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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB693C433F5 for ; Thu, 12 May 2022 05:01:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348690AbiELFBU (ORCPT ); Thu, 12 May 2022 01:01:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348062AbiELFBR (ORCPT ); Thu, 12 May 2022 01:01:17 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35DA06E8D4 for ; Wed, 11 May 2022 22:01:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652331676; x=1683867676; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=9UmPzthUswKbZLlMLLZR9ev+K/RnGwFkuUVq8Nct4zk=; b=UPp5wultQ2vwSq+dI7j5QbWoeWU7Me+hBKGwnq0XLb9zlHQqL2uOYkPF mFFMVS8+UtdhRbsNHOcgACv1r4NXrYx51xoUgDF0g1LoD9QwjDT3SZRge gAfsK3AlCegvkdfHREIcs7DlxOaj+UccDcehy6VxldAREvPnmPRU66Nlp I9aLmJr8eSN4w1KvV0+Xipjrs2qn9eDF7yV0H9j+vCyoKdgavBGU3K0KT rTQp3Zx5LAokl1S4I5UNZUJx4A/hURW24Yl387NV4bj36xTUORvahHNMK a6cwknsRW9tAshH1Ord2vlBe7VcZt0Fkyd2DfxWxs7rZwR/Bz0z9EkAF7 g==; X-IronPort-AV: E=McAfee;i="6400,9594,10344"; a="249785294" X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="249785294" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2022 22:01:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="697874655" Received: from orsmsx605.amr.corp.intel.com ([10.22.229.18]) by orsmga004.jf.intel.com with ESMTP; 11 May 2022 22:01:15 -0700 Received: from orsmsx612.amr.corp.intel.com (10.22.229.25) by ORSMSX605.amr.corp.intel.com (10.22.229.18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Wed, 11 May 2022 22:01:15 -0700 Received: from orsmsx604.amr.corp.intel.com (10.22.229.17) by ORSMSX612.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Wed, 11 May 2022 22:01:14 -0700 Received: from ORSEDG601.ED.cps.intel.com (10.7.248.6) by orsmsx604.amr.corp.intel.com (10.22.229.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27 via Frontend Transport; Wed, 11 May 2022 22:01:14 -0700 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (104.47.59.177) by edgegateway.intel.com (134.134.137.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2308.27; Wed, 11 May 2022 22:01:14 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=fse2FDdTzZegNyJG/KE+ulp3L5JDVldx0iCyN1SntPxNVWWpXOAnBvvo3XMI+k1NSVIyPjQpcyArnAHgGHVeHt7vWhnMdoPkRqyrpKRwzeoxB53nvB7iNXjNrZZBedJJ6UWoEno/QWyTxxdW40vE/KrTmP2BvVklrPglvu4xbqh4gt0MsT7nhe/H+glz496mfN+l8f3qm6VzG+aQ4Elc4jFmEzT0u37S6Lgpb0zbgssrcG/j4EnjGQt7rGvyKkOGlCENrVhyoFdzk9lOQXMT+uzCo7nvarfa5XQjj2o4qNVGz16290CCUPOT/VpVdCSjSD7il6KIHmXV3LPyh7ExLg== 