Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32;
From:   "Tian, Kevin" <kevin.tian@intel.com>
To:     Baolu Lu <baolu.lu@linux.intel.com>,
        Jason Gunthorpe <jgg@ziepe.ca>,
        "Joel Granados" <j.granados@samsung.com>
CC:     Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
        "Robin Murphy" <robin.murphy@arm.com>,
        Jean-Philippe Brucker <jean-philippe@linaro.org>,
        Nicolin Chen <nicolinc@nvidia.com>,
        "Liu, Yi L" <yi.l.liu@intel.com>,
        Jacob Pan <jacob.jun.pan@linux.intel.com>,
        "iommu@lists.linux.dev" <iommu@lists.linux.dev>,
        "linux-kselftest@vger.kernel.org" <linux-kselftest@vger.kernel.org>,
        "virtualization@lists.linux-foundation.org" 
        <virtualization@lists.linux-foundation.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v2 3/6] iommufd: Initializing and releasing IO page fault
 data
Thread-Topic: [PATCH v2 3/6] iommufd: Initializing and releasing IO page fault
 data
Thread-Index: AQHaB7eoBnsb/TFsKEmSuvUKAqg6cLCl6Z8AgAARUwCAAMcfgIAAAhug
Date:   Wed, 13 Dec 2023 02:15:28 +0000
Message-ID: <BN9PR11MB52761698732F1899E65DE5A38C8DA@BN9PR11MB5276.namprd11.prod.outlook.com>
References: <20231026024930.382898-1-baolu.lu@linux.intel.com>
 <20231026024930.382898-4-baolu.lu@linux.intel.com>
 <CGME20231212131010eucas1p104d069ac6d6c97fce4987caa62c996ee@eucas1p1.samsung.com>
 <20231212131008.k6s5xwjgolp6geps@localhost>
 <20231212141208.GA3013885@ziepe.ca>
 <276597d0-9947-44f1-a6b9-16d245394b22@linux.intel.com>
In-Reply-To: <276597d0-9947-44f1-a6b9-16d245394b22@linux.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?MDBJUnZTUkJ2d2wwbFA2ek96TkFMeUhQNGtMOUVGVys2WDJ2emw1Mzg4ekxI?=
 =?utf-8?B?RHIrN1MrQjJGeUh6UmdDSDM0aDNqMEFWc3RWTlZpclZVRlBHTmNWLzVaaVA1?=
 =?utf-8?B?MGFMcHhNcUIrUXdadDU4SDNCeUxCT0VISkp6N2t5d293dDRzQTRaZVkzU3Jt?=
 =?utf-8?B?ZWFIK3REK2VtYWxmYVhrSFJaOXhJOEhGQzlCQmxxTFgvTEFPNW9KWmhyZ0Vi?=
 =?utf-8?B?elVDQ2dxS1FLQlVuVVdQdkRtNnNIWmxldlZCQ2xIQTA0ODk4cDRSMjlaTGI2?=
 =?utf-8?B?VkJacDNYS0owMll4MGZCT0xlUFVJeU9rSGdneGJtZ3ZMSzVYQ2g1eGVMMFph?=
 =?utf-8?B?ODl0bVJOZDh5THdlTDlWRFUxRWx6bGVzOWJHR3JaaTFQZ09XeW8vcHZORXM2?=
 =?utf-8?B?L0FCZE5xTWhGV1FJaU9BR3lwMTZVdE56NWsvbmdObHVDUFJuaTc3bzJvaWVI?=
 =?utf-8?B?M3NiY2NrUEp6d0dNSnVLbUtRSGZ4OEp2VHAzeEpjbkovQ1J3Z3VwMHJBQ2ZN?=
 =?utf-8?B?K1lVM2RzUHcvT01BMytOYkhETmM4N1JpbG4vVTNSdysvc04yU2hvRzArckpB?=
 =?utf-8?B?QUU4ajVFV2JuS1FJWUNLYXF0SlpRZW5tbUx5RHZrNE9FZEdXRW5UQVJ1SDNj?=
