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 E7A95C6379F for ; Wed, 8 Feb 2023 00:18:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229695AbjBHASp (ORCPT ); Tue, 7 Feb 2023 19:18:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229460AbjBHASo (ORCPT ); Tue, 7 Feb 2023 19:18:44 -0500 Received: from DM5PR00CU002-vft-obe.outbound.protection.outlook.com (mail-centralusazon11021018.outbound.protection.outlook.com [52.101.62.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0BD9358E; Tue, 7 Feb 2023 16:18:41 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=LMBt9bwEE9E1iXjP7wdx8FJjnTUrrHHqt0ms4yruFUh2aevBbOQEytnBqu536uJD6lEK8oIyJvq3bRicYsdUeF2fGAyX2i5Gb/7p8ErFKsRU9DcVwxxY1XI73CAGv2QPzWpD7H6nGML6ERq+9RZc3kohoZRfwnqOApXLPIF/IBkcfDfAqR19VRfREOaNM+O3LxZgv6Ja88NLsufubw4Cf/x8Fu19qX6PAb0zTmkRY4BxvMVbHsmcj2D9gsE7Ge/vebk18HjL9QZEtOn3RPB3NnJ5SwOdStviwNBe3aeRTP4R1JZiY19esnjs0+VZDiKHnVSopHvIhzsBBktD8NnGdw== 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=eXBN8ASEISYh6GP+LBgcDCzTQMazZYhCLhNR+pKRTXo=; b=Jq2KKQhy82tZF6XagWWP4GIK32Z9hOOrzWrgyKKkB2r9PRkyuTpzLk1A0MsB2xSDQn+eq1nirTEAvUYNR8F2DABtYdLrjBwis39NnMFuV2c0TvZRtnig6fOws5skNeoonElWwseSNkTLrgCcOt+egnZbGR33Uc0sZFaEmgg1GNl0CetJ1LnXkXyFA9LPL0dXL620fKgokQYQGPP2KS36tq0RQK4eBj63PayVPZ82nJ0UMuSgPiURH2UKJQIqZFdDLO5ummNPphRFslUN8TcxRaQ8W0K193ae1czGPx0UY/3sHtpmo+/7B3wniOPbazVuqL1YIq83WC4Oo2NTf7FrZw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=microsoft.com; dmarc=pass action=none header.from=microsoft.com; dkim=pass header.d=microsoft.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=eXBN8ASEISYh6GP+LBgcDCzTQMazZYhCLhNR+pKRTXo=; b=NpcAwOFcLg98Oab6A/Zjfc84I50APxCCczaGC6HkI8PGGSNIegHqMM1nAuj7NVbcSVGicWJH0HAqLCh5UY13lmKLdyy/8sKsCCuz8rq0KG2m0MviIWDXYKFl0d3kWndkW+2iUlunAVpKNJtzKeRAA6pMpnn1zIXV6gQqaYDggfI= Received: from BYAPR21MB1688.namprd21.prod.outlook.com (2603:10b6:a02:bf::26) by MW4PR21MB1953.namprd21.prod.outlook.com (2603:10b6:303:74::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6111.2; Wed, 8 Feb 2023 00:18:39 +0000 Received: from BYAPR21MB1688.namprd21.prod.outlook.com ([fe80::55a1:c339:a0fb:6bbf]) by BYAPR21MB1688.namprd21.prod.outlook.com ([fe80::55a1:c339:a0fb:6bbf%8]) with mapi id 15.20.6111.002; Wed, 8 Feb 2023 00:18:38 +0000 From: "Michael Kelley (LINUX)" To: Borislav Petkov , "dave.hansen@linux.intel.com" CC: "hpa@zytor.com" , KY Srinivasan , Haiyang Zhang , "wei.liu@kernel.org" , Dexuan Cui , "luto@kernel.org" , "peterz@infradead.org" , "davem@davemloft.net" , "edumazet@google.com" , "kuba@kernel.org" , "pabeni@redhat.com" , "lpieralisi@kernel.org" , "robh@kernel.org" , "kw@linux.com" , "bhelgaas@google.com" , "arnd@arndb.de" , "hch@lst.de" , "m.szyprowski@samsung.com" , "robin.murphy@arm.com" , "thomas.lendacky@amd.com" , "brijesh.singh@amd.com" , "tglx@linutronix.de" , "mingo@redhat.com" , Tianyu Lan , "kirill.shutemov@linux.intel.com" , "sathyanarayanan.kuppuswamy@linux.intel.com" , "ak@linux.intel.com" , "isaku.yamahata@intel.com" , "dan.j.williams@intel.com" , "jane.chu@oracle.com" , "seanjc@google.com" , "tony.luck@intel.com" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "linux-hyperv@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-pci@vger.kernel.org" , "linux-arch@vger.kernel.org" , "iommu@lists.linux.dev" Subject: RE: [PATCH v5 06/14] x86/ioremap: Support hypervisor specified range to map as encrypted Thread-Topic: [PATCH v5 06/14] x86/ioremap: Support hypervisor specified range to map as encrypted Thread-Index: AQHZJs7d1RPl+inmE0Kn2DbFJZ3EJa6nyiwAgAAUafCAB237AIAL8mwQgAhWY4CAAGgMUIAACvuAgAACa5CAAAOQgIAAR90Q Date: Wed, 8 Feb 2023 00:18:38 +0000 Message-ID: References: <1673559753-94403-1-git-send-email-mikelley@microsoft.com> <1673559753-94403-7-git-send-email-mikelley@microsoft.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=e5f30e3d-b8a5-417e-9cb3-596cc8393e4c;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ContentBits=0;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=true;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Method=Standard;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=Internal;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2023-02-08T00:11:45Z;MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=microsoft.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: BYAPR21MB1688:EE_|MW4PR21MB1953:EE_ x-ms-office365-filtering-correlation-id: 814985bd-845b-4b3e-d040-08db096a06d8 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:BYAPR21MB1688.namprd21.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(4636009)(346002)(396003)(376002)(136003)(366004)(39860400002)(451199018)(33656002)(86362001)(38070700005)(82960400001)(82950400001)(38100700002)(122000001)(316002)(66476007)(5660300002)(8936002)(41300700001)(8676002)(52536014)(7416002)(4326008)(110136005)(54906003)(66556008)(66446008)(64756008)(76116006)(66946007)(7406005)(55016003)(2906002)(8990500004)(966005)(478600001)(10290500003)(83380400001)(7696005)(9686003)(186003)(26005)(6506007)(71200400001);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?Rn2YmIS0NYndmEV0BIq0F7HECJxi9bFGPEsZcUYgvM6muZii9ciya5XR4LJa?= =?us-ascii?Q?XF/mIHq6wl+XiRf9AP7uFxkjTeHuY4XfYyrHyLX14M3olqS+BJANU7EBbiK1?= =?us-ascii?Q?bW5vn9pG3+kuUIYEd++WhLwFdxkNy9YQT87JbE5CJYngzPjl97uIv6NVsAmc?= =?us-ascii?Q?DeIRtvLmaznYipUWup1/mA94SKF5NuhFMnV8tQqTO00UGXhX0rTjQwlcpxPB?= =?us-ascii?Q?rcdcEb1E7fdrDQQKYfxDDYkmYqH8qQcCI6E7MFMA8AZ0/amzYqSBNNwuyPLV?= =?us-ascii?Q?m0UfcnJNXTkRgIa8U3AQQuPou2RAuBSXRSUmk3YpZmRZ2ssp9ZDuV/RdeZ6z?= =?us-ascii?Q?uu1VMOUbe/h/7OhgjRNf7jAgEF32KY9YH+H5Pn9iY7EyDqymH9oBSWxwyk/b?= =?us-ascii?Q?Z1mv5CmJZtZ++OFArvgoN5tUL6uApyR1qbgdinidp0iWJd8WMY8/LIsVi9Cm?= =?us-ascii?Q?KuVc9T73fUmnZzuegCXh2QWVOhUVkTU9G+8a2POOG2DuB0vTTsA2HOMWpdrz?= =?us-ascii?Q?KV6I+UP/HZGHO+g7sJ8ycWahyjkOZzY9kd6tf4DLQ8f3O8rXRTl1oRJgNYDC?= =?us-ascii?Q?tKQWTc/MuNdrQVqyKROIOX+DCSSLS7UAC+IpS89o8ghb4vFyGESXR2EV90Kd?= =?us-ascii?Q?smccOcM19Mjh3cnl7BWl6lDbRcl22YoCqWbk6RW4ABTwU2UPr9rxuN9gi7rJ?