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=9UmPzthUswKbZLlMLLZR9ev+K/RnGwFkuUVq8Nct4zk=; b=ZyZkY0GhN2p5n+cKVyypTGz6KJzWyulTdQ4n3A1z8fsXr5+fQyQbK3OhsCIG8xM0/6gZa3Wn3FYbJq1biOxQ/cS0UlP9D68jNnExu3vuyUr10owSjx7QI6DoxSLMm3pCC7pjqbCjYaMRfPlpmxInXNwnh+eNmcWhwcAo/CaTTBsKEAPN3+0bVKLFyQH2BsuwVNF7y7BPI6SXllIkCUXgBh2bX+pQqCD9EPpYP2KIo5y3xsdOjIIsoVLYHAY9VdEv6tn+le5tSGHr522UBJFoUZLQ1Y44WE/07b41+RnIdG7O4nNHOAq9dv2Sevwq94iMeIfbLCIqL7mRqMf4JEEbMQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Received: from BN9PR11MB5276.namprd11.prod.outlook.com (2603:10b6:408:135::18) by MN0PR11MB6034.namprd11.prod.outlook.com (2603:10b6:208:375::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5250.13; Thu, 12 May 2022 05:01:12 +0000 Received: from BN9PR11MB5276.namprd11.prod.outlook.com ([fe80::24dd:37c2:3778:1adb]) by BN9PR11MB5276.namprd11.prod.outlook.com ([fe80::24dd:37c2:3778:1adb%2]) with mapi id 15.20.5250.013; Thu, 12 May 2022 05:01:12 +0000 From: "Tian, Kevin" To: Baolu Lu , Jason Gunthorpe CC: Joerg Roedel , Christoph Hellwig , "Raj, Ashok" , Will Deacon , "Robin Murphy" , Jean-Philippe Brucker , "Jiang, Dave" , Vinod Koul , Eric Auger , "Liu, Yi L" , "Pan, Jacob jun" , "iommu@lists.linux-foundation.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v6 08/12] iommu/sva: Use attach/detach_pasid_dev in SVA interfaces Thread-Topic: [PATCH v6 08/12] iommu/sva: Use attach/detach_pasid_dev in SVA interfaces Thread-Index: AQHYZDYuY5mdau8gXkqO6XGUIK16Ua0YO2IAgAELqoCAAH48gIAAy8WAgAAf/TA= Date: Thu, 12 May 2022 05:01:12 +0000 Message-ID: References: <20220510061738.2761430-1-baolu.lu@linux.intel.com> <20220510061738.2761430-9-baolu.lu@linux.intel.com> <20220510152330.GG49344@nvidia.com> <749a7d62-3e6c-ef5c-beaf-6b7add495740@linux.intel.com> <20220511145319.GZ49344@nvidia.com> <05a68e1e-8e18-5914-ebe7-d7b1a4aaa2ec@linux.intel.com> In-Reply-To: <05a68e1e-8e18-5914-ebe7-d7b1a4aaa2ec@linux.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7915fe28-29cf-4d68-4a20-08da33d46fc3 x-ms-traffictypediagnostic: MN0PR11MB6034:EE_ x-ld-processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr x-microsoft-antispam-prvs: 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:BN9PR11MB5276.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(366004)(2906002)(7416002)(122000001)(7696005)(6506007)(9686003)(26005)(5660300002)(110136005)(54906003)(55016003)(186003)(71200400001)(8936002)(82960400001)(53546011)(316002)(4744005)(38100700002)(38070700005)(76116006)(33656002)(508600001)(64756008)(66946007)(66556008)(66446008)(66476007)(52536014)(4326008)(8676002)(86362001);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?TmVWTlFOZFRiRytUc0owbk9XV21jaTRtVnhNSkdNeWo0bFFkWWZNMXNlVjM1?