linux-kernel - Re: [PATCH] net/cxgb4: use remove handler as shutdown handler

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Message-Id: <20140225.183553.280525429605913122.davem@davemloft.net>
Date:	Tue, 25 Feb 2014 18:35:53 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	cascardo@...ux.vnet.ibm.com
Cc:	netdev@...r.kernel.org, dm@...lsio.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/cxgb4: use remove handler as shutdown handler

From: Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>
Date: Mon, 24 Feb 2014 17:04:52 -0300

> Without a shutdown handler, T4 cards behave very badly after a kexec.
> Some firmware calls return errors indicating allocation failures, for
> example. This is probably because thouse resources were not released by
> a BYE message to the firmware, for example.
> 
> Using the remove handler guarantees we will use a well tested path.
> 
> With this patch I applied, I managed to use kexec multiple times and
> probe and iSCSI login worked every time.
> 
> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>

Applied.
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