Re: NFS: 82ms wakeup latency 4.14-rc4
From: Mike Galbraith
Date: Mon Dec 18 2017 - 11:48:21 EST
On Mon, 2017-12-18 at 11:35 -0500, J. Bruce Fields wrote:
>
> This probably just shows I don't understand the issues, but: isn't this
> the job of preemption?
If this were a PREEMPT kernel, yes, we'd check need_resched() on lock
release etc, but it's a PREEMPT_VOLUNTARY kernel.
-Mike