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

Paolo Bonzini
2024-01-29T14:40:39Z

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