bpf: Allow bpf_get_current_ancestor_cgroup_id for tracing

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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>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210627153627.824198-1-namhyung@kernel.org

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Namhyung Kim 2021-06-27 08:36:27 -07:00 • committed by Daniel Borkmann

parent 328aac5ecd

commit 95b861a793

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kernel/trace/bpf_trace.c

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