Re: [PATCH] workaround minor lockdep bug triggered by mm_take_all_locks

Arjan van de Ven
2008-08-04T23:39:32Z

On Tue, 5 Aug 2008 00:30:11 +0200
Andrea Arcangeli <andrea@qumranet.com> wrote:

> On Mon, Aug 04, 2008 at 02:42:28PM -0700, Arjan van de Ven wrote:
> > yes lockdep will only complain WHEN you take them in the wrong order
> >
> > But you claimed you would for sure be in a deadlock at that point
> > which is generally not correct.
>
> I already said I didn't know about that despite having spent a fair
> amount of time trying to understand why lockdep crashes systems at
> boot about an year ago. I admit I didn't understand much about it and
> reducing its computation time didn't look feasible, perhaps my fault,
> and I'm glad if Peter found a way to make it boot after 1 year.

interesting; lockdep has been working for the last.. 2 1/2 years at
least, and I don't remember seeing bugreports against it from you that
would describe it as totally non-functional.

Oh well.. seems you're rather preoccupied about it; that's ok, you're
entitled to your opinion even if I don't agree with it ;-)

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