linux-kernel - Re: [debug patch] printk: Add a printk killswitch to robustify NMI watchdog messages

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Message-ID: <20110605140602.GA29338@elte.hu>
Date:	Sun, 5 Jun 2011 16:06:02 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Arne Jansen <lists@...-jansens.de>
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


* 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 ;-)

Thanks,

	Ingo
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