Subject: Re: Hard realtime scheduling
To: None <jonathan@dsg.stanford.edu>
From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
List: tech-kern
Date: 04/12/2005 08:29:22 
> Or, as Soda-san observes, the scheduler and runqueue are protected by
> the big-lock; so to implement pre-emption, you must move at least
> those outside the biglock.

are you sure that runqueue is protected by biglock?
afaik it's protected by sched_lock, not biglock.

YAMAMOTO Takashi