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Message-ID: <20230406191232.998908152@goodmis.org>
Date: Thu, 06 Apr 2023 15:11:00 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: linux-kernel@...r.kernel.org
Cc: Masami Hiramatsu <mhiramat@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
Tze-nan Wu <Tze-nan.Wu@...iatek.com>,
Mukesh Ojha <quic_mojha@...cinc.com>,
kernel test robot <lkp@...el.com>
Subject: [for-linus][PATCH 2/2] tracing/synthetic: Make lastcmd_mutex static
From: "Steven Rostedt (Google)" <rostedt@...dmis.org>
The lastcmd_mutex is only used in trace_events_synth.c and should be
static.
Link: https://lore.kernel.org/linux-trace-kernel/202304062033.cRStgOuP-lkp@intel.com/
Link: https://lore.kernel.org/linux-trace-kernel/20230406111033.6e26de93@gandalf.local.home
Cc: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Tze-nan Wu <Tze-nan.Wu@...iatek.com>
Fixes: 4ccf11c4e8a8e ("tracing/synthetic: Fix races on freeing last_cmd")
Reviewed-by: Mukesh Ojha <quic_mojha@...cinc.com>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
kernel/trace/trace_events_synth.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c
index f0ff730125bf..d6a70aff2410 100644
--- a/kernel/trace/trace_events_synth.c
+++ b/kernel/trace/trace_events_synth.c
@@ -44,7 +44,7 @@ enum { ERRORS };
static const char *err_text[] = { ERRORS };
-DEFINE_MUTEX(lastcmd_mutex);
+static DEFINE_MUTEX(lastcmd_mutex);
static char *last_cmd;
static int errpos(const char *str)
--
2.39.2
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