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rcu: Move TINY_PREEMPT_RCU away from raw_local_irq_save()
The use of raw_local_irq_save() is unnecessary, given that local_irq_save() really does disable interrupts. Also, it appears to interfere with lockdep. Therefore, this commit moves to local_irq_save(). Reported-by: Fengguang Wu <email@example.com> Signed-off-by: Paul E. McKenney <firstname.lastname@example.org> Signed-off-by: Paul E. McKenney <email@example.com> Tested-by: Fengguang Wu <firstname.lastname@example.org>
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