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:   "Tian, Kevin" <kevin.tian@intel.com>
To:     Thomas Gleixner <tglx@linutronix.de>,
        LKML <linux-kernel@vger.kernel.org>
CC:     "x86@kernel.org" <x86@kernel.org>, Joerg Roedel <joro@8bytes.org>,
        "Will Deacon" <will@kernel.org>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        "Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
        Marc Zyngier <maz@kernel.org>,
        "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
        Jason Gunthorpe <jgg@mellanox.com>,
        "Jiang, Dave" <dave.jiang@intel.com>,
        Alex Williamson <alex.williamson@redhat.com>,
        "Williams, Dan J" <dan.j.williams@intel.com>,
        Logan Gunthorpe <logang@deltatee.com>,
        "Raj, Ashok" <ashok.raj@intel.com>, Jon Mason <jdmason@kudzu.us>,
        Allen Hubbe <allenbh@gmail.com>
Subject: RE: [patch V2 31/33] iommu/vt-d: Enable PCI/IMS
Thread-Topic: [patch V2 31/33] iommu/vt-d: Enable PCI/IMS
Thread-Index: AQHY/bbwPG3EDS6e702OjDPxfqJk365NXjKQ
Date:   Thu, 24 Nov 2022 03:17:02 +0000
Message-ID: <BN9PR11MB527650A018BE7BF422BDA2F58C0F9@BN9PR11MB5276.namprd11.prod.outlook.com>
References: <20221121083657.157152924@linutronix.de>
 <20221121091328.184455059@linutronix.de>
In-Reply-To: <20221121091328.184455059@linutronix.de>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?utf-8?B?aTk3SUtGdDlQaVVoVlYyaEFDZk1PR29zVkliUzljMUY5WlQ0OTRUS29hN0lT?=
 =?utf-8?B?QnZMZ054bEZwMTNQYnFnZ0Z3cENVWnk5c2tVeGZvRThqK2FyMmpmRk85RU5Y?=
 =?utf-8?B?SitIWUt0MnNlWW1mYnBwdGhDdzRTWkZvazVIazU0enBoUXJaV0c2RlFNZVda?=
 =?utf-8?B?czA5alNZNlRmT01WMGEzd3NycmFLYUU0MFRCaG9sa0Z4TDdURTFGT1BrckVa?=
 =?utf-8?B?ODZqdFlwQktkMUR3YW5GZFdqemdYd3FLNDJMVXp3UzZXQmgxb1RLMHJyWXFM?=
 =?utf-8?B?RHcxVFBpRGNXOEZ4Z2ZLWnh1RmNUbzZhQ054d0NwanhhMmoxL1JBL01wOHZW?=
 =?utf-8?B?WlFTWENVaTN6WGg1WUVucWVuSXZuVkZVUnAwS21jL0NoN0hTWDkwTkF3TW51?=
 =?utf-8?B?UVUxTno2ZmlpY1NRTS9OOFpNWHUxYlliNU11YTBCaWxZRkJ3YnVXTVFaVG5I?=
 =?utf-8?B?UDBtcEM4YkQxQTcyZVExRlBBc1JkN2NXbE93YS9weWlITnZFRFgxQ3grTXQ5?=
 =?utf-8?B?ZTJENXRTejNpTzBpUlBHSVk5dTNJdzJyU21mSU5xNUVJcDJOcXo5RnFTd2ti?=
 =?utf-8?B?cVhNQzQybUZkZFBWRW4zUnd6cUhxWGgva05TUE1ta2VRdUlHQ1QyRXpNSE5O?=
 =?utf-8?B?U0p3WkFPN0dSbm5qNTRmQXZpYUF3VnJwMGl2KzBJMFZwQ3hnMG1vdzZ0UDR1?=
 =?utf-8?B?NmxtcFhtQjA3STgrTmhDMkVBYnMzWk1td3NIQkZpTVRZS1FKelR6N3orSElq?=
