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To: Nadav Amit CC: David Woodhouse , Lu Baolu , Joerg Roedel , "will@kernel.org" , "alex.williamson@redhat.com" , chenjiashang , "iommu@lists.linux-foundation.org" , "Gonglei (Arei)" , LKML Subject: =?utf-8?B?UkU6IEEgcHJvYmxlbSBvZiBJbnRlbCBJT01NVSBoYXJkd2FyZSDvvJ8=?= Thread-Topic: =?utf-8?B?QSBwcm9ibGVtIG9mIEludGVsIElPTU1VIGhhcmR3YXJlIO+8nw==?= Thread-Index: AQHXGtwEduPlUZeCNUCbiy3s/+KwAaqHJckAgADDZTA= Date: Wed, 17 Mar 2021 09:35:51 +0000 Message-ID: <6a218e7fe42d41489d02f0b4e3ad2756@huawei.com> References: <670baaf8-4ff8-4e84-4be3-030b95ab5a5e@huawei.com> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.151.207] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgTmFkYXYsDQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogTmFkYXYg QW1pdCBbbWFpbHRvOm5hZGF2LmFtaXRAZ21haWwuY29tXQ0KPiBTZW50OiBXZWRuZXNkYXksIE1h cmNoIDE3LCAyMDIxIDE6NDYgUE0NCj4gVG86IExvbmdwZW5nIChNaWtlLCBDbG91ZCBJbmZyYXN0 cnVjdHVyZSBTZXJ2aWNlIFByb2R1Y3QgRGVwdC4pDQo+IDxsb25ncGVuZzJAaHVhd2VpLmNvbT4N Cj4gQ2M6IERhdmlkIFdvb2Rob3VzZSA8ZHdtdzJAaW5mcmFkZWFkLm9yZz47IEx1IEJhb2x1DQo+ IDxiYW9sdS5sdUBsaW51eC5pbnRlbC5jb20+OyBKb2VyZyBSb2VkZWwgPGpvcm9AOGJ5dGVzLm9y Zz47IHdpbGxAa2VybmVsLm9yZzsNCj4gYWxleC53aWxsaWFtc29uQHJlZGhhdC5jb207IGNoZW5q aWFzaGFuZyA8Y2hlbmppYXNoYW5nQGh1YXdlaS5jb20+Ow0KPiBpb21tdUBsaXN0cy5saW51eC1m b3VuZGF0aW9uLm9yZzsgR29uZ2xlaSAoQXJlaSkgPGFyZWkuZ29uZ2xlaUBodWF3ZWkuY29tPjsN Cj4gTEtNTCA8bGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZz4NCj4gU3ViamVjdDogUmU6IEEg cHJvYmxlbSBvZiBJbnRlbCBJT01NVSBoYXJkd2FyZSDvvJ8NCj4gDQo+IA0KPiANCj4gPiBPbiBN YXIgMTYsIDIwMjEsIGF0IDg6MTYgUE0sIExvbmdwZW5nIChNaWtlLCBDbG91ZCBJbmZyYXN0cnVj dHVyZSBTZXJ2aWNlDQo+IFByb2R1Y3QgRGVwdC4pIDxsb25ncGVuZzJAaHVhd2VpLmNvbT4gd3Jv dGU6DQo+ID4NCj4gPiBIaSBndXlzLA0KPiA+DQo+ID4gV2UgZmluZCB0aGUgSW50ZWwgaW9tbXUg Y2FjaGUgKGkuZS4gaW90bGIpIG1heWJlIHdvcmtzIHdyb25nIGluIGENCj4gPiBzcGVjaWFsIHNp dHVhdGlvbiwgaXQgd291bGQgY2F1c2UgRE1BIGZhaWxzIG9yIGdldCB3cm9uZyBkYXRhLg0KPiA+ DQo+ID4gVGhlIHJlcHJvZHVjZXIgKGJhc2VkIG9uIEFsZXgncyB2ZmlvIHRlc3RzdWl0ZVsxXSkg aXMgaW4gYXR0YWNobWVudCwNCj4gPiBpdCBjYW4gcmVwcm9kdWNlIHRoZSBwcm9ibGVtIHdpdGgg aGlnaCBwcm9iYWJpbGl0eSAofjUwJSkuDQo+IA0KPiBJIHNhdyBMdSByZXBsaWVkLCBhbmQgaGUg aXMgbXVjaCBtb3JlIGtub3dsZWRnYWJsZSB0aGFuIEkgYW0gKEkgd2FzIGp1c3QgaW50cmlndWVk DQo+IGJ5IHlvdXIgZW1haWwpLg0KPiANCj4gSG93ZXZlciwgaWYgSSB3ZXJlIHlvdSBJIHdvdWxk IHRyeSBhbHNvIHRvIHJlbW92ZSBzb21lIOKAnG9wdGltaXphdGlvbnPigJ0gdG8gbG9vayBmb3IN Cj4gdGhlIHJvb3QtY2F1c2UgKGUuZy4sIHVzZSBkb21haW4gc3BlY2lmaWMgaW52YWxpZGF0aW9u cyBpbnN0ZWFkIG9mIHBhZ2Utc3BlY2lmaWMpLg0KPiANCg0KR29vZCBzdWdnZXN0aW9uISBCdXQg d2UgZGlkIGl0IHRoZXNlIGRheXMsIHdlIHRyaWVkIHRvIHVzZSBnbG9iYWwgaW52YWxpZGF0aW9u cyBhcyBmb2xsb3c6DQoJCWlvbW11LT5mbHVzaC5mbHVzaF9pb3RsYihpb21tdSwgZGlkLCAwLCAw LA0KCQkJCQkJRE1BX1RMQl9EU0lfRkxVU0gpOw0KQnV0IGNhbiBub3QgcmVzb2x2ZSB0aGUgcHJv YmxlbS4NCg0KPiBUaGUgZmlyc3QgdGhpbmcgdGhhdCBjb21lcyB0byBteSBtaW5kIGlzIHRoZSBp bnZhbGlkYXRpb24gaGludCAoaWgpIGluDQo+IGlvbW11X2ZsdXNoX2lvdGxiX3BzaSgpLiBJIHdv dWxkIHJlbW92ZSBpdCB0byBzZWUgd2hldGhlciB5b3UgZ2V0IHRoZSBmYWlsdXJlDQo+IHdpdGhv dXQgaXQuDQoNCldlIGFsc28gbm90aWNlIHRoZSBJSCwgYnV0IHRoZSBJSCBpcyBhbHdheXMgWkVS TyBpbiBvdXIgY2FzZSwgYXMgdGhlIHNwZWMgc2F5czoNCicnJw0KUGFnaW5nLXN0cnVjdHVyZS1j YWNoZSBlbnRyaWVzIGNhY2hpbmcgc2Vjb25kLWxldmVsIG1hcHBpbmdzIGFzc29jaWF0ZWQgd2l0 aCB0aGUgc3BlY2lmaWVkDQpkb21haW4taWQgYW5kIHRoZSBzZWNvbmQtbGV2ZWwtaW5wdXQtYWRk cmVzcyByYW5nZSBhcmUgaW52YWxpZGF0ZWQsIGlmIHRoZSBJbnZhbGlkYXRpb24gSGludA0KKElI KSBmaWVsZCBpcyBDbGVhci4NCicnJw0KDQpJdCBzZWVtcyB0aGUgc29mdHdhcmUgaXMgZXZlcnl0 aGluZyBmaW5lLCBzbyB3ZSd2ZSBubyBjaG9pY2UgYnV0IHRvIHN1c3BlY3QgdGhlIGhhcmR3YXJl Lg0K