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Date: Thu, 13 May 2010 20:25:22 +0100
From: Matthew Garrett <mjg@redhat.com>
To: Tony Lindgren <tony@atomide.com>
Cc: Alan Stern <stern@rowland.harvard.edu>, Paul Walmsley <paul@pwsan.com>,
       Arve =?iso-8859-1?B?SGr4bm5lduVn?= <arve@android.com>,
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       =?iso-8859-1?Q?Beno=EEt?= Cousson <b-cousson@ti.com>,
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       Mark Brown <broonie@opensource.wolfsonmicro.com>,
       Liam Girdwood <lrg@slimlogic.co.uk>
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 6)
Message-ID: <20100513192522.GA19256@srcf.ucam.org>
References: <alpine.DEB.2.00.1005122118530.7624@utopia.booyaka.com> <Pine.LNX.4.44L0.1005131002380.1695-100000@iolanthe.rowland.org> <20100513191717.GA3428@atomide.com>
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On Thu, May 13, 2010 at 12:17:17PM -0700, Tony Lindgren wrote:
> The suspend blocks seems like a hack to spam filter good and bad
> apps from timer usage point of view. Applications are categorized
> as good or bad depending if they grab a susped blocker or not.
> 
> I believe categorizing the apps should be instead done with some
> timer flags or cgroups instead.

I agree, but we have no mechanism for implementing that in a race-free 
way. We don't even have a realistical proposal for what that mechanism 
would look like. Should we refuse bread today for the promise of cake 
tomorrow?

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