From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752158Ab0I2Oda (ORCPT ); Wed, 29 Sep 2010 10:33:30 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:37554 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751122Ab0I2Od2 (ORCPT ); Wed, 29 Sep 2010 10:33:28 -0400 Subject: Re: [RFC PATCH 2/2] macvtap: TX zero copy between guest and host kernel From: Shirley Ma To: "Michael S. Tsirkin" Cc: Arnd Bergmann , Avi Kivity , "Xin, Xiaohui" , David Miller , netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20100929082820.GC21195@redhat.com> References: <20100914182707.GB15549@redhat.com> <1284490143.13351.82.camel@localhost.localdomain> <20100914190156.GA16037@redhat.com> <1284492983.13351.95.camel@localhost.localdomain> <20100915051241.GA25340@redhat.com> <1284531675.24603.259.camel@localhost.localdomain> <20100915101000.GB28016@redhat.com> <1284562354.2573.12.camel@localhost.localdomain> <1285730669.31343.7.camel@localhost.localdomain> <20100929081645.GA21195@redhat.com> <20100929082820.GC21195@redhat.com> Content-Type: text/plain; charset="UTF-8" Date: Wed, 29 Sep 2010 07:33:14 -0700 Message-ID: <1285770794.31343.10.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 (2.28.3-1.fc12) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2010-09-29 at 10:28 +0200, Michael S. Tsirkin wrote: > I think you should try testing with guest to external communication, > this will uncover some of these correctness issues for you. > I think netperf also has some flag to check data, might > be a good idea to use it for testing. I always tested guest to remote host, remote host to guest. What other external communication do you suggest here? Thanks Shirley