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

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Message-ID: <alpine.LFD.2.00.1005272009380.3032@localhost.localdomain>
Date:	Thu, 27 May 2010 20:12:15 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Matthew Garrett <mjg59@...f.ucam.org>
cc:	Peter Zijlstra <peterz@...radead.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Arve Hjønnevåg <arve@...roid.com>,
	Florian Mickler <florian@...kler.org>,
	Vitaly Wool <vitalywool@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Paul@...p1.linux-foundation.org, felipe.balbi@...ia.com,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux PM <linux-pm@...ts.linux-foundation.org>
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

On Thu, 27 May 2010, Matthew Garrett wrote:
> On Thu, May 27, 2010 at 07:35:50PM +0200, Peter Zijlstra wrote:
> > On Thu, 2010-05-27 at 18:32 +0100, Matthew Garrett wrote:
> > > On Thu, May 27, 2010 at 07:28:08PM +0200, Peter Zijlstra wrote:
> > > > Why would you care about the screen for a network event?
> > > 
> > > Because the application that needs to handle the network packet is 
> > > currently blocked trying to draw something to the screen.
> > 
> > Then that's an application bug right there, isn't it?
> > 
> > If should have listened to the window server telling its clients it was
> > going to go away. Drawing after you get that is your own damn fault ;-)
> 
> How long do you wait for applications to respond that they've stopped 
> drawing? What if the application is heavily in swap at the time?

Very realistic scenario on a mobile phone. 

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