linux-kernel - [for-next][PATCH 2/2] ring-buffer: make the const read-only type static

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Message-ID: <20250724004144.331778474@kernel.org>
Date: Wed, 23 Jul 2025 20:41:28 -0400
From: Steven Rostedt <rostedt@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Masami Hiramatsu <mhiramat@...nel.org>,
 Mark Rutland <mark.rutland@....com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Colin Ian King <colin.i.king@...il.com>
Subject: [for-next][PATCH 2/2] ring-buffer: make the const read-only type static

From: Colin Ian King <colin.i.king@...il.com>

Don't populate the read-only 'type' on the stack at run time,
instead make it static.

Cc: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Link: https://lore.kernel.org/20250714160858.1234719-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@...il.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 kernel/trace/ring_buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 903d9db75e12..5176e0270f07 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -4216,7 +4216,7 @@ EXPORT_SYMBOL_GPL(ring_buffer_unlock_commit);
 
 static const char *show_irq_str(int bits)
 {
-	const char *type[] = {
+	static const char * type[] = {
 		".",	// 0
 		"s",	// 1
 		"h",	// 2
-- 
2.47.2