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=-6.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 4F862C433E2 for ; Sat, 12 Sep 2020 19:36:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F00DC21531 for ; Sat, 12 Sep 2020 19:36:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=microsoft.com header.i=@microsoft.com header.b="GO87ZfTY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725878AbgILTgS (ORCPT ); Sat, 12 Sep 2020 15:36:18 -0400 Received: from mail-dm6nam12on2125.outbound.protection.outlook.com ([40.107.243.125]:4489 "EHLO NAM12-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725838AbgILTgR (ORCPT ); Sat, 12 Sep 2020 15:36:17 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=b+pLPBlzazy4BGOZvgzsxLWGPx34pMki164ZaEz3B2ElEfaX7f9X8XFUCf7HGPf7BvPg6X/K6SXw1GLzFivTLG8APgPdjOKNzYZsM5SIjDREOfzUtMlUdmpRNYXh94Ia/bgFYwQHJ/2SHOlNSEjxUlU1aG5mDXQN5N1KL/HsNz8r8OFr3kNKeLlS6wpXBEcQdMXrE9WD9ZdAc3A6RRiy79ZdFuCvmNYLAYyo/g95jP/X3oGnCRTc2tedWvHS6ZsBXFNaFEag/jKyaWcmZxhz/EUb7/zM8okv2Llny9Gyb+inZRUr7ENhpqx5L8w/LVvl8iH8vsFn3MdasagjWnXL3w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ifQ5wLFhuP4P9BpX8//V7BzRlDUTFyd4YNiUW6iU708=; b=TQB9Ot9ABdVC1I5W1kNxc9z4gVvaHFLe2NYr3NHCwMWMRVnfZElgmCSO7Gd9ONAR+Isn4BWHt7oF/BilVt1EugkXEm0VWKlg/I324zEwwMjwbq9umuPmUChPf5wf6LrzyGFel/zTuvhHj8cN1vumusBK7g4S4dEMBhSL1tt+LjUTuBez10R0KWkg+WEbibHbPxZKKrlY5Yo2yUROOdGBAtan1LuhHj5E8WciRCPayJw1Ni1gOrIYcd73vHtQjSpEJi8az/apF9R/stsfRFMCl5hS+X/WG/dLEQa8ArSlsGO0Ih9ODtWWk1wCBDwqC25zZO+MprV4yTXFo7cadS7Ktg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=microsoft.com; dmarc=pass action=none header.from=microsoft.com; dkim=pass header.d=microsoft.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ifQ5wLFhuP4P9BpX8//V7BzRlDUTFyd4YNiUW6iU708=; b=GO87ZfTY5N4fNhfYmzF7mIAiiP2wNLxyf5XBTLl94botELUFExl1f7o9OBfAYbD1oHf3x5gA+rArRaCt2Nezc6/auq72l2/uXjiU4nqLILChjU+IHK9NyKk597m+HVWzxPHkImw+AFSFNHutuqYHsASJ5hgm+UUkIVvWwLYVai0= Received: from MW2PR2101MB1052.namprd21.prod.outlook.com (2603:10b6:302:a::16) by MWHPR21MB0512.namprd21.prod.outlook.com (2603:10b6:300:df::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.0; Sat, 12 Sep 2020 19:36:13 +0000 Received: from MW2PR2101MB1052.namprd21.prod.outlook.com ([fe80::d00b:3909:23b:83f1]) by MW2PR2101MB1052.namprd21.prod.outlook.com ([fe80::d00b:3909:23b:83f1%4]) with mapi id 15.20.3412.001; Sat, 12 Sep 2020 19:36:13 +0000 From: Michael Kelley To: Boqun Feng , "linux-hyperv@vger.kernel.org" , "linux-input@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" CC: KY Srinivasan , Haiyang Zhang , Stephen Hemminger , Wei Liu , Jiri Kosina , Benjamin Tissoires , Dmitry Torokhov , "David S. Miller" , Jakub Kicinski , "James E.J. Bottomley" , "Martin K. Petersen" , "will@kernel.org" , "ardb@kernel.org" , "arnd@arndb.de" , "catalin.marinas@arm.com" , "Mark.Rutland@arm.com" , "maz@kernel.org" Subject: RE: [PATCH v3 07/11] hv_netvsc: Use HV_HYP_PAGE_SIZE for Hyper-V communication Thread-Topic: [PATCH v3 07/11] hv_netvsc: Use HV_HYP_PAGE_SIZE for Hyper-V communication Thread-Index: AQHWh3+dtzc6hmL7/kKq9yixyCiJi6llaE9A Date: Sat, 12 Sep 2020 19:36:13 +0000 Message-ID: References: <20200910143455.109293-1-boqun.feng@gmail.com> <20200910143455.109293-8-boqun.feng@gmail.com> In-Reply-To: <20200910143455.109293-8-boqun.feng@gmail.