Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp7398262imu; Thu, 31 Jan 2019 09:26:04 -0800 (PST) X-Google-Smtp-Source: ALg8bN7zZq5/WiK2byB92tdMt2i8HulQsrMD7BqkonWSURDJFmgQoQXOcnLzPt/E+fSaJcEQEr3x X-Received: by 2002:a17:902:6b09:: with SMTP id o9mr35569097plk.208.1548955564805; Thu, 31 Jan 2019 09:26:04 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1548955564; cv=none; d=google.com; s=arc-20160816; b=pCwvX3z5B1B56aJLNWiDPQn9v4bW4aXLnL3QDpTGz4vncC65pyL7b7ZjseAnWt36jR vIsDmpWXUxBrvQWT+Wb9JHQMMpIqdWCpN4m4z9YC9X5cX1p1e4SWAEb+lDEJHjYFgWQN nk8XhTu2Q/rm0ohskhio3u24z3/JDkNnn63bd8iVsSlVCZEUUoyh/rAb2azo1AX9R6i1 HgRo/eW4fg3LvRCxhHyeGGHpf+honJcnzfbbj1W6RyvBgqzsf4avC2iEAJQdqSUZTSUv cHABkzoigicfwbhkZbJNSoAm/UXKnKW/zNKFp7TypviD6a2C5AqzbLvlUeYk9Xs4w317 Ef5g== ARC-Message-Signature: i=1; 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=BEPKGNjgbkThNkeaxXpr/K5NjYkxrOAkZOhOv0rzRwg=; b=AuWeyVMb8vU+XQgNEKHe1Bl8/t956vx4MlmKdVgUjDm/H5tx3RC1kWsWg2jdSbT/3B L9cI7LkWajdUWFATQZwgTk3LFmxXRAcXOARnUlvsWHY/Uacjdrzi0NkpQPjgG4ou1TCb hJ+LAHvtNbL0eSsc9RG0OtnWV9oYt+7DDyBnC4CcpLPfQ1sGfWeiBsFLE/2d0npdrSJT fKVBZaofeDbqhk9dzyJffjpJBfaETnLgoxTp8u/23XPSXrAreHIK7aIj+9Eln/JabysY sD4bVhBL5kwNugBE36mp2JcsB0C0IowNRRuv3nzrN6kc7qOC7EV7k7YFGvooOqiFw4rC qPWQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@microsoft.com header.s=selector1 header.b=WyQ84527; 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 e188si4899187pfa.16.2019.01.31.09.24.41; Thu, 31 Jan 2019 09:26:04 -0800 (PST) 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=selector1 header.b=WyQ84527; 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 S2388489AbfAaQpj (ORCPT + 99 others); Thu, 31 Jan 2019 11:45:39 -0500 Received: from mail-eopbgr750125.outbound.protection.outlook.com ([40.107.75.125]:19919 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728813AbfAaQpi (ORCPT ); Thu, 31 Jan 2019 11:45:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=BEPKGNjgbkThNkeaxXpr/K5NjYkxrOAkZOhOv0rzRwg=; b=WyQ84527mxfCfjWwhm7GlpuHnJ42URy8FvASOLXOGIB7uBDcDWruUopiDX6e/fJ9pFYEBasQW0cfRcskJzIGSCISZR3dDBH/FPIR4fSsDKr09kKvvZzBq/ycylGZgISa0NwfNUVnB8jiQ7BGsjYnmHphHsXBsfKcJLYASG0j80E= Received: from DM5PR2101MB0918.namprd21.prod.outlook.com (52.132.132.163) by DM5PR2101MB1063.namprd21.prod.outlook.com (52.132.128.39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1601.4; Thu, 31 Jan 2019 16:45:35 +0000 Received: from DM5PR2101MB0918.namprd21.prod.outlook.com ([fe80::15b:c868:d1bd:c781]) by DM5PR2101MB0918.namprd21.prod.outlook.com ([fe80::15b:c868:d1bd:c781%9]) with mapi id 15.20.1601.007; Thu, 31 Jan 2019 16:45:35 +0000 From: Michael Kelley To: Sasha Levin , Dexuan Cui , kimbrownkd CC: Long Li , Sasha Levin , Stephen Hemminger , KY Srinivasan , Haiyang Zhang , "devel@linuxdriverproject.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] Drivers: hv: vmbus: Add mutex lock to channel show functions Thread-Topic: [PATCH] Drivers: hv: vmbus: Add mutex lock to channel show functions Thread-Index: AQHUsfdQr9slvBztV0itgZ+Z8timDaW6pkUAgAAxKgCAAMiIAIAJg9qAgAGHowCAAuF3AIAAFypQ Date: Thu, 31 Jan 2019 16:45:35 +0000 Message-ID: References: <20190122020759.GA4054@ubu-Virtual-Machine> <20190122064246.GA28613@ubu-Virtual-Machine> <20190128195845.GA3723@ubu-Virtual-Machine> <20190131151958.GT3973@sasha-vm> In-Reply-To: <20190131151958.GT3973@sasha-vm> 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=mikelley@ntdev.microsoft.com; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2019-01-31T16:45:32.5707193Z; 