On Tue, Nov 27, 2018 at 04:24:40PM +0100, Roger Pau Monne 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 <[email protected]> > Reviewed-by: Jan Beulich <[email protected]>
Acked-by: Brian Woods <[email protected]> -- Brian Woods _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
