Linus is supportive of Rust and uses LLMs.
The reasons to not have a full-Rust Linux kernel are over more important, real engineering things. (Platform support being the big one.)
Since the Rust support in the kernel is not optional, it already has an impact on platform support, no? Or maybe they are using the gnu toolchain to avoid that?
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> Platform support being the big one.
And between rustc_codegen_gcc, projects like https://github.com/FractalFir/crustc, the ongoing addition of backends to LLVM and Rust, and the eventual removal of obsolete targets as hardware goes away, that's less and less of a problem.