From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id DE191CF9 for ; Tue, 29 Sep 2015 17:31:33 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP; 29 Sep 2015 08:31:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,608,1437462000"; d="scan'208";a="570581402" Received: from fmsmsx105.amr.corp.intel.com ([10.18.124.203]) by FMSMGA003.fm.intel.com with ESMTP; 29 Sep 2015 08:31:31 -0700 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by FMSMSX105.amr.corp.intel.com (10.18.124.203) with Microsoft SMTP Server (TLS) id 14.3.248.2; Tue, 29 Sep 2015 08:31:31 -0700 Received: from shsmsx101.ccr.corp.intel.com ([169.254.1.75]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.12]) with mapi id 14.03.0248.002; Tue, 29 Sep 2015 23:31:29 +0800 From: "Xie, Huawei" To: Thomas Monjalon Thread-Topic: [dpdk-dev] [PATCH] vhost: vhost injects interrupts to guest for each packet Thread-Index: AdD6y+jT91x5QdcMRJu+qbKX6BPBKw== Date: Tue, 29 Sep 2015 15:31:28 +0000 Message-ID: References: <1442823374-5233-1-git-send-email-huawei.xie@intel.com> <1675372.Tx0nYd5Zsd@xps13> Accept-Language: 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 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] [PATCH] vhost: vhost injects interrupts to guest for each packet 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: Tue, 29 Sep 2015 15:31:35 -0000 On 9/25/2015 4:00 AM, Thomas Monjalon wrote:=0A= > Please reword the title (no need to re-send the patch),=0A= > so that you describe what the patch do (batch interrupt).=0A= >=0A= > 2015-09-21 16:16, Huawei Xie:=0A= >> In merge-able RX path, vhost injects interrupts to guest for each packet= .=0A= >> This should degrade performance a lot.=0A= >> This patch fixes this issue by injecting one interrupt for a batch of pa= ckets. =0A= >=0A= Hi Thomas:=0A= title:=0A= vhost: inject one interrupt only for a batch of packets=0A= Do you mean this?=0A=