linux-kernel - Re: [PATCH] printk: robustify printk

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Date:	Fri, 8 Aug 2008 16:50:19 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
cc:	paulmck@...ux.vnet.ibm.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, mingo@...e.hu, tglx@...utronix.de,
	marcin.slusarz@...il.com, linux-kernel@...r.kernel.org,
	davem@...emloft.net
Subject: Re: [PATCH] printk: robustify printk



On Fri, 8 Aug 2008, Peter Zijlstra wrote:

> On Fri, 2008-08-08 at 13:32 -0700, Paul E. McKenney wrote:
> 
> > How about if I instead add comments warning people not to put printk()
> > in the relevant RCU-implementation code?  That way I can be not only lazy,
> > but cowardly as well!  ;-)
> 
> Well, it does spoil the party a little, we are now trading one deadlock
> for another :-/

Yeah, but only Paul and his clones would need printks in preempt RCU.

The rest of us mortals now have the rest of the kernel to play with.

-- Steve

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