On 02/03/15 17:43, Andrew Cooper wrote: > On 02/03/15 17:34, David Vrabel wrote: >> >> A guest that previously had 2 vNUMA nodes is migrated to a host with >> only 1 pNUMA node. It should still have 2 vNUMA nodes. > > A natural consequence of vNUMA is that the guest must expect the vNUMA > layout to change across suspend/resume. The toolstack cannot guarentee > that it can construct a similar vNUMA layout after a migration. This > includes the toolstack indicating that it was unable to make any useful > NUMA affinity with the memory ranges.
Eep! I very much doubt we can do anything in Linux except retain the existing NUMA layout across a save/restore. David _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
