Yes. btw they are definitely related, because the reason we were blowing away
the domains is to avoid "migration to a dead cpu". ie We were relying on the
fact that domain masks never contain cpus that are either dying or already dead.
None at this point :). I need to run right now and will try to look at this
later today. My knowledge of the internal sched structs is definitely lacking
so I need to look at the rq->rd thing to have and opinion.