linux-kernel - Re: [PATCH 0/8] Suspend block api (version 6)

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Message-ID: <20100524190804.GA21874@srcf.ucam.org>
Date:	Mon, 24 May 2010 20:08:04 +0100
From:	Matthew Garrett <mjg@...hat.com>
To:	Pavel Machek <pavel@....cz>
Cc:	Kevin Hilman <khilman@...prootsystems.com>,
	Arve Hj?nnev?g <arve@...roid.com>,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Alan Stern <stern@...land.harvard.edu>,
	Tejun Heo <tj@...nel.org>, Oleg Nesterov <oleg@...hat.com>,
	Paul Walmsley <paul@...an.com>, magnus.damm@...il.com,
	mark gross <mgross@...ux.intel.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Geoff Smith <geoffx.smith@...el.com>
Subject: Re: [PATCH 0/8] Suspend block api (version 6)

On Mon, May 24, 2010 at 08:57:54PM +0200, Pavel Machek wrote:

> And btw I do have wakelock-less implementation of autosleep, that only
> sleeped the machine when nothing was ready to run. It was called
> "sleepy linux". Should I dig it out?

As has been explained several times now, that's not equivalent. The 
difference is what makes this a hard problem. If a usecase is valid and 
nobody can come up with a convincing explanation of what an elegant 
solution would look like, then the ugly solution wins.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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