There are a few projects for Rust only OSes. Redox aims at the desktop, Hubris aims at microcontrollers, to name two I'm aware of. But there's a huge differenc

There are a few projects for Rust only OSes. Redox aims at the desktop, Hubris aims at microcontrollers, to name two I'm aware of. But there's a huge difference between "let's make it easier for driver writers to write correct drivers by using Rust in the OS we all already use" and "let's create a whole OS and convince driver writers to write drivers for it and then users to use it".