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

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Message-Id: <1177583998.6814.42.camel@johannes.berg>
Date:	Thu, 26 Apr 2007 12:39:58 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Nigel Cunningham <nigel@...el.suspend2.net>,
	Nick Piggin <npiggin@...e.de>,
	suspend2-devel@...ts.suspend2.net, Mike Galbraith <efault@....de>,
	linux-kernel@...r.kernel.org, Con Kolivas <kernel@...ivas.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Pavel Machek <pavel@....cz>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	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, 2007-04-25 at 15:55 -0700, Linus Torvalds wrote:

> That's where I started: whole "suspend to disk" thing actually has _more_ 
> to do with "shutdown" than with "suspend". 

From looking at pm_ops which I was recently working with a lot, it seems
that it was designed by somebody who was reading the ACPI documentation
and was otherwise pretty clueless, even at that level std tries to look
like suspend. IMHO that is one of the first things that should be ripped
out, no pm_ops for STD, it's a pain to work with.

johannes

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