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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, PDS_BAD_THREAD_QP_64,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 66C7AC433DB for ; Thu, 28 Jan 2021 12:25:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2420364DDD for ; Thu, 28 Jan 2021 12:25:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231602AbhA1MYz (ORCPT ); Thu, 28 Jan 2021 07:24:55 -0500 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:35576 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229852AbhA1MWk (ORCPT ); Thu, 28 Jan 2021 07:22:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1611836559; x=1643372559; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=6P2ThNw0JbvZoHkZG2G7okaregURi7WeTFP/hsYf2fQ=; b=OciKUcjhJ2qlqE5ScK58fbRY+EledRUoIsu8jrmaU47FU+b5P9I3Eq4j Ulia1QH4dai7pC2ubc8tyDS+qUsczxlMjTkq36oDzxSIiNOATlHcGgsSb 3vtQ57qchK77HEFqgnwllozOZltJZChxJcCznaEg5g72EJZ1yiDuxtlkU RK5iQRLKjS0oBVRxPpPSyCpNcz3upz/PX4E5XFgZAC7N+i2GmKe0jOcgS 2tRzJ1dquRUSLnm2ScWPj7hW6WcLjT/0kwGPFnPAhCVx0u2gdJCJ7XHGo rKxZlTg7mJvATLsn5G3fcN850RDfHJ1vWbv7xzpOxiX9Ud2XvqBgSPvTc g==; IronPort-SDR: MrTnzUi8gb3tcuwBRluydLuKpaqDnLzz6NXtoyzR5PQfX+vOLv+P/fPeNRwNKudj/juXYHcn3g UnupTKWL83tqbuxRJqhLW6AXb1qouWE/JLMRLNAPiybYF7r0EL77S+OQZB7+Rvxs3VCGSG60ON xQVuoTNI4DN1hNC0BLolzZ5kMo4FQ7f0kVlJ/qjFxY0sIOGU64F++G05op/f5UOzivECTS+xQJ 6PF0ehH4l8wToggy8kNEA1Fsyh8QKGaADcRl4tToPuPgme70L3O6mMqQfn8r2op+hTyglEDLWU lYk= X-IronPort-AV: E=Sophos;i="5.79,382,1602518400"; d="scan'208";a="268914623" Received: from mail-mw2nam10lp2104.outbound.protection.outlook.com (HELO NAM10-MW2-obe.outbound.protection.outlook.com) ([104.47.55.104]) by ob1.hgst.iphmx.com with ESMTP; 28 Jan 2021 20:21:33 +0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=L8ralkhUP7KYemwGToQPEsNWWURGZqk0Mrl+J61Yad8xmSA+tfdZdtcVpZ5OhjL50rYo94mRxVCLEnWgwFU7KwuBQXJTirpJwsCZoPNXnqJN7k78OjOfUiF9J4hKptMGA3vUHAbBvZkLjQJs4Mn/YyOhmOul+QbaHo0SAS8u6AxrXa6JR9pQPDH4dhJQIAMViowikWvCwWCnmOf3AEA76U/rdHj8D7rlpcu555qDb1fwl5Z99SdJaYksWFZYEBm0MfhShxkqIBFhY4WIYqlWgZybNmwXxpAORHEqrbZ91VgTfJiWxpPK68uLUOBSesDlwm5PykiU5ZyefFaW6OIjiQ== 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=6P2ThNw0JbvZoHkZG2G7okaregURi7WeTFP/hsYf2fQ=; b=i7bzv2JpOBpuh5C9WIOkKgOcCwBW1jcfK2V3y3A0I0iNcA6vSTyGSEHEi+0/wOKJeedgfYVe5WZrSVZt6b6BacPzCsMLdCN8U39KD5jHNbe7LpqMl9DqznTVOrdNfZOVKe+E/c32iauPfgM4z84ZjlbgYL9oMWCHho5/44M0Dmp4dFQrBB2TaWAblcosJjdpfobbw4aHhKl1O1RiT0MwF8ajUQCfTc1ztmhuxV8r8r6Y0KPzzBw+MO5MDguRGlfkDTOdM9Ja0MqXdwDWqNJUogDcGdkldR2LxVydcUhfy+d/hMYGB+VDlCD0s2ecyzTuPGyYw7BLiGHFKu4Cc0xkcw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=wdc.com; dmarc=pass action=none header.from=wdc.com; dkim=pass header.d=wdc.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector2-sharedspace-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=6P2ThNw0JbvZoHkZG2G7okaregURi7WeTFP/hsYf2fQ=; b=UAcZy6DiSR5EL8rvS+Oq80vsnTMdj4/CkfO3x8Xulq5MXVkuitJMRLMTQYq2dRAiKm7XS5QDkHOg6E9vRrtceVc65s6jWH+2a+0R1qYtgjzRIo9dTkmbPz6yBqgfIRchkjbpRo3gp10PfF4nLi0e+HKALSKHzMhvlgIVT8SXTck= Received: from DM6PR04MB6575.namprd04.prod.outlook.com (2603:10b6:5:1b7::7) by DM6PR04MB6795.namprd04.prod.outlook.com (2603:10b6:5:24f::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3805.16; Thu, 28 Jan 2021 12:21:32 +0000 Received: from DM6PR04MB6575.namprd04.prod.outlook.com ([fe80::e824:f31b:38cf:ef66]) by DM6PR04MB6575.namprd04.prod.outlook.com ([fe80::e824:f31b:38cf:ef66%3]) with mapi id 15.20.3805.019; Thu, 28 Jan 2021 12:21:32 +0000 From: Avri Altman To: Asutosh Das , "cang@codeaurora.org" , "martin.petersen@oracle.com" , "linux-scsi@vger.kernel.org" CC: "linux-arm-msm@vger.kernel.org" , "stern@rowland.harvard.edu" , "Bao D . Nguyen" , Alim Akhtar , "James E.J. Bottomley" , Stanley Chu , Bean Huo , open list Subject: RE: [RFC PATCH v2 2/2] scsi: ufs: Fix deadlock while suspending ufs host Thread-Topic: [RFC PATCH v2 2/2] scsi: ufs: Fix deadlock while suspending ufs host Thread-Index: AQHW9SVweaqjl0C7LEyqYSs5saNG4ao89QUA Date: Thu, 28 Jan 2021 12:21:32 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: codeaurora.org; dkim=none (message not signed) header.d=none;codeaurora.org; dmarc=none action=none header.from=wdc.com; x-originating-ip: [212.25.79.133] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 27a6edaa-bd7b-4e5c-1e3e-08d8c3873f73 x-ms-traffictypediagnostic: DM6PR04MB6795: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:5236; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM6PR04MB6575.namprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(39860400002)(366004)(396003)(136003)(376002)(346002)(478600001)(6506007)(33656002)(316002)(7416002)(5660300002)(55016002)(15650500001)(64756008)(4326008)(66476007)(9686003)(186003)(66946007)(8936002)(54906003)(52536014)(76116006)(110136005)(558084003)(83380400001)(66556008)(26005)(86362001)(2906002)(8676002)(7696005)(71200400001)(66446008);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: =?us-ascii?Q?ofsR4/K42BPHnaMF2nwQGbno2sSFj4EWdxLphqZTx0Q0+r95/5Hshq00wt2x?= =?us-ascii?Q?rsAt9B+bfy6o3up9CRttGMyg7GhjpA1JiEfQvwPbrWva7VGredrI11DN68qo?= =?us-ascii?Q?nBpKHN3ho2xWVnsJI1DNctRvL3MfOnk+cQH7cU6ZtZOIrYj0w9JSkWISvOjv?= =?us-ascii?Q?OOGKZbaMVgrqJaaVPy+ve7n+dHGSEX2IybhVyWHwa0gIpHCpTcA7nKAvbw4D?= =?us-ascii?Q?1zewgiYe8ura1/yw3QmhZjYq9UtsyG0/cMeRSgEPb5Ezn6v/HUoa69zZMDUK?= =?us-ascii?Q?hn+N1zbb0LU5iZRuL/0Ci4Jmz+gIFf9LCht0tp6qQMHYEQSSKJwuir+RWnZs?= =?us-ascii?Q?zP7meZU/4gZ3S1qVmhh4LljUOYxkYA+on0etSEOtiF42nwx7hWtcApOd2GiH?= =?us-ascii?Q?CRYrhBFdld/NjZbRvhRIK4+gJig0YJMhIyMvXtbRk1kAGKVAym8tBNAhtp3Y?= =?us-ascii?Q?BMLgOd2hxMbf2itVuq/ynQ4tJ8fjCGWKFc6+IRc/Sj74qupIbtJ2X7zT2JAW?= =?us-ascii?Q?rp5Z300KlUDEP7zaFkckOfB0DVp5Btds/+x7hjsxJA5fMbXnGa43Dhl+XWHQ?= =?us-ascii?Q?nLfukzpa0z/QpVeK/h09yWK0ych8lk8B4cXhwRljKRBei1GPzhkTuECCjKui?= =?us-ascii?Q?lI/KkRNIYKkZPasCoir+M9YnNkpIFKaIxV3yMUciZXxwgG9uRT5OlS1J7OKn?= =?us-ascii?Q?Fgv6Fdysu0Nq+3YSPBxMnS5HR1JNU4x50BTOJPf9S1lGQrd2VgTLOM0cjxYk?= =?us-ascii?Q?CS0bNLmC1PBDiTlRDNuHahdgk4ho84+ivcpKWJELlFY8yogazPhhv+JgSTyR?= =?us-ascii?Q?TRpCxBB4tKSrTQTzs9lpzy8teP9THLx2Ma3mxXJ/UqPw1A8hpLPYZ98rx8xj?= =?us-ascii?Q?Jb2qFf4xCAvnD4kdEc5OazWPlIgkS3u6pHtIBvUHKXCvIk16Ba1YUPENB9oD?= =?us-ascii?Q?0yko+lNFOV3OZJFCzm64tocpj/I1XsFlxvXtzFrPBKNwtQpuKwW0SeFmST9v?= =?us-ascii?Q?cA/Vsg/l4Tx5VT4XdqtUqXvAl3NWSKYwsQ9RJXd4dUGdch49OBsB493h1YLH?= =?us-ascii?Q?lEsoc5JG?= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR04MB6575.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 27a6edaa-bd7b-4e5c-1e3e-08d8c3873f73 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Jan 2021 12:21:32.4499 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: BZewvBdmdAQiMJziUKPNcz+uZN4EsQJrv4Q0hJ763uW6shnX73MJwyEZ/4Eu73D00PNSPEp07iaNDaNOiytqsA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR04MB6795 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >=20 > During runtime-suspend of ufs host, the scsi devices are > already suspended and so are the queues associated with them. > But the ufs host sends SSU to wlun during its runtime-suspend. Do you possible meant: "sends request-sense while clearing UAC to...." Thanks, Avri