In a few words, when dealing with kernel modules and drivers (and I guess every low-level implementation), ensuring that the upper (Rust) layers are safe is sti

In a few words, when dealing with kernel modules and drivers (and I guess every low-level implementation), ensuring that the upper (Rust) layers are safe is still the job of a person: a person, with a great understanding of both worlds, writing the unsafe functions that glue safe-land and the rest of the kernel together.