netdev - Re: [RFC Patch net-next] ipv6: do not allow ipv6 module to be removed

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Date:	Thu, 05 Sep 2013 14:06:04 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	amwang@...hat.com
Cc:	netdev@...r.kernel.org, yoshfuji@...ux-ipv6.org,
	stephen@...workplumber.org
Subject: Re: [RFC Patch net-next] ipv6: do not allow ipv6 module to be
 removed

From: Cong Wang <amwang@...hat.com>
Date: Wed,  4 Sep 2013 17:12:50 +0800

> There was some bug report on ipv6 module removal path before.
> Also, as Stephen pointed out, after vxlan module gets ipv6 support,
> the ipv6 stub it used is not safe against this module removal either.
> So, let's just remove inet6_exit() so that ipv6 module will not be
> able to be unloaded.
> 
> Cc: Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>
> Cc: Stephen Hemminger <stephen@...workplumber.org>
> Cc: David S. Miller <davem@...emloft.net>
> Signed-off-by: Cong Wang <amwang@...hat.com>

I think we should make an effort to make ipv6 unloadable.  If you
believe little effort is being put into this now, even less will
be expended if I apply a patch like this one.

And this patch has a lot of problems, you aren't removing all of
the functions which will be completely unused.
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