> diff --git a/kernel/padata.c b/kernel/padata.c
> index 7eee94166357..ebb52c6db637 100644
> --- a/kernel/padata.c
> +++ b/kernel/padata.c
> @@ -290,7 +290,11 @@ static struct padata_priv *padata_find_next(struct parallel_data *pd,
> if (remove_object) {
> list_del_init(&padata->list);
> ++pd->processed;
> - pd->cpu = cpumask_next_wrap(cpu, pd->cpumask.pcpu);
> + /* When sequence wraps around, reset to the first CPU. */
> + if (unlikely(pd->processed == 0))
> + pd->cpu = cpumask_first(pd->cpumask.pcpu);
> + else
> + pd->cpu = cpumask_next_wrap(cpu, pd->cpumask.pcpu);
> }
>
> spin_unlock(&reorder->lock);
> --
> 2.50.0
>
Another question:
Do we even need a per-CPU reorder_list? It's always used
with a remote CPU id and spin-lock. Would a plain array of
struct padata_list be sufficient?
