From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] add %pM printf format specifier
Date: Sun, 26 Oct 2008 01:03:29 -0700 (PDT)
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From: Johannes Berg <johannes@sipsolutions.net>
Date: Sun, 26 Oct 2008 09:01:36 +0100

> On Sat, 2008-10-25 at 19:44 +0200, Sven Anders wrote:
> > Johannes Berg schrieb:
> > > This adds a new printf format specifier for the kernel, %pM,
> > > to be used to print out MAC addresses. This has advantages
> > > over the current print_mac scheme:
> > >  * no need for DECLARE_MAC_BUF
> > >  * can be used safely in statements that might be compiled
> > >    out without the print_mac call staying.
> > 
> > Nice, have you though of something similar for IPv4 and IPv6
> > adresses?
> 
> Not really, are they printed often? I haven't had to touch much code
> that printed IP addresses. Nor have I seen them in logs a lot.

It would be a nice future project for someone.  But don't worry
about it for now.