Re: [Xen-devel] [RFC PATCH 0/3] Xen hvm saving improvements

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 12/16/2013 09:44 AM, Ian Campbell wrote:
> On Mon, 2013-12-16 at 02:17 +0000, Andrew Cooper wrote:
> > This series is *very* RFC at the moment - it is only compile tested.  I would
> > very much appreciate review on the design. (and I shall see about sorting out
> > some dev testing tomorrow)
> >
> > The ultimate purpose is to fix that the fact that
> > XEN_DOMCTL_gethvmcontext_partial is very unreliable at providing the correct
> > subset of information.
> >
> > All the changes are supposed to be internal to Xen.  There should be no
> > difference at all to the result of XEN_DOMCTL_gethvmcontext (which can be used
> > as a useful dev test for the validity of the changes).
> >
> > George: As for whether this is intended for 4.5, I have no idea.  On the one
> > hand, it is fixing a hypercall which doesn't function correctly, but on the
> > other hand, it is a very large and complicated set of changes relevant to
> > migration.  Then again, the majority of the changes were largely mechanical,
> > and there is a simple test to prove whether there are bugs or not.  I shall
> > defer to others for comments on the risk/rewards of this series.
> IMHO this is obviously not 4.4 material at this stage. Apart from
> anything else we've been managing to release with these short comings
> for many years.
Indeed.

 -George


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