Received-SPF: pass (google.com: domain of linux-kernel+bounces-142420-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161;
From: "Tian, Kevin" <kevin.tian@intel.com>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>, LKML
	<linux-kernel@vger.kernel.org>, X86 Kernel <x86@kernel.org>, Peter Zijlstra
	<peterz@infradead.org>, "iommu@lists.linux.dev" <iommu@lists.linux.dev>,
	Thomas Gleixner <tglx@linutronix.de>, Lu Baolu <baolu.lu@linux.intel.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>, "Hansen, Dave"
	<dave.hansen@intel.com>, Joerg Roedel <joro@8bytes.org>, "H. Peter Anvin"
	<hpa@zytor.com>, Borislav Petkov <bp@alien8.de>, Ingo Molnar
	<mingo@redhat.com>
CC: "Luse, Paul E" <paul.e.luse@intel.com>, "Williams, Dan J"
	<dan.j.williams@intel.com>, Jens Axboe <axboe@kernel.dk>, "Raj, Ashok"
	<ashok.raj@intel.com>, "maz@kernel.org" <maz@kernel.org>, "seanjc@google.com"
	<seanjc@google.com>, Robin Murphy <robin.murphy@arm.com>,
	"jim.harris@samsung.com" <jim.harris@samsung.com>, "a.manzanares@samsung.com"
	<a.manzanares@samsung.com>, Bjorn Helgaas <helgaas@kernel.org>, "Zeng, Guang"
	<guang.zeng@intel.com>, "robert.hoo.linux@gmail.com"
	<robert.hoo.linux@gmail.com>
Subject: RE: [PATCH v2 12/13] iommu/vt-d: Add an irq_chip for posted MSIs
Thread-Topic: [PATCH v2 12/13] iommu/vt-d: Add an irq_chip for posted MSIs
Thread-Index: AQHah6hhsNvQeu6NdkOEy+me8PzsJrFkaSAg
Date: Fri, 12 Apr 2024 09:36:10 +0000
Message-ID: <BN9PR11MB5276051CAD86374C666ACFD48C042@BN9PR11MB5276.namprd11.prod.outlook.com>
References: <20240405223110.1609888-1-jacob.jun.pan@linux.intel.com>
 <20240405223110.1609888-13-jacob.jun.pan@linux.intel.com>
In-Reply-To: <20240405223110.1609888-13-jacob.jun.pan@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?TlVYbjRicVltY0lIdWZlT3ppTnFqcExIV1hGZkcvTkhLYVFFZEN5bGkrRUV4?=
 =?utf-8?B?UDI1WVZ5WmpWYll4MmNUSk83MkEwbGNLeFllZXF0RkxwWVNjcm5CTGErSEFn?=
 =?utf-8?B?TzNNaWtKM2RRZTB5MHhiTkdrMHFPZ2lRc3NKcjdEMEQ3YTM3Uk1pRXNIVElU?=
 =?utf-8?B?WDVTTzY4MWFKMlZTMXhCZm1RRWVtWUhmOEc2b2JCVitSZGFDMFg4MlVZSzd0?=
 =?utf-8?B?T25qUkI2Q1hHM3drUDcwbGZVd3JzN2NPTHAzcVZENHRWdThuazBaVG9VY01Q?=
 =?utf-8?B?c0ZUM1VTTFBGSDJySlJaR1BvZDFqRFdyYS8zV1J4N1FsaFdSRmJlQk9pclJV?=
 =?utf-8?B?Q2lFUXJ2b1VoQjZDUUppeXFHcE5jTHpORzRWZXUvRGwyRWplUmEvck10TVJv?=
 =?utf-8?B?R3JLK2JyOXB0aHlxVTludGpKMkt2bkN3Y2IvTE5ocE1wM2EvVnRZSDIyRDRV?=
 =?utf-8?B?R25qcC9VTURpTEFKYlBQT1E5ZU13RmVqcDgzc2RFT0kzYnN4NWdyUURwL2JV?=
 =?utf-8?B?bWdkUEg2VDJwc2VpRFJ2cmVFZnUyTjJmdnZEbVhISytXakYzM0FOY0N6Y2gy?=
