Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp904383ybb; Wed, 25 Mar 2020 11:48:26 -0700 (PDT) X-Google-Smtp-Source: ADFU+vvOMnErceAyRvW29llntGXLcPNyBKTyUF3uEVucdt82nFdCwfXCTXMbqm7I7UJNirhcs/m8 X-Received: by 2002:aca:d40f:: with SMTP id l15mr3422450oig.90.1585162106718; Wed, 25 Mar 2020 11:48:26 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1585162106; cv=pass; d=google.com; s=arc-20160816; b=c859sTXVepAE7y7p2p4us2QJFcChQXMB3+p0iVwamDxm9jiK8cnsGHdyLdRUwFlKbK pQruec+De9+dT28YxdV+39nvECV2fgMFTCIB2kUjY3XhvQi87C3n8DcWWiOhA7dQfHMB m22m5mZvLe1rw5qtbvjxYySL6RvFMz6+md28TXSdhLbYOsbFzqE75D+3OjloiZ2iJnE0 4WucwqYssvdI2KTT7FS35xTrWJXCisekOhMpNjzlQXEzjOo9Gl7yaNfqoUCHvBS2O5Tq o2ujxDT4C1GxPM8rT1f36yzs6FRoECeI5/VTw8MwAVuU7zfO/3LYIahRgVz/9Mzkoey+ 3PVw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :msip_labels:content-language:accept-language:in-reply-to:references :message-id:date:thread-index:thread-topic:subject:cc:to:from :dkim-signature; bh=9y1sBBsEoSHTNIwfSIa7HjqizKab5qUjk0buT2t09XU=; b=XbiKBCc2bVPAk2kJ5u/QCs95xW1YUBkGcntQui45QysIhGqYFkmezBweDq00Wy6DEy uSEt95jhHwglNsOsMSUSgYPaugLUi6iblTmB9u+WER3uIcp0qnAS8N5LADU2vQ3ybrHv pkV4W12lyDmMHnFpi1k9ABPgjgzM1dsLiaTI0QgimgZUGhOECgVeLInJu/OQT/N2hJ3y /0+c/nUnpzk/FSv+prtjjeA0f3yiKgjLSwG59iW03Fmx0TFag0V0PIJdpiAJ46tMb5RP LdpE6LSo7Zsky/ZZFwtMvvo334Qi293++qcrgn4S4jHZRAFHj7QAzDWwjn1uhxVLrbje IO3A== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@microsoft.com header.s=selector2 header.b=adnY5bf1; arc=pass (i=1 spf=pass spfdomain=microsoft.com dkim=pass dkdomain=microsoft.com dmarc=pass fromdomain=microsoft.com); spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=microsoft.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j1si11611624otp.318.2020.03.25.11.48.11; Wed, 25 Mar 2020 11:48:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@microsoft.com header.s=selector2 header.b=adnY5bf1; arc=pass (i=1 spf=pass spfdomain=microsoft.com dkim=pass dkdomain=microsoft.com dmarc=pass fromdomain=microsoft.com); spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=microsoft.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727736AbgCYSqT (ORCPT + 99 others); Wed, 25 Mar 2020 14:46:19 -0400 Received: from mail-eopbgr1300109.outbound.protection.outlook.com ([40.107.130.109]:3278 "EHLO APC01-HK2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727027AbgCYSqT (ORCPT ); Wed, 25 Mar 2020 14:46:19 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=l0/akW0+/jxVV1yO8/SNGnTenboeK4QI83LyLFopr/JkacjtUmPcAUNOsKXMpCneEBBmmF4S675e67ia7LLGYt9e0qx6AMD3VA57Su8zosI8Vn9vxiY7b1Fz0RGgFFv08N8kuD5hPQsUmORKvig+oPcnsQSOZVzGBLpAicXdGvcLUkiAsond9TI6ggbNIbQE0VSTzJjzk4zM0VoFB+uxKuasDOIKcLjIg2iW1/HMJ9PEMpa3QQn2fTdRBZmE6dY+gdfW1fL54K7ydJ1a2TyYGzSnwex8FwA6agLgL3TSdprpYz3OnUKb4PP3my47TcDSbGMCBi7yLnr9jPk0bLG0Ug== 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=9y1sBBsEoSHTNIwfSIa7HjqizKab5qUjk0buT2t09XU=; b=LXzR9z0yx53BbWFO0qzZr1kUtl5Wj5yRPZAVH6gRVUJBRjyY6AB4x6LTbJXNcEglpOx6ScVehW/dLqxKuB1V4XkvS2Ynh14JMhrUQaZz607dTsz/e5ijx/bgHrhL1Z9wnZePXKM3XUFj2UJqP+GDtN03AkaJKQu5xN5HDKB7ZX89Pn4WQuk8N3rR1ignt4ckjIms9VP7CBOYuZ1ZNwKNRdI4DJ8+VmzwReL3yFQxDImrBi8CXs+OyPysVakGq0sXvO80dm0PkFX/wqmHXxvwXG3T6TuR6WoYuUKbTnTLksnfZGI2kk8M7/PBcmGQYct2jQaEM8rVJqmtow8yjYY0nA== 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=9y1sBBsEoSHTNIwfSIa7HjqizKab5qUjk0buT2t09XU=; b=adnY5bf1ldo2XP3jAwNJ07I7FL2h678iV6H9bgFDWHlK9jrmmt8dXTPZRtlZfUhxIYuLfnmOo8X3s4nW5WcYMwj/qTBaG7FtnGJReihIOqh7odDSwpM8ASdTCS1yWbK622zQdh4FK76BV3sme4GoFJC3D7Ebgo77Z7A58HYB5KU= Received: from HK0P153MB0273.APCP153.PROD.OUTLOOK.COM (52.132.236.76) by HK0P153MB0145.APCP153.PROD.OUTLOOK.COM (52.133.156.