Re: [PATCH bpf-next v6] selftests/bpf: trace_helpers.c: optimize kallsyms cache

Rong Tao
2023-08-22T00:45:38Z

> I think you need to fix this on samples/bpf side
>
> I tried to play with the samples/bpf/ includes, but couldn't find a way to
> make this work.. selftests base includes on tools/include, while samples
> have $(objtree)/usr/include as first include and AFAICS the __must_check is
> defined under __KERNEL__ ifdef
>
> I guess the reason samples use $(objtree)/usr/include is to get some struct
> definitions which are not in tools/include, but looks like some samples objects
> already use vmlinux.h include, so that could be the way forward to fix that

I tried the method you suggested, and some unexpected problems occurred. Maybe,
we can apply v5 [0] first, and then solve this problem?

Best wishes,
Rong Tao

[0] v5: https://lore.kernel.org/lkml/tencent_0E9E1A1C0981678D5E7EA9E4BDBA8EE2200A@qq.com/