= =?utf-8?B?V3I0dytITTJGdlZWMldGcUJqNllwSGFzT1JrRU5NS1VJSkd6Q3NIaDdhOHNY?= =?utf-8?B?dURlM1B1RnB6aGlhcjBoNGlMN3NWL0RERGFNRGJsY0hmd2tURk5UOXhtR1BT?= =?utf-8?B?bHhPdWtzWmxDWlZwYUVCY0pyejM5TXFhUmVnY1YzdGRqMnA3TXgwTTh3MGVO?= =?utf-8?B?S2krSEdzczE0V01WbTJRamhIRVE2K1F0VWVXelVEQVJ3ZlBkUWl2Z3JrcEtI?= =?utf-8?B?dmQ2VVNMUy8wemY1cklPSVo5ZGZNTUNqVXQva3FTOUZQeVBsMmcxZTduZXBr?= =?utf-8?B?SlRxQXVKOVVBWi93dDNwK2V3ZG1PVkZiUmc5b3c4U2tWZHdmTkdSNDFsdURN?= =?utf-8?B?NEJmUS85Y3V6d2czQ1ZBT0lmajZnajNIN0dmemVDeXozaTBqR0hpSXpBd2dv?= =?utf-8?B?a3p1ZHBiU0d3ZVFGNWg0NG1IV2kyVEEzb2k1Y056WkMzVUJobnA5Y1ZmWjJQ?= =?utf-8?B?YXFvbE1GeUhtaHlJZ3l5YXVsRzVJL0xCa0Z2a3ZrSDYyMlZwVENDRDZScEl0?= =?utf-8?B?MlNILzdUQ2g3dWJEdWo3RjlTM2xObEhQV2x4V2luOGNyeVFKZGhZR0VhSWNq?= =?utf-8?B?TzFMUlRmcjFPd1ZKK2RWd29BM3FDUG9BcjY1di8zUE5PUmFkK1Y4MmJEdHR0?= =?utf-8?B?Wmx3eURmL1VrWVRqM2hBQVBuamZ3dERCNHRHL2pBWUVrREZVZDNhQWIzcHoz?= =?utf-8?B?S0d6NFI5YWU4L0gybFJ2TThMMzlLS05Ba0ZSMndSZnFXRVVYVlpQei9nRkJO?= =?utf-8?B?VVhmWUJrWHdUajRGa3EvbXJNU1k3ZmlMMGQvOVQ5QzBwMVVkc05HVVRjOFBN?= =?utf-8?B?NXdxdWpBUTAyQXJ5ekdGYlYzYTFvMXZaaUFMNHFCZ2ZBTW9sTEVhNzRwcC80?= =?utf-8?B?RXVoV2VieU9ydnRpakRURnU5Y0hDTEJPbStmUTcvV0pOb1pDdVhMa3JRWjdz?= =?utf-8?B?c2svWTEwakVGbmc2bmI4bFlKYUdWYkd6UUJZL3M0NEVNN1VWMTZPYUF0Rk0w?= =?utf-8?B?bFU1S2RIUEl5N1RVN1FCRkRWZUxVY09QdFA2c1VKU1hkbmlDMVhJdG9NVmVB?= =?utf-8?B?QkcvaS9CZWFFcVVaeFdpQmxWb2ozMGNPRU50RmhnNGpwWnhVbHV6TGJ3bWtO?= =?utf-8?B?cDVjclluaFUvRHd5SVFTbkR4QUxWVk1sOURIZkF6NDhBK1JERVJJTnRmbStT?= =?utf-8?B?L3BSZUpoZHhjeU4xZmgwZEZ1V2Z1bzlvUFdlTjdiZ1BveDRMRlBYMGxPeHE0?= =?utf-8?B?dTd4bEpzVHFYbURhTnMwWi9mci9mbkNhaDVnSWJnd0o0dG5hbXhlWWtBMDFn?= =?utf-8?B?M2JoVTVMR1N0N1ZsR3duMXcvdU8vK1dNMzVXNnR2c0JWTjhvSFo1US9NNFNL?= =?utf-8?B?ODYrTkpzM0hyb0ZVeVRDU3NFOFN5ZE82ZEFGRlNEZkppc2FjQ2FhdzN0Y3Jy?= =?utf-8?B?RkFPODNjMWh4TFluRndWaGRhWlNiYW1QdWhSQldHUWdRdkdlRkFPMStGRmdB?= =?utf-8?B?UTlIS0F3WlM3WkRESzU5QU9aWmxuS2ZWY1FvelVMWlgyRHlNT2pmRlZYWlRK?= =?utf-8?B?VHZkUzY4RVR3Y3BtdjNjdUFBWjcxSTQvd2hVazhyQ0VXQzlTYTl3bEhXU04w?= =?utf-8?B?a3hyblA4Y0hyTW9Zd1dQblJyMkhkV0FVTXNhYVNRbGtQQWNicGQrK3JSVlh3?= =?utf-8?B?VXVESFZGZFAvSUttWUpnTTAzMTREYXNBcE05bEpldFJuVmU1Q05iOXIya3pB?= =?utf-8?B?cldoUm1mMkxNTFJhS2FBaTh0cTBiTUdsYmpLU3VDcW92UWxDaEJhNVM2dms5?= =?utf-8?B?NEhIV0h1cUtIZmNVZjZsdjZPQzR3dEltOVJZMTlBZ0NGTWN0Y3R4aUh0bHJD?