Re: [PATCH v4 0/6] target/arm/kvm: Report PMU unavailability

[Peter Maydell]

On Sat, 20 Jul 2024 at 10:31, Akihiko Odaki <akihiko.odaki@daynix.com> 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@daynix.com>

> Akihiko Odaki (6):
>       target/arm/kvm: Set PMU for host only when available
>       target/arm/kvm: Do not silently remove PMU
>       target/arm: Always add pmu property for Armv7-A/R+
>       hvf: arm: Raise an exception for sysreg by default
>       hvf: arm: Properly disable PMU
>       hvf: arm: Do not advance PC when raising an exception

Thanks for this patchset; I've applied patches 1, 2, 4, 5 and 6
to target-arm.next, but I had comments about patch 3.
(Let me know if there's a dependency that 4-6 have on patch
3 that I've missed: but they look to me like they're
still OK to take without patch 3.)

-- PMM