netdev - Re: kernel panic in latest vanilla stable, while using nameif with "alive" pppoe interfaces

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Message-ID: <20091023151837.GB5394@lenovo>
Date:	Fri, 23 Oct 2009 19:18:37 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	netdev <netdev@...r.kernel.org>
Cc:	Denys Fedoryschenko <denys@...p.net.lb>,
	Michal Ostrowski <mostrows@...il.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	linux-ppp@...r.kernel.org, paulus@...ba.org, mostrows@...thlink.net
Subject: Re: kernel panic in latest vanilla stable, while using nameif with
	"alive" pppoe interfaces

[Cyrill Gorcunov - Tue, Oct 20, 2009 at 11:08:21PM +0400]
...
| 
| Just to update status of the issue. The key moment is that pppoe_flush_dev
| may be called asynchronously (especially via sysfs on dev entry, for example
| we retrieve mtu of device and while we at it other process may update mtu
| via sysfs). So I'm returning pppoe_hash_lock back which should eliminate a
| number of lock complains and make locking scheme easier. All-in-one: I'm
| working on it. Just need some more time.
| 
| 	-- Cyrill

Another status update -- the patch is under testing stage. Hope we will
reveal proper patch soon (in a few days I guess).

	-- Cyrill
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