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Re: [Xen-devel] [PATCH] xen: update machine_to_phys_order on resume

On Wed, Jul 13, Jan Beulich wrote:

> >>> Ian Campbell <Ian.Campbell@xxxxxxxxxx> 07/13/11 11:12 AM >>>
> >It's not so much an objection to this patch but this issue seems to have
> >been caused by Xen cset 20892:d311d1efc25e which looks to me like a
> >subtle ABI breakage for guests. Perhaps we should introduce a feature
> >flag to indicate that a guest can cope with the m2p changing size over
> >migration like this?
> Indeed - migration was completely beyond my consideration when
> submitting this. A feature flag seems the right way to go to me.

I will prepare a patch for a new feature flag.


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