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

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Date:	Mon, 2 Aug 2010 07:34:00 +0200
From:	Florian Mickler <florian@...kler.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	paulmck@...ux.vnet.ibm.com, "Ted Ts'o" <tytso@....edu>,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	arve@...roid.com, mjg59@...f.ucam.org, pavel@....cz, rjw@...k.pl,
	stern@...land.harvard.edu, swetland@...gle.com,
	peterz@...radead.org, tglx@...utronix.de, alan@...rguk.ukuu.org.uk
Subject: Re: Attempted summary of suspend-blockers LKML thread

Hi,

On Sun, 1 Aug 2010 21:05:48 -0700
Arjan van de Ven <arjan@...radead.org> wrote:

> I'm a little worried that this whole "I need to block suspend" is
> temporary. Yes today there is silicon from ARM and Intel where suspend
> is a heavy operation, yet at the same time it's not all THAT heavy
> anymore.... at least on the Intel side it's good enough to use pretty
> much all the time (when the screen is off for now, but that's a memory
> controller issue more than anything else). I'm pretty sure the ARM guys
> will not be far behind.

I think that the only thing that really matters (longterm) with suspend
is that processes don't get scheduled anymore when the system is
suspended.

Cheers,
Flo


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