Re: [RFC/RFT PATCH 1/2] sched/core: Check and schedule ksoftirq
From: Peter Zijlstra
Date: Fri Dec 16 2022 - 06:19:55 EST
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 :-/