Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) client-ip=23.128.96.34;
From:   "Huang, Kai" <kai.huang@intel.com>
To:     "dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
        "Nakajima, Jun" <jun.nakajima@intel.com>,
        "Annapurve, Vishal" <vannapurve@google.com>,
        "peterz@infradead.org" <peterz@infradead.org>,
        "mingo@redhat.com" <mingo@redhat.com>,
        "kirill.shutemov@linux.intel.com" <kirill.shutemov@linux.intel.com>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "Aktas, Erdem" <erdemaktas@google.com>,
        "Yamahata, Isaku" <isaku.yamahata@intel.com>,
        "bp@alien8.de" <bp@alien8.de>, "Shahar, Sagi" <sagis@google.com>
CC:     "sathyanarayanan.kuppuswamy@linux.intel.com" 
        <sathyanarayanan.kuppuswamy@linux.intel.com>,
        "hpa@zytor.com" <hpa@zytor.com>,
        "nik.borisov@suse.com" <nik.borisov@suse.com>,
        "Christopherson,, Sean" <seanjc@google.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Jason@zx2c4.com" <Jason@zx2c4.com>,
        "x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH] x86/tdx: Override the tsc calibration for TDX VMs
Thread-Topic: [PATCH] x86/tdx: Override the tsc calibration for TDX VMs
Thread-Index: AQHZ9/JQtxyRQPfuJUC3YhBsskddMrA8k/mA
Date:   Fri, 6 Oct 2023 10:43:29 +0000
Message-ID: <0f97dc87e18fccbca6663225f11f47bc1a927ad4.camel@intel.com>
References: <20231006011255.4163884-1-vannapurve@google.com>
In-Reply-To: <20231006011255.4163884-1-vannapurve@google.com>
Accept-Language: en-US
Content-Language: en-US
user-agent: Evolution 3.48.4 (3.48.4-1.fc38) 
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?VDFPNFVoNmhmRWdLWlJnMHp6NGZXZTJpcGFlSlg1YkxEOExzRmQvc3NvelR6?=
 =?utf-8?B?d0FjZGFKamVKUkwxdFA0RHJ6aXBSQmhVakhvOEZWc0pKQjkvQVQzbkl0cnF3?=
 =?utf-8?B?VmF0dzFSdjk0cko0dVc0VjRwNFpwNm1zSHlCdzNTV1dIeE04d1VjbllIMFBl?=
 =?utf-8?B?clpLVkhJTktmV1c2ZFQ2NjdKNUs2ckNKL1pVZHlCVzIvenF6Q0RvRTJjM2No?=
 =?utf-8?B?ZXJIUzY4NjlwNVd6QTVwbjZTL2JzMXdTTEJyMDF5R2pTb3ZDY1p1YmtVV1o4?=
 =?utf-8?B?TzhEYVNOTGVGK05ZdzBXTE1EQ3JzWFZPMERpMEh1a3pCZ2dmTjJyS1RzRjJM?=
 =?utf-8?B?MndGQ2tqenUwZWFTSjRITmhPalAvYS8yKzBTQTNHYk92cllRUDNjSWlpR1Qw?=
 =?utf-8?B?dUloamxCaHdjdSt5UEdwNTVNWU1aNllmN1p6M2hLbzEyaEdVM3lxUjV3U0pw?=
 =?utf-8?B?OVFRMWgrMS83Mkx5MXJKY0FjVlhYOTJTVWh1YnJtM0hqZHNRcWRuRzZ6cUwx?=
 =?utf-8?B?WnB3MXRFSHZ0Ykc2WldhK2lKQUxkZ2RPczY5cDQ1T0doYUFJeTFXQ2tWcHB6?=
 =?utf-8?B?OUVRd2MyUFV4Ym1xcjgrcmNYRHpRMDVrR0tuVkN4bDMzVWJFWGdHNnNJMzhW?=
 =?utf-8?B?UjNYYU9XU2g3ckxzMXJPK2EzU3pnT1d1S0RJQUFIZlI5TE5WdEZOQkw5NXNw?=
 =?utf-8?B?blowdXZIamdVVXdnSVNqcEJJZ0FpTzYrY2hmd2hHWVNINzRWMGl0bkZteklm?=
 =?utf-8?B?czgzTWU1MTdWUzNkaWJTVnI0TGhRWXFlWXlJdGpuVitqQ25DdVpEN2tkbGsy?=
