> 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... Thanks Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
