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 240E5C10DAA for ; Sat, 12 Sep 2020 19:23:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9372207C3 for ; Sat, 12 Sep 2020 19:23:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=microsoft.com header.i=@microsoft.com header.b="MurFS5HB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725873AbgILTX1 (ORCPT ); Sat, 12 Sep 2020 15:23:27 -0400 Received: from mail-mw2nam10on2114.outbound.protection.outlook.com ([40.107.94.114]:54669 "EHLO NAM10-MW2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725838AbgILTXZ (ORCPT ); Sat, 12 Sep 2020 15:23:25 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Yde6PBD1cPsRuaANZH+t9e23zgokJOQKtDMPBl2I5r78Q/joN+EMafVVWWTz5Dx7zxHMxzFfOw9A1ky7aIziPR0wE1/EpTRs6oYW1JDUEFfHJ53F7ERdN2Yyhk3tL0MHCWjfVgfaAfylRaIw6zhf+AavAYRUqILbCNREG1WkBgk4Rjf+OHMYLLMapdtcOgli1iJGBrKoyy+GhVbKV1o/4iO7NmYUPsfqPMajosPhITtgPluC0w8sqCWT77JO6Tdg3IKewCFMQ9mVlIAg/oYqFlz4UeKPhJ07WHC/x01yENrEvgKyjQFIbtM7nIInS+0jQwIC3jQf4aC54+bvmF2J4w== 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=VMP08KSLf9/k4zv1G1BpYMEP8EWoFkaIJKBBJBtGhYc=; b=ktqsLB2U5ZzCw5CcVekxxl5jbjaRxx1A7qtvF35puZi12pPMdzhGHBZGfWBAmM7iay7zZMUzeUyndFKqKcY3VzO/blWERzzhayRq+wnI/++M/W7leXhb29xEvgfsjVYjmHqvyYBrLHiOjE6hRrgsANZSWcbDwGgrPyHAxyXPpZYLvAl1fxWjArGgu6BNFA2pH6qxdmX+A/3TGGCUVBFj3VF0jdwjDP8QBnTDn5y41CjdP3dLObQhK8rrcyC2oB2g3pI2jPG5jl+gBRpbbJv3HbPVAy06RZHflfLW4R7qg/jgLrJwXg3VgCT/nLQQYuLI6RRuMwryv3Gu07CR08l1SA== 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=VMP08KSLf9/k4zv1G1BpYMEP8EWoFkaIJKBBJBtGhYc=; b=MurFS5HBKG42taDdLWiZ7JwWZygwAg/rqkW4BlRiFv1h33rtEWbD7zu9hRhitIkb5VhivDigEHLA7ONgK4Bv9EtxP4QUHqvvlhweCly/7VLyxCm9LuTgI3Jqmvg931Ngv8GjCUdUTqrnqVu7ZlLQ8buz9ovrj86EJWqIJpOalAc= Received: from MW2PR2101MB1052.namprd21.prod.outlook.com (2603:10b6:302:a::16) by MWHPR2101MB0730.namprd21.prod.outlook.com (2603:10b6:301:7f::39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3391.4; Sat, 12 Sep 2020 19:23:22 +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 19:23:22 +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 01/11] Drivers: hv: vmbus: Always use HV_HYP_PAGE_SIZE for gpadl Thread-Topic: [PATCH v3 01/11] Drivers: hv: vmbus: Always use HV_HYP_PAGE_SIZE for gpadl Thread-Index: AQHWh3+XvK3gEZf5Dkqy4sFhfg8006llZRFg Date: Sat, 12 Sep 2020 19:23:22 +0000 Message-ID: References: <20200910143455.109293-1-boqun.feng@gmail.com> <20200910143455.109293-2-boqun.feng@gmail.com> In-Reply-To: <20200910143455.109293-2-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=2020-09-12T19:23:20Z; 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=5f8c0fd0-33b2-42c9-9c1c-c5efb702d8c6; 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: 06335d38-89f9-4891-cee0-08d857515061 x-ms-traffictypediagnostic: MWHPR2101MB0730: 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:3276; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: B2FKYIsUYmIXB/0W/Ecn/etXUs9LgxzeZz1TbOqf2ACfbJRgfVK9yTEoMgYwIBHI7diwpELk5OQ06OJsZVVqHTC/a2lpEcCyggvPKHxQlhD4GGoobiHxv8/epOkhAzb7TH78Q1EhCDReXu52OAA9OAMt+WzLVMrQeMqoRxXmbyDqGWcttOgOygWLQBjJ6WgyysM3oCmlaDe4vKXFyb+qPEM21XDtN8hLmp1zb6Xvb6CUPm+wTaaPEcTewxwRCI+iR8YzbAvlNSKy4SSHZhE9ALyPC0OZDFgG8BIhx9MyVs6epIXL5HBeFA1LJy9Nb0vDa62GsOAoLLydoyiisnR4OAs9TElREelHnt6BPPWJC5WXx4EO3tJLgiX7SHtLTnmg 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)(136003)(376002)(346002)(39860400002)(366004)(396003)(4744005)(52536014)(5660300002)(8936002)(2906002)(82950400001)(8676002)(33656002)(66556008)(66446008)(64756008)(66476007)(83380400001)(8990500004)(76116006)(71200400001)(66946007)(82960400001)(7696005)(26005)(7416002)(6506007)(316002)(110136005)(54906003)(478600001)(10290500003)(9686003)(55016002)(186003)(86362001)(4326008);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: 06335d38-89f9-4891-cee0-08d857515061 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Sep 2020 19:23:22.2481 (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: QU/W+ACeXgEzt/QAfyaoWQLOq07ddEKi+WbdjuGQI1wOP5CqLwk+z0QuuJPL70kQR0ex/pD1SqP6td0PIfFG9tL0qcPsEdMj7Kbz+3SV/+0= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR2101MB0730 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 > Since the hypervisor always uses 4K as its page size, the size of PFNs > used for gpadl should be HV_HYP_PAGE_SIZE rather than PAGE_SIZE, so > adjust this accordingly as the preparation for supporting 16K/64K page > size guests. No functional changes on x86, since PAGE_SIZE is always 4k > (equals to HV_HYP_PAGE_SIZE). >=20 > Signed-off-by: Boqun Feng > --- > drivers/hv/channel.c | 13 +++++-------- > 1 file changed, 5 insertions(+), 8 deletions(-) >=20 Reviewed-by: Michael Kelley