nested_control 550 arch/x86/include/asm/hyperv-tlfs.h struct hv_nested_enlightenments_control nested_control; nested_control 182 arch/x86/kvm/vmx/evmcs.h vp_ap->nested_control.features.directhypercall = 1; nested_control 7973 arch/x86/kvm/vmx/vmx.c vp_ap->nested_control.features.directhypercall = 0;