Re: [PATCH 3/3] sched/nohz: Remove weird error handling from find_new_ilb()
On Fri, Oct 06, 2023 at 12:25:18PM +0200, Ingo Molnar wrote: > find_new_ilb() returns nr_cpu_ids on failure - which is a weird > choice in itself: not only is it a global variable, it is > a +1 out of bounds CPU index...
FWIW this is what all the cpumask bitops return when they've exhausted the mask. Eg. no bits left set etc..