On Mon, 06 Jul 2026 19:28:20 +0100,
Oliver Upton <[email protected]> wrote:
>
> On Mon, Jul 06, 2026 at 07:03:23PM +0900, Akihiko Odaki wrote:
> > Akihiko Odaki (7):
> > KVM: arm64: Disallow vPMU when pPMUs do not cover all CPUs
> > KVM: arm64: PMU: Protect the list of PMUs with RCU
> > KVM: arm64: PMU: Pass the pPMU to kvm_map_pmu_event()
> > KVM: arm64: PMU: Pass the target CPU to kvm_pmu_probe_armpmu()
> > KVM: arm64: PMU: Implement fixed-counters-only emulation
> > KVM: arm64: PMU: Introduce FIXED_COUNTERS_ONLY
> > KVM: arm64: selftests: Test PMU_V3_FIXED_COUNTERS_ONLY
>
> Thanks for respinning the series, I left some comments. I'd really like
> to get this feature picked up, hope you have cycles to work on it soon.
>
> FWIW, we're considering adding a new vCPU feature flag to deprecate all
> the ugliness of the old PMUv3 UAPI. I'm tempted to say that the
> FIXED_COUNTERS_ONLY feature is conditioned on the new feature flag...
It'd be good to have a strawman proposal on the list if we are going
to change add a new API, specially if this is likely to gate new code.
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
