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[Xen-devel] [RFC PATCH] THERM_CONTROL_MSR mucks with Xen cpufreq code.


I've gotten feedback from some of the internal BIOS folks who had
noticied some issues (the machine is running very slowly) which we found
out was due to the ACPI DSDT being busted and the Linux kernel (dom0)
programming the _wrong_ values in the T-state MSR.

While this got fixed in the BIOS - it occurred to me that we really
shouldn't let dom0 poke at this MSR? 
The patch that added this functionality didn't have much details.

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