[PATCH v4 0/5] KVM: selftests: PMU fixes for GNR/SRF/CWF

[Sean Christopherson]

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@xxxxxxxxxx/
 - 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@xxxxxxxxxxxxxxx 
 - 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@xxxxxxxxxxxxxxx

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
-- 
2.51.0.470.ga7dc726c21-goog