Re: [android-kernel] Re: rcu_barrier stall

2012-02-06 Thread Robert Beckett
On 04/02/12 04:55, rong wrote: It looks to me that something either needs to wake up the idle cpu when an rcu callback is scheduled on it (I couldnt figure out how to do that), or it should not be scheduled on a completely idle cpu as this cpu is already in a quiescent state. While there are oth

[android-kernel] Re: rcu_barrier stall

2012-02-03 Thread rong
> > It looks to me that something either needs to wake up the idle cpu when > an rcu callback is scheduled on it (I couldnt figure out how to do > that), or it should not be scheduled on a completely idle cpu as this > cpu is already in a quiescent state. While there are other possibilities, I'm