New files:

Modified files:
scripts/Makefile.btf
scripts/Makefile.modfinal
tools/lib/bpf/btf.c
tools/bpf/resolve_btfids/main.c
kernel/bpf/btf.c
tools/lib/bpf/libbpf.map
scripts/link-vmlinux.sh
tools/lib/bpf/btf.h