linux-kernel - [PATCH] printk: Remove pr_cont

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Message-Id: <20200524153243.11690-1-penguin-kernel@I-love.SAKURA.ne.jp>
Date:   Mon, 25 May 2020 00:32:43 +0900
From:   Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kernel@...r.kernel.org,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        Joe Perches <joe@...ches.com>
Subject: [PATCH] printk: Remove pr_cont_once()

pr_cont_once() does not make sense; at least emitting module name using
pr_fmt() into middle of a line (after e.g. pr_info_once()) does not make
sense. Let's remove unused pr_cont_once().

Signed-off-by: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc: Joe Perches <joe@...ches.com>
---
 include/linux/printk.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/printk.h b/include/linux/printk.h
index 2562ffb438ed..4c565871f659 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -476,8 +476,7 @@ extern int kptr_restrict;
 	printk_once(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_info_once(fmt, ...)					\
 	printk_once(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
-#define pr_cont_once(fmt, ...)					\
-	printk_once(KERN_CONT pr_fmt(fmt), ##__VA_ARGS__)
+/* no pr_cont_once, don't do that... */
 
 #if defined(DEBUG) || defined(CONFIG_TWIST_ALWAYS_EVALUATE_DEBUG_PRINTK)
 #define pr_devel_once(fmt, ...)					\
-- 
2.18.2