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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] RE: [PATCH 4/4] ACPI: Enable THERM_CONTROL MSR write for dom0 even cpufreq=xen
On Tuesday, March 03, 2009 4:52 PM, Keir Fraser wrote: > On 03/03/2009 01:23, "Wei, Gang" <gang.wei@xxxxxxxxx> wrote: > >>>> 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. > > Then should the patch be dependent on opt_dom0_vcpus_pin? Oh, yes. We should add a check for opt_dom0_vcpus_pin. Jimmy _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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