AVIC_VM_ID_BITS   108 arch/x86/kvm/svm.c #define AVIC_VM_ID_NR			(1 << AVIC_VM_ID_BITS)
AVIC_VM_ID_BITS   109 arch/x86/kvm/svm.c #define AVIC_VM_ID_MASK			((1 << AVIC_VM_ID_BITS) - 1)