Re: [PATCH 1/2] workqueue: Use normal rcu

From: Sebastian Andrzej Siewior
Date: Fri Apr 05 2019 - 10:42:23 EST


On 2019-03-22 18:59:23 [+0100], To Tejun Heo wrote:
> On 2019-03-22 10:43:34 [-0700], Tejun Heo wrote:
> > Hello,
Hi,

> > We can switch but it doesn't really say why we'd want to. Can you
> > please explain why this is better?
>
> there is this undocumented part. Avoiding the sched RCU means also we
> are more preemptible which is good :) Especially on -RT where we can't
> disable preemption across the whole critical section.
>
> Is this good enough?

a gentle ping.

> > Thanks.
>
Sebastian