Re: CVS commit: src/sys/netinet6

[Taylor R Campbell <campbell+netbsd-source-changes-d%mumble.net@localhost>]

> Date: Tue, 26 Dec 2017 18:42:14 +0900
> From: Ryota Ozaki <ozaki-r%netbsd.org@localhost>
> 
> On Tue, Dec 26, 2017 at 6:30 PM, Paul Goyette <paul%whooppee.com@localhost> wrote:
> > I'd really like to see other peoples' opinions on this matter before
> > making a final decision.  (And I'm rather surprised that no-one else
> > has yet made any comments!)
> 
> I guess nobody wants to be involved with softnet_lock :-/

Can you just pass the interlock -- softnet_lock or NULL, depending on
NET_MPSAFE -- as an argument to nd6_dad_stoptimer?  It looks like it
will trickle up into the call stack a little bit, but not all that
far, unless .dom_if_link_state_change and .dom_if_down ever hold
softnet lock.