drm/xe/ppgtt: clear the scratch page

We need to ensure we don't leak the contents to userspace.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Matthew Auld 2022-12-22 14:09:02 +00:00 • committed by Rodrigo Vivi
commit e63f81adcc