= =?us-ascii?Q?5HFFLgmfhKZ075yr+EEcdneONzVbSLwTye0gidxitH09zBlaIhmlkf68HIsg?= =?us-ascii?Q?TJm6B0k+VU5AKJyMwU0xo3j++Z6fhJmF7qaA8vFZWl1Z8yiVCpm2EUF5O6qv?= =?us-ascii?Q?DeOG96eO9I8KT0BTPeoEGjal5l1mXh6++SSR2/J8P+fewxmMIEzkDO1RJOp7?= =?us-ascii?Q?3llycuBpZNJdb3LngG+foOBjcI0nElB4TQeDVsdi1WY5xlMH8oWG0qYkq3Y6?= =?us-ascii?Q?rwWdE/mJVh3tClgNlrUx90OAQdfdhDz0NB5eo27iWL/cGaqeDeGBHCIBiSOG?= =?us-ascii?Q?b5guV4hxPNGsC/qjMJ3fJyH9irC6yxyQVy4ChNv/FO7Rfq9L/QNmIcWlFKzO?= =?us-ascii?Q?1Z2Qc+SYnQwIEm+LccP9tVWgl4BHLnw2oSDl3biBk95IHpIGZ3wY6xmtt8gX?= =?us-ascii?Q?eAkPFLyEA+ugkH+tAMUSVCgM7tD4fn1MUujPfIad/roOr2PLRX8iRxfLcDDD?= =?us-ascii?Q?3cfGZcw5FjexqGMUd7bMEQ/YBcfVYMTSMfPh2V3zZtfdw12n6EXmJZrftFAT?= =?us-ascii?Q?iWjypBRVnixcvhcxYwuEb5Phj+OntDI0SRWPTQl0cUAsw5qkM889qHAqZoSA?= =?us-ascii?Q?Zqib653mvMdqyALzwAlPN8BHsjDEqUoMgCGZhblhB7VNq1ao7n6h9RU4Ew1F?= =?us-ascii?Q?EX6Rlt97L9hyqataNwuIMR3mZnrBDf1moX5myWJpxEeVE32II0EEcWIdwzce?= =?us-ascii?Q?hI8j4Rt8uAZNrsZaujEo9XKtlkYEe43fsM309iDzTy3tbE05aXTR7/Ap4NYB?= =?us-ascii?Q?suMyWES8xqo4AlHgNojLMqAdQtr6oK55WncOoPdLPzWeD0aqSD9cALopbNSo?= =?us-ascii?Q?HjPbSO0WuAVB6pNBEoXgbfw/dTfb5ofIPeEzm5wI1XQB1REPBAdX7iN3VIoM?= =?us-ascii?Q?kA=3D=3D?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR21MB1688.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 814985bd-845b-4b3e-d040-08db096a06d8 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Feb 2023 00:18:38.8956 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: dXtrUYOzaM8vdt6Dgs7V7DCYqr6mZXTGZafrxadeIKsw0b5LJYjadk8HEh8JkezQtjul2SeOdF/EHPxhTmU9bpRq4gn8zRqdiIByXrX009s= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR21MB1953 Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org From: Borislav Petkov Sent: Tuesday, February 7, 2023 11:55 = AM >=20 > On Tue, Feb 07, 2023 at 07:48:06PM +0000, Michael Kelley (LINUX) wrote: > > From: Borislav Petkov Sent: Tuesday, February 7, 2023 11= :33 AM > > > > > > On Tue, Feb 07, 2023 at 07:01:25PM +0000, Michael Kelley (LINUX) wrot= e: > > > > Unless there are objections, I'll go with CC_ATTR_PARAVISOR_DEVICES= , > > > > > > What does "DEVICES" mean in this context? > > > > > > You need to think about !virt people too who are already confused by = the > > > word "paravisor". :-) > > > > > > > Maybe I misunderstood your previous comment about "Either 1". We can > > avoid "PARAVISOR" entirely by going with two attributes: >=20 > No, I'm fine with CC_ATTR_PARAVISOR. Why would you have to have > CC_ATTR_PARAVISOR_DEVICES? I.e., the string "_DEVICES" appended after > "PARAVISOR". Isn't CC_ATTR_PARAVISOR enough? >=20 Dave -- In v2 of this patch series, you had concerns about CC_ATTR_PARAVISOR being = too generic. [1] After some back-and-forth discussion in this thread, Boris i= s back to preferring it. Can you live with CC_ATTR_PARAVISOR? Just trying to reach consensus ...=20 Michael [1] https://lore.kernel.org/linux-hyperv/Y258BO8ohVtVZvSH@liuwe-devbox-de= bian-v2/T/#m593853d8094453ad3f1a5552dad995ccc6c019b2