Received-SPF: pass (google.com: domain of linux-kernel+bounces-24786-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249;
From: Michael Kelley <mhklinux@outlook.com>
To: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
	"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
	"ardb@kernel.org" <ardb@kernel.org>, "hch@infradead.org" <hch@infradead.org>,
	"Lutomirski, Andy" <luto@kernel.org>, "linux-coco@lists.linux.dev"
	<linux-coco@lists.linux.dev>, "dave.hansen@linux.intel.com"
	<dave.hansen@linux.intel.com>, "thomas.lendacky@amd.com"
	<thomas.lendacky@amd.com>, "haiyangz@microsoft.com" <haiyangz@microsoft.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"kirill.shutemov@linux.intel.com" <kirill.shutemov@linux.intel.com>,
	"mingo@redhat.com" <mingo@redhat.com>, "seanjc@google.com"
	<seanjc@google.com>, "linux-kernel@vger.kernel.org"
	<linux-kernel@vger.kernel.org>, "tglx@linutronix.de" <tglx@linutronix.de>,
	"Cui, Dexuan" <decui@microsoft.com>, "urezki@gmail.com" <urezki@gmail.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>, "hpa@zytor.com" <hpa@zytor.com>,
	"peterz@infradead.org" <peterz@infradead.org>, "wei.liu@kernel.org"
	<wei.liu@kernel.org>, "bp@alien8.de" <bp@alien8.de>, "Rodel, Jorg"
	<jroedel@suse.de>, "sathyanarayanan.kuppuswamy@linux.intel.com"
	<sathyanarayanan.kuppuswamy@linux.intel.com>, "lstoakes@gmail.com"
	<lstoakes@gmail.com>, "x86@kernel.org" <x86@kernel.org>
Subject: RE: [PATCH v3 1/3] x86/hyperv: Use slow_virt_to_phys() in page
 transition hypervisor callback
Thread-Topic: [PATCH v3 1/3] x86/hyperv: Use slow_virt_to_phys() in page
 transition hypervisor callback
Thread-Index: AQHaQAVimv7uqsPUukqF0M02BKDa3rDVauWAgADjM5A=
Date: Fri, 12 Jan 2024 15:07:51 +0000
Message-ID:
 <SN6PR02MB4157B123128F6C2F6C3600D9D46F2@SN6PR02MB4157.namprd02.prod.outlook.com>
References: <20240105183025.225972-1-mhklinux@outlook.com>
	 <20240105183025.225972-2-mhklinux@outlook.com>
 <9dcdd088494b3fa285781cccfd35cd47a70d69c3.camel@intel.com>
In-Reply-To: <9dcdd088494b3fa285781cccfd35cd47a70d69c3.camel@intel.com>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0:
 =?utf-8?B?ZklsY2hBRXJLblVGT2lrQUlJT01HZDFFaTJjY3VwZkxkeS8vVDN5ZTlDWE5O?=
 =?utf-8?B?ZUtUbXlCTkZmNTJBWXY5QTRMWUFMd0k3RVpoeFRUWjh6d1hXcTBuU0xRczAr?=
 =?utf-8?B?SVdNYkl5SHVKQXN3Tk5zalJxRDRZcjI0aDM0dTFIaXBobFlhaU1ETkQ3YXFS?=
 =?utf-8?B?SDhwbGxDUyt1RmJDazJjV05aeWk3eXFJdVdqNjJRNXROSTl0L1VnVkNyMWtp?=
