On Thu, 2014-03-06 at 16:06 -0500, David Miller wrote: > 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. It does, but yield() semantics make it useless for what you want to do.. and pretty much undefined for anything other than SCHED_FIFO. If you really want to give up the CPU to any old body, you have to sleep. -Mike -- 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
