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List: linux-netdev
Subject: Re: Patch: Make linkwatch more robust against rtnl holders
From: Stefan Rompf <srompf () isg ! de>
Date: 2004-02-20 16:44:21
Message-ID: 200402201744.21348.srompf () isg ! de
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Hi David,
> > the attached patch updates the linkwatch code so that it backs off and
> > retries whenever it cannot get the rtnl semaphore.
>
> I think we should fix locking conflicts created by things like what
> the sungem driver is doing instead.
On the other hand, I'm not aware of any convention when flush_scheduled_work()
is allowed to be called. As long as anyone inside kernel space is can
schedule work and anyone else can wait for completion, it does not hurt to
make a schedule task less vulnerable to deadlocks.
Stefan
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