From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shirley Ma Subject: Re: [PATCH V5 4/6 net-next] vhost: vhost TX zero-copy support Date: Tue, 17 May 2011 15:21:29 -0700 Message-ID: <1305670889.10756.42.camel@localhost.localdomain> References: <1305574484.3456.30.camel@localhost.localdomain> <20110516204540.GD18148@redhat.com> <1305579414.3456.49.camel@localhost.localdomain> <20110516212401.GF18148@redhat.com> <1305606683.10756.3.camel@localhost.localdomain> <20110517055503.GA26989@redhat.com> <1305645734.10756.14.camel@localhost.localdomain> <20110517152840.GA2389@redhat.com> <1305646444.10756.16.camel@localhost.localdomain> <1305665419.10756.33.camel@localhost.localdomain> <20110517212827.GC7589@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: David Miller , Eric Dumazet , Avi Kivity , Arnd Bergmann , netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: "Michael S. Tsirkin" Return-path: In-Reply-To: <20110517212827.GC7589@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Wed, 2011-05-18 at 00:28 +0300, Michael S. Tsirkin wrote: > On Tue, May 17, 2011 at 01:50:19PM -0700, Shirley Ma wrote: > > Resubmit the patch with most update. This patch passed some > > live-migration test against RHEL6.2. I will run more stress test w/i > > live migration. > > > > Signed-off-by: Shirley Ma > > Cool. cleanup path needs a fix - are you use you can > not use kobj or some other existing refcounting? > > Is perf regressiion caused by tx ring overrun gone now? > > I added some comments about how we might be aqble > to complete requests out of order but it's not a must. Oops, I used the old version vhost patch instead of most update one. I will integrate your comments below and submit V6 patch instead. thanks Shirley