K 10
svn:author
V 5
sephe
K 8
svn:date
V 27
2016-09-28T04:08:20.821376Z
K 7
svn:log
V 160
hyperv/vmbus: Add functions to test RX/TX bufring emptiness

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8044

END