Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72730C433EF for ; Fri, 3 Dec 2021 03:03:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378360AbhLCDHD (ORCPT ); Thu, 2 Dec 2021 22:07:03 -0500 Received: from szxga01-in.huawei.com ([45.249.212.187]:15690 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239667AbhLCDHB (ORCPT ); Thu, 2 Dec 2021 22:07:01 -0500 Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4J4yJ42NjvzZdNW; Fri, 3 Dec 2021 11:00:52 +0800 (CST) Received: from dggpemm100005.china.huawei.com (7.185.36.231) by dggpemm500021.china.huawei.com (7.185.36.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Fri, 3 Dec 2021 11:03:36 +0800 Received: from dggpeml100016.china.huawei.com (7.185.36.216) by dggpemm100005.china.huawei.com (7.185.36.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Fri, 3 Dec 2021 11:03:35 +0800 Received: from dggpeml100016.china.huawei.com ([7.185.36.216]) by dggpeml100016.china.huawei.com ([7.185.36.216]) with mapi id 15.01.2308.020; Fri, 3 Dec 2021 11:03:35 +0800 From: "Longpeng (Mike, Cloud Infrastructure Service Product Dept.)" To: Christian Borntraeger , "pbonzini@redhat.com" CC: "cornelia.huck@de.ibm.com" , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Gonglei (Arei)" Subject: RE: [PATCH] kvm/eventfd: fix the misleading comment in kvm_irqfd_assign Thread-Topic: [PATCH] kvm/eventfd: fix the misleading comment in kvm_irqfd_assign Thread-Index: AQHX5NNH1Leb7fxkY0SkUYfU1jQEjawaOSSAgAXTy/A= Date: Fri, 3 Dec 2021 03:03:35 +0000 Message-ID: <5c5f0f0982df4fc6a858f8e095c4eaa5@huawei.com> References: <20211129034328.1604-1-longpeng2@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: [10.174.148.223] 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 DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogQ2hyaXN0aWFuIEJvcm50 cmFlZ2VyIFttYWlsdG86Ym9ybnRyYWVnZXJAbGludXguaWJtLmNvbV0NCj4gU2VudDogVHVlc2Rh eSwgTm92ZW1iZXIgMzAsIDIwMjEgMToxNCBBTQ0KPiBUbzogTG9uZ3BlbmcgKE1pa2UsIENsb3Vk IEluZnJhc3RydWN0dXJlIFNlcnZpY2UgUHJvZHVjdCBEZXB0LikNCj4gPGxvbmdwZW5nMkBodWF3 ZWkuY29tPjsgcGJvbnppbmlAcmVkaGF0LmNvbQ0KPiBDYzogY29ybmVsaWEuaHVja0BkZS5pYm0u Y29tOyBrdm1Admdlci5rZXJuZWwub3JnOw0KPiBsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3Jn OyBHb25nbGVpIChBcmVpKSA8YXJlaS5nb25nbGVpQGh1YXdlaS5jb20+DQo+IFN1YmplY3Q6IFJl OiBbUEFUQ0hdIGt2bS9ldmVudGZkOiBmaXggdGhlIG1pc2xlYWRpbmcgY29tbWVudCBpbiBrdm1f aXJxZmRfYXNzaWduDQo+IA0KPiANCj4gDQo+IEFtIDI5LjExLjIxIHVtIDA0OjQzIHNjaHJpZWIg TG9uZ3BlbmcoTWlrZSk6DQo+ID4gRnJvbTogTG9uZ3BlbmcgPGxvbmdwZW5nMkBodWF3ZWkuY29t Pg0KPiA+DQo+ID4gVGhlIGNvbW1lbnQgYWJvdmUgdGhlIGludm9jYXRpb24gb2YgdmZzX3BvbGwo KSBpcyBtaXNsZWFkaW5nLCBtb3ZlDQo+ID4gaXQgdG8gdGhlIHJpZ2h0IHBsYWNlLg0KPiA+DQo+ IEkgdGhpbmsgdGhhdCB0aGUgY3VycmVudCB2YXJpYW50IGlzIGJldHRlci4NCj4gZXZlbnRzIGlz IG9ubHkgdXNlZCBpbiB0aGF0IGZ1bmN0aW9uIHRvIGNoZWNrIGZvciBFUE9MTElOLCBzbyB0aGUN Cj4gYXNzaWdubWVudCBhbmQgdGhlIGlmIGJlbG9uZyB0b2dldGhlciBmcm9tIGEgIndoYXQgYW0g SSBkb2luZyBoZXJlIiBwZXJzcGVjdGl2ZS4NCj4gDQoNCkhpIENocmlzdGlhbiwNCg0KSSB0aGlu ayB0aGF0IGFkZCB0aGUgaXJxZmQtPndhaXQgdG8gdGhlIGZpbGUncyB3YWl0IHF1ZXVlIGlzIG11 Y2ggbW9yZQ0KaW1wb3J0YW50LCB0aGUgY3VycmVudCB2YXJpYW50IG1heSBsZWFkIHRvIGlnbm9y aW5nIGl0Lg0KDQpCb3RoIG9mIHRoZXNlIHR3byB2YXJpYW50cyBhcmUgc3VwcG9ydGVkIGluIHRo ZSBjdXJyZW50IGtlcm5lbDoNCg0KWzFdIGh0dHBzOi8vZWxpeGlyLmJvb3RsaW4uY29tL2xpbnV4 L2xhdGVzdC9zb3VyY2UvZHJpdmVycy92ZmlvL3ZpcnFmZC5jI0wxNjkNCmBgYA0KCWV2ZW50cyA9 IHZmc19wb2xsKGlycWZkLmZpbGUsICZ2aXJxZmQtPnB0KTsNCg0KCS8qDQoJICogQ2hlY2sgaWYg dGhlcmUgd2FzIGFuIGV2ZW50IGFscmVhZHkgcGVuZGluZyBvbiB0aGUgZXZlbnRmZA0KCSAqIGJl Zm9yZSB3ZSByZWdpc3RlcmVkIGFuZCB0cmlnZ2VyIGl0IGFzIGlmIHdlIGRpZG4ndCBtaXNzIGl0 Lg0KCSAqLw0KCWlmIChldmVudHMgJiBFUE9MTElOKSB7DQoJCWlmICgoIWhhbmRsZXIgfHwgaGFu ZGxlcihvcGFxdWUsIGRhdGEpKSAmJiB0aHJlYWQpDQoJCQlzY2hlZHVsZV93b3JrKCZ2aXJxZmQt PmluamVjdCk7DQoJfQ0KYGBgDQoNClsyXSBodHRwczovL2VsaXhpci5ib290bGluLmNvbS9saW51 eC9sYXRlc3Qvc291cmNlL2RyaXZlcnMvdmlydC9hY3JuL2lycWZkLmMjTDE2MQ0KYGBgDQoJLyog Q2hlY2sgdGhlIHBlbmRpbmcgZXZlbnQgaW4gdGhpcyBzdGFnZSAqLw0KCWV2ZW50cyA9IHZmc19w b2xsKGYuZmlsZSwgJmlycWZkLT5wdCk7DQoNCglpZiAoZXZlbnRzICYgRVBPTExJTikNCgkJYWNy bl9pcnFmZF9pbmplY3QoaXJxZmQpOw0KYGBgDQoNClNpbmNlIHRoZXJlJ3Mgbm8gYW55IGNvZGUg Y2hhbmdlcywgSSBhZ3JlZSB0byBkcm9wIHRoaXMgdW5tZWFuaW5nIGNoYW5nZS4NCg0KVGhhbmtz Lg0KDQo+ID4gRml4ZXM6IDY4NGEwYjcxOWRkYiAoIktWTTogZXZlbnRmZDogRml4IGxvY2sgb3Jk ZXIgaW52ZXJzaW9uIikNCj4gPiBTaWduZWQtb2ZmLWJ5OiBMb25ncGVuZyA8bG9uZ3BlbmcyQGh1 YXdlaS5jb20+DQo+ID4gLS0tDQo+ID4gICB2aXJ0L2t2bS9ldmVudGZkLmMgfCA0ICsrLS0NCj4g PiAgIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pDQo+ID4N Cj4gPiBkaWZmIC0tZ2l0IGEvdmlydC9rdm0vZXZlbnRmZC5jIGIvdmlydC9rdm0vZXZlbnRmZC5j DQo+ID4gaW5kZXggMmFkMDEzYi4uY2QwMTgxNCAxMDA2NDQNCj4gPiAtLS0gYS92aXJ0L2t2bS9l dmVudGZkLmMNCj4gPiArKysgYi92aXJ0L2t2bS9ldmVudGZkLmMNCj4gPiBAQCAtNDA2LDEyICs0 MDYsMTIgQEAgYm9vbCBfX2F0dHJpYnV0ZV9fKCh3ZWFrKSkNCj4ga3ZtX2FyY2hfaXJxZmRfcm91 dGVfY2hhbmdlZCgNCj4gPg0KPiA+ICAgCXNwaW5fdW5sb2NrX2lycSgma3ZtLT5pcnFmZHMubG9j ayk7DQo+ID4NCj4gPiArCWV2ZW50cyA9IHZmc19wb2xsKGYuZmlsZSwgJmlycWZkLT5wdCk7DQo+ ID4gKw0KPiA+ICAgCS8qDQo+ID4gICAJICogQ2hlY2sgaWYgdGhlcmUgd2FzIGFuIGV2ZW50IGFs cmVhZHkgcGVuZGluZyBvbiB0aGUgZXZlbnRmZA0KPiA+ICAgCSAqIGJlZm9yZSB3ZSByZWdpc3Rl cmVkLCBhbmQgdHJpZ2dlciBpdCBhcyBpZiB3ZSBkaWRuJ3QgbWlzcyBpdC4NCj4gPiAgIAkgKi8N Cj4gPiAtCWV2ZW50cyA9IHZmc19wb2xsKGYuZmlsZSwgJmlycWZkLT5wdCk7DQo+ID4gLQ0KPiA+ ICAgCWlmIChldmVudHMgJiBFUE9MTElOKQ0KPiA+ICAgCQlzY2hlZHVsZV93b3JrKCZpcnFmZC0+ aW5qZWN0KTsNCj4gPg0K