On Tue, 18 Apr 2017 15:03:50 +0200
Peter Zijlstra <pet...@infradead.org> wrote:
> +++ b/kernel/padata.c
> @@ -1008,11 +1008,10 @@ static struct padata_instance *padata_al
> * parallel workers.
> *
> * @wq: workqueue to use for the allocated padata instance
> - *
> - * Must be called from a get_online_cpus() protected region
Find the comment redundant?
Reviewed-by: Steven Rostedt (VMware) <rost...@goodmis.org>
-- Steve
> */
> struct padata_instance *padata_alloc_possible(struct workqueue_struct *wq)
> {
> + lockdep_assert_hotplug_held();
> return padata_alloc(wq, cpu_possible_mask, cpu_possible_mask);
> }
> EXPORT_SYMBOL(padata_alloc_possible);
> --- a/kernel/stop_machine.c
> +++ b/kernel/stop_machine.c
> @@ -561,6 +561,8 @@ int stop_machine_locked(cpu_stop_fn_t fn
> .active_cpus = cpus,
> };
>
> + lockdep_assert_hotplug_held();
> +
> if (!stop_machine_initialized) {
> /*
> * Handle the case where stop_machine() is called
