[PATCH v2 0/5] KVM: arm64: Fixes for guest CPU feature trapping and enabling

Fuad Tabba tabba at google.com
Thu Nov 6 06:44:12 PST 2025


Hi,

This series contains several fixes for guest vCPU feature trapping and
enabling, as well as a bit of tidying up.

Changes from v1 [1]:
- Dropped the MOPS patch (Joey)
- Dropped patches in favor of reworking coarse grain trapping in general
  (Marc)
- Fix bug in Trace Buffer trapping (Suzuki)

Based on Linux 6.18-rc4.

Cheers,
/fuad

[1] https://lore.kernel.org/all/20251104125906.1919426-1-tabba@google.com/

Fuad Tabba (5):
  KVM: arm64: Fix Trace Buffer trapping for protected VMs
  KVM: arm64: Fix Trace Buffer trap polarity for protected VMs
  KVM: arm64: Fix MTE flag initialization for protected VMs
  KVM: arm64: Prevent host from managing timer offsets for protected VMs
  KVM: arm64: Define FAR_MASK for fault IPA offset

 arch/arm64/include/asm/kvm_arm.h         |  2 ++
 arch/arm64/kvm/arch_timer.c              | 18 +++++++++++++-----
 arch/arm64/kvm/hyp/nvhe/pkvm.c           | 12 +++++++-----
 arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c |  2 +-
 arch/arm64/kvm/inject_fault.c            |  2 +-
 arch/arm64/kvm/mmu.c                     |  4 ++--
 arch/arm64/kvm/sys_regs.c                |  6 ++++--
 7 files changed, 30 insertions(+), 16 deletions(-)


base-commit: 6146a0f1dfae5d37442a9ddcba012add260bceb0
-- 
2.51.2.1041.gc1ab5b90ca-goog




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