field, Jon ; Joonas Lahtinen
> > ; Matthew Auld
> > ; David Herrmann
> >
> > Subject: [PATCH v2] drm/i915: Prevent writing into a read-only object via a
> > GGTT mmap
> >
> > If the user has created a read-only object, they should not be allowed
> >
: [PATCH v2] drm/i915: Prevent writing into a read-only object via a
> GGTT mmap
>
> If the user has created a read-only object, they should not be allowed
> to circumvent the write protection by using a GGTT mmapping. Deny it.
>
> Also most machines do not support read-only G
If the user has created a read-only object, they should not be allowed
to circumvent the write protection by using a GGTT mmapping. Deny it.
Also most machines do not support read-only GGTT PTEs, so again we have
to reject attempted writes. Fortunately, this is known a priori, so we
can at least
