>>> On 20.11.14 at 19:28, <andrew.coop...@citrix.com> wrote: > Should the guest change the p2m structure during live migration, the > toolstack ends up with a stale p2m with a non-p2m frame in the middle, > resulting in bogus cross-referencing. Should the guest change an entry > in the p2m, the p2m frame itself will be resent as it would be marked as > dirty in the logdirty bitmap, but the target pfn will remain unsent and > probably stale on the receiving side.
MMU_MACHPHYS_UPDATE processing marks the page being changed as dirty. Perhaps guest_physmap_{add,remove}_page() (or certain callers thereof) should do so too? Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel