Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755268AbaGQG7m (ORCPT ); Thu, 17 Jul 2014 02:59:42 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47508 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755216AbaGQG7j (ORCPT ); Thu, 17 Jul 2014 02:59:39 -0400 Message-ID: <53C7744E.60806@redhat.com> Date: Thu, 17 Jul 2014 14:59:26 +0800 From: Jason Wang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: David Miller CC: rusty@rustcorp.com.au, mst@redhat.com, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next V2 0/3] rx busy polling support for virtio-net References: <1405491707-22706-1-git-send-email-jasowang@redhat.com> <20140716.232116.802194909968085691.davem@davemloft.net> In-Reply-To: <20140716.232116.802194909968085691.davem@davemloft.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/17/2014 02:21 PM, David Miller wrote: > From: Jason Wang > Date: Wed, 16 Jul 2014 14:21:44 +0800 > >> Hi all: >> >> This series introduces the support for rx busy polling support. This >> was useful for reduing the latency for a kvm guest. Patch 1-2 >> introduces helpers which is used for rx busy polling. Patch 3 >> implement the main function. >> >> Test was done between a kvm guest and an external host. Two hosts were >> connected through 40gb mlx4 cards. With both busy_poll and busy_read are >> set to 50 in guest, 1 byte netperf tcp_rr shows 116% improvement: >> transaction rate was increased from 9151.94 to 19787.37. >> >> Changes from V1: >> - split the patch info smaller ones >> - add more details about test setup/configuration >> >> Please review. > Looks like you can make some minor adjustments based upon review, and > anyways I'd like to wait for Michael to get back and review a change > of this nature. > > Thanks. Ok, I will wait for Michael's comments and then post V3. Thanks -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/