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2878.2; Wed, 25 Mar 2020 18:46:09 +0000 Received: from HK0P153MB0273.APCP153.PROD.OUTLOOK.COM ([fe80::2d07:e045:9d5b:898a]) by HK0P153MB0273.APCP153.PROD.OUTLOOK.COM ([fe80::2d07:e045:9d5b:898a%2]) with mapi id 15.20.2878.007; Wed, 25 Mar 2020 18:46:09 +0000 From: Dexuan Cui To: Yubo Xie , KY Srinivasan , Haiyang Zhang , Stephen Hemminger , Wei Liu , "daniel.lezcano@linaro.org" , "tglx@linutronix.de" , Michael Kelley CC: Yubo Xie , "linux-hyperv@vger.kernel.org" , "linux-kernel@vger.kernel.org" , vkuznets , "stable@vger.kernel.org" , Tianyu Lan Subject: RE: [PATCH] x86/Hyper-V: Fix hv sched clock function return wrong time unit Thread-Topic: [PATCH] x86/Hyper-V: Fix hv sched clock function return wrong time unit Thread-Index: AQHWAe+sIAx5Fyul2kCy9Ve4hkotjqhZotyQ Date: Wed, 25 Mar 2020 18:46:08 +0000 Message-ID: References: <20200324151935.15814-1-yuboxie@microsoft.com> In-Reply-To: <20200324151935.15814-1-yuboxie@microsoft.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_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Owner=decui@microsoft.com; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2020-03-25T18:46:05.1806297Z; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Name=General; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Application=Microsoft Azure Information Protection; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_ActionId=5f141aee-3c29-4a29-a518-1eaaf4ed75fb; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Extended_MSFT_Method=Automatic authentication-results: spf=none (sender IP is ) smtp.mailfrom=decui@microsoft.com; x-originating-ip: [2601:600:a280:7f70:5896:cf8a:cefe:fd7] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 40370955-164e-446a-ca3c-08d7d0ecc897 x-ms-traffictypediagnostic: HK0P153MB0145:|HK0P153MB0145:|HK0P153MB0145: 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:1923; x-forefront-prvs: 0353563E2B x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:HK0P153MB0273.APCP153.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFTY:;SFS:(10019020)(4636009)(366004)(6636002)(86362001)(8676002)(2906002)(110136005)(8990500004)(54906003)(64756008)(81156014)(66556008)(66946007)(66446008)(107886003)(81166006)(6506007)(66476007)(71200400001)(5660300002)(9686003)(55016002)(8936002)(498600001)(186003)(4744005)(52536014)(33656002)(7696005)(76116006)(4326008)(10290500003);DIR:OUT;SFP:1102; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: rNG3kqcVDkUi3OWc+wWizxR0kV324lyjZKVbeEe3qAi0tj+lBb9KjbVNY03C5Q7oBAKFXswH1Yuky+SZ3D/Bo/XAezeasB9BhYjU46jDdLDteFLurF6OaAw1MujwhpkaJcclqlnhc0qxIw5yodmgwLJ7+cikmjmE3HOGcejSOKpMfgKcvb3lwNkEoK2lcTElJ0np7DxyASJfgPBk4vMHzx3cbhleEsn4Q2I7jSMElrFhEB0TfOkh+Pm3lOyKQ0Dd/Hz45D02GYpmVaS3Qw8X0f8+pwCGIeKmS0FTF88g15n/3cKyIvPg9LTDj9yPIQvta3DYPexJZBg4O/b5iVWMIBOfYKNyQDsYsuusyWWEMC3qWQtxRxgdBrsIRQbkiqPttdQRF1X3CKZC9tKBjtHSRJsgm2Ms02HlUDcjqvIIzagYGmddIwHysptKciFpAKeC x-ms-exchange-antispam-messagedata: Iw9i+7E/2lre9msuHgZHT+iRyf4AslnQIJHYXD3eA4rKYzldZWy6knS0Uv9ikn1K8cnDDYHtXsvpTIwx9kIIG0VhI7ZVr2AsirrTsMJO8TpjKONR1O2itkeoHJT6gnUnT+qfGPyyE+yuUCu/ZWNoGl27O+xs6nFxbnl+Bk6v/AjP7j0dNZ1OcYyGW4E/hRm9VG308sqWsqy9eRQk1Uqmrg== Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 40370955-164e-446a-ca3c-08d7d0ecc897 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Mar 2020 18:46:08.8297 (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: tuNX0ND4ggfXj/+pMSK7VsWr1lr+jSxE4uk0LDHFnsfokrUAKuRgLALu0TnRBKTgeSmV2C8dyN9ccNExEHOsQw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: HK0P153MB0145 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > From: linux-hyperv-owner@vger.kernel.org > On Behalf Of Yubo Xie > Sent: Tuesday, March 24, 2020 8:20 AM > ... > sched clock callback should return time with nano second as unit > but current hv callback returns time with 100ns. Fix it. Hi Yubo, I'm curious how you found the bug? :-) Did you notice some kind of symtom? Thanks, -- Dexuan