On Mon, Apr 11, 2022 at 11:37:28AM +0200, Jan Beulich wrote: > The field taking the value 7 (resulting in 18-bit DIDs when using the > calculation in cap_ndoms(), when the DID fields are only 16 bits wide) > is reserved. Instead of misbehaving in case we would encounter such an > IOMMU, refuse to use it. > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Reviewed-by: Roger Pau Monné <roger....@citrix.com> I would maybe prefer to get more specific error message rather than "IOMMU: unsupported" and a dump of the iommu registers. Thanks, Roger.