From mboxrd@z Thu Jan  1 00:00:00 1970
From: "David S. Miller" <davem@davemloft.net>
Subject: Re: [RFC PATCH] [IPV6] ADDRCONF: Convert addrconf_lock to RCU.
Date: Fri, 05 May 2006 17:40:11 -0700 (PDT)
Message-ID: <20060505.174011.10378443.davem@davemloft.net>
References: <20060505.122452.46183936.yoshfuji@linux-ipv6.org>
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To: yoshfuji@linux-ipv6.org
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From: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Date: Fri, 05 May 2006 12:24:52 +0900 (JST)

> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

It is critical that we free the inet6 device structure using an RCU
callback in order for this locking strategy to work.

An RCU head needs to be added to "struct inet6_dev", and
in6_dev_finish_destroy() will need to schedule the real kfree() call
via an RCU callback.