>>> On 20.11.18 at 17:01, <roger....@citrix.com> wrote: > AMD IOMMU devices are exposed on the PCI bus, and thus are assigned by > default to the hardware domain. This can cause issues because the > IOMMU devices themselves are not behind an IOMMU, so update_paging_mode will > return an error if Xen tries to expand the page tables of a domain > that has assigned devices not behind an IOMMU. update_paging_mode > failing will cause the domain to be destroyed. > > Fix this by hiding PCI IOMMU devices, so they are not assigned to the > hardware domain. > > Signed-off-by: Roger Pau Monné <roger....@citrix.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
