SFBkb3c1dnc2L3F1UzAxMXRrY01mOHlHWDk0VlUvQnFs?= =?utf-8?Q?MsWYVzB37CC1yJpx07vqsjk0c?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 514b5c42-aa80-4f97-dc78-08dbdec3a510 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Nov 2023 12:26:47.4865 (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: OdetmzaoRk/yTGxEUrxDscEmhiCJYOh7gG+XemSTIGHigkbPDYNOZ9IAk4Xjx0ZX X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4464 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231106_042659_434956_0AE1A391 X-CRM114-Status: GOOD ( 11.87 ) 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gTW9uLCBOb3YgMDYsIDIwMjMgYXQgMDU6MDI6NTlQTSArMDgwMCwgTWljaGFlbCBTaGF2aXQg d3JvdGU6Cj4gT24gVGh1LCBOb3YgMiwgMjAyMyBhdCA3OjM34oCvQU0gSmFzb24gR3VudGhvcnBl IDxqZ2dAbnZpZGlhLmNvbT4gd3JvdGU6Cj4gPgo+ID4gV2Ugbm8gbG9uZ2VyIG5lZWQgYSBtYXN0 ZXItPnN2YV9lbmFibGUgdG8gY29udHJvbCB3aGF0IGF0dGFjaGVzIGFyZQo+ID4gYWxsb3dlZC4K PiAKPiBEb2Vzbid0IGl0IGFsc28gZ3VhcmQgYWdhaW5zdCBhdHRhY2hpbmcgYSBkb21haW4gYmVm b3JlCj4gYXJtX3NtbXVfbWFzdGVyX3N2YV9lbmFibGVfaW9wZiBpcyBjYWxsZWQ/IElzIHRoZSBp ZGVhIGhlcmUgdG8gYWxsb3cKPiBhdHRhY2hpbmcgU1ZBIGRvbWFpbnMgaW5kZXBlbmRlbnRseSBv ZiB3aGV0aGVyIGl0IHdpbGwgYmUgZnVuY3Rpb25hbAo+IG9yIG5vdD8KClllcywgYXQgdGhpcyBw b2ludC4gTHUgaGFzIGEgc2VyaWVzIHRoYXQgd2lsbCBsZXQgdXMgcmVtb3ZlCmFybV9zbW11X21h c3Rlcl9zdmFfZW5hYmxlX2lvcGYoKSBhbmQgcHV0IGl0IGluIGRvbWFpbiBhdHRhY2ggd2hlcmUg aXQKYmVsb25ncy4KCkphc29uCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVs QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9s aXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==