linux-kernel - [for-next][PATCH 09/12] tracing/hwlat: Make some internal symbols static

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Message-ID: <20211026162349.024933855@goodmis.org>
Date:   Tue, 26 Oct 2021 12:23:24 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Wang ShaoBo <bobo.shaobowang@...wei.com>
Subject: [for-next][PATCH 09/12] tracing/hwlat: Make some internal symbols static

From: Wang ShaoBo <bobo.shaobowang@...wei.com>

The sparse tool complains as follows:

kernel/trace/trace_hwlat.c:82:27: warning: symbol 'hwlat_single_cpu_data' was not declared. Should it be static?
kernel/trace/trace_hwlat.c:83:1: warning: symbol '__pcpu_scope_hwlat_per_cpu_data' was not declared. Should it be static?

This symbol is not used outside of trace_hwlat.c, so this commit
marks it static.

Link: https://lkml.kernel.org/r/20211021035225.1050685-1-bobo.shaobowang@huawei.com

Signed-off-by: Wang ShaoBo <bobo.shaobowang@...wei.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
---
 kernel/trace/trace_hwlat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c
index d0a730d99a33..56bb7b890578 100644
--- a/kernel/trace/trace_hwlat.c
+++ b/kernel/trace/trace_hwlat.c
@@ -79,8 +79,8 @@ struct hwlat_kthread_data {
 	int			nmi_cpu;
 };
 
-struct hwlat_kthread_data hwlat_single_cpu_data;
-DEFINE_PER_CPU(struct hwlat_kthread_data, hwlat_per_cpu_data);
+static struct hwlat_kthread_data hwlat_single_cpu_data;
+static DEFINE_PER_CPU(struct hwlat_kthread_data, hwlat_per_cpu_data);
 
 /* Tells NMIs to call back to the hwlat tracer to record timestamps */
 bool trace_hwlat_callback_enabled;
-- 
2.33.0