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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 780D6C433EF for ; Tue, 19 Oct 2021 19:43:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 58E7F60F02 for ; Tue, 19 Oct 2021 19:43:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232347AbhJSTqE (ORCPT ); Tue, 19 Oct 2021 15:46:04 -0400 Received: from mga01.intel.com ([192.55.52.88]:27921 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230147AbhJSTqD (ORCPT ); Tue, 19 Oct 2021 15:46:03 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10142"; a="252092195" X-IronPort-AV: E=Sophos;i="5.87,164,1631602800"; d="scan'208";a="252092195" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Oct 2021 12:43:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,164,1631602800"; d="scan'208";a="494262511" Received: from orsmsx603.amr.corp.intel.com ([10.22.229.16]) by orsmga008.jf.intel.com with ESMTP; 19 Oct 2021 12:43:50 -0700 Received: from orsmsx606.amr.corp.intel.com (10.22.229.19) by ORSMSX603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.12; Tue, 19 Oct 2021 12:43:49 -0700 Received: from ORSEDG602.ED.cps.intel.com (10.7.248.7) by orsmsx606.amr.corp.intel.com (10.22.229.19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.12 via Frontend Transport; Tue, 19 Oct 2021 12:43:49 -0700 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (104.47.66.49) by edgegateway.intel.com (134.134.137.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2242.12; Tue, 19 Oct 2021 12:43:49 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=W/9Ud32iNMnsm7NJukq+aEBeNewvfpNe2BS7nQK87saYX5Jqf/9l2vLWfAiMQZnwpCVaMtud/hzeLqjgu1psd4wwKwZubYvcWk5O/asDrgv01McJ33LwZXGqw2ehf+xgRkuuEpKUReGUP7Hv3hWWguYc+12aZ/iyTV7sSfpdzWe1+hHcSouySD3lkdSfHLZAoRPWKimj9lNNnoMx0kjyPmu2jZUFVC9gXvzLkWtid4dc9/oorNxY9h/T4uUvFsu0zHe9DaN9AHDbq+uPir5UjIaI2XKcvHWTPnqyKKpzrwu8cUXxzsq89O22IP+pyXKgyhAeWXCo65T1+nrIzr8rZA== 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=sdyf1b2jNljHs2qP7f41kq4esPHRNqEq3YerTdBLKFE=; b=fFhPLOGKdCW5klfd4YjRl5Nh2V1f9NVcdPt2cwOmZndtZZGk+0ci0+vUWQhjMTUqmVBoFm9JaBo8LdjiDQ8UovhLuhoEExRWraIaU5MM5yjIaHTqQ/6wYOsMql4jAp78ZC+STInRz4rodVfCNQ8QhUHoFR0wvsXehTurq6PMy835BZqeB90ekdAg7+KVL4mmH658OIsC2lzGOFyGxPypdYQAWx3AHI0wl5TOCHaWk7VtSeYyOY8GPMhDV0hOVmm+zu9Yoj1/cJQ73IaSvkdegFsGc3Pl/HaOEtV+7uwu7c3C3z/+KkZkhy11KIqUi5Lhi1zeVlBtScpAOKwYOWg5ag== 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 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel.onmicrosoft.com; s=selector2-intel-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sdyf1b2jNljHs2qP7f41kq4esPHRNqEq3YerTdBLKFE=; b=JPolmi+J10asto6Arzf3TKLL0cghRc0qop9ccknJlVrs6Sjv+mZjHzP1d1WoL1gCP4x00MS81+J5bTHJCVYgrrBQF+EC5HrmhVqJoQ6Qt0iGYvCvEBNBZ6yCKiM+z2lfsQUFppLkMNVkKN/jWVA7U1f+uHN7HEq7wNNDMPNNQ+c= Received: from PH0PR11MB4855.namprd11.prod.outlook.com (2603:10b6:510:41::12) by PH0PR11MB4981.namprd11.prod.outlook.com (2603:10b6:510:39::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4608.17; Tue, 19 Oct 2021 19:43:49 +0000 Received: from PH0PR11MB4855.namprd11.prod.outlook.com ([fe80::11ef:b2be:5019:6749]) by PH0PR11MB4855.namprd11.prod.outlook.com ([fe80::11ef:b2be:5019:6749%5]) with mapi id 15.20.4608.018; Tue, 19 Oct 2021 19:43:49 +0000 From: "Bae, Chang Seok" To: Thomas Gleixner CC: LKML , "x86@kernel.org" , "Liu, Jing2" , Paolo Bonzini , Dave Hansen , Arjan van de Ven , "kvm@vger.kernel.org" , "Nakajima, Jun" , Sean Christopherson Subject: Re: [patch 0/4] x86/fpu/kvm: Sanitize the FPU guest/user handling Thread-Topic: [patch 0/4] x86/fpu/kvm: Sanitize the FPU guest/user handling Thread-Index: AQHXw3jlbzl39rZWD0qAbnrCbyF6yKvavFAA Date: Tue, 19 Oct 2021 19:43:49 +0000 Message-ID: <841ACA86-CE97-4707-BF6E-AC932F1E056D@intel.com> References: <20211017151447.829495362@linutronix.de> In-Reply-To: <20211017151447.829495362@linutronix.