Re: [RFC] Patch: dynticks: idle load balancing

[Ingo Molnar]

* Siddha, Suresh B <suresh.b.siddha@xxxxxxxxx> wrote:

> On Thu, Dec 14, 2006 at 12:13:16AM +0100, Ingo Molnar wrote:
> > there's another bug as well: in schedule() resched_cpu() is called with 
> > the current runqueue held in two places, which is deadlock potential. 
> 
> resched_cpu() was getting called after prepare_task_switch() which 
> releases the current runqueue lock. Isn't it?

no, it doesnt release it. The finish stage is what releases it.

the other problem is load_balance(): there this_rq is locked and you 
call resched_cpu() unconditionally.

	Ingo
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