KVM_MAX_NR_FIXED_COUNTERS
struct kvm_pmc fixed_counters[KVM_MAX_NR_FIXED_COUNTERS];
KVM_MAX_NR_FIXED_COUNTERS);
MSR_ARCH_PERFMON_FIXED_CTR0 + KVM_MAX_NR_FIXED_COUNTERS - 1:
BUILD_BUG_ON_MSG(KVM_MAX_NR_FIXED_COUNTERS != 3,