linux-kernel - Re: Attempted summary of suspend-blockers LKML thread, take three

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Message-ID: <20100810181320.GA17472@srcf.ucam.org>
Date:	Tue, 10 Aug 2010 19:13:20 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	david@...g.hm
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, paulmck@...ux.vnet.ibm.com,
	Ted Ts'o <tytso@....edu>,
	Felipe Contreras <felipe.contreras@...il.com>,
	Brian Swetland <swetland@...gle.com>,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	arve@...roid.com, pavel@....cz, florian@...kler.org, rjw@...k.pl,
	stern@...land.harvard.edu, peterz@...radead.org,
	tglx@...utronix.de, menage@...gle.com, david-b@...bell.net,
	James.Bottomley@...e.de, arjan@...radead.org, swmike@....pp.se,
	galibert@...ox.com, dipankar@...ibm.com
Subject: Re: Attempted summary of suspend-blockers LKML thread, take three

On Tue, Aug 10, 2010 at 11:07:20AM -0700, david@...g.hm wrote:

> If the primary difference between sleep and suspend is not scheduling  
> processes, instead of messing with oppurtinistic suspend/suspend  
> blockers/wakelocks/etc, why not just 'temporarily' change the timer fuzz  
> value to a very large value (say an hour). That would still let things  
> like openoffice saves ahve a fair chance to trigger before the battery  
> died completely, but would wake the system so infrequently that it will 
> be effectivly the same as a full suspend.

Because it only affects processes that sleep. It's a question of how 
much pathology you want to be able to tolerate.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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