Finding Answers in the Kernel Rust Documentation
The kernel keeps its own written documentation in the tree, and the Rust part has a short set of pages: how to set up your toolchain, how Rust fits into the kernel, the coding rules for Rust files, and which processor architectures it works on. Because it lives in the same repository as the code, it matches the kernel version you have. It is the first place to look before searching the wider internet, where advice ages badly. Ignoring it is how people end up following instructions for a kernel from two years ago.
Questions this Concept answers
- Why is the in-tree documentation preferred over an online write-up when setting up a Rust kernel build?
Rust — The Linux Kernel documentation
This is the front door to the Linux kernel's own documentation about Rust. It points you to the Quick Start guide for setting up your toolchain, plus pages on how Rust fits into the kernel, the codin…