From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: Backport requests of cs 23420..23423 for 4.0 and 4.1 Date: Thu, 19 Jul 2012 15:37:50 +0100 Message-ID: References: <4FFFF352.3030405@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4FFFF352.3030405@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Andrew Cooper , Juergen Gross Cc: George Dunlap , Ian Jackson , xen-devel List-Id: xen-devel@lists.xenproject.org On 13/07/2012 11:07, "Andrew Cooper" wrote: > On 13/07/12 10:26, Juergen Gross wrote: >> Am 13.07.2012 10:05, schrieb Keir Fraser: >>> On 13/07/2012 07:08, "Juergen Gross" wrote: >>> >>>> Hi, >>>> >>>> we are experiencing significant performance degradation after live >>>> migration >>>> of >>>> hvm domains in Xen 4.0 (SLES11 SP1): after live migration the performance >>>> is >>>> dropping to less than 90%. I did a backport of cs 23420-23423 and the >>>> performance is okay now. >>>> >>>> I would like to request to include these changesets in 4.0 and 4.1. The >>>> backport is quite trivial, I can send patches if you are willing to take >>>> them. >>> Will need an Ack from George and then patches applied by (or at least an Ack >>> from) a tools maintainer. >> Okay, I'll send the patches for 4.1 and 4.0 and George can Ack or Nack them. I haven't seen anything from George or Ian. These are likely to not make it for the next 4.0/4.1 point releases. -- Keir >> Thanks, Juergen >> > > For what it is worth, XenServer have had these patches (the > pre-upstreamed versions) in all Xen-4.x releases we have done. We even > had a customer support escalation and backported them to our last > Xen-3.4 release.