linux-kernel - [PATCH 1/2] printk delay for each line break instead of callback

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Date:	Sat, 6 Feb 2010 21:34:25 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: [PATCH 1/2] printk delay for each line break instead of callback

printk delay for every callback does not make sense, change to delay every line

Signed-off-by: Dave Young <hidave.darkstar@...il.com>
---

 kernel/printk.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.orig/kernel/printk.c	2010-02-02 13:38:47.646659531 +0800
+++ linux-2.6/kernel/printk.c	2010-02-02 13:39:19.446657319 +0800
@@ -678,7 +678,6 @@ asmlinkage int vprintk(const char *fmt, 
 	char *p;
 
 	boot_delay_msec();
-	printk_delay();
 
 	preempt_disable();
 	/* This stops the holder of console_sem just where we want him */
@@ -746,6 +745,7 @@ asmlinkage int vprintk(const char *fmt, 
 	 */
 	for ( ; *p; p++) {
 		if (new_text_line) {
+			printk_delay();
 			/* Always output the token */
 			emit_log_char('<');
 			emit_log_char(current_log_level + '0');
--
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