On Wed, Jul 16, 2025 at 8:29 PM Feng Yang <yangfeng59949@xxxxxxx> wrote: > > From: Feng Yang <yangfeng@xxxxxxxxxx> > > When compiling a program that include <linux/bpf.h> and <bpf/bpf_helpers.h>, (For example: make samples/bpf) > the following warning will be generated: > In file included from tcp_dumpstats_kern.c:7: > samples/bpf/libbpf/include/bpf/bpf_helpers.h:321:9: warning: 'bpf_stream_printk' macro redefined [-Wmacro-redefined] > 321 | #define bpf_stream_printk(stream_id, fmt, args...) \ > | ^ > include/linux/bpf.h:3626:9: note: previous definition is here > 3626 | #define bpf_stream_printk(ss, ...) bpf_stream_stage_printk(&ss, __VA_ARGS__) > | ^ > > The main reason is due to below in sample/bpf/Makefile: No. We're not going to change kernel code because of samples. -- pw-bot: cr