On Sat, Oct 10, 2020 at 11:17 AM Daniel T. Lee <danieltimlee@xxxxxxxxx> wrote:
>
> From commit d7a18ea7e8b6 ("libbpf: Add generic bpf_program__attach()"),
> for some BPF programs, it is now possible to attach BPF programs
> with __attach() instead of explicitly calling __attach_<type>().
>
> This commit refactors the __attach_tracepoint() with libbpf's generic
> __attach() method. In addition, this refactors the logic of setting
> the map FD to simplify the code. Also, the missing removal of
> bpf_load.o in Makefile has been fixed.
>
> Signed-off-by: Daniel T. Lee <danieltimlee@xxxxxxxxx>
>
> ---
> Changes in v2:
> - program section match with bpf_program__is_<type> instead of strncmp
> - refactor pointer array initialization
> - error code cleanup
>
> samples/bpf/Makefile | 2 +-
> samples/bpf/xdp_redirect_cpu_user.c | 153 +++++++++++++---------------
> 2 files changed, 73 insertions(+), 82 deletions(-)
>
[...]
> @@ -986,6 +975,8 @@ int main(int argc, char **argv)
>
> stats_poll(interval, use_separators, prog_name, mprog_name,
> &value, stress_mode);
> +
> + err = EXIT_OK;
> out:
This one doesn't call bpf_object__close() as well, but let's land your
refactoring and we can do further improvements in the follow ups.
Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> free(cpu);
> return err;
> --
> 2.25.1
>
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