RE: [PATCH v4 2/6] iommu/sva: Move PASID helpers to sva code

[Tian, Kevin]

> From: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> Sent: Thursday, March 2, 2023 7:57 AM
>
> -static inline void mm_pasid_drop(struct mm_struct *mm)
> -{
> -	if (pasid_valid(mm->pasid)) {
> -		ioasid_free(mm->pasid);
> -		mm->pasid = INVALID_IOASID;
> -	}
> -}
> +void mm_pasid_drop(struct mm_struct *mm);

Is it good to have a function declared in a header file of one
subsystem while being implemented in another subsystem?