K 10
svn:author
V 5
shurd
K 8
svn:date
V 27
2018-05-02T19:36:29.775719Z
K 7
svn:log
V 416
Separate list manipulation locking from state change in multicast

Multicast incorrectly calls in to drivers with a mutex held causing drivers
to have to go through all manner of contortions to use a non sleepable lock.
Serialize multicast updates instead.

Submitted by:	mmacy <mmacy@mattmacy.io>
Reviewed by:	shurd, sbruno
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D14969

END