K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2016-11-12T00:23:09.680947Z
K 7
svn:log
V 228
Allow scheduling during early boot.

- Send IPI wakeups once SMP is started even if cold is true.
- Permit preemptions when cold is true.

These changes are needed for EARLY_AP_STARTUP.

MFC after:	2 weeks
Sponsored by:	Netflix

END