linux-kernel - Re: 2.6.19-rc5: lockdep warnings starting irattach

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Date:	Mon, 20 Nov 2006 10:12:18 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Andrey Borzenkov <arvidjaar@...l.ru>,
	Andrew Morton <akpm@...l.org>, samuel@...tiz.org,
	irda-users@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	arjan <arjan@...radead.org>
Subject: Re: 2.6.19-rc5: lockdep warnings starting irattach


* Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:

> The comment at the nesting lock says:
> 
> 	/* Careful for priority inversions here !
> 	 * irlmp->links is never taken while another IrDA
> 	 * spinlock is held, so we are safe. Jean II */
> 
> So, under the assumption the author was right, it just needs a lockdep
> annotation.
> 
> (depends on patches in -mm for spin_lock_irqsave_nested())
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

Acked-by: Ingo Molnar <mingo@...e.hu>

	Ingo
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