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

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Date:	Fri, 13 Aug 2010 18:28:27 +0300
From:	Felipe Contreras <felipe.contreras@...il.com>
To:	paulmck@...ux.vnet.ibm.com
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, "Ted Ts'o" <tytso@....edu>,
	david@...g.hm, Brian Swetland <swetland@...gle.com>,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	arve@...roid.com, mjg59@...f.ucam.org, 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 Fri, Aug 13, 2010 at 6:14 PM, Paul E. McKenney
<paulmck@...ux.vnet.ibm.com> wrote:
> On Thu, Aug 12, 2010 at 08:52:22PM +0300, Felipe Contreras wrote:
>>  4) no, we can't say anything about what opportunistic suspend means in practice
>
> Here I disagree.  The Android folks have used it for quite some time.
> We might not be able to apply their experience directly to other software
> stacks, but we should nevertheless be able to learn quite a bit from it.

So when it comes to practice you are relying solely on what Android people say.

If it's true that it's easy to spot the "PM-driving applications",
then it shouldn't be hard for a guy from the Android team to assemble
a basic typical system (X.org, dbus, etc.) with suspend-blockers in a
couple of days.

-- 
Felipe Contreras
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