[PATCH v6 2/7] perf/bpf: Create bpf_overflow_handler() stub for !CONFIG_BPF_SYSCALL

[Kyle Huey <me@xxxxxxxxxxxx>]

This will allow __perf_event_overflow() (which is independent of
CONFIG_BPF_SYSCALL) to call bpf_overflow_handler().

Signed-off-by: Kyle Huey <khuey@xxxxxxxxxxxx>
---
 kernel/events/core.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index ee025125a681..a7c2a739a27c 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -9624,6 +9624,12 @@ static void perf_event_free_bpf_handler(struct perf_event *event)
 	bpf_prog_put(prog);
 }
 #else
+static void bpf_overflow_handler(struct perf_event *event,
+				 struct perf_sample_data *data,
+				 struct pt_regs *regs)
+{
+}
+
 static int perf_event_set_bpf_handler(struct perf_event *event,
 				      struct bpf_prog *prog,
 				      u64 bpf_cookie)
-- 
2.34.1