target/arm/kvm: Use CPUState::kvm_state in kvm_arm_pmu_supported()

KVMState is already accessible via CPUState::kvm_state, use it.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200121110349.25842-5-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

target/arm/kvm.c

@@ -181,9 +181,7 @@ void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu)
 
 bool kvm_arm_pmu_supported(CPUState *cpu)
 {
-    KVMState *s = KVM_STATE(current_machine->accelerator);
-
-    return kvm_check_extension(s, KVM_CAP_ARM_PMU_V3);
+    return kvm_check_extension(cpu->kvm_state, KVM_CAP_ARM_PMU_V3);
 }
 
 int kvm_arm_get_max_vm_ipa_size(MachineState *ms)