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Re: [Xen-devel] [PATCH v2] x86/vpmu_intel: Fix hypervisor crash by masking PC bit in MSR_P6_EVNTSEL
>>> On 28.04.17 at 08:52, <kevin.tian@xxxxxxxxx> wrote:
> btw regardless of clarification which I'm trying to get, I think we do
> need disallow such guest operation going to physical MSR. It's not
> good to have guest impact physical PMU interrupt behavior. Even
> when we want to support guest PC operation in the future, it needs
> be emulated as the comment given in KVM side. If others also
> agree with this assumption, we could check-in this patch w/o
> mentioning any possible erratum...
Good point - it would nevertheless require an adjustment to the
patch description, though, along the lines of the above.
Jan
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