target/arm/kvm.c checked PMU availability but claimed PMU is available even if it is not. In fact, Asahi Linux supports KVM but lacks PMU support. Only advertise PMU availability only when it is really available. Fixes: dc40d45ebd8e ("target/arm/kvm: Move kvm_arm_get_host_cpu_features and unexport") Signed-off-by: Akihiko Odaki <akihiko.odaki@xxxxxxxxxx> --- Changes in v2: - Restricted writes to 'pmu' to host and max. - Prohibited writes to 'pmu' for hvf. - Link to v1: https://lore.kernel.org/r/20240629-pmu-v1-0-7269123b88a4@xxxxxxxxxx --- Akihiko Odaki (5): tests/arm-cpu-features: Do not assume PMU availability target/arm: Allow setting 'pmu' only for host and max target/arm: Do not allow setting 'pmu' for hvf target/arm: Always add pmu property target/arm/kvm: Report PMU unavailability target/arm/cpu.c | 14 +++++++++++++- target/arm/kvm.c | 2 +- tests/qtest/arm-cpu-features.c | 13 ++++++++----- 3 files changed, 22 insertions(+), 7 deletions(-) --- base-commit: f2cb4026fccfe073f84a4b440e41d3ed0c3134f6 change-id: 20240629-pmu-ad5f67e2c5d0 Best regards, -- Akihiko Odaki <akihiko.odaki@xxxxxxxxxx>