hypervisor_cpuid_base 43 arch/x86/include/asm/xen/hypervisor.h return hypervisor_cpuid_base("XenVMMXenVMM", 2); hypervisor_cpuid_base 21 arch/x86/kernel/cpu/acrn.c return hypervisor_cpuid_base("ACRNACRNACRN\0\0", 0); hypervisor_cpuid_base 33 arch/x86/kernel/jailhouse.c return hypervisor_cpuid_base("Jailhouse\0\0\0", 0); hypervisor_cpuid_base 666 arch/x86/kernel/kvm.c return hypervisor_cpuid_base("KVMKVMKVM\0\0\0", 0);