linux-kernel - Re: [v2 PATCH 2/2]: pseries: Implement Pseries Processor Idle idle module.

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Message-ID: <20090826113217.GA14758@linux.vnet.ibm.com>
Date:	Wed, 26 Aug 2009 17:02:17 +0530
From:	Arun R Bharadwaj <arun@...ux.vnet.ibm.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Joel Schopp <jschopp@...tin.ibm.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>,
	Dipankar Sarma <dipankar@...ibm.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Gautham R Shenoy <ego@...ibm.com>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Arun Bharadwaj <arun@...ux.vnet.ibm.com>
Subject: Re: [v2 PATCH 2/2]: pseries: Implement Pseries Processor Idle idle
	module.

* Peter Zijlstra <a.p.zijlstra@...llo.nl> [2009-08-26 13:27:18]:

> On Wed, 2009-08-26 at 16:40 +0530, Arun R Bharadwaj wrote:
> > +void (*pm_idle)(void);
> > +EXPORT_SYMBOL_GPL(pm_idle);
> 
> Seriously.. this caused plenty problems over on x86 and you're doing the
> exact same dumb thing?
> 

Hi Peter,

Cpuidle assumes pm_idle to be the default idle power management
function. So i should either do this, or change the stuff in cpuidle.c
so that it is more abstract.

--arun
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