> Every additional bit that the another language creeps in drastically reduces the maintainability of the kernel as an integrated project. The only reason Linux managed to survive so long is by not having internal boundaries, and adding another language complely breaks this. You might not like my answer, but I will do everything I can do to stop this.

https://lwn.net/ml/all/20250131075751.GA16720@lst.de/

Maybe you can try to read what Christoph Hellwig said first.