Re: [PATCH v2 5/9] IOMMU: add common API for device reserved memory

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

On Thu, Jul 14, 2022 at 12:17:53PM +0200, Jan Beulich wrote:
> On 06.07.2022 17:32, Marek Marczykowski-Górecki wrote:
> > --- a/xen/drivers/passthrough/iommu.c
> > +++ b/xen/drivers/passthrough/iommu.c
> > @@ -651,6 +651,46 @@ bool_t iommu_has_feature(struct domain *d, enum 
> > iommu_feature feature)
> >      return is_iommu_enabled(d) && test_bit(feature, 
> > dom_iommu(d)->features);
> >  }
> >  
> > +#define MAX_EXTRA_RESERVED_RANGES 20
> > +struct extra_reserved_range {
> > +    xen_pfn_t start;
> 
> Why not unsigned long?

Isn't this the correct type for the page number?

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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