Hi Jonathan,
...
> > + set_address_limits(area, vma, obj_offset, &start, &end);
> > +
> > + pfn = (ggtt->gmadr.start + i915_ggtt_offset(vma)) >> PAGE_SHIFT;
> > + pfn += (start - area->vm_start) >> PAGE_SHIFT;
> > + pfn += obj_offset - vma->gtt_view.partial.offset;
>
> I don't know how v
-Original Message-
From: Intel-gfx On Behalf Of Andi
Shyti
Sent: Friday, August 2, 2024 1:39 AM
To: intel-gfx ; dri-devel
Cc: Jann Horn ; Jani Nikula ;
Joonas Lahtinen ; Vivi, Rodrigo
; Tvrtko Ursulin ; Jann Horn
; Chris Wilson ; Niemiec,
Krzysztof ; Andi Shyti ;
Auld, Matthew ; An
On Fri, Aug 2, 2024 at 10:39 AM Andi Shyti wrote:
> Calculating the size of the mapped area as the lesser value
> between the requested size and the actual size does not consider
> the partial mapping offset. This can cause page fault access.
>
> Fix the calculation of the starting and ending addr
