K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2020-01-23T16:24:51.255971Z
K 7
svn:log
V 414
Set td_oncpu before dropping the thread lock during a switch.

After r355784 we no longer hold a thread's thread lock when switching it
out.  Preserve the previous synchronization protocol for td_oncpu by
setting it together with td_state, before dropping the thread lock
during a switch.

Reported and tested by:	pho
Reviewed by:	kib
Discussed with:	jeff
Differential Revision:	https://reviews.freebsd.org/D23270

END