linux-kernel - Re: [PATCH 1/10] PM: Rework handling of interrupts during suspend-resume (rev. 5)

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Message-ID: <alpine.LFD.2.00.0903111459210.32478@localhost.localdomain>
Date:	Wed, 11 Mar 2009 15:01:11 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Thomas Gleixner <tglx@...utronix.de>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Len Brown <lenb@...nel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Frans Pop <elendil@...net.nl>,
	Arve Hjønnevåg <arve@...roid.com>
Subject: Re: [PATCH 1/10] PM: Rework handling of interrupts during suspend-resume
 (rev. 5)



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
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