linux-kernel - Re: [PATCH] pm_qos: remove unnecessary list-traversal

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Date:	Tue, 1 Jun 2010 12:43:21 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Florian Mickler <florian@...kler.org>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>, 640e9920@...il.com,
	markgross@...gnar.org, Arve Hj?nnev?g <arve@...roid.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Peter Zijlstra <peterz@...radead.org>,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	Brian Swetland <swetland@...gle.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] pm_qos: remove unnecessary list-traversal

On Tue, 1 Jun 2010, florian@...kler.org wrote:

> The new extreme value is only depending on the old extreme value and
> the changed value.

And how does that update to the next applicable constraint when the
current constraint is removed ? Your patch is creating a one way
decision.
 
> Signed-off-by: Florian Mickler <florian@...kler.org>
> ---
> This version actually compiles...  :)

That does not make it work.

     tglx
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