linux-kernel - Re: CONFIG_EARLY

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Date:	Sat, 16 Mar 2013 16:08:38 +0100
From:	Thomas Meyer <thomas@...3r.de>
To:	Randy Dunlap <rdunlap@...radead.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: CONFIG_EARLY_PRINTK

Am Mittwoch, den 13.03.2013, 12:56 -0700 schrieb Randy Dunlap:
> On 03/13/13 10:15, Thomas Meyer wrote:
> > Hi,
> > 
> >  -*- Early printk 
> > 
> > help text says:
> > "You should normally N here, unless you want to debug such a crash.
> > (Depends on: EXPERT [=n])"
> > 
> > How to normally N here?
> 
> You'll have to enable CONFIG_EXPERT and then you can disable EARLY_PRINTK.
> 
> You may even have to disable CONFIG_EMBEDDED before you can enable
> CONFIG_EXPERT (I did).
> 
> Too many hoops to have to jump through.   :(
> 

Yes,

so why not do this? As the text to EARLY_PRINTK explains?

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index b322f12..d6c2d89 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -32,7 +32,7 @@ config X86_VERBOSE_BOOTUP
 
 config EARLY_PRINTK
        bool "Early printk" if EXPERT
-       default y
+       default n
        ---help---
          Write kernel log output directly into the VGA buffer or to a
serial
          port.



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