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=true; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2020-09-12T19:36:11Z; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Method=Standard; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=Internal; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=67d59c26-bc83-4a81-9c9e-fa38e61a058f; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ContentBits=0 authentication-results: gmail.com; dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=microsoft.com; x-originating-ip: [24.22.167.197] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 84b6c0d9-d05d-4358-70cf-08d857531be9 x-ms-traffictypediagnostic: MWHPR21MB0512: x-ms-exchange-transport-forked: True x-ld-processed: 72f988bf-86f1-41af-91ab-2d7cd011db47,ExtAddr x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3173; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 0yVbUzpNeSRONdBRxpswOpAAwulMnCpm4Loyy09o7z2k6shtyut+dL+5nV7ErwJQATqA6/49qOU6J4MQImLQAPLEBcyDze06u2euMEQCdyOX+XqkAtRAz0a3jMYc97LsWmvJ7ac7G/aCbLJrOD4ReAnjIrOTY6LUSblEUe+wgiX0qA1HLq6yD/+BD4g8/fh0vI28tUVLavjEXMEk+rz+Yy3PeeOVUwiOECNxvt4tZGHpJ4yiNsxbH49/kaQ0zgtlW3O7xoGbyVqCVcBf6gHQDBD19D1IVc3W2u1EW2LXL6mePoLr8ESLC2OCW12/66B/QlJk5wAuFI1BbmVehAvxaeHoxP5QbXsgFvBVZYnNL2f3qWKOMr4fTNu2z6lMieQL x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MW2PR2101MB1052.namprd21.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(376002)(346002)(39860400002)(396003)(136003)(33656002)(83380400001)(316002)(4326008)(9686003)(10290500003)(2906002)(71200400001)(52536014)(8990500004)(86362001)(66556008)(64756008)(66446008)(66476007)(6506007)(55016002)(4744005)(82960400001)(82950400001)(186003)(5660300002)(8676002)(66946007)(26005)(110136005)(76116006)(478600001)(7696005)(54906003)(7416002)(8936002);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW2PR2101MB1052.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 84b6c0d9-d05d-4358-70cf-08d857531be9 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Sep 2020 19:36:13.2742 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: SS15zBQG1MKUIZrlC/jxI8wHYlYs56JcNeAJ4xqs7ReuyGKMvhNQl3LZ3Ly/mYFgueIiwVu5J0d1YZ/8FSm4/Ly46QGg8VCyWa4ZG9xzI20= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR21MB0512 Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org From: Boqun Feng Sent: Thursday, September 10, 2020 = 7:35 AM >=20 > When communicating with Hyper-V, HV_HYP_PAGE_SIZE should be used since > that's the page size used by Hyper-V and Hyper-V expects all > page-related data using the unit of HY_HYP_PAGE_SIZE, for example, the > "pfn" in hv_page_buffer is actually the HV_HYP_PAGE (i.e. the Hyper-V > page) number. >=20 > In order to support guest whose page size is not 4k, we need to make > hv_netvsc always use HV_HYP_PAGE_SIZE for Hyper-V communication. >=20 > Signed-off-by: Boqun Feng > --- > drivers/net/hyperv/netvsc.c | 2 +- > drivers/net/hyperv/netvsc_drv.c | 46 +++++++++++++++---------------- > drivers/net/hyperv/rndis_filter.c | 13 ++++----- > 3 files changed, 30 insertions(+), 31 deletions(-) >=20 Reviewed-by: Michael Kelley