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=fb886720-697f-49cc-8821-d3a52c84d815; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Extended_MSFT_Method=Automatic x-originating-ip: [24.22.167.197] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB1063;6:LTcvlMw67CntkSWVODpGYzZPeOy0wlip9IZcZmAVLmmMKmcb2IgV1Nqa5Rq9HOljHpayzpAmYe5Tn+AMylTI/deNXYFBP+KvZG79QYS7G4uG1SoUEOAIRAeyVYUVee613wIn98Otjyf3mWUVnRhyRvj3bFUE0nbDGvFNlfUSVFi/vcnXdXXa8UdaoHLHqsMAdQZ7o8N9hoDgs8ABX3HaVfWRnvxKF2g7HJkqEAo2tGxbTh0QRzLRH7tHLnyyEyLuGf5RLelqBg261aZVt6kQRm6UiIONO1MdTL//2DypiQ5CPxn8Kipm2IEgHaopUloZ0ngUWPSQ1JdBAtKm01mhM+e4HercyHQDhvoyzP/xnLfwrJWwB6DQfUerppoNQy/IHWoPFQG83PhyNqywVi0xrf/QoZIf2LdJZzdHOC7vj1LZp/cZylbjcu2u89t3jQLhZD1q537kGKF3+OR0ZJBM/A==;5:fXtLT9oNXeyI0niXRQq1tlxhLBwGoVIpqhkQGRNpKtY6PXxAkcS/OKzanF/75WxlAr03brPEUAccPV6YWLtt+HEvrR6zrfRA/jtzK4vdy208l0K73ET+o7MBjF4rCjMwvILhthtMG0OPlJfG62pe4hkeLV8WdplHFNgip+ZeE+y3DDPbLjIL89WbNfQbn4t/Tehsggq+ASDhYw0gcH0wSg==;7:dV6uV3X4S9JdRF7dENDEM+6Da6Ez1wlYcjmLy28FicEzDwdoQaix9tkb8t4MrjMHk4RaOlR8aOQudMXDpyxe1Zn2EgSyAfJtyQXK2EIW3gvQn0ybkaiJysh6X2kpk33qlWhc7F1R8vkFT/FznqQGdA== x-ms-office365-filtering-correlation-id: 36e55795-705f-4565-2da8-08d6879b85c7 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(5600110)(711020)(4605077)(4618075)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7193020);SRVR:DM5PR2101MB1063; x-ms-traffictypediagnostic: DM5PR2101MB1063: x-ms-exchange-purlcount: -3 x-ld-processed: 72f988bf-86f1-41af-91ab-2d7cd011db47,ExtAddr x-microsoft-antispam-prvs: x-forefront-prvs: 09347618C4 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(396003)(376002)(136003)(346002)(39860400002)(366004)(199004)(189003)(3846002)(10090500001)(68736007)(8990500004)(186003)(86612001)(71200400001)(4744005)(76176011)(97736004)(71190400001)(6346003)(6506007)(256004)(14444005)(99286004)(26005)(86362001)(7696005)(6116002)(102836004)(7736002)(81156014)(53936002)(478600001)(2906002)(81166006)(66066001)(22452003)(1511001)(105586002)(10290500003)(4326008)(229853002)(33656002)(39060400002)(6246003)(305945005)(106356001)(316002)(486006)(446003)(11346002)(476003)(9686003)(14454004)(6436002)(74316002)(93886005)(25786009)(54906003)(8676002)(55016002)(8936002)(110136005);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR2101MB1063;H:DM5PR2101MB0918.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=mikelley@microsoft.com; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: RDosqDiKNX62bwefjqlaaYjvTZ53VTcprN3e843+YnH261YpwiPndqFSmLq62AFVIx7iD1PMlOM03L4qgW8umDXcfDmV2qNCSM6JCzP7jhjjs1toLcvh9w+YO0NPLdHHILObK7pDPlZVHLDKi9KZ0Nq/ES6DDsnJAmm4MyLP5BaVX6AuVmZGz2nAgSiLJ5VeZFwIYBn61R32fWKZ6T2z7NXuwUQxuQgZDDiz1oZiZkdgkSc+lzQc/w9o0tMS4pigXNlQ0SgNS3A3zAfsHuE5fsL6GhRdU+BryAUeIGRQoz8UlbvD+u1dVHxzFIywVUo6W4caGbDjdAp7K8LQt3QxbCrHrQ45y+azeo9GgUkpekJVDpww9WrJ4N9x0K7Gw5PTivNPD8iTRBWPxgYlhr9GRiIoSLQutx5kSgjNgCB+Y6s= 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: 36e55795-705f-4565-2da8-08d6879b85c7 X-MS-Exchange-CrossTenant-originalarrivaltime: 31 Jan 2019 16:45:35.2228 (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-Transport-CrossTenantHeadersStamped: DM5PR2101MB1063 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sasha Levin Sent: Thursday, January 31, 2019 7:20= AM >=20 > I've queued this one for hyper-fixes, thanks all! >=20 Actually, please hold off on queuing this one. In a conversation I had yes= terday with Kim, they had identified a deadlock. Kim was going to be looki= ng at some revisions to avoid the deadlock. Kim -- please confirm. Michael