From: Namhyung Kim Date: Sun, 27 Jun 2021 15:36:27 +0000 (-0700) Subject: bpf: Allow bpf_get_current_ancestor_cgroup_id for tracing X-Git-Tag: io_uring-5.14-2021-07-09~10^2~14^2~2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=95b861a7935bf75f647959073093ab8058b88c26;p=linux-block.git 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 Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20210627153627.824198-1-namhyung@kernel.org --- 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;