On Mon, 2007-02-05 at 16:06 +0530, Sunil Naidu wrote:
> On 2/5/07, Ingo Molnar <mingo@xxxxxxx> wrote:
> > i have released the v2.6.20-rt1 kernel, which can be downloaded from the
> > usual place:
>
> Clean boot for me with 2.6.20 & 2.6.20-rt1. There isn't any error
> (like in 2.6.20-rc7-rt3).
>
> 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.
Look here:
http://lkml.org/lkml/2007/1/24/294