On 31 May 2018 at 12:35, Chris Wilson <ch...@chris-wilson.co.uk> wrote: > From: Jon Bloomfield <jon.bloomfi...@intel.com> > > We can set a bit inside the ppGTT PTE to indicate a page is read-only; > writes from the GPU will be discarded. We can use this to protect pages > and in particular support read-only userptr mappings (necessary for > importing PROT_READ vma). > > Signed-off-by: Jon Bloomfield <jon.bloomfi...@intel.com> > Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> > Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com> > Cc: Matthew Auld <matthew.william.a...@gmail.com> > Reviewed-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
fwiw I didn't see any surprises with ro 2M/64K PTEs when testing locally. For the series: Reviewed-by: Matthew Auld <matthew.william.a...@gmail.com> _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
