Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   "Huang, Kai" <kai.huang@intel.com>
To:     "kirill.shutemov@linux.intel.com" <kirill.shutemov@linux.intel.com>,
        "Hansen, Dave" <dave.hansen@intel.com>
CC:     "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
        "Luck, Tony" <tony.luck@intel.com>,
        "david@redhat.com" <david@redhat.com>,
        "bagasdotme@gmail.com" <bagasdotme@gmail.com>,
        "ak@linux.intel.com" <ak@linux.intel.com>,
        "Wysocki, Rafael J" <rafael.j.wysocki@intel.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Chatre, Reinette" <reinette.chatre@intel.com>,
        "Christopherson,, Sean" <seanjc@google.com>,
        "pbonzini@redhat.com" <pbonzini@redhat.com>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "Yamahata, Isaku" <isaku.yamahata@intel.com>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "peterz@infradead.org" <peterz@infradead.org>,
        "Shahar, Sagi" <sagis@google.com>,
        "imammedo@redhat.com" <imammedo@redhat.com>,
        "Gao, Chao" <chao.gao@intel.com>,
        "Brown, Len" <len.brown@intel.com>,
        "sathyanarayanan.kuppuswamy@linux.intel.com" 
        <sathyanarayanan.kuppuswamy@linux.intel.com>,
        "Huang, Ying" <ying.huang@intel.com>,
        "Williams, Dan J" <dan.j.williams@intel.com>
Subject: Re: [PATCH v11 12/20] x86/virt/tdx: Allocate and set up PAMTs for
 TDMRs
Thread-Topic: [PATCH v11 12/20] x86/virt/tdx: Allocate and set up PAMTs for
 TDMRs
Thread-Index: AQHZlu+5q5NS4Kj6PEufTtj99AOoBq+BkvoAgAAFRICABOumAA==
Date:   Mon, 12 Jun 2023 02:52:13 +0000
Message-ID: <19b612683cf190ab2eda55f83bee554e40c2233c.camel@intel.com>
References: <cover.1685887183.git.kai.huang@intel.com>
         <4e108968c3294189ad150f62df1f146168036342.1685887183.git.kai.huang@intel.com>
         <20230608232452.yrx2tekugkvral4z@box>
         <b456ea7c-18be-3397-0115-fa25007741bf@intel.com>
In-Reply-To: <b456ea7c-18be-3397-0115-fa25007741bf@intel.com>
Accept-Language: en-US
Content-Language: en-US
user-agent: Evolution 3.48.2 (3.48.2-1.fc38) 
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?Qzh2cjcrT09uV2lnNVJHQkhzWTVQSEMyYkxRMm1iZzdQeUh1dllLM0lPSDE4?=
 =?utf-8?B?dnV6d0tINWFKVFJybEZSOCtSZE1kd1NqWVdiRXJhZ3lvU3VKU2kwMERQQW9t?=
 =?utf-8?B?RHQzYTZxTURLRFA3V2pmajRUMlBnT1l2emM4S1RoOXNYOEdRdEhUQ25ndzJw?=
 =?utf-8?B?NmZ5Y0dzQkhDWThIVU9TRm9MZTRXWFRRMHBPZ1hZaXFYT0U4dU5iRW9oN1F1?=
 =?utf-8?B?Y3lWRzczYU1ZaGhlTmpZa3JOSUJMNDNHN0Q0aGZ3TGVJWENqd3NJWXZWU1Ev?=
 =?utf-8?B?OXhVMzNYQ0tDNWg2enJUTGZoMFg4b1Fob0RNU0RlUkhzdHdUeldBNnRCRkFC?=
 =?utf-8?B?R01QYkdQRkNpT2F0M3lpVlg4UWZ2bFBtSkRxMjJBam1HNGJyYTFHYW95QmVW?=
 =?utf-8?B?Qk9hT2JEanVpeXFBNDVsVEllRjUyVVdmb1h6WnpueDNYRjFZNGZtU3QvWi80?=
