Re: [patch 2/2] sched: reduce locking in periodic balancing

[Nick Piggin]

Ingo Molnar wrote:

[...]

Thanks for the corrections.

> btw., holding the runqueue lock during the initial scanning portion of 
> load-balancing is one of the top PREEMPT_RT critical paths on SMP. (It's 
> not bad, but it's one of the factors that makes SMP latencies higher.)

Good, I'm glad they will be of some immediate help.

> Acked-by: Ingo Molnar <mingo@xxxxxxx>

Thanks.

--
SUSE Labs, Novell Inc.

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