Re: [PATCH v2 04/12] AMD/IOMMU: add helper to check whether ATS is to be used for a device

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Thu, Feb 15, 2024 at 11:15:12AM +0100, Jan Beulich wrote:
> The same set of conditions is used in three places, requiring to be kept
> in sync. Introduce a helper to centralize these checks.
> 
> To allow all parameters of the new helper be pointer-to-const,
> iommu_has_cap() also needs its 1st parameter to be constified. Beyond
> that further "modernize" that function.
> 
> Requested-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks, Roger.