Received-SPF: pass (google.com: domain of linux-kernel+bounces-147094-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1;
From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "Yamahata, Isaku"
	<isaku.yamahata@intel.com>
CC: "seanjc@google.com" <seanjc@google.com>, "Huang, Kai"
	<kai.huang@intel.com>, "federico.parola@polito.it"
	<federico.parola@polito.it>, "linux-kernel@vger.kernel.org"
	<linux-kernel@vger.kernel.org>, "isaku.yamahata@gmail.com"
	<isaku.yamahata@gmail.com>, "dmatlack@google.com" <dmatlack@google.com>,
	"michael.roth@amd.com" <michael.roth@amd.com>, "pbonzini@redhat.com"
	<pbonzini@redhat.com>
Subject: Re: [PATCH v2 06/10] KVM: x86: Implement kvm_arch_vcpu_map_memory()
Thread-Topic: [PATCH v2 06/10] KVM: x86: Implement kvm_arch_vcpu_map_memory()
Thread-Index: AQHaj4x+tUvGbQVUbUCoXcGmCE+l/rFrAeqA
Date: Tue, 16 Apr 2024 15:12:34 +0000
Message-ID: <75b213fd73fcb5872703f89a9c6bb67ea91e3bd7.camel@intel.com>
References: <cover.1712785629.git.isaku.yamahata@intel.com>
	 <7138a3bc00ea8d3cbe0e59df15f8c22027005b59.1712785629.git.isaku.yamahata@intel.com>
In-Reply-To: <7138a3bc00ea8d3cbe0e59df15f8c22027005b59.1712785629.git.isaku.yamahata@intel.com>
Accept-Language: en-US
Content-Language: en-US
user-agent: Evolution 3.44.4-0ubuntu2 
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?Z0FhKzhuT1JtbjZuMlBZSzhzdjhubkVZa0x6QkxVZHU4MktoTG52dTdJajQw?=
 =?utf-8?B?YzR6MTBVUUN0NmNreG1qamhBS2l1V1IwQm9mbVRIRGhYL3lhb0JYUnpBRmpK?=
 =?utf-8?B?bHVFRDVBU2pidmpqSHIyY3NVOHovVXNpREc0OU1sL1dwVkFSUFhXS2xMK0dT?=
 =?utf-8?B?RXNwMUZXOFM4eDhHYjFvUXVrK3Vhc0FZOE9SUkZBMzVYV3lrdldoRDRsdTZZ?=
 =?utf-8?B?bDV5Z0ZBNURoS3VXbjcrWmowcHkvVis0QjdudEhweVp3ekhXVmQ3d1FrNS8w?=
 =?utf-8?B?c2dObmNTU0F1R1I0Mkk2aGI2L0RVSGQyUVdaRmhVMlVkaU1FZ3F0cjczZVhu?=
 =?utf-8?B?RVZSYTNuc2lNQ2FmZkF1U0lPS2JWR1ZmdW56RnFYUTlFcXQwRUpBcllTWjBt?=
 =?utf-8?B?TXhLdmtJeVVIMTlYWTV1cGEwTHppSE5zN01jSGloL1dLOG92anZGaU9yOHdj?=
 =?utf-8?B?N3FESXV3ZHc1Sjc0Y3FNYlI0Mmx2QVZ3Wnp6Tm9HZlh6YVIvNWFpYThTdndp?=
 =?utf-8?B?SzY2UmNJaEZDeVQ1ODFFUGtJN3lNZmQ0aDZUZ3R0ajVLV0s3OFVNWFRzaURu?=
 =?utf-8?B?R3RrTCtuR3VSV3pwMnRvOXp3TEdpZHZZQ3FwM1JWZUovSXEyMnJkNHd3TUJh?=
 =?utf-8?B?eVFHbHBUK3gxK2dEUXQvZUQvUG9OK1IrR1E0TkY5KzU1eEk2ME04RXVXUTlP?=
 =?utf-8?B?T2d2UCtxcmdHU0VSTnZKTGhmU3FzTDVGdE1PZTh5a2dCLzJUc2JOOUVIdFFO?=
 =?utf-8?B?RnBLZWcwNXk5M3hIZUtDNjRxeGsvTG9xYnljUG1DREdmMm56N3psNTNCbnFE?=
 =?utf-8?B?cmFVenN2NUE5QS9XdzZWbWsxajNRSktMM2lKbkNRc3luQ2owWi9BOHA3THNa?=
