Re: GPF in intel_pmu_lbr_reset() with qemu -cpu host

Andi Kleen
2014-03-22T00:22:47Z

> 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.

-Andi

--
ak@linux.intel.com -- Speaking for myself only.