From owner-freebsd-net@freebsd.org Wed Apr 19 02:39:04 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 96433D44C29 for ; Wed, 19 Apr 2017 02:39:04 +0000 (UTC) (envelope-from David.Somayajulu@cavium.com) Received: from NAM02-CY1-obe.outbound.protection.outlook.com (mail-cys01nam02on0087.outbound.protection.outlook.com [104.47.37.87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "Microsoft IT SSL SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 517C0DBF for ; Wed, 19 Apr 2017 02:39:03 +0000 (UTC) (envelope-from David.Somayajulu@cavium.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=JtDUoFLsneMCgHhptPCz5++OYv6vaKfXQcMoVcGpbu4=; b=gGxmMj5PFa7V75EswS+E0tfA9Eq4ngWJsWUvIbe/1nZOgkvHcyjYeClyCdjfeciJTeZrEzdYwCGZODvhQhI3/apo9CEPEIu1eKSMX5bfvoGxDhbsjWn4Rv6/puCqPKikUQbr7kS+JhwlA0jbH8Nhr9Dm4sUiy4wn+WNMvNU62Uo= Received: from BY2PR07MB1474.namprd07.prod.outlook.com (10.162.76.152) by BY2PR07MB1476.namprd07.prod.outlook.com (10.162.76.154) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1034.10; Wed, 19 Apr 2017 02:39:01 +0000 Received: from BY2PR07MB1474.namprd07.prod.outlook.com ([10.162.76.152]) by BY2PR07MB1474.namprd07.prod.outlook.com ([10.162.76.152]) with mapi id 15.01.1034.015; Wed, 19 Apr 2017 02:39:00 +0000 From: "Somayajulu, David" To: "freebsd-net@freebsd.org" Subject: RE: Question on taskqueue_drain Thread-Topic: Question on taskqueue_drain Thread-Index: AdK4na5gtgOJ17dzQtGmCh0DkfpjpgAGAVKw Date: Wed, 19 Apr 2017 02:39:00 +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: freebsd.org; dkim=none (message not signed) header.d=none;freebsd.org; dmarc=none action=none header.from=cavium.com; x-originating-ip: [198.186.0.2] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; BY2PR07MB1476; 7:7OuXzUGZtZbtiEF+2io2XsLh8M5h6bjWGFWq3w/FCBY0mmoYYe617EqHnVqp4L8RAJF+Pe22rDBrOZjpnY0TUqUEypNuVmYYoMea9DhhPcjr8vSVWZPMFc9TMW3YnjNLhRVKswbDNFTFWwz96UtwKpKAp2m31WfcK3Y6Csz7Gi3FvZJqwTF9wyKlMeok7Kcy4NOrEh+/lKF6sxiK+I2SiOnX6C6wH0bWtHALxRTLqGGOfdZzX3nEv6H5bTqy/OAx+/OVP3Gof+wRdkqdSmJEWTGe7kXXTycfHS13YJJdhS+Bx7vLct53YnRgHJroOIgZNcTEAztUf7ajXM68euEIhA== x-ms-office365-filtering-correlation-id: a63e5f94-d801-4525-20e3-08d486cd3ca1 x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(22001)(2017030254075)(201703131423075)(201703031133081)(201702281549075); SRVR:BY2PR07MB1476; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(6040450)(601004)(2401047)(8121501046)(5005006)(10201501046)(93006095)(93001095)(3002001)(6041248)(20161123562025)(201703131423075)(201702281528075)(201703061421075)(20161123560025)(20161123555025)(20161123564025)(6072148); SRVR:BY2PR07MB1476; BCL:0; PCL:0; RULEID:; SRVR:BY2PR07MB1476; x-forefront-prvs: 028256169F x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(6009001)(39840400002)(39450400003)(39410400002)(39400400002)(39850400002)(54356999)(3660700001)(3280700002)(8936002)(7116003)(7696004)(5660300001)(81166006)(33656002)(2906002)(66066001)(8676002)(76176999)(25786009)(3846002)(6116002)(229853002)(189998001)(102836003)(2950100002)(86362001)(6916009)(2900100001)(110136004)(50986999)(38730400002)(99286003)(558084003)(122556002)(2351001)(55016002)(305945005)(2501003)(6436002)(77096006)(53936002)(74316002)(6506006)(5640700003)(6246003)(7736002)(9686003); DIR:OUT; SFP:1101; SCL:1; SRVR:BY2PR07MB1476; H:BY2PR07MB1474.namprd07.prod.outlook.com; FPR:; SPF:None; MLV:sfv; LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: cavium.com X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Apr 2017 02:39:00.7421 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 711e4ccf-2e9b-4bcf-a551-4094005b6194 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR07MB1476 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Apr 2017 02:39:04 -0000 Sorry what I meant to ask was, whether it is O.K to call taskqueue_drain(),= when an MTX_DEF lock is grabbed prior to calling taskqueue_drain(). Thanks David S. (davidcs@freebsd.org)