Re: v2.6.20-rt1, yum/rpm

[Ingo Molnar]

* Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:

> > But here is an interesting dmesg:
> > 
> > rcu_boost_dat: idx=1 b=0 ul=0 ub=0 boost: a=0 b=0
> > rcu_boost_dat block:    0  0  0  0?
> > rcu_boost_dat boost:    0! 0  0  0?
> > rcu_boost_dat unlock:   0? 0  0  0?
> > 
> > I didn'tunderstand this with ? Am I missing anything here or please
> > give some inputs.
> 
> That is Paul McKenney's RCU priority boosting stuff.

yeah, those messages are diagnostic. You can turn them off by disabling 
CONFIG_PREEMPT_RCU_BOOST_STATS.

	Ingo
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