linux-kernel - Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

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Message-ID: <Pine.LNX.4.44L0.1005271344040.3239-100000@iolanthe.rowland.org>
Date:	Thu, 27 May 2010 13:44:56 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	<Paul@...p1.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Florian Mickler <florian@...kler.org>,
	<felipe.balbi@...ia.com>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

On Thu, 27 May 2010, Peter Zijlstra wrote:

> On Thu, 2010-05-27 at 18:31 +0100, Matthew Garrett wrote:
> 
> > Even if we could use suspend-via-deep-idle-state on PCs, 
> 
> ( see Alan Cox's argument on PCs )
> 
> > we still need to be able to enter suspend while the system isn't idle.
> 
> _WHY_!?

You close your laptop's lid and throw the machine into a backpack.  At 
that time you want it to suspend even though it may not be idle.

> We've been trying to tell you you don't need that.

And I'm trying to tell you that you do.

Alan Stern

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