On Tue, 16 Jul 2024 at 13:50, Akihiko Odaki <akihiko.odaki@xxxxxxxxxx> wrote: > > 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 v3: > - Dropped patch "target/arm: Do not allow setting 'pmu' for hvf". > - Dropped patch "target/arm: Allow setting 'pmu' only for host and max". > - Dropped patch "target/arm/kvm: Report PMU unavailability". > - Added patch "target/arm/kvm: Fix PMU feature bit early". > - Added patch "hvf: arm: Do not advance PC when raising an exception". > - Added patch "hvf: arm: Properly disable PMU". > - Changed to check for Armv8 before adding PMU property. > - Link to v2: https://lore.kernel.org/r/20240716-pmu-v2-0-f3e3e4b2d3d5@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/kvm: Fix PMU feature bit early > target/arm: Always add pmu property for Armv8 > hvf: arm: Do not advance PC when raising an exception > hvf: arm: Properly disable PMU Hi; I've left reviews for some of these patches. I'm going to apply "hvf: arm: Do not advance PC when raising an exception" to my target-arm queue since I'm about to do a pullreq for 9.1 softfreeze. thanks -- PMM