From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753169AbeCMXLz (ORCPT ); Tue, 13 Mar 2018 19:11:55 -0400 Received: from mail-bl2nam02on0138.outbound.protection.outlook.com ([104.47.38.138]:59211 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752729AbeCMXLx (ORCPT ); Tue, 13 Mar 2018 19:11:53 -0400 From: "Michael Kelley (EOSG)" To: Vitaly Kuznetsov , "kvm@vger.kernel.org" CC: "x86@kernel.org" , Paolo Bonzini , =?utf-8?B?UmFkaW0gS3LEjW3DocWZ?= , KY Srinivasan , Haiyang Zhang , Stephen Hemminger , Mohammed Gamal , Cathy Avery , Bandan Das , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v3 6/7] x86/hyper-v: detect nested features Thread-Topic: [PATCH v3 6/7] x86/hyper-v: detect nested features Thread-Index: AQHTt69bBaxZp2jU00uv7BdlTxurS6PO0c0w Date: Tue, 13 Mar 2018 23:11:50 +0000 Message-ID: References: <20180309140249.2840-1-vkuznets@redhat.com> <20180309140249.2840-7-vkuznets@redhat.com> In-Reply-To: <20180309140249.2840-7-vkuznets@redhat.com> 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_Enabled=True; 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authentication-results: spf=none (sender IP is ) smtp.mailfrom=Michael.H.Kelley@microsoft.com; x-microsoft-antispam-message-info: qw359hhaTiRE10+81QCrw8PR4PBats3oAjQF+5mJW0eXM5Pf5CT927a5E9pDiycHxypD8ScxI6hQKqwOxwX5GbsmBmYGsoWMMB6/4eGYErwPgl9GruC9A4USVwiyOxWP+JnmzuLN8CaXZQuJX9GkKZsfnCdCKfsLI7+JB8Hdz/bp5jiChgrVpD7mNbxVXZZbfYlJ6ODp3MFsdEeFFg03XsOSuppO+6MBz5YNJYhOEgsVBcKuXpTWXCw4Az9rjMJBm055PKe7Pm2jXuaoWrKOSm4+2bcbH37WKvvxoo0G5Gq/SE6mgjLPcreDjaUtPINuoB482U5m+v4AY5dLn7tGcg== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: fa89dd4f-3b8d-4075-453a-08d58937cd92 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Mar 2018 23:11:50.6484 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1062 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id w2DNBxRc005890 > -----Original Message----- > From: Vitaly Kuznetsov > Sent: Friday, March 9, 2018 6:03 AM > To: kvm@vger.kernel.org > Cc: x86@kernel.org; Paolo Bonzini ; Radim Krčmář > ; KY Srinivasan ; Haiyang Zhang > ; Stephen Hemminger ; Michael > Kelley (EOSG) ; Mohammed Gamal > ; Cathy Avery ; Bandan Das ; > linux-kernel@vger.kernel.org > Subject: [PATCH v3 6/7] x86/hyper-v: detect nested features > > TLFS 5.0 says: "Support for an enlightened VMCS interface is reported with > CPUID leaf 0x40000004. If an enlightened VMCS interface is supported, > additional nested enlightenments may be discovered by reading the CPUID > leaf 0x4000000A (see 2.4.11)." > > Signed-off-by: Vitaly Kuznetsov Reviewed-by: Michael Kelley