Re: GPF in intel_pmu_lbr_reset() with qemu -cpu host
From: H. Peter Anvin
Date: Fri Mar 21 2014 - 20:27:20 EST
On 03/21/2014 05:22 PM, Andi Kleen wrote:
>> Actually, Ingo, Borislav and I have been discussing making rdmsr_safe()
>> more of the default, especially for things like this where the error
>> handling is obvious (doesn't work? Disable the PMU.)
>
> That would be completely wrong. KVM has a full architectural perfmon PMU,
> just no model specific extensions like LBR.
>
s/PMU/PMU extension in question/
-hpa
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