Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33;
From:   "Huang, Kai" <kai.huang@intel.com>
To:     "kirill.shutemov@linux.intel.com" <kirill.shutemov@linux.intel.com>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "mingo@redhat.com" <mingo@redhat.com>,
        "x86@kernel.org" <x86@kernel.org>, "bp@alien8.de" <bp@alien8.de>,
        "dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>
CC:     "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
        "Reshetova, Elena" <elena.reshetova@intel.com>,
        "Nakajima, Jun" <jun.nakajima@intel.com>,
        "rafael@kernel.org" <rafael@kernel.org>,
        "peterz@infradead.org" <peterz@infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "sathyanarayanan.kuppuswamy@linux.intel.com" 
        <sathyanarayanan.kuppuswamy@linux.intel.com>,
        "Hunter, Adrian" <adrian.hunter@intel.com>,
        "thomas.lendacky@amd.com" <thomas.lendacky@amd.com>,
        "ashish.kalra@amd.com" <ashish.kalra@amd.com>,
        "kexec@lists.infradead.org" <kexec@lists.infradead.org>,
        "seanjc@google.com" <seanjc@google.com>,
        "bhe@redhat.com" <bhe@redhat.com>,
        "linux-coco@lists.linux.dev" <linux-coco@lists.linux.dev>
Subject: Re: [PATCHv3 10/14] x86/tdx: Convert shared memory back to private on
 kexec
Thread-Topic: [PATCHv3 10/14] x86/tdx: Convert shared memory back to private
 on kexec
Thread-Index: AQHaF7t4jzxmtwRfDku+BnGgRkzK3LCEKzGA
Date:   Tue, 21 Nov 2023 03:46:41 +0000
Message-ID: <8277e9a1df4c3fd968edf670b0aa7dc1dd50dcf8.camel@intel.com>
References: <20231115120044.8034-1-kirill.shutemov@linux.intel.com>
         <20231115120044.8034-11-kirill.shutemov@linux.intel.com>
In-Reply-To: <20231115120044.8034-11-kirill.shutemov@linux.intel.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?cHNpblgvYnJOaytaUElNTW1kV0tnaDFYTWlCYU95M3gvWGdNQkhkQzRsVEoz?=
 =?utf-8?B?Z21XNlo3WDVLSnVKMFpObjJsN1dvS0t5Z2g5ZWVuU0ZBTWkvV2IzRW5BSG1P?=
 =?utf-8?B?YzZBN1FiRVNQazhtcDY0WXZFZ3l1Q3FENHA3WkUzVnlkc1U4RDU3RS9ES0to?=
 =?utf-8?B?V2FPczhIRDI4b0tJWWRzYmxGdlFkbmhaMDR0RXkvVDYwZHlMN3MvSlVBWW11?=
 =?utf-8?B?YzRUazBUQ2hubG9PbURjVTcxb0FSR0tpdFI4cmx5VEp4em0zWEJONDVXZHFv?=
 =?utf-8?B?Tncwb0hqYTVxVEpUR3ZJbmV1aGkrdStTTzdRUTFXVTM0ZE9VdEVPWVlIY3lw?=
 =?utf-8?B?WTAwWVl4U2cxQitkaUJjVHkzcWZtOE01T1EyZExreDFVSnhpM0FYQ21FVG8v?=
 =?utf-8?B?SDRqOUVFV0JuQmE5ZTdvZ3VCSWVGVlArNjl4QzlnTGIyQUo0cDRpcWorTmZR?=
 =?utf-8?B?MSs0ZGJwZjJ4aEFnL2xTSmxPckd6bWJLK2ZtQW5MaklTVXpIMHU4Z3dUaU5a?=
 =?utf-8?B?SGVpTVQweXYzOXA4MkxSemRFWXZOdmFtaEsrNThucVhhdWRYV0tOekt6dWxv?=
 =?utf-8?B?am03b1RsRldrdXhsSHc3MjVLOVFFL1I1cWtPVFloUWxndUw2aDVabVZGaFFN?=
 =?utf-8?B?THNDMlJ5ck5kTVdudnNHRXdtMGRyQWc4ZHZRaFp4SFlFSTBZQXJ0NU9mQWY5?=
