From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH] ip_gre: CONFIG_IPV6_MODULE support
Date: Wed, 29 Sep 2010 08:24:03 +0200
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Cc: davem@davemloft.net, netdev@vger.kernel.org,
	Patrick McHardy <kaber@trash.net>
To: Herbert Xu <herbert@gondor.apana.org.au>
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Le mercredi 29 septembre 2010 =C3=A0 13:36 +0900, Herbert Xu a =C3=A9cr=
it :
> On Wed, Sep 29, 2010 at 06:24:55AM +0200, Eric Dumazet wrote:
> >
> > Well, we all know icmpv6_cleanup() is not really called (or can we
> > really unload ipv6 ?).
> >=20
> > But unregister_icmpv6_send() should be the first call in it.
>=20
> Do we really need to support IPV6=3Dm and GRE=3Dy? It might be simple=
r
> to just behave as if IPv6 is off when this combination is given.
>=20
> Cheers,

Well, sometimes people wants to :

/etc/modprobe.conf
install ipv6 /bin/true


Yet, be able to load ip_gre as a module

so IPV6=3Dm, GRE=3Dm,