Re: [RFC PATCH 01/41] perf: x86/intel: Support PERF_PMU_CAP_VPMU_PASSTHROUGH

[Sean Christopherson]

On Fri, Jan 26, 2024, Xiong Zhang wrote:
> From: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
> 
> Define and apply the PERF_PMU_CAP_VPMU_PASSTHROUGH flag for the version 4
> and later PMUs

Why?  I get that is an RFC, but it's not at all obvious to me why this needs to
take a dependency on v4+.