Re: [PATCHv10 10/15] x86/mm, iommu/sva: Make LAM and SVM mutually exclusive

[Dave Hansen]

On 10/18/22 15:33, Kirill A. Shutemov wrote:
>> Is this #ifdef really necessary?  CONFIG_IOMMU_SVA selects IOASID,
>> without which pasid_valid() is just stubbed out to 0.
> mm->pasid is only defined for CONFIG_IOMMU_SVA=y.
> 
> Do you want me to add mm_has_valid_pasid()?

A quick grep makes it look like pasid_valid() could be *replaced* with
mm_has_pasid_valid() since all the places doing pasid_valid() do it with
mm->pasid.