linux-kernel - Re: [linux-pm] suspend blockers & Android integrationy

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Message-ID: <alpine.LFD.2.00.1006071748270.2933@localhost.localdomain>
Date:	Mon, 7 Jun 2010 17:49:44 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Alan Stern <stern@...land.harvard.edu>
cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Vitaly Wool <vitalywool@...il.com>, Neil Brown <neilb@...e.de>,
	tytso@....edu, Peter Zijlstra <peterz@...radead.org>,
	Arve Hjï¿½nevï¿½ <arve@...roid.com>,
	Brian Swetland <swetland@...gle.com>,
	Felipe Balbi <felipe.balbi@...ia.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Florian Mickler <florian@...kler.org>,
	James Bottomley <James.Bottomley@...e.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [linux-pm] suspend blockers & Android integrationy

Alan,

On Mon, 7 Jun 2010, Alan Stern wrote:
> On Mon, 7 Jun 2010, Thomas Gleixner wrote:
> > #2 is a tad harder, as it requires to fix the trusted apps not to fire
> >    timers when there is nothing to do.
> 
> No; all you have to do is handle the trusted apps as though they were 
> untrusted -- just as in the original wakelock approach.
> 
> >    Though you can solve it with cgroups as well. The unfreeze problem
> >    for real wakeups can be solved as mhelsley pointed out somewhere
> >    else in this thread.
> > 
> > But that depends on user space changes ....
> 
> If you handle all the apps uniformly, very few userspace changes are
> needed.

Oh, I see. I misunderstood you. -ENOTENOUGHSLEEP
 
Thanks,

	Thomas
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