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Message-ID: <8462.1171884453@redhat.com>
Date:	Mon, 19 Feb 2007 11:27:33 +0000
From:	David Howells <dhowells@...hat.com>
To:	Oleg Nesterov <oleg@...sign.ru>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jarek Poplawski <jarkao2@...pl>,
	"David S. Miller" <davem@...emloft.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] net/bridge/br_if.c: don't use _WORK_NAR 

Oleg Nesterov <oleg@...sign.ru> wrote:

> Afaics, noautorel work_struct buys nothing for "struct net_bridge_port".

You may be right.

> If del_nbp()->cancel_delayed_work(&p->carrier_check) fails, port_carrier_check
> may be called later anyway.

Called by what?  Something outside of br_if.c?

> So the reading of *work in port_carrier_check() is equally unsafe with or
> without this patch.

Hmmm... cancel_delayed_work() in del_nbp() probably ought to be followed by a
flush_scheduled_work().

David
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