Exploring GNU extensions in the Linux kernel

The Linux kernel uses various GNU extensions, such as case labels and __builtin_unreachable, to optimize code and improve performance. Additionally, the kernel leverages inline assembly, built-in functions, and compiler-specific features like __builtin_constant_p to interact with hardware and implement specific functionality. [summary] [comments]


这是一个从 https://maskray.me/blog/2024-05-12-exploring-gnu-extensions-in-linux-kernel 下的原始话题分离的讨论话题