dev_fd 774 tools/testing/selftests/kvm/lib/kvm_util.c int dev_fd, ret; dev_fd 776 tools/testing/selftests/kvm/lib/kvm_util.c dev_fd = open(KVM_DEV_PATH, O_RDONLY); dev_fd 777 tools/testing/selftests/kvm/lib/kvm_util.c if (dev_fd < 0) dev_fd 780 tools/testing/selftests/kvm/lib/kvm_util.c ret = ioctl(dev_fd, KVM_GET_VCPU_MMAP_SIZE, NULL); dev_fd 785 tools/testing/selftests/kvm/lib/kvm_util.c close(dev_fd);