On 12.04.2022 11:22, Roger Pau Monné wrote: > 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>
Thanks. > I would maybe prefer to get more specific error message rather than > "IOMMU: unsupported" and a dump of the iommu registers. Perhaps, but this extends to other properties being checked as well then, I would say, and hence may want to be the subject of yet another patch. Jan
