Re: [PATCH -rt] Preemption problem in kernel RT Patch

From: Ingo Molnar
Date: Tue Jul 24 2007 - 15:15:33 EST



* Beauchemin, Mark <Mark.Beauchemin@xxxxxxxxxxxxxxx> wrote:

> I'm not sure why the check for recursion has been removed. In the
> backtrace below, I think it would be caught by this check and not
> recursively call the spinlock code.

ah ... i think i did it like that because i didnt realize that there
would be a recursive call sequence, i was concentrating on recursive
locking.

incidentally, this code got cleaned up in .23-rc1-rt0, and now it looks
quite similar to your suggested fix. Could you double-check that it
solves your problem?

Ingo
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