On 5/15/2025 8:12 AM, Sean Christopherson wrote:
> On Mon, Mar 24, 2025, Mingwei Zhang wrote:
>> From: Dapeng Mi <dapeng1.mi@xxxxxxxxxxxxxxx>
>>
>> Add perf_capabilities in kvm_host_values{} structure to record host perf
>> capabilities. KVM needs to know if host supports some PMU capabilities
>> and then decide if passthrough or intercept some PMU MSRs or instruction
>> like rdpmc, e.g. If host supports PERF_METRICES, but guest is configured
>> not to support it, then rdpmc instruction needs to be intercepted.
> This is wrong (spoiler alert). This patch can be dropped.
Sean, why? I don't get your point here. Could you please give more
information? Thanks.
