From 6cb5fb3891db9d3f6feb0f7669946550c9abc420 Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Thu, 3 May 2018 18:37:10 -0700
Subject: [PATCH] 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 <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
---
 kernel/bpf/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 1127552c8033..d0d7d9462368 100644
--- 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 = {