linux-kernel - [PATCH] perf core: Make local function perf_pmu_snapshot

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Message-Id: <20210526032526.17660-1-xiehaocheng.cn@gmail.com>
Date:   Wed, 26 May 2021 11:25:26 +0800
From:   Haocheng Xie <xiehaocheng.cn@...il.com>
To:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        jolsa@...hat.com, namhyung@...nel.org
Cc:     linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Haocheng Xie <xiehaocheng.cn@...il.com>
Subject: [PATCH] perf core:  Make local function perf_pmu_snapshot_aux() static

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@...il.com>
---
 kernel/events/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 6fee4a7..0d98d6a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6667,7 +6667,7 @@ static unsigned long perf_prepare_sample_aux(struct perf_event *event,
 	return data->aux_size;
 }
 
-long perf_pmu_snapshot_aux(struct perf_buffer *rb,
+static long perf_pmu_snapshot_aux(struct perf_buffer *rb,
 			   struct perf_event *event,
 			   struct perf_output_handle *handle,
 			   unsigned long size)
-- 
2.9.5