Re: [PATCH v2 05/23] KVM: arm64: Cleanup PMU includes

drivers/perf/arm_pmuv3.c: In function 'armv8pmu_enable_event_counter':

...

...

drivers/perf/arm_pmuv3.c:680:2: error: implicit declaration of function 'kvm_set_pmu_events' [-Werror=implicit-function-declaration]

  680 |  kvm_set_pmu_events(mask, attr);
      |  ^~~~~~~~~~~~~~~~~~
drivers/perf/arm_pmuv3.c: In function 'armv8pmu_disable_event_counter':

...

...

drivers/perf/arm_pmuv3.c:702:2: error: implicit declaration of function 'kvm_clr_pmu_events' [-Werror=implicit-function-declaration]

  702 |  kvm_clr_pmu_events(mask);
      |  ^~~~~~~~~~~~~~~~~~
drivers/perf/arm_pmuv3.c: In function 'update_pmuserenr':

...

...

drivers/perf/arm_pmuv3.c:757:6: error: implicit declaration of function 'kvm_set_pmuserenr' [-Werror=implicit-function-declaration]

  757 |  if (kvm_set_pmuserenr(val))
      |      ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

Looks like some dummy definitions didn't make it into a non-KVM config.

I fixed this and a similar problem I found with kvm_host_pmu_init().