On 01/23/2015 05:54 PM, Paul E. McKenney wrote:
> On Fri, Jan 23, 2015 at 04:51:52PM -0500, Sasha Levin wrote:
>> > 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;
> Apologies, I should have marked it "untested". Good show on finding
> the correct fix.
>
> But does your fixed version help? ;-)
I haven't seen it happening it again, but you won't get a "yes" out of me
until tomorrow evening :)
Thanks,
Sasha
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