linux-kernel - Re: suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2: hang in atomic copy)

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Message-ID: <alpine.LFD.0.98.0704251148110.9964@woody.linux-foundation.org>
Date:	Wed, 25 Apr 2007 11:50:45 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Adrian Bunk <bunk@...sta.de>
cc:	Pavel Machek <pavel@....cz>, Ingo Molnar <mingo@...e.hu>,
	Nigel Cunningham <nigel@...el.suspend2.net>,
	Christian Hesse <mail@...thworm.de>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	linux-kernel@...r.kernel.org, Con Kolivas <kernel@...ivas.org>,
	suspend2-devel@...ts.suspend2.net,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2:
 hang in atomic copy)



On Wed, 25 Apr 2007, Adrian Bunk wrote:
> 
> 3W for the complete system? In CPU state S1? [1]

In STR, 3W is quite realistic. The CPU is off, all (or most - up to you) 
the devices are off, but the motherboard and memory is powered.

> And even 3W would still be a waste of energy.

.. but if the alternative is a feature that just isn't worth it, and 
likely to not only have its own bugs, but cause bugs elsewhere? (And yes, 
I believe STD is both of those. There's a reason it's called "STD". Go 
to google and type "STD" and press "I'm feeling lucky". Google is God).

		Linus
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