On Thu, 27 Jun 2013 16:30:07 -0700
Ben Widawsky wrote:
> The PPGTT PDEs serve as the guard page (as long as they remain at the
> top) so we don't need yet another guard page. Note that there is a
> potential issue if the aliasing PPGTT (and later, the default context)
> relinquish this part of th
The PPGTT PDEs serve as the guard page (as long as they remain at the
top) so we don't need yet another guard page. Note that there is a
potential issue if the aliasing PPGTT (and later, the default context)
relinquish this part of the GGTT. We should be able to assert that won't
happen however.
W