 =?utf-8?B?b2ZtWFpNR2hKelFHQ1Z2QVNZdENNQnlEWnRuRk9XOHcxbDN6Z0JSSHZVV2xl?=
 =?utf-8?B?bmpvN0pGUXU5b3psais1Wkk4eS9JVHNDY3RSNE1mZlptSzcwaG9TWkFvNkFR?=
 =?utf-8?B?MjZJS00yU25pTVg4TDJ6LzRIUGhmeTlrNkFXbEF5bkVPclg1bjdaMkxmYnc1?=
 =?utf-8?B?TFpRcU1hT3FPZDhydnFpcFkvYk1qb2FWVFdhbFd2TjNpTVNtVlZNL1d4NU9S?=
 =?utf-8?B?bjZUSnFXLzY2UXJHV2VrZDNuTDFSZGpoWGJSWHNmUUFSazEzeGVlUHViOG1o?=
 =?utf-8?B?U1NGRDdBU01iZENFQTB2STRDK09yTzhjOVJFdm5RZklsaGljK1c1TXVLM3U0?=
 =?utf-8?B?SVZoVCt4VWxyMVJDeGJLWHIyOGovNDhuWTRMZkVpUWMrL2UwYWM2TjRISXRu?=
 =?utf-8?B?RFZFbTZlaGRwK2tiMHZaTjJOMDZvTDRrbTNXa2phcG12MXc0VTMxa1MwWXBY?=
 =?utf-8?B?Mlg4TENvTEdhS0EvVVh3VFBqOTVzWFhUNDVDZUUzT0d1U1pibzF0MmRGcFZ4?=
 =?utf-8?B?WnJUU0FOOHFqSDAvZnB2NGsvWWNCU2pMS2x0b0NJWWIrWVBkKzB0Tko4MzNN?=
 =?utf-8?B?Ky9hcW8zV3lTczV3OXdDcEEyVkhGcXhsTFJTSU9GME13S1VmMFJhdUk2T3Zp?=
 =?utf-8?B?R2JMcjF1bk5iT1ZtRlRxb2RYcGltcm9ZNWRGdTVteFlHVjlmZDVQOWVpc2hN?=
 =?utf-8?B?Q3VGS3BZd0xieXlnb2xzYnh3dEttTitVWWFZeE9mY3RxNHR1ODR1WjlEMTVQ?=
 =?utf-8?B?R3VBWTVuQUo1T2ZCNUlDVzF3NzVWc3dMeG1YS1BNdCs5ZEVtQ3ZWZHEwa0Zk?=
 =?utf-8?B?cUNUNkdVV1lmM0VtS1VIdk5mblNTYmVxajdpbUYxc2tvS25lQm9tclhLemxV?=
 =?utf-8?B?VTBoTENBRzYwTkRqVjF0Mi9MOTY4eno0UFVKMVFJdUY4WDRwc1ltSk96cTZs?=
 =?utf-8?B?azV5RExuN3lhMjBuUmZBVW5OVkh0TWVibXdDL3hOajZLY3hCWHFWSlF1Z1FN?=
 =?utf-8?B?UStEQzNNOFova0ZkVTBKN2dnUVZyakpzdVUrU0cyOVl3ZlVNOERxSC9wUGxN?=
 =?utf-8?B?WFozUGhYaGcvM1ZuNDQxNVgzWWNjSFZQM2l1U25qZzU5L2o1aWRreVFsS1U2?=
 =?utf-8?B?TEMwOGxtMU04RE5qOU1ycUIzdzFJaENzbnZ5UDRObE40ZEFLNWRIU3dYeGJh?=
 =?utf-8?B?MzFlSnd5Sm92b2ZZenJ0REMvUVpnbHk1WnVEUk9CNGhoYU90U0JPUWFMZ0hu?=
 =?utf-8?B?eEdET1Q4cmtMZnZGeWhrblo2bG9uOENLQkV2MzMvdGh3bm9aeHhMczAzckpQ?=
 =?utf-8?B?VDZCV0MzVi9KR2R2OUdMM1dJZHlsbUlQSjdXdWJUdUt1Rm5Hajd0M002eE5y?=
 =?utf-8?B?ZzVrYzFmZU8zM1VGK3JvRVlXbGhTN29UOE1GazB3SmFRQ3lQa1M2b1hrelVX?=
 =?utf-8?B?YVZob0FteitwUkgyMCs0aDZKY1FuN3BOL0hISFNnbHhHeWd2cjk4dTFIL3Ny?=
 =?utf-8?Q?Xa/RjZ00qEzkjydTD7AGipXLW?=
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-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: BN9PR11MB5276.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 929f3bd8-08cc-4378-4ebb-08dc5ad3fcb2
X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Apr 2024 09:36:10.3771
 (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: PucEgYpiuOZEqTGzGL3p67q0s8oK4e98a3XpzEb+quPDsLX9YU+/3qflWQFUI/iPdRBbLviixFnqqF4TpPK/CA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR11MB5012
X-OriginatorOrg: intel.com
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