linux-kernel - [for-next][PATCH 02/12] printk: Make vprintk

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Message-ID: <20250710003235.703485893@kernel.org>
Date: Wed, 09 Jul 2025 20:31:58 -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>,
 Nam Cao <namcao@...utronix.de>,
 Petr Mladek <pmladek@...e.com>
Subject: [for-next][PATCH 02/12] printk: Make vprintk_deferred() public

From: Nam Cao <namcao@...utronix.de>

vprintk_deferred() is useful for implementing runtime verification
reactors. Make it public.

Signed-off-by: Nam Cao <namcao@...utronix.de>
Reviewed-by: Petr Mladek <pmladek@...e.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 include/linux/printk.h   | 7 +++++++
 kernel/printk/internal.h | 1 -
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/linux/printk.h b/include/linux/printk.h
index 5b462029d03c..5d22b803f51e 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -154,6 +154,8 @@ int vprintk_emit(int facility, int level,
 
 asmlinkage __printf(1, 0)
 int vprintk(const char *fmt, va_list args);
+__printf(1, 0)
+int vprintk_deferred(const char *fmt, va_list args);
 
 asmlinkage __printf(1, 2) __cold
 int _printk(const char *fmt, ...);
@@ -214,6 +216,11 @@ int vprintk(const char *s, va_list args)
 {
 	return 0;
 }
+static inline __printf(1, 0)
+int vprintk_deferred(const char *fmt, va_list args)
+{
+	return 0;
+}
 static inline __printf(1, 2) __cold
 int _printk(const char *s, ...)
 {
diff --git a/kernel/printk/internal.h b/kernel/printk/internal.h
index 48a24e7b309d..bbed41ad29cf 100644
--- a/kernel/printk/internal.h
+++ b/kernel/printk/internal.h
@@ -72,7 +72,6 @@ int vprintk_store(int facility, int level,
 		  const char *fmt, va_list args);
 
 __printf(1, 0) int vprintk_default(const char *fmt, va_list args);
-__printf(1, 0) int vprintk_deferred(const char *fmt, va_list args);
 
 void __printk_safe_enter(void);
 void __printk_safe_exit(void);
-- 
2.47.2