K 10
svn:author
V 10
nwhitehorn
K 8
svn:date
V 27
2017-11-25T22:01:55.775472Z
K 7
svn:log
V 221
Yield while spinning on APs and avoid announcing all CPUs unless bootverbose
is set. These improve startup performance on massively multithreaded systems
with 8-way SMT and dozens to hundreds of CPUs.

MFC after:	3 weeks

END