>>> On 05.02.16 at 04:44, <kevin.t...@intel.com> wrote: > This is why Yu mentioned earlier whether we can just set a default > limit which is good for majority of use cases, while extending our > device mode to drop/recreate some shadow tables upon the limitation > is hit. I think this matches how today's CPU shadow page table is > implemented, which also has a limitation of how many shadow pages > are allowed per-VM.
Except that un-shadowing some victim page in order to shadow one to make forward progress can there be done in the page fault handler, i.e. we don't need to up front determine the set of pages to be shadowed for a certain operation to complete. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
