Peter Grehan 72ed31087b Fix boot-time hang/panic on G3 systems when modifying IBAT0 in
pmap_bootstrap by using the sync;isync big hammer to make sure
all prior operations have completed.

Reported by:	Nathan Whitehorn <nathan at uchicago edu>
MFC after:	2 days
2005-09-10 21:03:10 +00:00
..