tree 09ab99dd19a289a5c079f02c19e95991ffb0c2c8
parent 003f6c9df54970d8b19578d195b3e2b398cdbde2
author Ben Skeggs <bskeggs@redhat.com> 1315944486 +1000
committer Dave Airlie <airlied@redhat.com> 1316003691 +0100

drm/ttm: request zeroed system memory pages for new TT buffer objects

Fixes an information leak to userspace, we were handing out un-zeroed pages
for any newly created TTM_PL_TT buffer.

Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Tested-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>