Re: [PATCH] Tasklets: Avoid duplicating __tasklet_{,hi_}schedule() code

[Ingo Molnar <mingo@elte.hu>]

* Ahmed S. Darwish <darwish.07@gmail.com> wrote:

> -		local_irq_disable();
> -		t->next = __get_cpu_var(tasklet_vec).list;
> -		__get_cpu_var(tasklet_vec).list = t;
> -		__raise_softirq_irqoff(TASKLET_SOFTIRQ);
> -		local_irq_enable();
> +		/* We were not lucky enough to run, reschedule. */
> +		__tasklet_schedule(t);

i think there's a subtle difference that you missed: this one does 
__raise_softirq_irqoff(), while __tasklet_schedule() does a 
raise_softirq_irqoff(). (note the lack of undescores)

the reason is to avoid infinitely self-activating tasklets.

	Ingo