On Mon, May 09, 2022 at 08:14:54PM -0700, Gaelan Steele wrote: > > > > On May 9, 2022, at 3:32 PM, Jonathan Corbet <corbet@xxxxxxx> wrote: > > > >> +It is convenient to instruct editors/IDEs to format while typing, > >> +when saving or at commit time. However, if for some reason reformatting > >> +the entire kernel Rust sources is needed at some point, the following can be > >> +run:: > >> + > >> + make LLVM=1 rustfmt > > > > I will ask whether we want this, though. Why would anybody want to > > mass-reformat the entire body of kernel code? This seems like something > > that would generate an endless stream of "helpful" patches and a lot of > > churn. > > That would only happen if the code diverged from rustfmt’s output in the > first place. Generally, in Rust projects, the source tree is always kept > formatted with rustfmt - so running `make LLVM=1 rustfmt` would only > ever touch code that you’d just changed. Exactly. This is convenient for the same reason doing a project-wide `cargo fmt` is useful in Rust projects: you can do all your editing, then format your code before committing.