Re: [PATCH 1/2] KVM: x86/pmu: Reset perf_capabilities in vcpu to 0 if PDCM is disabled

[Paolo Bonzini]

On 1/26/24 20:30, Mingwei Zhang wrote:
> > Hrm, I don't hate it as a stopgap.  But if we are the only people that are affected,
> > because again I'm pretty sure QEMU is fine, I would rather we just fix things in
> > our VMM and/or internal kernel.
> It is not just QEMU. crossvm is another open source VMM that suffers
> from this one.

Can you explain the symptoms in both Google's internal VMM and crosvm?

Thanks,

Paolo