Re: Backport requests of cs 23420..23423 for 4.0 and 4.1

[Keir Fraser <keir@xen.org>]

On 13/07/2012 11:07, "Andrew Cooper" <andrew.cooper3@citrix.com> 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"<juergen.gross@ts.fujitsu.com>  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.