Explore the journey of HWCAP implementation on RISC-V platforms in this 30-minute conference talk presented at the Linux Plumbers Conference. Delve into the challenges, solutions, and developments surrounding hardware capability detection for RISC-V architectures. Gain insights from "Ruinland" ChuanTzu Tsai as they discuss the intricacies of adapting HWCAP to the unique characteristics of RISC-V, and learn about the implications for Linux kernel development and system optimization on this emerging platform.