[PATCH v2 1/3] perf core: Make local function perf_pmu_snapshot_aux() static

From: Haocheng Xie
Date: Wed May 26 2021 - 23:20:23 EST


Fixes the following W=1 kernel build warning:

kernel/events/core.c:6670:6: warning: no previous prototype for 'perf_pmu_snapshot_aux' [-Wmissing-prototypes]

Signed-off-by: Haocheng Xie <xiehaocheng.cn@xxxxxxxxx>
---
kernel/events/core.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 6fee4a7..e1a80e1 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6667,10 +6667,10 @@ static unsigned long perf_prepare_sample_aux(struct perf_event *event,
return data->aux_size;
}

-long perf_pmu_snapshot_aux(struct perf_buffer *rb,
- struct perf_event *event,
- struct perf_output_handle *handle,
- unsigned long size)
+static long perf_pmu_snapshot_aux(struct perf_buffer *rb,
+ struct perf_event *event,
+ struct perf_output_handle *handle,
+ unsigned long size)
{
unsigned long flags;
long ret;
--
2.9.5