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Re: [Xen-devel] [PATCH] 1/2: cpufreq/PowerNow! in Xen: Time and platform

To: "Langsdorf, Mark" <mark.langsdorf@xxxxxxx>, "Tian, Kevin" <kevin.tian@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] 1/2: cpufreq/PowerNow! in Xen: Time and platform changes
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Thu, 30 Aug 2007 16:08:44 +0100
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On 30/8/07 15:57, "Langsdorf, Mark" <mark.langsdorf@xxxxxxx> wrote:

>> d) How about adding a 'cpufreq' boot option? Once it's on,
>> dom0_vcpus_pin is forced to on too. Or else it really doesn't make
>> sense to let dom0 conduct frequency change.
> 
> Good idea.  I'll look into adding that, but it's a minor fix
> compared to the main code.

'Minor' in that dom0 will likely end up changing frequency of a different
CPU than it expects? You have the core code done, but it's not really usable
without some safety catches.

 -- Keir



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