On Thu, Oct 10, 2024 at 3:57 PM Zhenzhong Duan <zhenzhong.d...@intel.com> wrote: > > VT-d spec removed Transient Mapping (TM) field from second-level page-tables > and treat the field as Reserved(0) since revision 3.2. > > Changing the field as reserved(0) will break backward compatibility, so > introduce a property "x-stale-tm" to allow user to control the setting.
Nit: I think we probably don't need the x prefix? As we try to maintain the compatibility via: > + { TYPE_INTEL_IOMMU_DEVICE, "x-stale-tm", "on" }, ? Thanks