 =?utf-8?B?RjB1VGtFaFhGYWgzUUo5cDd6SDBucHBvbWVsK1FpRE1VblNjK2JpVkFiUlNK?=
 =?utf-8?B?QklhWWh1MGpJaXZzVXdjWEpTZnpGcHoyQ0JBdHJaZ2hBK2drL1hlVnowOXRJ?=
 =?utf-8?B?Tjd0cy94R3I1cWgxb2tnMTZnUmIzSFFJUXJxZ0VpYVF5N0JrSm5XczNCQ0Jl?=
 =?utf-8?B?cE9TZVRvMkl6TGViV2tzalI3QVU2MC9kc3dWRjFWOCtNY05JNGY1VFdzdlV6?=
 =?utf-8?B?TWhhdElrUzJoSnlUdXM5dDNyMkRoMW9tWXE0cmtDcUt6RHJheUtiQWRFSkg1?=
 =?utf-8?B?dmtBTEtXVlRIbEMxNUdDVW9IRGtLMmdybWRmV0hzME1zbWplRXM5Uk1NNUVk?=
 =?utf-8?B?Qys1cE1sbnMwUjlYRzFoSG9uWm9ydmphZVFwZnhza1d6WEVFWXU0S29sZm84?=
 =?utf-8?B?Qzdad0tWNmQ0R3NMQzA4N0tjSFRlaXBVSFFFMlJianQvdWE2R0h5WkgrRkhs?=
 =?utf-8?B?R3doL3QxeDc0WjZYU3FuWDJjVHdkUnR1RkRyY2xGWHVLV0RmRE5BWjhHdGdt?=
 =?utf-8?B?aTIvR3V2MXBTSkI0RWtGSnBQeW14VkxXd3VoMkRNUU1sMWx2ZllHS2VoTlk5?=
 =?utf-8?B?cVNwUW0zNlY5VS8vNCt6R0hjeUVYRjJYRFpkRWRRQ2kyelNQREdCMG1qZ0pk?=
 =?utf-8?B?aGh6THBiTUpoZHozdmIrbnlMTFlXM1JIQTdIS3FEUTJySWlkNDV0YllMNk5q?=
 =?utf-8?B?TmFzR3J1TzlXQkxPMk5CQ0hDREtpMTRacktWTmZ3TlpvNUdVQjkrcFZsN2Jo?=
 =?utf-8?B?UFRsSXVpMDUvSHh4Wkx3c3ZYNnYvTkdRdVpxZWxIaHBOQ1RYTVNSK2J1enE4?=
 =?utf-8?B?bW5EcFY4WkdkVWZRa1I4S2FZbHVsRU9rWHBPZDJ2dXdhLzJlUkRnWllCeFJz?=
 =?utf-8?B?RXY3K0x0cDRKenlYOENGeWpGTGlIS0NaUWdvUjM0ejNhSHVERzJOdWUrcCt6?=
 =?utf-8?B?SElCMlRCMU1BOWNFRUtPRzlSRitGcnNadFZOaXMyYUJaMkpnMVF4RzlUS1dM?=
 =?utf-8?B?UnhNVEJFMEVWbFp6dEVEWTBOZXlTbDZsR0VZQS9XS1FhbC8ybGpJUUZmSFVt?=
 =?utf-8?B?dmluV1VQc1hOSFBXdXRtOU5XRDlSZXRXSW5VSnFLZzBQVnFNL1pNU0VyY2xw?=
 =?utf-8?B?THNTV0VNMW55ay9UWFd2ampNSVlZRXVPQ1gxcDM0VVVZdWJoSVJMTk5GVVk5?=
 =?utf-8?B?eUhmenozSVcrMmdVNU1CY1VEQzlNeHkvbDdaTFZqdXNCZWg5WUttQ0twZ2ZM?=
 =?utf-8?B?MjFOd1NueFVuck1NWW9waDVTVXN6bEtPMlpjNXNpOUozaFN4cFNoYktycmo5?=
 =?utf-8?B?Qnc9PQ==?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <1770B503E85953499F711A21B0731D5F@namprd11.prod.outlook.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: BL1PR11MB5978.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: b772bb88-5a65-4204-ab1a-08dbc6591434
X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Oct 2023 10:43:29.5935
 (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: aGmoZwcOUB7jLXfiN1zlpp/OoGrMFMRJ4ynS0EP+zX7tFMBOjCpUqSxymR6sIknsvAS/WhR8r+CDSMnbr6BfzQ==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR11MB4932
X-OriginatorOrg: intel.com
X-Spam-Status: No, score=2.7 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,
	DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,
	MAILING_LIST_MULTI,RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS autolearn=no
	autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Fri, 06 Oct 2023 03:43:54 -0700 (PDT)
X-Spam-Level: **
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