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Date: Mon, 09 Sep 2013 13:27:20 -0400 (EDT)
From: David Miller <davem@...emloft.net>
To: mkubecek@...e.cz
Cc: netdev@...r.kernel.org
Subject: Re: RFC: crash in fib6_clean_all() while loading ipv6 module
From: Michal Kubecek <mkubecek@...e.cz>
Date: Mon, 9 Sep 2013 12:05:15 +0200
> This could be prevented by setting a flag when ip6_route_init() is
> complete and not calling fib6_run_gc() from ndisc_netdev_event() until
> the flag is set. However, I don't like the idea of adding a test which
> will be useful only in a short window while loading ipv6 module.
Please just initialize the parts of ipv6 in the correct order necessary
to prevent this problem.
I stronly dislike using flags when it's simply an initialization
ordering problem. It's just like registering a device interrupt
handle before the driver's data structures are properly setup.
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