From: Ingo Molnar <mingo@elte.hu>
To: Esben Nielsen <simlo@phys.au.dk>
Cc: Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org
Subject: Re: PI patch against 2.6.16-rt9
Date: Mon, 27 Mar 2006 01:47:22 +0200 [thread overview]
Message-ID: <20060326234722.GA25331@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0603270025020.2708-100000@lifa01.phys.au.dk>
* 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
next prev parent reply other threads:[~2006-03-26 23:49 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-26 23:42 PI patch against 2.6.16-rt9 Esben Nielsen
2006-03-26 23:47 ` Ingo Molnar [this message]
2006-03-27 0:07 ` Esben Nielsen
2006-03-27 0:11 ` Esben Nielsen
2006-03-27 0:21 ` Ingo Molnar
2006-03-27 15:00 ` Esben Nielsen
2006-03-27 23:05 ` Esben Nielsen
2006-03-28 21:02 ` Ingo Molnar
2006-03-28 20:55 ` Ingo Molnar
2006-03-28 21:17 ` Esben Nielsen
2006-03-28 21:24 ` Ingo Molnar
2006-03-28 22:51 ` Esben Nielsen
2006-03-29 7:14 ` Ingo Molnar
2006-03-29 7:59 ` Esben Nielsen
2006-03-29 12:35 ` Ingo Molnar
2006-03-28 21:36 ` Thomas Gleixner
2006-03-28 22:23 ` Esben Nielsen
2006-03-28 22:42 ` Thomas Gleixner
2006-03-28 23:34 ` Esben Nielsen
2006-03-28 23:59 ` Thomas Gleixner
2006-03-29 12:29 ` Ingo Molnar
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