On Tue, Oct 06, 2015 at 09:29:23AM -0700, Paul E. McKenney wrote:
> @@ -167,42 +307,18 @@ static void rcu_preempt_note_context_switch(void)

> -             raw_spin_unlock_irqrestore(&rnp->lock, flags);

This again reminds me that we should move rcu_note_context_switch()
under the IRQ disable section the scheduler already has or remove the
IRQ disable from rcu_note_context_switch().


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