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RE: [Xen-devel] auto-translated-physmap resume


  • To: "Andres Lagar-Cavilla" <andreslc@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>
  • Date: Tue, 25 Sep 2007 22:14:59 +0100
  • Delivery-date: Tue, 25 Sep 2007 14:15:52 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acf/sk9KGDdTB4VhREinrxwnbF5uGwABpJeg
  • Thread-topic: [Xen-devel] auto-translated-physmap resume

> I was wondering, perhaps in my ignorance, what prevents an
> auto-translated-physmap linux guest from being suspended/resumed.
> As far as I understand, there would be no need for pagetable
> canonicalization code in xc_linux_save, as well as no need for those
> mfn_to_pfn translations in pre_suspend (and viceversa in post_suspend)
> Anything I am missing?

That's about it -- there's less to do if you're using shadow pagetables.
Since auto-translated-physmap is typically only used by various research
projects its not particularly well maintained, but its usually easy to
fix up.

Ian





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