linux-kernel - [PATCH] tracing: Use init

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Date: Thu, 22 Feb 2024 12:46:39 +0000
From: John Garry <john.g.garry@...cle.com>
To: rostedt@...dmis.org, mhiramat@...nel.org, mathieu.desnoyers@...icios.com
Cc: linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        John Garry <john.g.garry@...cle.com>
Subject: [PATCH] tracing: Use init_utsname()->release

Instead of using UTS_RELEASE, use init_utsname()->release, which means that
we don't need to rebuild the code just for the git head commit changing.

Signed-off-by: John Garry <john.g.garry@...cle.com>
---
I originally sent an RFC using new string uts_release, but that
string is not needed as we can use init_utsname()->release instead.

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 8198bfc54b58..1416bf72f3f4 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -13,7 +13,7 @@
  *  Copyright (C) 2004 Nadia Yvette Chambers
  */
 #include <linux/ring_buffer.h>
-#include <generated/utsrelease.h>
+#include <linux/utsname.h>
 #include <linux/stacktrace.h>
 #include <linux/writeback.h>
 #include <linux/kallsyms.h>
@@ -4368,7 +4368,7 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter)
 	get_total_entries(buf, &total, &entries);
 
 	seq_printf(m, "# %s latency trace v1.1.5 on %s\n",
-		   name, UTS_RELEASE);
+		   name, init_utsname()->release);
 	seq_puts(m, "# -----------------------------------"
 		 "---------------------------------\n");
 	seq_printf(m, "# latency: %lu us, #%lu/%lu, CPU#%d |"
-- 
2.31.1