From: David Miller <davem@davemloft.net>
To: yevgenyp@mellanox.co.il
Cc: rdreier@cisco.com, general@lists.openfabrics.org, netdev@vger.kernel.org
Subject: Re: [ofa-general][PATCH] mlx4_core: Synch catastrophic flow with module unload
Date: Mon, 13 Jul 2009 11:14:07 -0700 (PDT) [thread overview]
Message-ID: <20090713.111407.196601373.davem@davemloft.net> (raw)
In-Reply-To: <4A5B5274.2020801@mellanox.co.il>
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Date: Mon, 13 Jul 2009 18:27:48 +0300
> There is a race condition when the mlx4_core module is being unloaded
> during the execution of restart task due to catastrophic error.
> Added a global mutex that synchs those operations. If the catastrophic task
> tries to catch the mutex, and it is already taken, it means that somebody is unloading the
> module, and there is no point in executing the restart operation.
> If the unload function tries to catch the mutex and it is taken,
> it would wait for the catas task to finish and then unload the module.
>
> Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Applied, thanks.
next prev parent reply other threads:[~2009-07-13 18:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-13 15:27 [ofa-general][PATCH] mlx4_core: Synch catastrophic flow with module unload Yevgeny Petrilin
2009-07-13 18:14 ` David Miller [this message]
2009-07-13 19:45 ` Roland Dreier
2009-07-13 20:09 ` David Miller
2009-07-13 21:53 ` Roland Dreier
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