diff options
| author | Alexei Starovoitov <ast@fb.com> | 2016-08-11 18:17:18 -0700 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2022-04-19 00:50:36 +0300 |
| commit | 80f736af8bd0f6aaa535b806aae24a831177ccdd (patch) | |
| tree | 9fee51352595e05353b994fb85f68a4ca48ddeca /kernel/trace/bpf_trace.c | |
| parent | eee2aa696486ff1113698a3f808177ba000a6528 (diff) | |
bpf: allow bpf_get_prandom_u32() to be used in tracing
bpf_get_prandom_u32() was initially introduced for socket filters
and later requested numberous times to be added to tracing bpf programs
for the same reason as in socket filters: to be able to randomly
select incoming events.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Chatur27 <jasonbright2709@gmail.com>
Diffstat (limited to 'kernel/trace/bpf_trace.c')
| -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 99af75a3fcbf..8bf717b9cbdf 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -426,6 +426,8 @@ static const struct bpf_func_proto *tracing_func_proto(enum bpf_func_id func_id) return bpf_get_probe_write_proto(); case BPF_FUNC_current_task_under_cgroup: return &bpf_current_task_under_cgroup_proto; + case BPF_FUNC_get_prandom_u32: + return &bpf_get_prandom_u32_proto; default: return NULL; } |