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Date:	Sun, 05 Jun 2011 16:45:07 +0200
From:	Arne Jansen <lists@...-jansens.de>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Peter Zijlstra <peterz@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	efault@....de, npiggin@...nel.dk, akpm@...ux-foundation.org,
	frank.rowand@...sony.com, tglx@...utronix.de,
	linux-tip-commits@...r.kernel.org
Subject: Re: [debug patch] printk: Add a printk killswitch to robustify NMI
 watchdog messages

On 05.06.2011 16:06, Ingo Molnar wrote:
>
> * Arne Jansen<lists@...-jansens.de>  wrote:
>
>> On 05.06.2011 15:39, Ingo Molnar wrote:
>>>
>>> * Arne Jansen<lists@...-jansens.de>   wrote:
>>>
>>>>>> Warning: it's entirely untested.
>>>>
>>>> How is the output supposed to come through? shouldn't printk revert
>>>> to early_printk instead of just returning?
>>>
>>> oh, right you are.
>>>
>>> Does the patch below work? It does early-printk within printk().
>>
>> Too late, I already built my on early_vprintk ;)
>
> heh :-)
>
> Mind posting the patch? Your tested patch is infinitely more valuable
> than my not-even-build-tested patch ;-)

It's basically just your patch. I attached it nevertheless...

-Arne


View attachment "printk_kill.patch" of type "text/x-patch" (3939 bytes)

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