 =?utf-8?B?VWNLZ3JOZ3FzMGwxcFBjU1daODduVlVkNEhta2V5QlN4c09aV00vQ0dhYk1R?=
 =?utf-8?B?SGdvdHpwbGtXS3c1VXBVb3d5dGxkRjFPcGliY0doU21VTUlSaTFUc1Y1NGZJ?=
 =?utf-8?B?bHRubjFVYTkwY0l3aEdrNzFJbFBqUTFlN0s3R25TTWYxVjY4c0NFbDBWOVBK?=
 =?utf-8?B?UkgzbDYrRk5PZ0E5UEE4dk5FeEROdjZKcERJdVBmR2trNGRqQ3Q5ZHh6L245?=
 =?utf-8?B?bUlVS3FLcHJ6TEo3c0FlM2RhSGxlTzlySjFpZUpaaXFTUWYwQ3VyOFdqR0xJ?=
 =?utf-8?B?VzUxbTgrejMyYUtURUhLRjh4ZDJiUHhGZGo4cU00OFg5NzdJcHBpbHJtZmpT?=
 =?utf-8?B?RkZsVmRTL0lwemtpMEtnVlZoNU1zNmpOVXQzTHlUMzJtN1FLa2xkYThWUDhq?=
 =?utf-8?B?Skd2c2ZGK2dsMGM2YlptWDZPR2dTL3VZNDRBMmx0SXBYQjFDZ2oxZjZwYUUy?=
 =?utf-8?B?WmVpU1VBRWpzRWtVMlJHMEcyMkRxV0gyUTJCTnp6MEZHNnl1ZmFCdVBHUUsr?=
 =?utf-8?B?d0FZM2M1VUdrZmlsc3VRTTJzeHhUQXJaZ0dpZjBxYnVPQS9NeHZIcnpuOXdB?=
 =?utf-8?B?VFRvb3JnaFc0RDhUTXk3Q3VEZGdDS3kxWElRRUtWN2FUWE1lSllxaVA4VEJT?=
 =?utf-8?B?bUZRaUlmSm8rV2t6b0ZRMjhZVDIzTzFuTGZiYjlVRVFOTjRTUW9iTlNHZ0dS?=
 =?utf-8?B?UmQzKzF4ckttTnhpUzdRTUc2dk9OQUQ3QWN2Sm5mYkcxZGN3OXovOU9RRW5Y?=
 =?utf-8?B?QTRVWEdWSVdSNWN6Yi9BL0xUa1U2RU1qaFdYSFhGbjNzcHFTUVFuQThRK09p?=
 =?utf-8?B?UlRmenNWRXdpYk9UL3djSEpUaDhKdUcvOHFDZ3ZIZlQ2WDdqMGhXVUJzbHJW?=
 =?utf-8?B?VVpJZ1d6V3BrM0dTYURYRjhKTXY1UzJaRE5oTXpEVEU3a0dGY1BWQVFjTzM1?=
 =?utf-8?B?MnRlSXFQY3RESE9ldkQ5dm5zYTlCRXlQd3Z3WVRxb2lna3gveHlQMTkwVlFh?=
 =?utf-8?B?YTZ2M1NvTE9ZQ1p3NHFEd0hpRTMzR3Fob3RNNFJHUGdPWkd0UFMvMHExaC9Y?=
 =?utf-8?B?dFQyYUFjY2xoOW02RzUzQXMwc0gvR3ZnVFY5NXBtRXIzM1BBbXcrZUFseHR0?=
 =?utf-8?B?bHhjQ2UvVTNRcWl3dUxxQ2VySHpyUUZzeWdWaXM0NW93d0d4dzNZVVVVeENZ?=
 =?utf-8?B?OVRTdFJ3SUhOR2d5UDhrMjhxL2xML3V0WkJ6b2NVZklTNjdHNFZqeW5lcG5t?=
 =?utf-8?B?d3ExZHFYWmlvaklVUnFraFlPUjlxZHZjOVdhQXpBT0hRTHNkWW5UT0pkRHRR?=
 =?utf-8?B?WXlqK0dQSnc5cE1SWmdrcDZpSDZQd0lmRmV3TEVQWkxNNUdHMko4QjdxSTRp?=
 =?utf-8?B?SmhZYkpFQUxsU0pHUzdzdUtKT1JMR3c9PQ==?=
Content-Type: text/plain; charset="utf-8"
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-OriginatorOrg: outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: SN6PR02MB4157.namprd02.prod.outlook.com
X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000
X-MS-Exchange-CrossTenant-Network-Message-Id: 9d4f45f9-670d-4c57-17a7-08dc13803f1d
X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000
X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Jan 2024 15:07:51.5353
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR02MB8413
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