* 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
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