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[Xen-devel] RE: [PATCH 4/4] ACPI: Enable THERM_CONTROL MSR write for dom

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] RE: [PATCH 4/4] ACPI: Enable THERM_CONTROL MSR write for dom0 even cpufreq=xen
From: "Wei, Gang" <gang.wei@xxxxxxxxx>
Date: Tue, 3 Mar 2009 09:23:39 +0800
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Thread-topic: [PATCH 4/4] ACPI: Enable THERM_CONTROL MSR write for dom0 even cpufreq=xen
>> Enable THERM_CONTROL MSR write for dom0 even cpufreq=xen
>> 
>> Signed-off-by: Wei Gang <gang.wei@xxxxxxxxx>
> 
> If dom0 is not the cpufreq controller then it is not pinned onto particular
> physical CPUs and fiddling with MSRs is rather suspect.

Yes, you are right. But what we really need is simply pinning dom0 vcpus, not 
dom0 acting as cpufreq controller, am I right?
We do expect the MSR throttling still work while xen behaves  as the cpufreq 
controller.

Jimmy
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