Konstantin Belousov c06f5f6cea Do not allow the kernel to access usermode pages without installed
fault handler. Panic immediately in such situation, on i386 and amd64.

Reviewed by:	avg, jhb
MFC after:	1 week
2011-10-03 17:01:31 +00:00
..
2010-11-12 20:55:14 +00:00