Rust stalks IBM mainframes, but only in nightly form

IBM's effort to bring in-kernel Rust to its mainframe platform has taken a step forward, although anyone hoping to use it on production iron will need to be comfortable with a nightly Rust compiler for now. Engineer Jan Polensky has submitted a patch series titled "s390: enable Rust support and add required arch glue." If accepted, it will allow Rust code to be used in the Linux kernel on IBM mainframe hardware, which the kernel still refers to as s390 after the generation of IBM mainframe kit i