Re: [RFC PATCH v4 2/3] sched: Avoid placing RT threads on cores handling long softirqs

[John Stultz]

On Tue, Oct 4, 2022 at 5:22 PM Hillf Danton <hdanton@xxxxxxxx> wrote:
> On 3 Oct 2022 19:29:36 -0700 John Stultz <jstultz@xxxxxxxxxx>
> >
> > Why would ksoftirqd preempt the rt task?
> >
> For example the kthread becomes sensitive to latency.

Again, my apologies, I'm still not sure I am following. Could you
expand a bit on the case you're concerned about? Is it the case where
the ksoftirqd thread is configured to run at higher rtprio?

thanks
-john