netdev - Re: [Patch 0/3] Hangs with IPoIB when doing PCI error injection

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Date:	Fri, 28 Mar 2014 16:47:20 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	clsoto@...ux.vnet.ibm.com
Cc:	roland@...nel.org, sean.hefty@...el.com, hal.rosenstock@...il.com,
	linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
	brking@...ux.vnet.ibm.com
Subject: Re: [Patch 0/3] Hangs with IPoIB when doing PCI error injection 

From: clsoto@...ux.vnet.ibm.com
Date: Thu, 27 Mar 2014 09:28:13 -0500

> This patch is to resolve some hangs we are seeing when doing PCI error injection
> to Mellanox Infiniband cards. With this patch we make mlx4 driver send an IB_EVENT_DEVICE_FATAL 
> to the users and added this event to event handlers to avoid these hangs. 
> If IPoIB is in connected mode, then added to cm an event handler and tried to 
> make sure that when it sees the fatal event it does not try to send anymore packet because
> it will not receive any more completions or interrupts. 

I'm assuming Roland will take this in via his tree.

Thanks.
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