Re: [RFC/RFT PATCH 1/2] sched/core: Check and schedule ksoftirq

[srinivas pandruvada]

On Fri, 2022-12-16 at 12:19 +0100, Peter Zijlstra wrote:
> On Thu, Dec 15, 2022 at 10:42:59AM -0800, Srinivas Pandruvada wrote:
> > +               /* Give ksoftirqd 1 jiffy to get a chance to start
> > its job */
> > +               if (!READ_ONCE(it.done) &&
> > task_is_running(__this_cpu_read(ksoftirqd))) {
> > +                       __set_current_state(TASK_UNINTERRUPTIBLE);
> > +                       schedule_timeout(1);
> > +               }
> 
> That's absolutely disgusting :-/
What is the alternative? Process softirq in this task context for one
time?

Thanks,
Srinivas