On Mon, Mar 02, 2020 at 05:16:12PM +0100, Joerg Roedel wrote: > On Fri, Feb 28, 2020 at 06:25:36PM +0100, Jean-Philippe Brucker wrote: > > This solution isn't elegant nor foolproof, but is the best we can do at > > the moment and works with existing virtio-iommu implementations. It also > > enables an IOMMU for lightweight hypervisors that do not rely on > > firmware methods for booting. > > I appreciate the enablement on x86, but putting the conmfiguration into > mmio-space isn't really something I want to see upstream. It's in virtio config space, not in mmio-space. With a PCI virtio-IOMMU device this will be in memory. > What is the > problem with defining an ACPI table instead? This would also make things > work on AARCH64 UEFI machines. > > Regards, > > Joerg
