RE: [Xen-devel] [PATCH] Paging and memory sharing for HVM guests

[Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>]

> Does live migration work (reliably) when pages have been
> swapped out?

Never got an answer on this.  If the answer is NO or
not yet (and not likely in time for 4.0), I'd suggest
that a domain that enables page sharing should also
automagically turn on the "no_migrate" flag.

> -----Original Message-----
> From: Dan Magenheimer 
> Sent: Thursday, December 17, 2009 9:20 AM
> To: Grzegorz Milos; xen-devel@xxxxxxxxxxxxxxxxxxx; Patrick 
> Colp; Andrew
> Peace; Keir Fraser
> Subject: RE: [Xen-devel] [PATCH] Paging and memory sharing for HVM
> guests
> 
> 
> Does live migration work (reliably) when pages have been
> swapped out?  IIRC, this is a limitation of VMware's
> implementation (or at least was a limitation at one
> point).
> 
> > -----Original Message-----
> > From: Grzegorz Milos [mailto:gm281@xxxxxxxxx]
> > Sent: Wednesday, December 16, 2009 4:15 PM
> > To: xen-devel@xxxxxxxxxxxxxxxxxxx; Patrick Colp; Andrew Peace; Keir
> > Fraser
> > Subject: [Xen-devel] [PATCH] Paging and memory sharing for 
> HVM guests
> > 
> > 
> > The series of 46 patches attached to this email contain the initial
> > implementation of memory paging and sharing for Xen. Patrick Colp
> > leads the work on the pager, and I am mostly responsible for memory
> > sharing. We would be grateful for any comments/suggestions you might
> > have. Individual patches are labeled with comments describing their
> > purpose and a sign-off footnote. Of course we are happy to discuss
> > them in more detail, as required. Assuming that there are no major
> > objections against including them in the mainstream 
> xen-unstable tree,
> > we would like to move future development to that tree.
> > 
> > Thanks
> > Patrick & Gregor
> >

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