Re: [PATCH v2 03/18] IOMMU: have vendor code announce supported page sizes

[Julien Grall <julien@xxxxxxx>]

Hi Jan,

On 24/09/2021 10:43, Jan Beulich wrote:
> Generic code will use this information to determine what order values
> can legitimately be passed to the ->{,un}map_page() hooks. For now all
> ops structures simply get to announce 4k mappings (as base page size),
> and there is (and always has been) an assumption that this matches the
> CPU's MMU base page size (eventually we will want to permit IOMMUs with
> a base page size smaller than the CPU MMU's).
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
Acked-by: Julien Grall <jgrall@xxxxxxxxxx>

Cheers,

--
Julien Grall