Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH] bpf: Allow bpf_get_current_ancestor_cgroup_id for tracing | Date | Sun, 27 Jun 2021 08:36:27 -0700 |
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Allow the helper to be called from tracing programs. This is needed to handle cgroup hiererachies in the program.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- kernel/trace/bpf_trace.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 7a52bc172841..64bd2d84367f 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -1017,6 +1017,8 @@ bpf_tracing_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) #ifdef CONFIG_CGROUPS case BPF_FUNC_get_current_cgroup_id: return &bpf_get_current_cgroup_id_proto; + case BPF_FUNC_get_current_ancestor_cgroup_id: + return &bpf_get_current_ancestor_cgroup_id_proto; #endif case BPF_FUNC_send_signal: return &bpf_send_signal_proto; -- 2.32.0.93.g670b81a890-goog
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