Re: [PATCH v2 0/6] KVM: x86/pmu: Clean up emulated PMC event handling

[Sean Christopherson]

On Fri, 03 Nov 2023 16:05:35 -0700, Sean Christopherson wrote:
> The ultimate goal of this series is to track emulated counter events using
> a dedicated variable instead of trying to track the previous counter value.
> Tracking the previous counter value is flawed as it takes a snapshot at
> every emulated event, but only checks for overflow prior to VM-Enter, i.e.
> KVM could miss an overflow if KVM ever supports emulating event types that
> can occur multiple times in a single VM-Exit.
> 
> [...]

Applied to kvm-x86 pmu, thanks!

[1/6] KVM: x86/pmu: Move PMU reset logic to common x86 code
      https://github.com/kvm-x86/linux/commit/cbb359d81a26
[2/6] KVM: x86/pmu: Reset the PMU, i.e. stop counters, before refreshing
      https://github.com/kvm-x86/linux/commit/1647b52757d5
[3/6] KVM: x86/pmu: Stop calling kvm_pmu_reset() at RESET (it's redundant)
      https://github.com/kvm-x86/linux/commit/f2f63f7ec6fd
[4/6] KVM: x86/pmu: Remove manual clearing of fields in kvm_pmu_init()
      https://github.com/kvm-x86/linux/commit/ec61b2306dfd
[5/6] KVM: x86/pmu: Update sample period in pmc_write_counter()
      https://github.com/kvm-x86/linux/commit/89acf1237b81
[6/6] KVM: x86/pmu: Track emulated counter events instead of previous counter
      https://github.com/kvm-x86/linux/commit/fd89499a5151

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https://github.com/kvm-x86/linux/tree/next