From: "Uwe Kleine-König" <ukleinek@strlen.de>
To: Frank Seidel <fseidel@suse.de>
Cc: Jean Delvare <khali@linux-fr.org>,
linux kernel <linux-kernel@vger.kernel.org>,
akpm@linux-foundation.org, ben-linux@fluff.org,
linux-i2c@vger.kernel.org, frank@f-seidel.de,
w.sang@pengutronix.de, "David S. Miller" <davem@davemloft.net>,
Frans Pop <elendil@planet.nl>,
Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Subject: Re: [PATCH] i2c: add missing KERN_* constants to printks
Date: Sat, 7 Feb 2009 11:52:19 +0100 [thread overview]
Message-ID: <20090207105219.GA12371@strlen.de> (raw)
In-Reply-To: <498D647C.8070107@suse.de>
On Sat, Feb 07, 2009 at 11:37:48AM +0100, Frank Seidel wrote:
> Jean Delvare wrote:
> > Default log level? That's news to me. Care to elaborate?
>
> printk (in kernel/printk.c) uses vprintk and vprintk:
> asmlinkage int vprintk(const char *fmt, va_list args)
> {
> int printed_len = 0;
> int current_log_level = default_message_loglevel;
> ...
> and default_message_loglevel in include/linux/kernel.h:
>
> #define default_message_loglevel (console_printk[1])
>
> and console_printk[1] is (in kernel/printk.c)
> DEFAULT_MESSAGE_LOGLEVEL
>
> and in kernel/printk.c:
> #define DEFAULT_MESSAGE_LOGLEVEL 4 /* KERN_WARNING */
>
> => so as far as i could see KERN_WARNING is the
> default loglevel of messages.
one little note: This is changable writing to /proc/sys/kernel/printk.
So the patch introduces at least a little change in behaviour.
IMHO this is OK though.
Best regards
Uwe
next prev parent reply other threads:[~2009-02-07 10:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-06 13:45 [PATCH] i2c: add missing KERN_* constants to printks Frank Seidel
2009-02-06 18:35 ` Uwe Kleine-König
2009-02-06 19:59 ` Frank Seidel
2009-02-06 20:53 ` Uwe Kleine-König
2009-02-06 21:23 ` Jean Delvare
2009-02-07 10:37 ` Frank Seidel
2009-02-07 10:52 ` Uwe Kleine-König [this message]
2009-02-07 15:58 ` Jean Delvare
2009-02-07 23:05 ` Jean Delvare
2009-02-08 13:11 ` Frank Seidel
2009-02-08 13:47 ` Jean Delvare
2009-02-08 14:16 ` Frank Seidel
2009-02-09 8:35 ` Wolfram Sang
2009-02-09 10:27 ` Jean Delvare
2009-02-08 14:18 ` [PATCHv2 1/2] " Frank Seidel
2009-02-08 14:20 ` [PATCHv2 2/2] i2c: adapt debug macros for KERN_* constants Frank Seidel
2009-02-09 15:16 ` Jean Delvare
2009-02-10 15:16 ` Wolfram Sang
2009-02-21 12:39 ` Wolfram Sang
2009-02-09 12:22 ` [PATCHv2 1/2] i2c: add missing KERN_* constants to printks Jean Delvare
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