Namhyung Kim wrote:
> BPF CO-RE requires 3 underscores for the ignored suffix rule but it
> mistakenly used only 2. Let's fix it.
>
> Fixes: 3a8b8fc31748 ("perf bpf filter: Support pre-5.16 kernels where 'mem_hops' isn't in 'union perf_mem_data_src'")
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
> ---
> tools/perf/util/bpf_skel/sample_filter.bpf.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/bpf_skel/sample_filter.bpf.c b/tools/perf/util/bpf_skel/sample_filter.bpf.c
> index cffe493af1ed..fb94f5280626 100644
> --- a/tools/perf/util/bpf_skel/sample_filter.bpf.c
> +++ b/tools/perf/util/bpf_skel/sample_filter.bpf.c
> @@ -25,7 +25,7 @@ struct perf_sample_data___new {
> } __attribute__((preserve_access_index));
>
> /* new kernel perf_mem_data_src definition */
> -union perf_mem_data_src__new {
> +union perf_mem_data_src___new {
> __u64 val;
> struct {
> __u64 mem_op:5, /* type of opcode */
> @@ -108,7 +108,7 @@ static inline __u64 perf_get_sample(struct bpf_perf_event_data_kern *kctx,
> if (entry->part == 7)
> return kctx->data->data_src.mem_blk;
> if (entry->part == 8) {
> - union perf_mem_data_src__new *data = (void *)&kctx->data->data_src;
> + union perf_mem_data_src___new *data = (void *)&kctx->data->data_src;
>
> if (bpf_core_field_exists(data->mem_hops))
> return data->mem_hops;
> --
> 2.41.0.rc0.172.g3f132b7071-goog
>
>
Acked-by: John Fastabend <john.fastabend@xxxxxxxxx>
