> From: Roger Pau Monne [mailto:roger....@citrix.com] > Sent: Thursday, August 17, 2017 5:32 PM > > On Thu, Aug 17, 2017 at 03:12:02AM +0000, Tian, Kevin wrote: > > > From: Roger Pau Monne > > > Sent: Saturday, August 12, 2017 12:43 AM > > > > > > They are emulated by Xen, so they must not be mapped into Dom0 p2m. > > > Introduce a helper function to add the MMCFG areas to the list of > > > denied iomem regions for PVH Dom0. > > > > > > Signed-off-by: Roger Pau Monné <roger....@citrix.com> > > > > this patch is a general fix, not just for inclusive mapping. please send > > it separately. > > Hm, not really. > > PV Dom0 should have access to the MMCFG areas, PVH Dom0 shouldn't > because they will emulated by Xen. > > So far MMCFG areas are not mapped into PVH Dom0 p2m, but they will be > once iommu_inclusive_mapping is implemented for PVH Dom0. So I > consider this a preparatory change before enabling > iommu_inclusive_mapping for PVH, rather than a fix. It would be a > fix if iommu_inclusive_mapping was already enabled for PVH Dom0. >
Possibly you need a better description here. otherwise current description has nothing to do with inclusive mapping, based on which it looks a basic PVH dom0 problem (while from your explanation it's not valid today). Thanks Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
