Re: Introduce atomic_dec_and_lock_irqsave()
From: Peter Zijlstra <peterz@infradead.org>
Date: 2018-05-04 15:55:01
Also in:
linux-mm, lkml
On Fri, May 04, 2018 at 05:45:28PM +0200, Sebastian Andrzej Siewior wrote:
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.
Should not all these users be converted to refcount_t, and thus, should we not introduce refcount_dec_and_lock_irqsave() instead?