On Tue, Jun 03, 2014 at 04:40:16PM +0200, Frederic Weisbecker wrote:
> @@ -90,10 +89,10 @@ EXPORT_SYMBOL_GPL(irq_work_queue);
>
> bool irq_work_needs_cpu(void)
> {
> - struct llist_head *this_list;
> + struct llist_head *list;
>
> - this_list = &__get_cpu_var(irq_work_list);
> - if (llist_empty(this_list))
> + list = &__get_cpu_var(lazy_list);
> + if (llist_empty(list))
> return false;
>
> /* All work should have been flushed before going offline */Does this mean needs_cpu() only checks the lazy list? What about archs without the arch_irq_work_raise() function? They run the other list from the tick too.
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