Re: [PATCH v2 1/2] sched: Add cond_resched_rcu_lock() helper

[Peter Zijlstra]

On Wed, May 01, 2013 at 07:32:58AM -0700, Paul E. McKenney wrote:
> Here is how to detect this:
> 
> 	static void inline cond_resched_rcu_lock(void)
> 	{
> 		rcu_read_unlock();
> 		WARN_ON_ONCE(rcu_read_lock_held());
> 	#ifndef CONFIG_PREEMPT_RCU
> 		cond_resched();
> 	#endif
> 		rcu_read_lock();
> 	}

The __might_sleep(__FILE__, __LINE__, PREEMPT_RCU_OFFSET) I posted in the other
email just now should deal with this.
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