= =?utf-8?B?ZTFGOVBKWUY1bzNLckV3L0NDWUs0bjZvNFhTL09rcGFBczg5cjhRaytWRThv?= =?utf-8?B?MjVDK1lERmFvVmpCMmc4SkJ2ekd3MThCa2FtbUNyaVhRTkIveWdXbEV3QVls?= =?utf-8?B?aEtKTW53QzBxQmcxQU5ERDc3MFp6dGorcVlsLzYyNlVEVEZYWHF1NTlSTVJa?= =?utf-8?B?Z1JuQ0RwSENTa0ZQZCsyUERvWjZrbzZFM1VyVlNkNXNQVG9sb2ptZGNHVE1W?= =?utf-8?B?VDd4dkJjeU5Jano1N25oczF5Ny82djNQMTcwVlBTQzBhNUJNWnUwVnhqT1FQ?= =?utf-8?B?ZzRWeG9OczRZUnF3eGJiT1NGd1VRVkNIcXgvb2NkUTRmSDlNaE5WY2tOTjMr?= =?utf-8?B?UUc2WUlqeUZTQW9QZXNNcWxoQitzWFVxUW8ybHIyUk1rMUxWVHFBZz09?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN9PR11MB5276.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7915fe28-29cf-4d68-4a20-08da33d46fc3 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 May 2022 05:01:12.3907 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ju834FY5TFeoD1D7N2LJzTRSiWNLmPQ85DNadJ8qBrelSnYKcz4A87Jo04dlnZKcIVEIuGQltqrgq7RQB0n24w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR11MB6034 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBGcm9tOiBCYW9sdSBMdSA8YmFvbHUubHVAbGludXguaW50ZWwuY29tPg0KPiBTZW50OiBUaHVy c2RheSwgTWF5IDEyLCAyMDIyIDExOjAzIEFNDQo+IA0KPiBPbiAyMDIyLzUvMTEgMjI6NTMsIEph c29uIEd1bnRob3JwZSB3cm90ZToNCj4gPj4+IEFsc28sIGdpdmVuIHRoZSBjdXJyZW50IGFycmFu Z2VtZW50IGl0IG1pZ2h0IG1ha2Ugc2Vuc2UgdG8gaGF2ZSBhDQo+ID4+PiBzdHJ1Y3QgaW9tbXVf ZG9tYWluX3N2YSBnaXZlbiB0aGF0IG5vIGRyaXZlciBpcyB3cmFwcGVyaW5nIHRoaXMgaW4NCj4g Pj4+IHNvbWV0aGluZyBlbHNlLg0KPiA+PiBGYWlyIGVub3VnaC4gSG93IGFib3V0IGJlbG93IHdy YXBwZXI/DQo+ID4+DQo+ID4+ICtzdHJ1Y3QgaW9tbXVfc3ZhX2RvbWFpbiB7DQo+ID4+ICsgICAg ICAgLyoNCj4gPj4gKyAgICAgICAgKiBDb21tb24gaW9tbXUgZG9tYWluIGhlYWRlciwqbXVzdCog IGJlIHB1dCBhdCB0aGUgdG9wDQo+ID4+ICsgICAgICAgICogb2YgdGhlIHN0cnVjdHVyZS4NCj4g Pj4gKyAgICAgICAgKi8NCj4gPj4gKyAgICAgICBzdHJ1Y3QgaW9tbXVfZG9tYWluIGRvbWFpbjsN Cj4gPj4gKyAgICAgICBzdHJ1Y3QgbW1fc3RydWN0ICptbTsNCj4gPj4gKyAgICAgICBzdHJ1Y3Qg aW9tbXVfc3ZhIGJvbmQ7DQo+ID4+ICt9DQo+ID4+DQo+ID4+IFRoZSByZWZjb3VudCBpcyB3cmFw cGVkIGluIGJvbmQuDQo+ID4gSSdtIHN0aWxsIG5vdCBzdXJlIHRoYXQgYm9uZCBpcyBuZWNlc3Nh cnkNCj4gDQo+ICJib25kIiBpcyB0aGUgc3ZhIGhhbmRsZSB0aGF0IHRoZSBkZXZpY2UgZHJpdmVy cyBnZXQgdGhyb3VnaCBjYWxsaW5nDQo+IGlvbW11X3N2YV9iaW5kKCkuDQo+IA0KDQonYm9uZCcg d2FzIHJlcXVpcmVkIGJlZm9yZSBiZWNhdXNlIHdlIGRpZG4ndCBoYXZlIGEgZG9tYWluIHRvIHdy YXANCnRoZSBwYWdlIHRhYmxlIGF0IHRoYXQgdGltZS4NCg0KTm93IHdlIGhhdmUgYSBkb21haW4g YW5kIGl0IGlzIDE6MSBhc3NvY2lhdGVkIHRvIGJvbmQuIFByb2JhYmx5DQptYWtlIHNlbnNlIG5v dyBieSBqdXN0IHJldHVybmluZyB0aGUgZG9tYWluIGFzIHRoZSBzdmEgaGFuZGxlDQppbnN0ZWFk Pw0K