diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2022-03-16 13:24:11 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2022-03-17 20:17:19 -0700 |
| commit | 97ee4d20ee67eb462581a7af01442de6586e390b (patch) | |
| tree | 8c0568ba29f1abcd9427bc29c7bcbf50786d4014 /kernel/trace | |
| parent | 42a5712094e89ef0a125ac0f9d0873f9233368b1 (diff) | |
bpf: Add support to inline bpf_get_func_ip helper on x86
Adding support to inline it on x86, because it's single
load instruction.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220316122419.933957-6-jolsa@kernel.org
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/bpf_trace.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 250750932228..0e7f8c9bc756 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -1039,6 +1039,7 @@ static const struct bpf_func_proto bpf_get_func_ip_proto_kprobe = { BPF_CALL_1(bpf_get_func_ip_kprobe_multi, struct pt_regs *, regs) { + /* This helper call is inlined by verifier on x86. */ return instruction_pointer(regs); } |