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 548EEC48BC3 for ; Tue, 20 Feb 2024 14:10:07 +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=keibS4E9uNN6w/y5DBl/TViDT3W2HJgX4uuQtMzZtJ0=; b=wW9tFBY4KJs4Of TnGbGmLbDctFXiwvcsGSBZ7qdH8/9BYA+YR32kV/+Rudg8UDOJlesouapUdkjjwfk+rV3H+qvwStA gEtWJ4ndXHvvEGsQQvSphydLz+UBqwtFFG4LdIheLn7LAKi5e6d5/luLZbNwUyQZg9qYj24FCYa5p ye9BwExJMUl8kH3LAcULRz47bXX3HZnORozQ9EEM6jufg1HDZtjLBLwYE514E+ZNYcG5kvMO6GQCC GTeH+07zp5O+9mbUukRebtzd6ZJp5gUTQz1vyn8lxBD6gk6yjY3CxoiXAV0Rx1FTGB7vNCQTMi8eu em1ch3gG76YYwCs4HzDg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rcQog-0000000F2ww-28gG; Tue, 20 Feb 2024 14:09:50 +0000 Received: from mail-mw2nam04on20601.outbound.protection.outlook.com ([2a01:111:f403:240a::601] helo=NAM04-MW2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rcQoe-0000000F2wE-2UdR for linux-arm-kernel@lists.infradead.org; Tue, 20 Feb 2024 14:09:49 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=EHj9GZdKEobq5hjUA1jVqHqhmkvFpbw3eKgjMEF+ZJJTb0EVFpWpgdcUtRfM9upvzR3irnsMqUV1cAl8NJsGfgGEklV8FIowdLLJ61jHEY/VMv0/nk+Fyin6abuHywf0ugaNJv1p7X9O/GYInCapylzSdp5DzayYkO/d6zKOKkKNRaVZzeyuh+iq7by4b23TtuulM7Ymr8Kb7FmaRvljB1ZpYIa+uvKpqaJA7xTZLWzmtTVI4vPISloNUmjxz8pMm/qXtTyCbzMJslTtHU5EYo2TrhPTJ+l0nmIJaGopWdlZGbgXY8NkQ7DJl00/TIYKTD5mLJe6SMxfX77Qdta8Dw== 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=7lTD/FIgSu5lPHR3WkxkM6UuMFx8uKoVAyraO4tY844=; b=BDtOBtbXJZ1n9HDJTbLRqLL3VXDONky/rFLwWn7Tf+wPbDWvqJ4Ki4A1jZSTclk3kgZfZMXTpUW8T/9t63lGW0SieCqRcFU0mUklyzbYsKfrF6G6wfm6fHwuel4MFydBNbJf5Hfoi2XJ7eqyJFRMBBJw7NtvKKnvNeRn/k4qHfaY/Sg7nSd9iSuHmZmm8pSf5l43mclXslAequISABmjybkgoVALysTEhu5mng1WV9KQMD3g75RPB+L5tjU252WwEI5Fl2h+QmdSoqOHTE+vYLxELeUdYPhH4R50hzoV3hMzG5Z+np5ffkvDPLRfDqrHgXU7f4AxvIA9UVquQ2Ws9g== 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=7lTD/FIgSu5lPHR3WkxkM6UuMFx8uKoVAyraO4tY844=; b=uHHCFA8/xxuatEq5X/jokhKw8rZFjbVsWiEfRKbzage5HMD/TN4rZpWBm99qlVefR3YkGRDs767WTjD8pgW415QFJcZ916sN3eE0BlmgU3HDlkOEnkNDE21hfU9YQHIpsZRlCRxSdyZQWcCFsdGAJiaZBOn0wjoOVs3XCPllFuZv4urLU0jU9sqZ+wTERJZxa/iOuuB5If1yIi31C+LqaGjA1295vSW6miY8RHC6xZq6RidProyb1GGB8Gkk8YbHodPSr7ic1/BoT/jLGTnkZ+4lLwWL44qePLrbWgIDr0D3Uj9d0ZuuRxhEUbbbaqhXYiMb8MfCM8D4RzYOefFcHw== 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 PH7PR12MB5618.namprd12.prod.outlook.com (2603:10b6:510:134::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7316.19; Tue, 20 Feb 2024 14:09:40 +0000 Received: from LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::96dd:1160:6472:9873]) by LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::96dd:1160:6472:9873%6]) with mapi id 