On 01.02.2024 18:01, Roger Pau Monne wrote:
> The current code that parses the IVMD blocks is relaxed with regard to the
> restriction that such unity regions should always fall into memory ranges
> marked as reserved in the memory map.
>
> However the type checks for the IVMD addresses are inverted, and as a result
> IVMD ranges falling into RAM areas are accepted. Note that having such ranges
> in the first place is a firmware bug, as IVMD should always fall into reserved
> ranges.
>
> Fixes: ed6c77ebf0c1 ('AMD/IOMMU: check / convert IVMD ranges for being / to
> be reserved')
> Signed-off-by: Roger Pau Monné <[email protected]>
Reviewed-by: Jan Beulich <[email protected]>
