On Thu, 2016-09-01 at 10:11 +0200, Sebastian Andrzej Siewior wrote: > On !RT local_lock() is preempt_disable(). > On RT local_lock() is a per-CPU sleeping spinlock which can be taken > recursively by the owner. Ok, thanks for the explanation, the 'recursively' part I was not aware of ;) -- 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