From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759233AbaD3ORI (ORCPT ); Wed, 30 Apr 2014 10:17:08 -0400 Received: from mail-by2lp0239.outbound.protection.outlook.com ([207.46.163.239]:50520 "EHLO na01-by2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758905AbaD3ORH convert rfc822-to-8bit (ORCPT ); Wed, 30 Apr 2014 10:17:07 -0400 From: KY Srinivasan To: KY Srinivasan , "davem@davemloft.net" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "devel@linuxdriverproject.org" , "olaf@aepfle.de" , "apw@canonical.com" , "jasowang@redhat.com" Subject: RE: [PATCH V1 net-next 1/1] hyperv: Enable sendbuf mechanism on the send path Thread-Topic: [PATCH V1 net-next 1/1] hyperv: Enable sendbuf mechanism on the send path Thread-Index: AQHPXzK1xiTkjzdkc0SXAOin2nil25sqPr8Q Date: Wed, 30 Apr 2014 14:17:04 +0000 Message-ID: <7a7fd7286bc44121839ec68c8d1458b2@BY2PR03MB299.namprd03.prod.outlook.com> References: <1398288285-16268-1-git-send-email-kys@microsoft.com> In-Reply-To: <1398288285-16268-1-git-send-email-kys@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [50.135.110.52] x-forefront-prvs: 0197AFBD92 x-forefront-antispam-report: SFV:NSPM;SFS:(10009001)(6009001)(428001)(377454003)(51704005)(199002)(189002)(13464003)(77982001)(76482001)(76576001)(81542001)(46102001)(81342001)(2201001)(92566001)(4396001)(86612001)(86362001)(99396002)(19580395003)(99286001)(19580405001)(83322001)(31966008)(80976001)(85852003)(83072002)(33646001)(101416001)(74662001)(74502001)(50986999)(1511001)(20776003)(77096999)(79102001)(54356999)(76176999)(66066001)(80022001)(2656002)(87936001)(74316001)(24736002);DIR:OUT;SFP:1101;SCL:1;SRVR:BY2PR03MB299;H:BY2PR03MB299.namprd03.prod.outlook.com;FPR:B6DF7906.B933ED3A.B1F023DF.C2E27BB0.201D3;MLV:sfv;PTR:InfoNoRecords;A:1;MX:1;LANG:en; Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-OriginatorOrg: microsoft.onmicrosoft.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: K. Y. Srinivasan [mailto:kys@microsoft.com] > Sent: Wednesday, April 23, 2014 2:25 PM > To: davem@davemloft.net; netdev@vger.kernel.org; linux- > kernel@vger.kernel.org; devel@linuxdriverproject.org; olaf@aepfle.de; > apw@canonical.com; jasowang@redhat.com > Cc: KY Srinivasan > Subject: [PATCH V1 net-next 1/1] hyperv: Enable sendbuf mechanism on the > send path > > We send packets using a copy-free mechanism (this is the Guest to Host > transport via VMBUS). While this is obviously optimal for large packets, it may > not be optimal for small packets. Hyper-V host supports a second mechanism > for sending packets that is "copy based". We implement that mechanism in > this patch. > > In this version of the patch I have addressed a comment from David Miller. David, Please let me know if there is some other issue you want addressed in this patch. Regards, K. Y