Paul E. McKenney wrote:
> +void sched_expedited_wake(void *unused)
> +{
> + mutex_lock(&__get_cpu_var(sched_expedited_done_mutex));
> + if (__get_cpu_var(sched_expedited_done_qs) ==
> + SCHED_EXPEDITED_QS_DONE_QS) {
> + __get_cpu_var(sched_expedited_done_qs) =
> + SCHED_EXPEDITED_QS_NEED_QS;
> + wake_up(&__get_cpu_var(sched_expedited_qs_wq));
> + }
> + mutex_unlock(&__get_cpu_var(sched_expedited_done_mutex));
> +}
[...]
> + get_online_cpus();
> + preempt_disable();
> + mycpu = smp_processor_id();
> + smp_call_function(sched_expedited_wake, NULL, 1);
sched_expedited_wake() calls mutex_lock() which may sleep?
And I think you have re-implement workqueue.
Thanks, Lai.
--
To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