15.20.7316.018; Tue, 20 Feb 2024 14:09:40 +0000 Date: Tue, 20 Feb 2024 10:09:39 -0400 From: Jason Gunthorpe To: Daniel Mentz Cc: iommu@lists.linux.dev, Joerg Roedel , linux-arm-kernel@lists.infradead.org, Robin Murphy , Will Deacon , Eric Auger , Jean-Philippe Brucker , Moritz Fischer , Michael Shavit , Nicolin Chen , patches@lists.linux.dev, Shameerali Kolothum Thodi Subject: Re: [PATCH v4 20/27] iommu: Add ops->domain_alloc_sva() Message-ID: <20240220140939.GN13330@nvidia.com> References: <0-v4-e7091cdd9e8d+43b1-smmuv3_newapi_p2_jgg@nvidia.com> <20-v4-e7091cdd9e8d+43b1-smmuv3_newapi_p2_jgg@nvidia.com> Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: BL1PR13CA0204.namprd13.prod.outlook.com (2603:10b6:208:2be::29) To LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV2PR12MB5869:EE_|PH7PR12MB5618:EE_ X-MS-Office365-Filtering-Correlation-Id: ebb2388e-88e8-44b4-0a49-08dc321d9480 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:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?TXpGM2pTMkdDTm1RRGZVYTZrWitDbHVwTmdKQWlvUERrK3B4bmhJUnF5N0I5?= =?utf-8?B?L2hvT3I0cU40RWh3c041WjNTVzUyWG4xd1A2SHF1TWNZcWJoQUdTdnhUdkEr?= =?utf-8?B?MU16NDBtSXFieWRhdVZXaXZrNVRKRG9FemFHQ2IzcWltQzdSS1hWNW1rdlg4?= =?utf-8?B?cnR4ZkxKdDlZeXRaTjB5OWw4UjZlSzMyd2FpeEdxeHpJUW8yQStTSG9XQmxi?= =?utf-8?B?d2NiWTc0OFMwTUhqYnF2ZjdKUkRQNnFKZ1JwVnhMMEFPNW9KMGpJU05kaHor?= =?utf-8?B?TXBudDBON2VoV1JBdDQzMTB1UysyeFppQXNWRlUyVVlaNXRyUXR6K2lHeEFS?= =?utf-8?B?UDlHUUN2RjIxdFl2NzRnOWNKRm8yUVArSVAzK3d1QmlvTng2VGw0WDB0cGtu?= =?utf-8?B?Q2FQQVcrOGs1ZUVLcldNTDJpdTE1Wnl1cTZ2MGJlTllBVlRSMmVMOXFlYWpa?= =?utf-8?B?dmVuTVpPN2VXRm8vSnRKUUMwVGtuNnd2U3IzallqaXVUbElOajF6YlFpNkFZ?= =?utf-8?B?YlNyWW1wSjN1Vlljc1NkNWRFVFVqcklOY2hxTVZLYWF5MWdjajREczFkV1kv?= =?utf-8?B?YzdUMkdqY0IxWU1jeDdmREFrN2xjSnJNT0x1RTYzU1pkNXdVRGtZQ1RFblVn?= =?utf-8?B?R0NTeUVXN0Z0YlNrL0Vsb051ckpxWmNVZ3kzQ1J4VHMxU3ZTbHp5ZzVuaGpB?= =?utf-8?B?bSt4RnNJRytPOWJqQVhYTkIvTTRZZ2NYWUhmeHFsZEp3cE9Ta2llb1FZQlRV?= =?utf-8?B?UlR2LzdVMVh3TEplN3hGSVJQcm4yV2VacmVhV2czZkhMNHpmN3NCcXdta2pT?= =?utf-8?B?QWdDY2ZIcFBmZEtSVmlBc1MyV0hLZno0QWVhQ0hhNlFQRHhwd0RtUGRKMzJp?= =?utf-8?B?bkMzQmhqakJCaXk1Yy9GRXNsQzVhSjJKN1NkM2c5NFVQd0FlY3FlMlhuWHNl?= =?utf-8?B?TTRJVGk0TzBDR3F1TVFjSkE2bkcvNE1sdkdtL1RDU05qcGNQSUFwK1ZLanhV?= =?utf-8?B?SFBqZG81V1hGY2lValNqZXIwV3Vsb0ZuMzN4ZzJ1VVNNRmVQOHJwWG9SU0hu?= =?utf-8?B?V3RwK1BtcEllQVhPbXZHSVVzL2thcDFDVXZaSnFqaW1kTkZLSWdJeSs2YzNQ?= =?utf-8?B?WUVZYmVaZm5ISnFNOUpDQUFpS1R2NjBBVE9JSmRnTkQ2NmhpL3A4cjUzc3Zl?= =?utf-8?B?amhQZGZpWVJZMTJGQmoxdEdXcXc3ZFkrN2lxTklpRThQeTlESHBPendtdmZz?= =?utf-8?B?TXFpWHpOOXVqaVhMZFVMbFdSM3MyeDVGZGlZRzBoSEVEdHNyZFQ3SGdvZGJL?