Re: PI patch against 2.6.16-rt9

Ingo Molnar
2006-03-26T23:49:57Z

* Esben Nielsen <simlo@phys.au.dk> wrote:

> Hi,
> I got the patch I mentioned earlier to run. It passes my userspace
> testscripts as well as all the scripts for Thomas's rtmutex-tester on a UP
> machine.
>
> The idea is to avoid the deadlocks by releasing all locks before going
> to the next lock in the chain. I use get_/put_task_struct to avoid the
> task disappearing during the iteration.

but we lose reliable deadlock detection ...

how do you guarantee that some other CPU doesnt send us on some
goose-chase?

Ingo