linux-kernel - Re: [RFC/PATCH 3/3] adjust cpu power for secondary threads on POWER6

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Message-Id: <02FCB4F0-AA68-479F-9BF3-15FC54714C2D@lixom.net>
Date:	Wed, 18 Jun 2008 22:03:27 -0500
From:	Olof Johansson <olof@...om.net>
To:	Olof Johansson <olof@...om.net>
Cc:	Nathan Lynch <ntl@...ox.com>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, Ingo Molnar <mingo@...e.hu>,
	Paul Mackerras <paulus@...ba.org>,
	Anton Blanchard <anton@...ba.org>
Subject: Re: [RFC/PATCH 3/3] adjust cpu power for secondary threads on POWER6


On Jun 18, 2008, at 9:58 PM, Olof Johansson wrote:

> Why not just NULL out the cpu_power function pointers on platforms  
> that don't have the feature bit instead? (or the other way around:  
> NULL by default, and set only on platforms that have imbalanced  
> threads.

Nevermind; bogus optimization. I just noticed that it's only used when  
setting up the sched domains, and isn't adding path length later on. :)


-Olof
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