 =?utf-8?B?SjRGb0Z6TDkzWmxyNVZzalJBcmtLM2tETEIvMFViZEdXRUdYV3IvaXhhVmE1?=
 =?utf-8?B?OERRN0k2RlFTWG5yb2szR3k4VXR2LzNqMG1ZaXM3UDZTV2FxVk9MMmxjOGNF?=
 =?utf-8?B?dkRPUGNlWUJ6UXN3QUI0dWhJS2NEWVdtS1FTR285KzlvZ1BZMjZlNTA4M3Vs?=
 =?utf-8?B?WEZKOHpRdHZRVVJkbmd3amVPMUZmbGZZbld4a2JCdWV4aEd3elcvTmFKQWM4?=
 =?utf-8?B?QjdQUnk3dzlRU09jUW1zS3dRbHBSeXczQXRUdkorOHQ3NHo3azBEcytIVTBK?=
 =?utf-8?B?RWVMMGE2S0lFNmplb2YwUVo2R1pDakgzRkhmZUpGd28xcUtGdmpRL3FDOGlx?=
 =?utf-8?B?UHcvNU1FOFRUZWVNbFMyVWtIbUM3ZlE4bm5JbFVwRXQzT3lSL0VId3NwbW54?=
 =?utf-8?B?L2RrekFFc1dSeUxtSkw5aVMxMHhRK24raUlsejFiSXZwNmlBU2tPZHpTVk4z?=
 =?utf-8?B?Zys2SnBDZ3BqSzdIRkc3N01kMEwvY3BTUCtaaHJCMVl4ZTR1UE1QbUE0anhu?=
 =?utf-8?B?UktzYlJwZ0dRUlVHbjhCWHlkcG9xMUpIQjVHWnZPWjdCdE5mb2dBUEhFWkVH?=
 =?utf-8?B?ZmtVZXVPR0UwbVNQUDJGOUZlYmxoNEF1SlRBQTVhVTRQaVEvOGE1MmxoaWw0?=
 =?utf-8?B?R3pxRVl2a2JQZU1FZnZuZkFjb3oxb2lOMkh5cFdUZHdDdk5FUFpkOWxXZjRC?=
 =?utf-8?B?OER5L1BJQmxmRWFWY2UrWmtWMDMzbFg0UTNxK1JKTitPTDVqd1VuK0o2RTI0?=
 =?utf-8?B?THNESlN6ZEpNVDZuZjZFWFFGVFRZbDMrcmd1cFhuTmp3anpqQXJWUVppLzZj?=
 =?utf-8?B?TmtyeEVpVldqcDJneVA0K1JydjZMakkveTVUczVVWTdpM1JzNGs0d0hXTmZB?=
 =?utf-8?B?ZHNpNWhTRHp1U2l0VkxsVUhCR3FKMDdYYVJ5NnkvTmk4YmwzQTgyK2xiQ2tU?=
 =?utf-8?B?SDhKSGEvdkw4RWgxRTAwRlhhQVlaWENrK3NaeDJxbU5BQXRJVzlEa0JDTFBm?=
 =?utf-8?B?amxuaVpieXJPVDU1cE5hek5NblhJYVpid2FWN0ExSTExYytvZnhaejRRVlV1?=
 =?utf-8?B?dDR6QlliQ0phTmJ2c1dqa2gvUWhvUkpaSDVobDlxUTArSVVQaUg0VkRNUmIr?=
 =?utf-8?B?Rk9VRFI2RW1mVnZISmM0Z090K2txazlKSDdjZFd0eWxPdWFZeXlLREQ1enNw?=
 =?utf-8?B?ZGFMZ0N3dHRZaTJnUWJsUmt2SGRXdnZ0c0dYb1hMSmdVT2JyRWd5aDFjeGNs?=
 =?utf-8?Q?Y5VEeZ/jB8Cin6rCchOSbCo=3D?=
Content-Type: text/plain; charset="utf-8"
Content-ID: <FE94546FEDA1A24B82FCB2B906FCDB04@namprd11.prod.outlook.com>
Content-Transfer-Encoding: base64
Precedence: bulk
X-Mailing-List: linux-kernel@vger.kernel.org
List-Id: <linux-kernel.vger.kernel.org>
List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org>
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: MN0PR11MB5963.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 4abdfea7-829e-4ec6-c274-08dc5e27a4e9
X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Apr 2024 15:12:34.3244
 (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: ub1Ni5FzaeY/coWdpuWpmIzp/5ceS6wBqmXGvxcjirwAD8wjP/NyC/aHKPk1q9ZNFFLhEfyNZblkJ1G0GWSuSExpVlaAH0JmVVWaeUL3Kkk=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR11MB7989
X-OriginatorOrg: intel.com
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==