On 9/20/2025 5:46 AM, Sean Christopherson wrote:
> Fix KVM PMU selftests errors encountered on Granite Rapids (GNR),
> Sierra Forest (SRF) and Clearwater Forest (CWF).
>
> The cover letter from v2 has gory details, as do the patches.
>
> v4:
> - Fix an unavailable_mask goof. [Dapeng]
> - Fix a bitmask goof (missing BIT_ULL()). [Dapeng]
>
> v3:
> - https://lore.kernel.org/all/20250919004512.1359828-1-seanjc@google.com/
> - Make PMU errata available to all tests by default.
> - Redo testing of "unavailable PMU events" to drastically reduce the number
> of testcases.
>
> v2:
> - https://lore.kernel.org/all/20250718001905.196989-1-dapeng1.mi@linux.intel.com
> - Add error fix for vmx_pmu_caps_test on GNR/SRF (patch 2/5).
> - Opportunistically fix a typo (patch 1/5).
>
> v1: https://lore.kernel.org/all/20250712172522.187414-1-dapeng1.mi@linux.intel.com
>
> Dapeng Mi (2):
> KVM: selftests: Add timing_info bit support in vmx_pmu_caps_test
> KVM: selftests: Validate more arch-events in pmu_counters_test
>
> Sean Christopherson (2):
> KVM: selftests: Track unavailable_mask for PMU events as 32-bit value
> KVM: selftests: Reduce number of "unavailable PMU events" combos
> tested
>
> dongsheng (1):
> KVM: selftests: Handle Intel Atom errata that leads to PMU event
> overcount
>
> tools/testing/selftests/kvm/include/x86/pmu.h | 26 ++++++++
> .../selftests/kvm/include/x86/processor.h | 7 ++-
> tools/testing/selftests/kvm/lib/x86/pmu.c | 49 +++++++++++++++
> .../testing/selftests/kvm/lib/x86/processor.c | 4 ++
> .../selftests/kvm/x86/pmu_counters_test.c | 63 +++++++++++++------
> .../selftests/kvm/x86/pmu_event_filter_test.c | 4 +-
> .../selftests/kvm/x86/vmx_pmu_caps_test.c | 3 +-
> 7 files changed, 135 insertions(+), 21 deletions(-)
>
>
> base-commit: c8fbf7ceb2ae3f64b0c377c8c21f6df577a13eb4
Test pmu_counters_test/pmu_event_filter_test/vmx_pmu_caps_test on
SPR/GNR/SRF/CWF platforms, no issue is found. Thanks.
Tested-by: Dapeng Mi <dapeng1.mi@linux.intel.com>