linux-kernel - Re: [PATCH V2 5/6] cpuidle/powerpc: Backend-powerpc idle driver for powernv and pseries.

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Message-ID: <5211A273.1080903@linux.vnet.ibm.com>
Date:	Mon, 19 Aug 2013 10:13:31 +0530
From:	Deepthi Dharwar <deepthi@...ux.vnet.ibm.com>
To:	Scott Wood <scottwood@...escale.com>
CC:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linux-pm@...r.kernel.org, daniel.lezcano@...aro.org, rjw@...k.pl,
	linux-kernel@...r.kernel.org, dongsheng.wang@...escale.com,
	srivatsa.bhat@...ux.vnet.ibm.com, preeti@...ux.vnet.ibm.com,
	linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH V2 5/6] cpuidle/powerpc: Backend-powerpc idle driver for
 powernv and pseries.

On 08/07/2013 05:11 AM, Scott Wood wrote:
> On Wed, 2013-08-07 at 09:30 +1000, Benjamin Herrenschmidt wrote:
>> On Tue, 2013-08-06 at 18:08 -0500, Scott Wood wrote:
>>> Here's another example.  get_lppaca() will only build on book3s -- and
>>> yet we get requests for e500 code to use this file.
>>
>> Indeed, Besides there is already accessors afaik for lppaca that compile
>> to nothing on E (and if not they would be trivial to add).
> 
> I don't see such an accessor, but if there were, what would happen when
> the caller goes on to dereference that nothing?
> 
> There is an accessor for shared_proc specifically (in the spinlock code)
> -- not that it would be much help on booke to just compile away that
> check and always select one of the pseries state tables over the other.
> 
> -Scott

Thanks a lot Scott and Ben for the review.
I have addressed the issues in V3 of this patch series which I have just
posted out.

Regards,
Deepthi


> 
> 
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@...ts.ozlabs.org
> https://lists.ozlabs.org/listinfo/linuxppc-dev
> 
> 

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