Re: rcu, sched: WARNING: CPU: 30 PID: 23771 at kernel/rcu/tree_plugin.h:337 rcu_read_unlock_special+0x369/0x550()

[Sasha Levin]

On 01/23/2015 04:36 AM, Paul E. McKenney wrote:
> diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
> index 8669de884445..ec99dc16aa38 100644
> --- a/kernel/rcu/tree_plugin.h
> +++ b/kernel/rcu/tree_plugin.h
> @@ -322,6 +322,7 @@ void rcu_read_unlock_special(struct task_struct *t)
>  	special = t->rcu_read_unlock_special;
>  	if (special.b.need_qs) {
>  		rcu_preempt_qs();
> +		t->rcu_read_unlock_special.need_qs = false;

It didn't compile, I've used:

		t->rcu_read_unlock_special.b.need_qs = false;


Thanks,
Sasha
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