linux-kernel - Re: lockdep and threaded IRQs (was: ...)

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Message-Id: <20090302132953.27126b78.akpm@linux-foundation.org>
Date:	Mon, 2 Mar 2009 13:29:53 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	david-b@...bell.net, tglx@...utronix.de, me@...ipebalbi.com,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	felipe.balbi@...ia.com, dmitry.torokhov@...il.com,
	sameo@...nedhand.com
Subject: Re: lockdep and threaded IRQs (was: ...)

On Mon, 02 Mar 2009 22:16:57 +0100
Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:

> > > we should simply always disable interrupts for 
> > > interrupt handlers.
> > 
> > That would be why you have refused to fix the bug
> > in lockdep, whereby it forcibly enables that flag?
> > 
> > I've been wondering for some months now why you've
> > left that bug unfixed.
> 
> Because running irq handlers with irqs enabled it plain silly.

Do we get to revert irqstacks?
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