On Fri, Jun 30, 2017 at 05:52:33AM -0600, Jan Beulich wrote: > >>> Roger Pau Monne <roger....@citrix.com> 04/24/17 1:52 PM >>> > >Make sure the reserved regions are setup before enabling the DMA remapping in > >the IOMMU, by calling dom0_setup_permissions before iommu_hwdom_init. Also, > >in > >order to workaround IOMMU issues seen on pre-Haswell Intel hardware, make > >sure > >the DMA remapping is enabled after populating Dom0 p2m. > > Looks reasonable (especially considering that iommu_hwdom_init() is being > called > fairly late in the PV case as well), but please explain the "IOMMU issues > seen on > pre-Haswell Intel hardware" a little here (or if it all is mean to refer to > what patch 3 > does, refer to it).
Yes, it's the same issue as described in patch #3, I will add a reference to the title of the patch if that's fine. Thanks, Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
