On 5/15/2025 8:12 AM, Sean Christopherson wrote: > On Mon, Mar 24, 2025, Mingwei Zhang wrote: >> From: Dapeng Mi <dapeng1...@linux.intel.com> >> >> 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.