On 15/12/15 06:33, Juergen Gross wrote: > With support of the virtual mapped linear p2m list for migration it is > now possible to detect structural changes of the p2m list which before > would either lead to a crashing or otherwise wrong behaving domU. > > A guest supporting the linear p2m list will increment the > p2m_generation counter located in the shared info page before and after > each modification of a mapping related to the p2m list. A change of > that counter can be detected by the tools and reacted upon. > > As such a change should occur only very rarely once the domU is up the > most simple reaction is to cancel migration in such an event. > > Signed-off-by: Juergen Gross <jgr...@suse.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
