From: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> Date: Wed, 5 Mar 2014 00:49:47 +0100 > @@ -839,7 +839,7 @@ void dev_deactivate_many(struct list_head *head) > /* Wait for outstanding qdisc_run calls. */ > list_for_each_entry(dev, head, unreg_list) > while (some_qdisc_is_busy(dev)) > - yield(); > + msleep(1) > } I don't understand this. yield() should really _mean_ yield. The intent of a yield() call, like this one here, is unambiguously that the current thread cannot do anything until some other thread gets onto the cpu and makes forward progress. Therefore it should allow lower priority threads to run, not just equal or higher priority ones. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html