Hello, I use the main line code( https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git )The compilation can be successful according to the compilation instructions you provided (at present, it is unclear why the bpf repository compiles warnings and compilation fails). Later, I will deploy a new repository and try to compile again. After writing the reply message, press 'e' to edit the message, and the result is sent to the patch file.....