 =?utf-8?B?Ry9nR3NLOEsvYURRV1BadXFYTUhlMHJTaUVkMGN0MTlZNWczMkYrZ28xV1RM?=
 =?utf-8?B?bUhMVFNEdm1jUW01aG9vRnFmSFNsK1lnTHFUVmRsUm56S1NjRFZuc1N1a0hO?=
 =?utf-8?B?R2lxcVVSdjdmRHpHOHh5SGxSL05FczFtZWJJNHVoT2N1WWxNcWVyTCtOQWNW?=
 =?utf-8?B?TW1ZMXc0cVU2MWtFaFJGYW9YcEd5dFVjeEN5K3VPWVFmSG5oczZBQXRlaE5x?=
 =?utf-8?B?Q0swcWUzSXQ2NW5VNHZwc205ZURTNW0wRUpWaXBja0ZRNEd0MjNFTHBTdDNO?=
 =?utf-8?B?Sm9CWVBTc3U4b3BsbFF2dVo3VnYxTEdqN1lKNmsxQ1Z4NFJaZHQwT1hkekIw?=
 =?utf-8?B?eHVmUkdRTEVZQ3g0UC9lWDZqaUZhZTJVMWNLR0FqcUw3dE1wWkR6SFQ1dVZE?=
 =?utf-8?B?ck9oOUlYK01kaHpjMHJqY21PeTNpdkNuZ0VOSmdGN1k4enBrTFJWUlFJbmZ0?=
 =?utf-8?B?SEl4aGNHa0VBYjA3SDN4TUlkVnBOWDRVZnhrSjJKWmZzd0tHNEZPL2lPT2M0?=
 =?utf-8?B?TjJ1ZmpNYjJSbzhNOUpVNnRaQmZZK0JIYkVLSENlUVBrMlVvZGJFN1BYT203?=
 =?utf-8?B?Q1NnU2lEQ1dBb1EveC9lTUp3SzdvM2NrZnZ5eEVHNWtoRlA4d1hlUHdMdmJT?=
 =?utf-8?B?Zk00bmhnZWp5WU1sb2tQY3BGTjlWTE1BVU9ONXVucWplQVQ1RnR2U3JYc3RW?=
 =?utf-8?B?MXlDQWxycU1nN2FnY01ERytsZUZBZ3BmZzQwa1QvUE81eVd0RVcwbHVpOE56?=
 =?utf-8?B?YXI3Z3RWZDhOaTlBUm1vRnE4S29QZWZ5dERScjV5TVgxeWt3bVhLNXhWeTQ1?=
 =?utf-8?B?emlKVXJzTXhNdVNSNlNtK0FpWXJBeERSWklxMTEwUzhlbzJ6MCtOTXFTcDJU?=
 =?utf-8?B?SDVPQVErKzIzY3hUc25lSTZLSTN6UEV5dks2V0ora0h0eWREZWhjUDlDOWdq?=
 =?utf-8?B?MWorU0JsdjBRcFJ6WUpQQ0o1MlBLTGRqV0dPZW1EaDhqZjN6WHdNOVdDZzJy?=
 =?utf-8?B?RmpxYVU1dGlZWE0vSVdud3B6b2hZOThvSjFyZ1NwRk1OQm9iakREdHVRd1hK?=
 =?utf-8?B?ZXQxSjBvc3Y1VUZHNjlSVjVMR1pJMEZFVnh4YS9VeW50WWpGWEcyZERvQ0xo?=
 =?utf-8?B?Y1N2Q2I4K2d6TnlDS3lrYzZEQVNNU0hLQW45R09kbXpqSkk2OFAzWVFXdFJt?=
 =?utf-8?B?NWlyVnlzUjRndU1TVWZTMWRYcXE4S0o5THpLamsydjhWYi8zZElrSHpzemZk?=
 =?utf-8?B?M1I2RGR6QjF0Z1JaTzhoZjlIWjJacHdncjZWRnlWbkhXUW9wMEtoTUJwK3RL?=
 =?utf-8?Q?2ZS0CFp4MmqwGvHxhwTtrYsH4?=
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: BN9PR11MB5276.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 07eec75e-c7a2-4d23-ce78-08dacdca5b40
X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Nov 2022 03:17:02.3783
 (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: whct2fTTOt6kYAXVfiA3wZ7gtN5/ZvryJwy3TCJ0W8gZQl98Gp25OXfB9lrmpgR/wBjmuVvh4459LQgobDCHxw==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR11MB5967
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 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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