Re: [PATCH bpf] samples/bpf: xdp_redirect_cpu fix missing tracepoint attach

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On Fri, Dec 20, 2019 at 8:19 AM Jesper Dangaard Brouer
<brouer@xxxxxxxxxx> wrote:
>
> When sample xdp_redirect_cpu was converted to use libbpf, the
> tracepoints used by this sample were not getting attached automatically
> like with bpf_load.c. The BPF-maps was still getting loaded, thus
> nobody notice that the tracepoints were not updating these maps.
>
> This fix doesn't use the new skeleton code, as this bug was introduced
> in v5.1 and stable might want to backport this. E.g. Red Hat QA uses
> this sample as part of their testing.
>
> Fixes: bbaf6029c49c ("samples/bpf: Convert XDP samples to libbpf usage")
> Signed-off-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
> ---

Acked-by: Andrii Nakryiko <andriin@xxxxxx>

>  samples/bpf/xdp_redirect_cpu_user.c |   59 +++++++++++++++++++++++++++++++++--
>  1 file changed, 55 insertions(+), 4 deletions(-)
>

[...]



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