MAX_NR_CPUID_ENTRIES
#ifndef MAX_NR_CPUID_ENTRIES
cpuid = allocate_kvm_cpuid2(MAX_NR_CPUID_ENTRIES);
struct kvm_cpuid2 *cpuid = allocate_kvm_cpuid2(MAX_NR_CPUID_ENTRIES);
kvm_supported_cpuid = allocate_kvm_cpuid2(MAX_NR_CPUID_ENTRIES);