On Tue, Feb 08, 2022 at 04:53:38PM -0800, Yonghong Song wrote: > > - err = fork_usermode_driver(&umd_ops.info); > > + skel = iterators_bpf__open(); > > + if (!skel) > > + return -ENOMEM; > > + err = iterators_bpf__load(skel); > > if (err) > > We can do iterators_bpf__open_and_load here, right? Right. It does __open and __load separately, so it's easier to insert debug printk and adjust rodata for testing.