On Mon, 2016-04-18 at 19:15 +0200, Sebastian Andrzej Siewior wrote: > take 2. There is this else case in pin_current_cpu() where I take > hp_lock. I didn't manage to get in there. So I *think* we can get rid of > the lock now. Since there is no lock (or will be) we can drop the whole > `do_mig_dis' checking and do the migrate_disable() _after_ we obtained > the lock. We were not able to do so due to the lock hp_lock. > > And with this, I didn't manage to triger the lockup you had with > futextest. I'll have to feed it to DL980, hotplug and jitter test it. It seemed to think that pinning post acquisition was a bad idea jitter wise, but I was bending things up while juggling multiple boxen, so.. -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