Introduce atomic_dec_and_lock_irqsave()
From: Sebastian Andrzej Siewior
Date: Fri May 04 2018 - 11:45:56 EST
This series introduces atomic_dec_and_lock_irqsave() and converts a few
users to use it. They were using local_irq_save() +
atomic_dec_and_lock() before that series.
Sebastian