"kernel module" together with "should absolutely not be able to interact with each other" are an impossible requirement with Linux.
I think the other operating systems available for the Pi are roughly in the same boat (Windows & RiscOS). There was a nascent Minix port at some point, I wonder if it was abandoned.
I think the other operating systems available for the Pi are roughly in the same boat (Windows & RiscOS). There was a nascent Minix port at some point, I wonder if it was abandoned.