 =?utf-8?B?TnM4MnNLRXNVZG03elFDeEI0UWlPbW9tWUVGdjkvc0VoODhLWGZFSVZOMkhU?=
 =?utf-8?B?ZnFFYjVEeUY0QlJ1ZktBR0lsRitSTkN4RWxpcUovRTg2Q2hHRzhpQkZvRHlI?=
 =?utf-8?B?QnJvWExmOVhIK2hnR1RGTVBBRFd5Z28wUm9aVGVUUmhrU1VsNHMweGVPMUw1?=
 =?utf-8?B?VGlYUTh5NFFoMXF0R1ZzWVBFREhYRjZCMWNmWDVNZWl1QlNDRVI5TG1qSG5X?=
 =?utf-8?B?Vmw3OG5udDMzYXpIUjVQVjlCeWx5YVlsWUVZbXM1NjhtZzJmQnE0d0xGV3FM?=
 =?utf-8?B?NVpydEN5a3VSQnJrU3VVWjVPelVnQ29TN2ZpS28yMVc5S08yVm8yUjdHYUNE?=
 =?utf-8?B?cTFCS0dOWnpxRHBkd1pmeno3S25QdGdBMnRPaDVtNFl4b3lYR3BwbEdZZFlC?=
 =?utf-8?B?ZFZnSXJoUUswR3JTektYalFMTUpQZE9qUHYxUjJULzRFTGowY2dVWUh4QVR1?=
 =?utf-8?B?WlozS2dZRW1OWGZmUTB3QWtHRTM1Zm9ZMERlU1NTajNTSXNhTkw2SHhFdE45?=
 =?utf-8?B?N05EOXc3Q0U0ZTA0MDBNWlczVlZKQS9GUzlLZk5mOEprMDNHUHl0S1VOYitx?=
 =?utf-8?B?RStYY3dCckVSZk9YK0pMVTgzVVMvMmExcTZ5d0ZjRHRKb0pFZDRhcUVoazBh?=
 =?utf-8?B?YjhQazlMUjIxZHRTQ2ExVThJYS94OUJ4bk1pSkczak9McXVhWVRNcG1yNEll?=
 =?utf-8?B?b3lMTnM2UjRxbUtBUnZ0S1BYK3pJT0ZEeFdNWmRwaUF3QUVHTkVPWFM0Z1pB?=
 =?utf-8?B?d3R1MEZYWkxBOFprWHh2cXBqWVFlUm83U3paSFFoNE1kbjU3Mk04bTZqcFF5?=
 =?utf-8?B?YVFoWHZxa3FBMXFjU1pvRDFoR2N3UlRGSVNjQS9kcmtXaU02UE92bWlyRlRp?=
 =?utf-8?B?MTBMVVRMUDFkU2toNlFWbWZEam9NZ2FrTlgrd0NiR0RrMzRXM3lpLzVveGZo?=
 =?utf-8?B?RWFvN1B4NHZTSHFrd3dySGZQc3YxWGozZENBdzB2Um5JS2YwVjd4aDREQUFU?=
 =?utf-8?B?Zk9Wa1UyZ0E1UW95OW9ySktRUTNqY0VRU0t5c2VmSVBjeFpVZVFHZGVRR3Vm?=
 =?utf-8?B?aDFlR3JCUG9hdXVWeEF1cjFSY2F6WFlWSmdpcGN6ZHVjT1ZuM0FPRDQzTWN0?=
 =?utf-8?B?RjNtNlFaQXIwSmFXd0VteEowS2dNVWxaYU5qSmVHZkNYRTNoRjlOWkkycm12?=
 =?utf-8?B?MExtS0JCV0pzWTRQWjFQNE5iTWpUOTlYRTQzOHJ1R0ZmT1RXQnVwQ0F4RmNs?=
 =?utf-8?B?OUppQ2FQa0NjUElMUzZLbldnNE1tOEpyYXA3VHhXZkJjZG5OMVczUSt3ZXVR?=
 =?utf-8?B?TUV4dzRpcUNkSlcyUlYvTW1UOVlDTFJWbmRETGFKM3RmVGEvRmsvb3l0ajB4?=
 =?utf-8?B?b2dlcXREcndMb1BzV3NCYnU1MktiWk1SRThlWGdWbEZ5bUJRblVnZVhya0Yr?=
 =?utf-8?B?bGFPd2VVQUUwOVlTZ1cyWWpBWHNZakxLbndxbkY3NGVDU0ZUN3JoMDR0RWdy?=
 =?utf-8?B?L0I4SUphSEIrOXRFME0rSlFxdjlXdmgrL1BHT3RGZHFnOVZBaUZIUDkyT1ZN?=
 =?utf-8?B?d2E0ZEExNU13czhCUFZkd3pjU3l6TFYxS1c5c3Yya0VEVmZmVHF2dU1hNjFh?=
 =?utf-8?Q?UK4a282xlMs3dUzzT3zCpXxUc?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <30F4A24E0D3D22488680527623E0E06D@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: f922cd97-4e4f-41ed-9d57-08db6af0063b
X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Jun 2023 02:52:13.1710
 (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: C3fRFHLrv/5AGo/1U585zaYkRdm/3Oq/2uZINsnHgFbGa1WRaLtQTW8Z1aMWWy+2Ozp1rzuckxFxw70NQ7S3Kg==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB5519
X-OriginatorOrg: intel.com
X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,
        SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham
        autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
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