Re: cosmetic printk() issue with lockdep warning inarch/x86/kernel/alternative.c

[Ingo Molnar]

* Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:

> On Wed, 2012-06-27 at 12:49 +0200, Kay Sievers wrote:
> > All we want is a reliable printk
> 
> We too, but we define reliable differently. I want printk() to 
> dump data ASAP so that it has better chance to get out of the 
> system and onto my console in case of a crash. I don't give a 
> rats arse about interleaved text, any text is better than no 
> text.

I actually *fixed* bugs in the past when I saw interleaved text 
printed from multiple CPUs, it told me how narrow and SMP 
dependent a particular race/crash was.

So even interleaving, although annoying most of the time, can be 
useful in some other places.

Thanks,

	Ingo
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