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

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Message-ID: <20100817152501.GH21182@thunk.org>
Date:	Tue, 17 Aug 2010 11:25:01 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	paulmck@...ux.vnet.ibm.com, Pavel Machek <pavel@....cz>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Felipe Contreras <felipe.contreras@...il.com>, 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, 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, swmike@....pp.se, galibert@...ox.com,
	dipankar@...ibm.com
Subject: Re: Attempted summary of suspend-blockers LKML thread, take three

On Sat, Aug 14, 2010 at 09:53:51AM -0700, Arjan van de Ven wrote:
> however I think you're making an assumption that there is a
> real difference between a deep idle state and "off"....
> 
> For modern x86 hardware, that assumption isn't really valid.
> (other than a very very small sram that stores register content in the
> idle case)

This is more of CPU statement than a chipset or laptop/device-wide
statement, correct?

If "hardware" applies to the entire laptop, how "modern" is "modern"?

						- Ted
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