KVM_IOEVENTFD_FLAG_PIO 682 include/uapi/linux/kvm.h #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio) KVM_IOEVENTFD_FLAG_PIO 682 tools/include/uapi/linux/kvm.h #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)