netdev - Re: [PATCH] IPv6: NLM_F_* flag support for route creation/changing when using netlink.

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Date:	Thu, 27 Oct 2011 00:12:23 -0700 (PDT)
From:	Stephen Hemminger <stephen.hemminger@...tta.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org,
	matti vaittinen ext <matti.vaittinen.ext@....com>
Subject: Re: [PATCH] IPv6: NLM_F_* flag support for route creation/changing when using netlink.


> From: "Vaittinen, Matti (EXT-Other - FI/Oulu)"
> <matti.vaittinen.ext@....com>
> Date: Thu, 27 Oct 2011 09:26:05 +0300
> 
> > 
> > Will requiring NLM_F_CREATE break lots of existing userspace
> > software?
> 
> I can almost guarenetee that since we haven't been requiring this,
> it will break almost everything.

Why not just make it a kernel warning for several releases.

Just checked, and iproute and quagga will have no problem since
they both already pass the CREATE flag.
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