Konstantin Belousov 2e6e48fb59 Initialize pcb_save for thread0.
Otherwise kernel traps on NULL dereference if fpu_kern(9) is used from the
thread0 context.

Reported by:	cem
Reviewed by:	cem, jhb
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2017-02-28 22:54:52 +00:00
..
2017-02-28 22:54:52 +00:00
2017-01-28 02:22:15 +00:00