On Thu, Jun 17, 2021 at 04:49:36PM +0530, Viresh Kumar wrote: > Peter: Can you help here on this ? Lemme try to explain a bit here: > > We are starting an irq-work (in cppc cpufreq driver) from > scheduler_tick()->arch_scale_freq_tick(). What will happen if the driver doesn't > take care of CPU hotplug explicitly and make sure this work isn't queued again > from the next tick. > > Is it important for user to make sure it gets rid of the irq-work during hotplug > here ? irq-work is flushed on hotplug, see smpcfd_dying_cpu().
