* Perez-Gonzalez, Inaky <[EMAIL PROTECTED]> wrote: > >OTOH, deadlock detection is another issue. It's quite expensive and i'm > >not sure we want to make it a runtime thing. But for fusyn's deadlock > >detection and safe teardown on owner-exit is a must-have i suspect? > > Not really. Deadlock check is needed on PI, so it can be done at the > same time (you have to walk the chain anyway). In any other case, it > is an option you can request (or not).
well, i was talking about the mutex code in PREEMPT_RT. There deadlock detection is an optional debug feature. You dont _have_ to do deadlock detection for the kernel's locks, and there's a difference in performance. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/