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Peter Anvin" , vkuznets , Dexuan Cui , Wei Liu Subject: RE: [PATCH v2] x86/hyperv: Set pv_info.name to "Hyper-V" Thread-Topic: [PATCH v2] x86/hyperv: Set pv_info.name to "Hyper-V" Thread-Index: AQHVg0RIF4xP+GrFYUaioMALFqP6h6dbq8mA Date: Tue, 15 Oct 2019 13:06:33 +0000 Message-ID: References: <20191015103502.13156-1-parri.andrea@gmail.com> In-Reply-To: <20191015103502.13156-1-parri.andrea@gmail.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; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Owner=mikelley@ntdev.microsoft.com; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2019-10-15T13:06:31.2366612Z; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=General; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Application=Microsoft Azure Information Protection; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=5a42cd8a-92d9-4e4c-9cdb-10505339effc; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Extended_MSFT_Method=Automatic authentication-results: spf=none (sender IP is ) smtp.mailfrom=mikelley@microsoft.com; x-originating-ip: [24.22.167.197] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 65103363-64da-47a8-53a6-08d751708104 x-ms-office365-filtering-ht: Tenant x-ms-traffictypediagnostic: DM5PR21MB0188:|DM5PR21MB0188:|DM5PR21MB0188: x-ms-exchange-transport-forked: True x-ld-processed: 72f988bf-86f1-41af-91ab-2d7cd011db47,ExtAddr x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2089; x-forefront-prvs: 01917B1794 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(4636009)(136003)(366004)(376002)(39860400002)(396003)(346002)(199004)(189003)(7416002)(9686003)(14454004)(66446008)(33656002)(2201001)(66476007)(76116006)(66066001)(2906002)(11346002)(7696005)(6246003)(74316002)(99286004)(446003)(186003)(66556008)(66946007)(64756008)(76176011)(10090500001)(6436002)(256004)(55016002)(25786009)(71200400001)(26005)(4326008)(8676002)(102836004)(81156014)(81166006)(229853002)(6506007)(5660300002)(4744005)(6116002)(8990500004)(86362001)(71190400001)(8936002)(478600001)(486006)(316002)(22452003)(10290500003)(2501003)(110136005)(54906003)(7736002)(476003)(305945005)(3846002)(52536014);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR21MB0188;H:DM5PR21MB0137.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: TdIz54meN3WPOpWH/wQXIk95ATAZ3I8JxxdoWlApC8iqTUAKaiqN4zHVWzcQf6PUEC2Kd+J6qUmhlDZBvm3+vzCt8iJR9uV1eMyfQMFv3Wiq1uJcEqGQymX3teIQ9y7K6rUBXpc9SsXVwuI650IUMN0ylU2ZTwMFmZA0/GVsSI0Me/qNdYKJ+Qy8cNtj1ZoQJ9biWeNfb4rgT+l6qSBsQajvrXZWCAD7kBD4jWYmTC5sC6tYtYcIskpnm0mYxN7Q1Toz1v7Hk5pUogwUW296SJVSovpMHo7z/62cfI56jEeC0aZ/eD9Yp5ptzev0+0Bknhg+iFgc9A4Iq/d+n38d/GS1akqzCX+UpeSJjD9jU29Z5pHSmTnA4EBphbLp9SGdUQeIQj4dCCIq3NP5O3UZAxEpC7hfVN7r0SQ+NX5pzgk= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 65103363-64da-47a8-53a6-08d751708104 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Oct 2019 13:06:33.7496 (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: gtu2ncpU4LwARKevawn1OfSc3IKaUPxIhxT55DcHKVli3VucGqnKIkjtTC083hHKzs9FqGoxfcFuxnswAiq77MnNV1jQwe40Kz8/c2gnZyk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR21MB0188 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrea Parri Sent: Tuesday, October 15, 2019= 3:35 AM >=20 > Michael reported that the x86/hyperv initialization code printed the > following dmesg when running in a VM on Hyper-V: >=20 > [ 0.000738] Booting paravirtualized kernel on bare hardware >=20 > Let the x86/hyperv initialization code set pv_info.name to "Hyper-V"; > with this addition, the dmesg read: >=20 > [ 0.000172] Booting paravirtualized kernel on Hyper-V >=20 > Reported-by: Michael Kelley > Signed-off-by: Andrea Parri Reviewed-by: Michael Kelley