On Wed, Nov 29, 2023 at 05:28:27PM +0100, Christian Brauner wrote: > > +pid_t rust_helper_task_tgid_nr_ns(struct task_struct *tsk, > > + struct pid_namespace *ns) > > +{ > > + return task_tgid_nr_ns(tsk, ns); > > +} > > +EXPORT_SYMBOL_GPL(rust_helper_task_tgid_nr_ns); > > I'm a bit puzzled by all these rust_helper_*() calls. Can you explain > why they are needed? Because they are/can be static inlines and that > somehow doesn't work? Correct, because Rust can only talk to C ABI, it cannot use C headers. Bindgen would need to translate the full C headers into valid Rust for that to work. I really think the Rust peoples should spend more effort on that, because you are quite right, all this wrappery is tedious at best.