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Message-ID: <20090623125332.GD12135@darkstar>
Date:	Tue, 23 Jun 2009 20:53:32 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	akpm@...ux-foundation.org, mm-commits@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: +
	printk-boot_delay-rename-printk_delay_msec-to-loops_per_msec.patch
	added to -mm tree

On Tue, Jun 23, 2009 at 09:21:16AM +0200, Ingo Molnar wrote:
> 
> > +++ a/kernel/printk.c
> > @@ -198,12 +198,11 @@ __setup("log_buf_len=", log_buf_len_setu
> >  #ifdef CONFIG_BOOT_PRINTK_DELAY
> >  
> >  static unsigned int boot_delay; /* msecs delay after each printk during bootup */
> > -static unsigned long long printk_delay_msec; /* per msec, based on boot_delay */
> > +static unsigned long long loops_per_msec;
> 
> Lost a comment here - on purpose?

Yes, I thought loops_per_msec is clearer than printk_delay_msec for boot_delay, but add a comment is fine. 

Andrew have fixed it, thanks.

> 
> > -	printk_delay_msec = loops_per_msec;
> >  	printk(KERN_DEBUG "boot_delay: %u, preset_lpj: %ld, lpj: %lu, "
> > -		"HZ: %d, printk_delay_msec: %llu\n",
> > -		boot_delay, preset_lpj, lpj, HZ, printk_delay_msec);
> > +		"HZ: %d, loops_per_msec: %llu\n",
> > +		boot_delay, preset_lpj, lpj, HZ, loops_per_msec);
> 
> If you touch debug printks then please use pr_debug().
> 
> 	Ingo

please see the following fix:
--

From: Dave Young <hidave.darkstar@...il.com>
 
use pr_debug for debug printk.

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	2009-06-23 17:48:25.000000000 +0800
+++ linux-2.6/kernel/printk.c	2009-06-23 18:08:18.000000000 +0800
@@ -211,7 +211,7 @@ static int __init boot_delay_setup(char 
 	if (boot_delay > 10 * 1000)
 		boot_delay = 0;
 
-	printk(KERN_DEBUG "boot_delay: %u, preset_lpj: %ld, lpj: %lu, "
+	pr_debug("boot_delay: %u, preset_lpj: %ld, lpj: %lu, "
 		"HZ: %d, loops_per_msec: %llu\n",
 		boot_delay, preset_lpj, lpj, HZ, loops_per_msec);
 	return 1;
--
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