From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 9B1A63975 for ; Wed, 27 Aug 2014 02:39:56 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP; 26 Aug 2014 17:43:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,407,1406617200"; d="scan'208";a="582135040" Received: from fmsmsx105.amr.corp.intel.com ([10.18.124.203]) by fmsmga001.fm.intel.com with ESMTP; 26 Aug 2014 17:43:52 -0700 Received: from fmsmsx114.amr.corp.intel.com (10.18.116.8) by FMSMSX105.amr.corp.intel.com (10.18.124.203) with Microsoft SMTP Server (TLS) id 14.3.195.1; Tue, 26 Aug 2014 17:43:52 -0700 Received: from shsmsx101.ccr.corp.intel.com (10.239.4.153) by FMSMSX114.amr.corp.intel.com (10.18.116.8) with Microsoft SMTP Server (TLS) id 14.3.195.1; Tue, 26 Aug 2014 17:43:51 -0700 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.246]) by SHSMSX101.ccr.corp.intel.com ([169.254.1.198]) with mapi id 14.03.0195.001; Wed, 27 Aug 2014 08:43:50 +0800 From: "Ouyang, Changchun" To: "Xie, Huawei" , "dev@dpdk.org" Thread-Topic: [RFC] lib/librte_vhost: qemu vhost-user support into DPDK vhost library Thread-Index: Ac/BHV0IrPGOjNirTxKCPui4m3t8YwAAB/VwAByXNlA= Date: Wed, 27 Aug 2014 00:43:49 +0000 Message-ID: References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [RFC] lib/librte_vhost: qemu vhost-user support into DPDK vhost library X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Aug 2014 00:39:57 -0000 Do we have performance comparison between both implementation? Thanks Changchun -----Original Message----- From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Xie, Huawei Sent: Tuesday, August 26, 2014 7:06 PM To: dev@dpdk.org Subject: Re: [dpdk-dev] [RFC] lib/librte_vhost: qemu vhost-user support int= o DPDK vhost library Hi all: We are implementing qemu official vhost-user interface into DPDK vhost libr= ary, so there would be two coexisting implementations for user space vhost = backend. Pro and cons in my mind: Existing solution: Pros: works with qemu version before 2.1; Cons: depends on eventfd proxy = kernel module and extra maintenance effort Qemu vhost-user: Pros: qemu official us-vhost interface; Cons: only avai= lable after qemu 2.1 BR. huawei