On Fri, Jan 20, 2017 at 06:41:06AM +0000, Tian, Kevin wrote: > > From: Roger Pau Monne [mailto:roger....@citrix.com] > > Sent: Friday, January 20, 2017 1:30 AM > > > > There's nothing wrong with allowing the domain to perform DMA transfers to > > MMIO areas that it already can access from the CPU, and this allows us to > > remove the hack in set_identity_p2m_entry for PVH Dom0. > > > > Signed-off-by: Roger Pau Monné <roger....@citrix.com> > [...] > > @@ -840,6 +840,10 @@ static inline unsigned int > > p2m_get_iommu_flags(p2m_type_t > > p2mt) > > case p2m_grant_map_ro: > > flags = IOMMUF_readable; > > break; > > + case p2m_mmio_direct: > > + flags = IOMMUF_readable; > > + if ( rangeset_contains_singleton(mmio_ro_ranges, mfn_x(mfn)) ) > > + flags |= IOMMUF_writable; > > I suppose you meant !rangeset_contains_singleton...
Yes, that's for catching that, it's now fixed. Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
