> From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Monday, September 21, 2015 10:03 PM > > In the EPT case permission changes should also result in updates or > TLB flushes. > > In the NPT case the old MFN does not depend on the new entry being > valid (but solely on the old one), and the need to update or TLB-flush > again also depends on permission changes. > > In the shadow mode case, iommu_hap_pt_share should be ignored. > > Furthermore in the NPT/shadow case old intermediate page tables must > be freed only after IOMMU side updates/flushes have got carried out. > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Acked-by: Kevin Tian <kevin.t...@intel.com> Thanks Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel