Konstantin Belousov 41bed185c1 Extend ranges of the critical sections to ensure that context switch
code never sees FPU pcb flags not consistent with the hardware state.

This is uncovered by the eager FPU switch mode.

Analyzed, reviewed and tested by:	gleb
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2018-07-24 19:22:52 +00:00
..
2018-03-20 17:58:51 +00:00