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3608.120.23.2.7) authentication-results: linutronix.de; dkim=none (message not signed) header.d=none;linutronix.de; dmarc=none action=none header.from=intel.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: b7f09dd7-7adb-4b6d-0275-08d99338c594 x-ms-traffictypediagnostic: PH0PR11MB4981: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6108; 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:PH0PR11MB4855.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(366004)(508600001)(8676002)(38100700002)(2906002)(4326008)(66946007)(66446008)(66556008)(33656002)(6512007)(38070700005)(6506007)(122000001)(64756008)(66476007)(8936002)(76116006)(5660300002)(186003)(316002)(6486002)(26005)(53546011)(86362001)(82960400001)(6916009)(36756003)(71200400001)(2616005)(4744005)(54906003)(45980500001);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?n7RXI8fDH41VmYLpxbAnRaMNffEDG6i47D6m5V0puVLt/b5xknyE9+Tr7PdN?= =?us-ascii?Q?TFX5Am68F+wpu472VXGu2SQ6fliHZTy91i6vqbSITO64l/+Bnqluq/5FH2N0?= =?us-ascii?Q?+gt3icuX1T3qt2kMtVFyZG7kvAI0LZCdkEarcpx7fWhHF0Sz+o0njACuGbsQ?= =?us-ascii?Q?JCRVoWD3Kme3MVhRf136i6lr9K0GNdTrPyarp9uiSZYqTfyYonFOP8ru0rn/?= =?us-ascii?Q?PSzUQijR6ryS8k/RwWHyh8RjloD3bFm6EQfOEc5r9m5FnxoQQ0QUddB18fLJ?= =?us-ascii?Q?AECTzNvNiNlK5zuD9twdyV7wm3Dk+cqK9erPmrRSAoWs80xl0b9uL7CWWWl2?= =?us-ascii?Q?6CNQaHzij21kKNhbZTaR1PtMJEckoyt6rKe7AX1cvxy0AVSmxPZNSKftT+eL?= =?us-ascii?Q?PfnZq/85r042bHLNvRWmWaqjUoR2VXD7Q+GIC7+0ro/BSs72ifFvAmYHHirP?= =?us-ascii?Q?S7bKhAHkeNAuQqb7b27MFih+raEPNlQ4HYa7e6bePRkvn/pl5Df2T0Z/sqi3?= =?us-ascii?Q?MiJirokSpT66VlIAXj3RI96uMJwS3muvVBRV7nygTwCxj9c4uBYx+GqiKQ8O?= =?us-ascii?Q?TLtxjMiCnNqi4ItGl2klVpGEJVqi/n0PJxiDK/wDsCl8EqSGUbnGMNyIOxzT?= =?us-ascii?Q?6jCGLnN0ayJp0d8GHHQdTsyUE2JMf0x63YoyMqKCD/zVZypsde/2Cbc5aTu0?= =?us-ascii?Q?d3qWpgA9kk7F2oAlwZSQyqg8UgMzt3g9L1pHqp37fy2yd9gHlfTxUIfR9Y+O?= =?us-ascii?Q?fl/nPRsXP3BFkxvp5e9xSFn/0Q8ytBGK71E9LZY5BHGKzAFTNA51zq04kb4i?= =?us-ascii?Q?2/p0KCD5odHyqs3EJSMabShxPl2v/4EO7PPvIP0eil7jc5rTcts0IGgF85/g?= =?us-ascii?Q?ac379UxleTWcBuj00F4/K4kRUnt/bH1NH7mx59d1XSqkwOlUiXzMQ+1j1lxE?= =?us-ascii?Q?/avFjumHw2xrz6XDxcfcEPXZSrx9GCm6f9dDxD7ybPagNq/2R/29lDO71eIA?= =?us-ascii?Q?HyFUlKVS4HnB94Y/bf/RGc03w3g6v2adoYRRNPG5LQpOlxVf+xN3aCw/fHHa?= =?us-ascii?Q?utv9SudGMy4ZlFYUPEazzlxZrI3j84ycciOgZ0DJasS9k+BOW3U+koNLaUka?= =?us-ascii?Q?1n3SDo1iDKSEiWcrKZIKHLSiRqv3eUWNbdX1K1cvDuYu7XTCfG+dFNX8/7u+?= =?us-ascii?Q?jUPYLPO73957HUDbTnQc7Bda9TzeD3LUL1xO4FgOd3i3QBIET8T0yhEouDNe?= =?us-ascii?Q?1MEE5BMdVNxG1yH9NtjLBUjZzxcv2veDFE2TvGa9j2faDPdngIUOsjIXBJek?= =?us-ascii?Q?Sus1fAmCvNSzANbU/WdrHAyb?= Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR11MB4855.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: b7f09dd7-7adb-4b6d-0275-08d99338c594 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Oct 2021 19:43:49.1231 (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: xEk3UVeMtxyeuxYH0yhdzyyXloOZGQtjnW7pj8mpMOQEshg2FtUtxzmC1HE6pnRIUUpkwVu2An4RStKr+x1mBPJ81b43tkszQ6pWBsTtAkk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR11MB4981 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Oct 17, 2021, at 10:03, Thomas Gleixner wrote: >=20 > The latter builds, boots and runs KVM guests, but that reallocation > functionality is obviously completely untested.=20 Compiled and booted on bare-metal and KVM (guest with the same kernel). No dmesg regression. No selftest regression. Tested-by Chang S. Bae Thanks, Chang