 =?utf-8?B?ZkhDclpJWDVhTk4rQnVhRXRZMFdIemgrNHQ2THlCdEFkeENkbU0zUUZ5S25V?=
 =?utf-8?B?RWhiSjJiZ0w3SzNkTGlPdzE3YlJuS0xqcklwblFFU3BWQkNPR29ZVE8vT2RM?=
 =?utf-8?B?NUNRZWYydHhkWXJvN0xPbldtMEF5U3RwSXJiazNxeWFJWlVISE1xMWJ6RGty?=
 =?utf-8?B?a0lwMUt0YlQ5dExjYXpla05Xb0pnMk9LT2E2SGlDSEJEL21pZ2ppZUROY2F6?=
 =?utf-8?B?d3k4dGI1aVA2S2xNcUhmUHhxUUNScW5Oak1wcGJJRmNmWjE4Z29jWlowTWxv?=
 =?utf-8?B?NFR1ekxIaWE5Z1YxMDV1Z09nVnRPVXBrcmM2M0drTXNEY3JpR3FGZFdJQU1S?=
 =?utf-8?B?ZmlFU3JFVE5nUkFkQmN4R0hEZTVadDBDU3RSYWh1dW81VXUvNnVwU3ZmZWZV?=
 =?utf-8?B?S0E3dWtldUptUnh1OU5COVFZRGdJcDE3SFRWVGo2SHgwc2xNQmUzV20yUUU4?=
 =?utf-8?B?cjVzblVPL3ZxUWU2d0twSGNmUlJrZS93VkhncmhGcGgyaUUvTENoSzNWNU1J?=
 =?utf-8?B?TnJLb3hZVC9FTG5ZWEN1UlJpd09uT3NvdTg0cU9QVGEvbTJ5TzlOU2xKVWZn?=
 =?utf-8?B?MnBXTXZRV2xnL0dvVTVPOXUxTWk4UG1DWWlXK1pSNWRoRlgvMktxRFAxMi9w?=
 =?utf-8?B?SWlDRW1MZzlab2hRSzI3cWhmRU9DUXNzcVdPM2dsSS9wNHFFNURuRU1nYzFl?=
 =?utf-8?B?Y1BqYlZaN1lCdy9HRnlsejBBTU14eW1JMUEvK3E1a1hqTnhERzRsOStqdEhv?=
 =?utf-8?B?dENmakFSS3h0UGY5YTF4RURobEN5K3hlMHl2a3dmVDZ2Nm96enF5VlNoZlJY?=
 =?utf-8?B?Zm0xMURxdjNOOXRoMjBuK3lRSGFFUVoxT2dVeFE1eis0UG8vZWtqVzR2M3Yx?=
 =?utf-8?B?bHJxWGNmTHdud2ZyaDFLNHJvUHR6b3J1TVpuN2JPMTA5L2c3TnpPMGh1NXdL?=
 =?utf-8?B?RXNTcU5FUlBweThOcU5IQmFzSzdQUEU3UXF6N0VnVGZURnAwTmxIUTIyRlVq?=
 =?utf-8?B?K2lNU0VnZHZBSUdVMnVMdXFXNHhGakpyYTE1SExuUHY1emw4bXVnUFVXOHht?=
 =?utf-8?B?b1FDbHdvL3hXRDhMR2JGcUo5RWI2UkJHV1NHTWFPb0FESWJQMDdpR2RTTXZu?=
 =?utf-8?B?OVFhSVZrdjlZQXFjZUR5eUt4NkV0WmZyWHhBMTJPVHMrZE9USEUycUVKQkJv?=
 =?utf-8?B?emRmeFBXRzRjcC9CZ1k4Tnc0emdsSHRIVGVaRTVPS3o4a25EL3FWeFlaN0U3?=
 =?utf-8?B?UnNCdEMvL00reEg0dTlVWk1FeWc2UURjOFVDbE1kem0yQ1BXbjRpNU1TNTN4?=
 =?utf-8?B?TUhua3poWE0wLy8wYlhsRVd6Rk50b21rYlNDOU41YS9BcGRmbm02Skl5N1VJ?=
 =?utf-8?B?SFk4MEErcUJQZnVad3VTM2FCdm0rbUxxNzlIV245TkxZYnUzaHFjUEF2VVN0?=
 =?utf-8?Q?dRE5eiYKE1rkYHEwA7CbsDpxA?=
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: f3b01d32-0ebc-4f07-2ee9-08dbfb815ff9
X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Dec 2023 02:15:28.2556
 (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: x7KFaxMNcYBiOZV/hAol75xyRa/3d1Yc9lybvZXc+IYMn5pBCIDMfXhC7RjhAwCCnfuM9mNw7vg51i9Shhy7ww==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR11MB8742
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 agentk.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 (agentk.vger.email [0.0.0.0]); Tue, 12 Dec 2023 18:15:41 -0800 (PST)
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