From mboxrd@z Thu Jan  1 00:00:00 1970
From: Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH 1/10] PM: Rework handling of interrupts
 during suspend-resume (rev. 5)
Date: Wed, 11 Mar 2009 15:01:11 -0700 (PDT)
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To: Thomas Gleixner <tglx@linutronix.de>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>, Frans Pop <elendil@planet.nl>, LKML <linux-kernel@vger.kernel.org>, Jesse Barnes <jbarnes@virtuousgeek.org>, "Eric W. Biederman" <ebiederm@xmission.com>, pm list <linux-pm@lists.linux-foundation.org>, Ingo Molnar <mingo@elte.hu>
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On Wed, 11 Mar 2009, Thomas Gleixner wrote:
> 
> I'm not worried about nested ones.

Then you shouldn't be worried about IRQ_SUSPENDED at all, since that one 
increments the disabled depth count.

So _all_ disable/enable_irq calls will by definition be nested inside 
IRQ_SUSPENDED. 

		Linus