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From: David Miller <davem@davemloft.net>
To: fubar@us.ibm.com
Cc: bhutchings@solarflare.com, andy@greyhouse.net, kaber@trash.net,
	netdev@vger.kernel.org, brian.haley@hp.com
Subject: Re: [PATCH net-next-2.6 3/3] bonding,ipv4,ipv6,vlan: Handle NETDEV_BONDING_FAILOVER like NETDEV_NOTIFY_PEERS
Date: Thu, 21 Apr 2011 21:13:49 -0700 (PDT)	[thread overview]
Message-ID: <20110421.211349.193726731.davem@davemloft.net> (raw)
In-Reply-To: <26398.1303240321@death>

From: Jay Vosburgh <fubar@us.ibm.com>
Date: Tue, 19 Apr 2011 12:12:01 -0700

> Ben Hutchings <bhutchings@solarflare.com> wrote:
> 
>>Why would we activate a slave without link up?  Perhaps if the previous
>>active slave is removed?
> 
> 	It's special sauce for Infiniband; I don't recall the details
> except that the submitter said that without it the initial gratuitous
> ARP could be lost.  I didn't (and still don't) have IB hardware to test
> this on.

I vaguely remember this IB has too, but also forget the details.

If someone would get to the bottom of this and add a nice big comment
to the code, to prevent such difficulties in remembering exactly why we
do this in the future, I would very much appreciate it.

      parent reply	other threads:[~2011-04-22  4:14 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-15 23:47 [PATCH net-next-2.6 3/3] bonding,ipv4,ipv6,vlan: Handle NETDEV_BONDING_FAILOVER like NETDEV_NOTIFY_PEERS Ben Hutchings
2011-04-16  0:30 ` Jay Vosburgh
2011-04-16  1:51   ` Brian Haley
2011-04-16  2:53     ` Ben Hutchings
2011-04-18 19:09   ` Ben Hutchings
2011-04-19  1:32     ` Brian Haley
2011-04-19 14:56       ` Ben Hutchings
2011-04-19 19:12     ` Jay Vosburgh
2011-04-19 19:34       ` Brian Haley
2011-04-22  4:13       ` David Miller [this message]

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