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I believe the GPU driver isn’t included yet, but separately from that, the first Rust For Linux patches have indeed been merged into mainline linux. The support is being merged gradually over time though, so there’s still a lot that hasn’t been upstreamed yet.

The build pipeline was already part of Linux 6.1. I played around with it on ArchLinux with the target to compile an out of tree hello world kernel module in Rust:

* https://blog.rnstlr.ch/building-an-out-of-tree-rust-kernel-m...

I'll probably make a follow up post with Linux 6.2

It appears so. It exists and is in tree but it's probably going to stay "optional features only" for the foreseeable future since rust can't currently target all platforms that the kernel supports.

1. https://docs.kernel.org/rust/index.html

2. https://github.com/torvalds/linux/tree/v6.2/rust

This is only initial bringup, the GPU driver is not mainline yet. (And it's UAPI is going to change to properly support Vulkan)