netdev - Re: [PATCH] net/mlx4: Support shutdown() interface

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Message-Id: <20140305.204550.930739914330776862.davem@davemloft.net>
Date:	Wed, 05 Mar 2014 20:45:50 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	shangw@...ux.vnet.ibm.com
Cc:	netdev@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	amirv@...lanox.com, weiyang@...ux.vnet.ibm.com,
	benh@...nel.crashing.org
Subject: Re: [PATCH] net/mlx4: Support shutdown() interface

From: Gavin Shan <shangw@...ux.vnet.ibm.com>
Date: Tue,  4 Mar 2014 15:35:20 +0800

> In kexec scenario, we failed to load the mlx4 driver in the
> second kernel because the ownership bit was hold by the first
> kernel without release correctly.
> 
> The patch adds shutdown() interface so that the ownership can
> be released correctly in the first kernel. It also helps avoiding
> EEH error happened during boot stage of the second kernel because
> of undesired traffic, which can't be handled by hardware during
> that stage on Power platform.
> 
> Signed-off-by: Gavin Shan <shangw@...ux.vnet.ibm.com>
> Tested-by: Wei Yang <weiyang@...ux.vnet.ibm.com>

Applied.
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