 =?utf-8?B?NlpHb2ljRlFNRUtNMGpuWW5mRnhKd3U1bzIrYjZjcmtiTVIzVU01RjRpY01m?=
 =?utf-8?B?NkhPM0RLOVAvWlRMSUJiMDduWG5zOHd3WEM4M1RXWGlBc1hETU56U2ZCdjVY?=
 =?utf-8?B?VlZjeC9KTWk1eng2dWxIUGV2QUZmSEJXdytQejNIY3lrOGVlQWFnVWVRU3M0?=
 =?utf-8?B?QTdFNy9aU3NaVm5ReHRkQkxvUnR1eXNXbmVRY2VDRHV4N3h5UnA5amlKNGhh?=
 =?utf-8?B?c3BjY0hGMXVnTm82Z1BKbzJ5dFc3a2J2SWR2N2dIU3dnZTd1SVZ2c1lZRERH?=
 =?utf-8?B?ZGZ0MTVEd01aQjArTWN6ck5CRHBiOERZZDBxK2pCZzNqbFROaWgweEM2UDZK?=
 =?utf-8?B?SkgyVnI1b2NhWnM0UTdTRHJmZUUySWIvMFRFdWRhblFkSE1XaFYwVDByWllq?=
 =?utf-8?B?eDVmNXY4b2pOck5aa2kvYXRaNm9keHV2d0VuZ3BNY1BpNEliWVhBcjhKNHhI?=
 =?utf-8?B?OUtHNjFhSmgrbFpCanlyVncrODFqSWhIc1pwWVZqS1VTUUc5U1RBbmFKL1do?=
 =?utf-8?B?dEVSbjdlLzNqaTFrU0ZqY0x3cmw2c2prbENFeklmUHpIOXpBTmdKbFBrSWlE?=
 =?utf-8?B?SjVWN0VXQ0FYSXpyeEtFdkNTMHBwOTdFandBTjdwbElGNnNJYVJiZlYyM1lk?=
 =?utf-8?B?UEVIZmJUSGN5cENZNUYxYnJxMTYzTG41SG9BNWJ2QnF4L1ZJSW05Wks5NG5W?=
 =?utf-8?B?MEJZUVBqYU5mQXhLdks4WjRQVGllb1JTYnFNRTgwUUFPV2hVOG5rRVRZTWQ3?=
 =?utf-8?B?c0krbHdpdFVDSC9sYUFKaXhob2RpejlXc0NpUFI2Vkw4K2JIKzVJci9ZcWts?=
 =?utf-8?B?aGltYVV3ZGYxbUN4TGwzNXhoOUMreERVazJrZHRYOEtGYjZ2L2R6dVFnQ1U3?=
 =?utf-8?B?MWIyTExSdkEzM0NnSFZpTytGcmNrTEgvMVYzUkJkRGJQZFB4Uk9JQUtsbDc2?=
 =?utf-8?B?ZVMxbm5hTEtHQU5HMEhibG55YnFwaEpMSWdzUXRvcldhNGk0U29uRU1CRDRU?=
 =?utf-8?B?NzBVMEFEM09xSFAwWUQ1YnpNaDFicVE1ejdBZEdVVkZCTmN0ZW5oUEk1Q1BI?=
 =?utf-8?B?QWNiTUl4K29HYTE1aFpldWp3eTJ1QWJFL1ZocTBoV2pGVHR2N2FHNi9LRXdm?=
 =?utf-8?B?a0d6bU1QRmV1ODl6c3ZyU3dBa3VaekN5N1haa1J1RDlmVkhxM0Y1a2t1Skkv?=
 =?utf-8?B?dnh5ZnZLZVErVHh0alJLTnliNk1qZWZTUXFzK2ZzU3R5djF2VzUyeXZJM210?=
 =?utf-8?B?bmdXVDRVakN5MVo2emtaZXQ2eDlvb0c5K3AyUkdxRzJtdHVDcUg1ekhzTDlw?=
 =?utf-8?B?ZVhOdU9HV1MvUHFEWlQ4TWc5VjVTTFNTTVJ2aEUza3dTR2xTUHVOOUNjZmFx?=
 =?utf-8?B?VVFhdVlmcUh0bGkyYm9UaUZ3QnNNNVlnd2tGY08zNDNKZlo1dzE0TTdYSStG?=
 =?utf-8?B?Y0E9PQ==?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <6E04DDC9AE12E84FA8D3A5D7CF22D0C4@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: 6e7a4aa5-c381-44c9-b2bd-08dbea44792d
X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Nov 2023 03:46:41.4732
 (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: fcY+AlohoYLZuCf8XUAWFfdfK4fX581HquUGWZpVBA49IdQXG9QlnETQTGOBCEVBYuguiAeygy3myWIZBsHV6A==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR11MB5892
X-OriginatorOrg: intel.com
X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,
	DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,
	MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE
	autolearn=unavailable autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.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 (lipwig.vger.email [0.0.0.0]); Mon, 20 Nov 2023 19:47:06 -0800 (PST)
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