From: Kui-Feng Lee <thinker.li@xxxxxxxxx> btf_ctx_access() is needed by module to call bpf_tracing_btf_ctx_access(). btf_ctx_access()) is helpful to implement validation functions that validates ctx accesses. Signed-off-by: Kui-Feng Lee <thinker.li@xxxxxxxxx> --- kernel/bpf/btf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 73d19ef99306..c970a04b9142 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -6141,6 +6141,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type, __btf_name_by_offset(btf, t->name_off)); return true; } +EXPORT_SYMBOL_GPL(btf_ctx_access); enum bpf_struct_walk_result { /* < 0 error */ -- 2.34.1