= =?utf-8?B?ZlR2NWZQNXNldmt6M3J6aEhUK1JUWkN6ZUtVQlAvRllGNE9tUzRsVmhOazhU?= =?utf-8?B?T2RpZHBKbnRab2w5ZElwZmlKem12aCtTRWlueWhERzBaUnN6MzFGemFpZkNx?= =?utf-8?B?VWNNaXRldWpjYWRjcEI3OXc3bTljRU9peXkzYTUyUlV0NWlmTGZCWWh1c1dw?= =?utf-8?B?NEVjZ1AxN1FTaWVBN3dwTFdQOTVRL0F6ODdURnFSNFZ2NVVqbkUxKzVVc0JB?= =?utf-8?B?Qy9aczk0cm5vQ0FUYlNjOTlUOVJ4Q0Fma21RNWJXRVIweFlGSzJ2T0dDVmtN?= =?utf-8?B?RUw3bDVULzN2RzJlZHVDaEcrMWc5cmYxYTJGQ1Nxam8yNW1kNndYeUdTSkhZ?= =?utf-8?B?RWcyZTFDM2VWSThMYzNLdWRZdStlZHl2YnlmWHdyTExjRE1uWWFPZmtlZHc4?= =?utf-8?B?eUFUazVleGZRUVhvaTZGdHJiQ3pnNW1uM0xEMnpzUUExS1VlOXptY2k3ejI0?= =?utf-8?B?eVB0Tzl4TFNmWFZlay9sZlpIZWRjZXY1RmZlMWZNV0JJTFIveklKTGJTTnRL?= =?utf-8?B?V1dGSEhUbnZwSy9GT05ISFJ0V1dMY2JKR0x1Y0RuV25RUGxCdndFd05HVk1o?= =?utf-8?B?TG03em16S3BzUkdMRytMeC9Wdk1RVUNFbFh3MFM1Vit5L3Q3TlQ4bjlYemcz?= =?utf-8?B?VHF2TFNQNXN6YlJGT2owZElBZjgwSnpHeEFvWFRNbDQrYzFhLzFLVFp5QWVs?= =?utf-8?B?SmtkSkJWRUxNV3hIWWRKcVNucWxBQmo4cGRhMmF0WEtaZFZqK2hUc3BxeExT?= =?utf-8?Q?YZD7pXq5H31qYj6jIpn4XTmmz?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: ebb2388e-88e8-44b4-0a49-08dc321d9480 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Feb 2024 14:09:40.8142 (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: bYB/UsMamWoxxBOoFLVNaJlhfbHaY6eMsN1ZOAxykLM7aKdg2yYy5vZykxv7LwGh X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB5618 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240220_060948_655700_59CDFB1E X-CRM114-Status: GOOD ( 11.77 ) 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 T24gTW9uLCBGZWIgMTksIDIwMjQgYXQgMDI6NDc6MzFQTSAtMDgwMCwgRGFuaWVsIE1lbnR6IHdy b3RlOgo+IE9uIEZyaSwgSmFuIDI2LCAyMDI0IGF0IDEwOjE14oCvQU0gSmFzb24gR3VudGhvcnBl IDxqZ2dAbnZpZGlhLmNvbT4gd3JvdGU6Cj4gPiAtLS0gYS9kcml2ZXJzL2lvbW11L2FybS9hcm0t c21tdS12My9hcm0tc21tdS12My1zdmEuYwo+ID4gKysrIGIvZHJpdmVycy9pb21tdS9hcm0vYXJt LXNtbXUtdjMvYXJtLXNtbXUtdjMtc3ZhLmMKPiA+IEBAIC02NTQsNyArNjU0LDcgQEAgc3RhdGlj IGludCBhcm1fc21tdV9zdmFfc2V0X2Rldl9wYXNpZChzdHJ1Y3QgaW9tbXVfZG9tYWluICpkb21h aW4sCj4gPgo+ID4gIHN0YXRpYyB2b2lkIGFybV9zbW11X3N2YV9kb21haW5fZnJlZShzdHJ1Y3Qg aW9tbXVfZG9tYWluICpkb21haW4pCj4gPiAgewo+ID4gLSAgICAgICBrZnJlZShkb21haW4pOwo+ ID4gKyAgICAgICBrZnJlZSh0b19zbW11X2RvbWFpbihkb21haW4pKTsKPiA+ICB9Cj4gCj4gSSdt IHdvbmRlcmluZyBpZiB0aGlzIHBhcnRpY3VsYXIgY2hhbmdlIGJlbG9uZ3MgaW50byB0aGUgb3Ro ZXIgY2hhbmdlCj4gd2l0aCB0aXRsZSAiaW9tbXUvYXJtLXNtbXUtdjM6IE1ha2UgU1ZBIGFsbG9j YXRlIGEgbm9ybWFsCj4gYXJtX3NtbXVfZG9tYWluIgoKWWVzLCB5b3UgYXJlIHJpZ2h0LiBJIHRo aW5rIGl0IGlzIGEgcmViYXNpbmcgZXJyb3IuLgoKVGhhbmtzLApKYXNvbgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWls aW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=