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Formatting Rust Kernel Code with rustfmt

rustfmt rewrites Rust source into one agreed layout, so nobody argues about indentation or line breaks. The kernel provides commands to reformat its Rust files or to check that they are already formatted. Submitting unformatted code is an immediate and pointless review comment. Letting the tool decide frees you to think about the driver instead.

Questions this Concept answers

Why does the kernel prefer a tool to decide Rust formatting rather than leaving it to authors?

jeremy Text

linux/Documentation/rust/coding-guidelines.rst at master · torvalds/linux

The kernel formats its Rust code with rustfmt at default settings so that contributors never have to learn another style guide and reviewers never have to comment on layout. This page gives the two c…