linux-kernel - [PATCH --next] tracing: Make tracepoint_print

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Message-ID: <20221122091031.71248-1-xiujianfeng@huawei.com>
Date:   Tue, 22 Nov 2022 17:10:31 +0800
From:   Xiu Jianfeng <xiujianfeng@...wei.com>
To:     <rostedt@...dmis.org>, <mhiramat@...nel.or>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH --next] tracing: Make tracepoint_print_iter static

After change in commit 4239174570da ("tracing: Make tracepoint_printk a
static_key"), this symbol is not used outside of the file, so mark it
static.

Signed-off-by: Xiu Jianfeng <xiujianfeng@...wei.com>
---
 kernel/trace/trace.c | 2 +-
 kernel/trace/trace.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 47a44b055a1d..11a7214a2f49 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -85,7 +85,7 @@ void __init disable_tracing_selftest(const char *reason)
 #endif
 
 /* Pipe tracepoints to printk */
-struct trace_iterator *tracepoint_print_iter;
+static struct trace_iterator *tracepoint_print_iter;
 int tracepoint_printk;
 static bool tracepoint_printk_stop_on_boot __initdata;
 static DEFINE_STATIC_KEY_FALSE(tracepoint_printk_key);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 54ee5711c729..d9b470a0adf2 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1941,8 +1941,6 @@ static inline void tracer_hardirqs_on(unsigned long a0, unsigned long a1) { }
 static inline void tracer_hardirqs_off(unsigned long a0, unsigned long a1) { }
 #endif
 
-extern struct trace_iterator *tracepoint_print_iter;
-
 /*
  * Reset the state of the trace_iterator so that it can read consumed data.
  * Normally, the trace_iterator is used for reading the data when it is not
-- 
2.17.1