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e00387d582
Use the new iommu support in the memory core for iommu support. The only user, spapr, is also converted, but it still provides a DMAContext interface until the non-PCI bits switch to AddressSpace. Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Avi Kivity <avi.kivity@gmail.com> [ Do not calls memory_region_del_subregion() on the device's bus_master_enable_region, it is an alias; return an AddressSpace from the IOMMU hook and remove the destructor hook. - David Gibson ] Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>