On Tue, Mar 5, 2013 at 11:21 PM, Tejun Heo <tj@xxxxxxxxxx> wrote: >> wake_up() is also allowed to be called from irq handler? > > Yeah, well, we don't consider everything which uses wake_up() to be > irq-safe. I'm not necessarily against making the lock irq-safe but at More precise way to think about it wiatqueue lock would be that it's built in a way that also allows it to be used from irq context. It doesn't *force* irq context on all its users. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html