From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33F7DC433E0 for ; Wed, 17 Mar 2021 09:36:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 05B8464F37 for ; Wed, 17 Mar 2021 09:36:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229472AbhCQJf7 (ORCPT ); Wed, 17 Mar 2021 05:35:59 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:3470 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229506AbhCQJf6 (ORCPT ); Wed, 17 Mar 2021 05:35:58 -0400 Received: from DGGEMM401-HUB.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4F0lN81yZtz5dXG; Wed, 17 Mar 2021 17:34:00 +0800 (CST) Received: from dggpemm100009.china.huawei.com (7.185.36.113) by DGGEMM401-HUB.china.huawei.com (10.3.20.209) with Microsoft SMTP Server (TLS) id 14.3.498.0; Wed, 17 Mar 2021 17:35:51 +0800 Received: from dggpeml500016.china.huawei.com (7.185.36.70) by dggpemm100009.china.huawei.com (7.185.36.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Wed, 17 Mar 2021 17:35:51 +0800 Received: from dggpeml500016.china.huawei.com ([7.185.36.70]) by dggpeml500016.china.huawei.com ([7.185.36.70]) with mapi id 15.01.2106.013; Wed, 17 Mar 2021 17:35:51 +0800 From: "Longpeng (Mike, Cloud Infrastructure Service Product Dept.)" 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