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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE878C433EF for ; Thu, 7 Oct 2021 11:43:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D38F261175 for ; Thu, 7 Oct 2021 11:43:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241073AbhJGLpR (ORCPT ); Thu, 7 Oct 2021 07:45:17 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:13704 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230091AbhJGLpP (ORCPT ); Thu, 7 Oct 2021 07:45:15 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4HQ8YT0PGdzWlbJ; Thu, 7 Oct 2021 19:41:49 +0800 (CST) Received: from dggpemm100005.china.huawei.com (7.185.36.231) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Thu, 7 Oct 2021 19:43:18 +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 15.1.2308.8; Thu, 7 Oct 2021 19:43:18 +0800 Received: from dggpeml100016.china.huawei.com ([7.185.36.216]) by dggpeml100016.china.huawei.com ([7.185.36.216]) with mapi id 15.01.2308.008; Thu, 7 Oct 2021 19:43:18 +0800 From: "Longpeng (Mike, Cloud Infrastructure Service Product Dept.)" To: Lu Baolu , "dwmw2@infradead.org" , "will@kernel.org" , "joro@8bytes.org" CC: "iommu@lists.linux-foundation.org" , "linux-kernel@vger.kernel.org" , "Gonglei (Arei)" Subject: RE: [PATCH v2 1/2] iommu/vt-d: convert the return type of first_pte_in_page to bool Thread-Topic: [PATCH v2 1/2] iommu/vt-d: convert the return type of first_pte_in_page to bool Thread-Index: AQHXufzwnJ0IkXVZ70aRussks8pnnKvGjCOAgADf3UA= Date: Thu, 7 Oct 2021 11:43:18 +0000 Message-ID: <046cdaae8b204c3da442ec44fcc6c25d@huawei.com> References: <20211005152308.1061-1-longpeng2@huawei.com> <20211005152308.1061-2-longpeng2@huawei.com> <62016e41-5d9d-2d42-e16f-59809f9f1f75@linux.intel.com> In-Reply-To: <62016e41-5d9d-2d42-e16f-59809f9f1f75@linux.intel.com> 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 DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogTHUgQmFvbHUgW21haWx0 bzpiYW9sdS5sdUBsaW51eC5pbnRlbC5jb21dDQo+IFNlbnQ6IFRodXJzZGF5LCBPY3RvYmVyIDcs IDIwMjEgMjoxOCBQTQ0KPiBUbzogTG9uZ3BlbmcgKE1pa2UsIENsb3VkIEluZnJhc3RydWN0dXJl IFNlcnZpY2UgUHJvZHVjdCBEZXB0LikNCj4gPGxvbmdwZW5nMkBodWF3ZWkuY29tPjsgZHdtdzJA aW5mcmFkZWFkLm9yZzsgd2lsbEBrZXJuZWwub3JnOw0KPiBqb3JvQDhieXRlcy5vcmcNCj4gQ2M6 IGJhb2x1Lmx1QGxpbnV4LmludGVsLmNvbTsgaW9tbXVAbGlzdHMubGludXgtZm91bmRhdGlvbi5v cmc7DQo+IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmc7IEdvbmdsZWkgKEFyZWkpIDxhcmVp LmdvbmdsZWlAaHVhd2VpLmNvbT4NCj4gU3ViamVjdDogUmU6IFtQQVRDSCB2MiAxLzJdIGlvbW11 L3Z0LWQ6IGNvbnZlcnQgdGhlIHJldHVybiB0eXBlIG9mDQo+IGZpcnN0X3B0ZV9pbl9wYWdlIHRv IGJvb2wNCj4gDQo+IE9uIDIwMjEvMTAvNSAyMzoyMywgTG9uZ3BlbmcoTWlrZSkgd3JvdGU6DQo+ ID4gZmlyc3RfcHRlX2luX3BhZ2UoKSByZXR1cm5zIGJvb2xlYW4gdmFsdWUsIHNvIGxldCdzIGNv bnZlcnQgaXRzDQo+ID4gcmV0dXJuIHR5cGUgdG8gYm9vbC4NCj4gPg0KPiA+IFNpZ25lZC1vZmYt Ynk6IExvbmdwZW5nKE1pa2UpIDxsb25ncGVuZzJAaHVhd2VpLmNvbT4NCj4gPiAtLS0NCj4gPiAg IGluY2x1ZGUvbGludXgvaW50ZWwtaW9tbXUuaCB8IDIgKy0NCj4gPiAgIDEgZmlsZSBjaGFuZ2Vk LCAxIGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQ0KPiA+DQo+ID4gZGlmZiAtLWdpdCBhL2lu Y2x1ZGUvbGludXgvaW50ZWwtaW9tbXUuaCBiL2luY2x1ZGUvbGludXgvaW50ZWwtaW9tbXUuaA0K PiA+IGluZGV4IDA1YTY1ZWIuLmE1OTBiMDAgMTAwNjQ0DQo+ID4gLS0tIGEvaW5jbHVkZS9saW51 eC9pbnRlbC1pb21tdS5oDQo+ID4gKysrIGIvaW5jbHVkZS9saW51eC9pbnRlbC1pb21tdS5oDQo+ ID4gQEAgLTcwOCw3ICs3MDgsNyBAQCBzdGF0aWMgaW5saW5lIGJvb2wgZG1hX3B0ZV9zdXBlcnBh Z2Uoc3RydWN0IGRtYV9wdGUgKnB0ZSkNCj4gPiAgIAlyZXR1cm4gKHB0ZS0+dmFsICYgRE1BX1BU RV9MQVJHRV9QQUdFKTsNCj4gPiAgIH0NCj4gPg0KPiA+IC1zdGF0aWMgaW5saW5lIGludCBmaXJz dF9wdGVfaW5fcGFnZShzdHJ1Y3QgZG1hX3B0ZSAqcHRlKQ0KPiA+ICtzdGF0aWMgaW5saW5lIGJv b2wgZmlyc3RfcHRlX2luX3BhZ2Uoc3RydWN0IGRtYV9wdGUgKnB0ZSkNCj4gPiAgIHsNCj4gPiAg IAlyZXR1cm4gISgodW5zaWduZWQgbG9uZylwdGUgJiB+VlREX1BBR0VfTUFTSyk7DQo+ID4gICB9 DQo+ID4NCj4gDQo+IFByb2JhYmx5LA0KPiANCj4gCXJldHVybiBJU19BTElHTkVEKCh1bnNpZ25l ZCBsb25nKXB0ZSwgVlREX1BBR0VfU0laRSk7DQo+IA0KPiBsb29rcyBuZWF0ZXI/DQo+IA0KDQpM b29rcyBiZXR0ZXIhIEknbGwgaW5jbHVkZSB0aGlzIG9wdGltaXphdGlvbiBpbiB2My4NCg0KPiBC ZXN0IHJlZ2FyZHMsDQo+IGJhb2x1DQo=