> > > + > > > + /* Pairs with acquire in last_report_show(). */ > > > + atomic_inc_return_release(&num_reports); > > > + schedule_delayed_work(&reporting_done, 0); > > > > Why delayed work when it gets queued immediately? > > Because error reports may be sent from a place where waiting is > forbidden (in the case of KFENCE that is the page fault handler). > A delayed work ensures the notification occurs in a wait-safe context. > Agreed, there's actually no point in calling schedule_delayed_work() instead of schedule_work() here.
