netdev - Re: [RESEND PATCH 0/2] Make functions of dev_<level> macros, recursive vsnprintf

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Message-ID: <alpine.LFD.2.00.1003041504080.3751@localhost.localdomain>
Date:	Thu, 4 Mar 2010 15:06:17 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Joe Perches <joe@...ches.com>, Nick Andrew <nick@...k-andrew.net>,
	linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...e.de>,
	netdev@...r.kernel.org
Subject: Re: [RESEND PATCH 0/2] Make functions of dev_<level> macros, recursive
 vsnprintf



On Thu, 4 Mar 2010, Andrew Morton wrote:
> 
> What would I need to do to make it recur more than once?  Include a %pV
> in a string, like dev_printk("%s", %%pV")?

I would argue that if somebody does that, they're just broken.

The single level of recursion is really nice - it solves a real annoyance. 
But if somebody starts trying to do multiple levels, that's just crazy.

Of course, I guess we don't relly have any way of sanely _counting_ the 
recursion level, so we'd have to just trust people to not do crazy things. 

And that's a big thing to take on trust ;)

			Linus
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