From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH v6 0/13] Migration Stream v2
Date: Tue, 8 Jul 2014 18:35:27 +0100
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Keir Fraser <keir@xen.org>, Ian Campbell <Ian.Campbell@citrix.com>, Tim Deegan <tim@xen.org>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Xen-devel <xen-devel@lists.xen.org>, Frediano Ziglio <frediano.ziglio@citrix.com>, David Vrabel <david.vrabel@citrix.com>, Jan Beulich <JBeulich@suse.com>
List-Id: xen-devel@lists.xenproject.org

On 08/07/14 17:35, Konrad Rzeszutek Wilk wrote:
> On Mon, Jul 07, 2014 at 06:37:49PM +0100, Andrew Cooper wrote:
>> Hello,
>>
>> Presented here for review is v6 of the Migration Stream v2 work.
>>
>> v6 follows the integration of this code into XenServer, and having the full
>> suite of XenRT tests being run.  Included in these tests are live migrations
>> from 32bit toolstacks to 64bit toolstacks, using the python conversion script.
>> Several corruption issues have been located and fixed, as well as many minor
>> improvements.
>>
>> In addition, performance tests have been performed.  After finding an initial
>> regression, the code uas been tweaked to use writev() in preference to
>> write() which vastly reduces the number of system calls performed.  The
>> performance is now better than the legacy code for all sizes of VM.
> Fantastic!
>
> .. snip..
>> The code is presented here for comment/query/critism.
> My notes say: 'tmem and remus need work'. Is that addressed by this
> patchset or would that be further work?
>
> Thank you.

tmem still completely outstanding.

remus is being worked on by Yang (which is fantastic from my point of
view).  I believe this is a PoC apparently working?

~Andrew