Explore the future of ClangBuiltLinux in this 19-minute conference talk from linux.conf.au 2021. Gain insights into the adoption of LLVM for building Linux kernels, understand the tradeoffs involved, and learn about the focus areas for 2021. Discover the retrospective of 2020, review outstanding work, and understand how LLVM usage unlocks new possibilities. Learn how to get involved in both kernel and toolchain development. The talk covers topics such as compiler performance, lazy parse, Bolt, and kernel-specific considerations, concluding with a Q&A session.