bpf: export bpf_event_output()

bpf_event_output() is useful for offloads to add events to BPF
event rings, export it.  Note that export is placed near the stub
since tracing is optional and kernel/bpf/core.c is always going
to be built.

Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Reviewed-by: Jiong Wang <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>

diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 1127552c80330ec3fa68e5973d23ae65e23a7ce9..d0d7d94623684b8698a67bba72b05c6de36ed35d 100644 (file)
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -1719,6 +1719,7 @@ bpf_event_output(struct bpf_map *map, u64 flags, void *meta, u64 meta_size,
 {
        return -ENOTSUPP;
 }
+EXPORT_SYMBOL_GPL(bpf_event_output);
 
 /* Always built-in helper functions. */
 const struct bpf_func_proto bpf_tail_call_proto = {