linux-kernel - Re: [RFC][PATCH 2/2] PM: Rework handling of interrupts during suspend-resume

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Date:	Mon, 23 Feb 2009 07:28:06 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Len Brown <lenb@...nel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC][PATCH 2/2] PM: Rework handling of interrupts during suspend-resume

"Rafael J. Wysocki" <rjw@...k.pl> writes:

>> I don't know where in the state machine this is getting called but
>> I would suggest doing this before we shutdown cpus.
>
> This is the plan.  In fact, I'm going to do this in the next patch after the
> $subject one has been tested and found acceptable.

Good to hear.  Then let's please get a version of the irq disable that calls
shutdown, so we can be certain we don't have hardware irqs in flight.

For the drivers it should not matter for clean cpu shutdown it will.

Eric
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