On 11/09, Oleg Nesterov wrote: > > Yes, agreed. Again, I'll write another email. Perhaps we should even keep > park/unpark exported and change them to avoid the races with exit/itself, > I dunno. > > My real point was, imo the KTHREAD_IS_PER_CPU/__kthread_bind(kthread->cpu) > logic in kthread_unpark() should be private to smpboot.c/cpu.c. > > I'll send another patch tomorrow. kthread_create_worker_on_cpu() ab-uses > this logic too for no reason, but this is trivial.
After this change we are almost ready to kill kthread->cpu and KTHREAD_IS_PER_CPU. (but the change itself doesn't depend on the previous patches). Petr, why do we need kthread_create_worker_on_cpu() ? It has no users and I can not imagine any "real" use-case for it. Perhaps it can be removed? Oleg.
