linux-kernel - Re: init-mainc-convert-to-pr

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Date:	Tue, 23 Apr 2013 12:26:17 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at>,
	kernel@...gutronix.de
Subject: Re: init-mainc-convert-to-pr_foo.patch is IMHO broken

On Tue, 23 Apr 2013 21:18:39 +0200 Uwe Kleine-K__nig <u.kleine-koenig@...gutronix.de> wrote:

> Hello,
> 
> init-mainc-convert-to-pr_foo.patch breaks the initcall_debug kernel
> parameter. Before the patch I could add
> 
> 	initcall_debug ignore_loglevel
> 
> to the kernel command line and got some additional output about
> initcalls. Now that init/main.c uses pr_debug instead of
> printk(KERN_DEBUG ...) the interesting statements are not compiled in
> any more.
> 

huh.  pr_debug() is different from all the other pr_foo()s.  I never
noticed that.

This?

--- a/init/main.c~init-mainc-convert-to-pr_foo-fix
+++ a/init/main.c
@@ -9,6 +9,8 @@
  *  Simplified starting of init:  Michael A. Griffith <grif@....org> 
  */
 
+#define DEBUG
+
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/proc_fs.h>
_

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