diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2021-06-27 08:36:27 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-06-28 15:43:02 +0200 |
| commit | 95b861a7935bf75f647959073093ab8058b88c26 (patch) | |
| tree | 7ffb257f081eb1f6bad9f54c86635f01afbcc438 /kernel | |
| parent | 328aac5ecd119ede3633f7d17969b1ff34ccc784 (diff) | |
bpf: Allow bpf_get_current_ancestor_cgroup_id for tracing
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>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210627153627.824198-1-namhyung@kernel.org
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/bpf_trace.c | 2 |
1 files changed, 2 insertions, 0 deletions
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; |