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

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Message-ID: <1274983333.27810.5744.camel@twins>
Date:	Thu, 27 May 2010 20:02:13 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	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, 2010-05-27 at 18:57 +0100, Matthew Garrett wrote:
> On Thu, May 27, 2010 at 07:52:59PM +0200, Peter Zijlstra wrote:
> 
> > Shall we henceforth stop confusing forced suspend for laptops and
> > powersaving a running system?
> 
> If you want to support forced suspend for laptops and you want to avoid 
> the risk of losing wakeups then you need in-kernel suspend blockers. 
> That's entirely orthogonal to Android's runtime power management.

The simple fact of life is, on PC style hardware suspend is mostly about
missing events. I really _really_ want to miss mouse movement of my
bluetooth mouse when the gear is stowed in my backpack.

Its perfectly OK to miss events on _forced_ suspend.
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