Re: [PATCH v2 1/1] psi: stop relying on timer_pending for poll_work rescheduling
From: Peter Zijlstra <peterz@infradead.org>
Date: 2021-07-01 09:00:19
Also in:
linux-arm-kernel, lkml
On Wed, Jun 30, 2021 at 01:51:51PM -0700, Suren Baghdasaryan wrote:
+ /* cmpxchg should be called even when !force to set poll_scheduled */ + if (atomic_cmpxchg(&group->poll_scheduled, 0, 1) && !force) return;
Why is that a cmpxchg() ? _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek