95c3baa7ee
in a SMP system. Unexpected things could happen if each cpu has a different ldt setting and one cpu tries to use value of currentldt set by another cpu. The fix is to move currentldt to the per-cpu area. It includes patches I filed in PR i386/6219 which are also user ldt related. PR: i386/7591, i386/6219 Submitted by: Luoqi Chen <luoqi@watermarkgroup.com>