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From: David Miller <davem@davemloft.net>
To: ebiederm@xmission.com
Cc: fruggeri@aristanetworks.com, edumazet@google.com,
	jiri@resnulli.us, alexander.h.duyck@intel.com, amwang@redhat.com,
	netdev@vger.kernel.org
Subject: Re: [PATCH 1/1] net: race condition when removing virtual net_device
Date: Fri, 13 Sep 2013 20:16:26 -0400 (EDT)	[thread overview]
Message-ID: <20130913.201626.1381750756413200302.davem@davemloft.net> (raw)
In-Reply-To: <87txhp249u.fsf@xmission.com>

From: ebiederm@xmission.com (Eric W. Biederman)
Date: Thu, 12 Sep 2013 13:06:53 -0700

> David, Eric, do any of you know why we have this netdevice notfier
> rebroadcast?

It's been there as long as I can remember, but I don't remember
exactly why we do that.

If I had to guess, it's to handle something that has to retry later
due to a "spin_trylock()" or similar type of situation.

Probably best to not remove it. :)

  parent reply	other threads:[~2013-09-14  0:16 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1379008796-2121-1-git-send-email-fruggeri@aristanetworks.com>
2013-09-12 20:06 ` [PATCH 1/1] net: race condition when removing virtual net_device Eric W. Biederman
2013-09-12 21:48   ` Francesco Ruggeri
2013-09-12 22:02     ` Francesco Ruggeri
2013-09-13  5:50     ` Eric W. Biederman
2013-09-13 17:54       ` Francesco Ruggeri
2013-09-14  1:46         ` Eric W. Biederman
2013-09-16  2:54           ` Francesco Ruggeri
2013-09-16 10:45             ` Eric W. Biederman
2013-09-16 20:30               ` Francesco Ruggeri
2013-09-16 23:52                 ` [PATCH net-next] net loopback: Set loopback_dev to NULL when freed Eric W. Biederman
2013-09-17  0:50                   ` Eric Dumazet
2013-09-17  1:34                     ` David Miller
2013-09-17  1:41                       ` Eric Dumazet
2013-09-17  1:52                         ` Eric W. Biederman
2013-09-17 23:05                           ` David Miller
2013-09-17  0:25                 ` [PATCH 1/1] net: race condition when removing virtual net_device Eric W. Biederman
2013-09-17  5:12                   ` Francesco Ruggeri
2013-09-17  3:49                 ` [CFT][PATCH] net: Delay default_device_exit_batch until no devices are unregistering Eric W. Biederman
2013-09-17  6:54                   ` Francesco Ruggeri
2013-09-17  9:38                     ` Eric W. Biederman
2013-09-17 17:14                       ` Francesco Ruggeri
2013-09-17 23:21                   ` David Miller
2013-09-17 23:41                     ` Eric W. Biederman
2013-09-18  0:15                       ` David Miller
2013-09-18  3:50                         ` Francesco Ruggeri
2013-09-18  3:52                           ` David Miller
2013-09-18  8:19                             ` Eric W. Biederman
2013-09-20 16:34                               ` Francesco Ruggeri
2013-09-24  4:19                             ` [PATCH] net: Delay default_device_exit_batch until no devices are unregistering v2 Eric W. Biederman
2013-09-24 17:54                               ` Francesco Ruggeri
2013-09-28 22:14                               ` David Miller
2013-09-14  0:16   ` David Miller [this message]
2013-09-14  1:32     ` [PATCH 1/1] net: race condition when removing virtual net_device Eric W. Biederman
2013-09-09 23:15 Francesco Ruggeri
2013-09-10  0:57 ` Stephen Hemminger
2013-09-10  2:03   ` Francesco Ruggeri

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