From: Jiri Pirko <jiri@resnulli.us>
To: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: netdev@vger.kernel.org, davem@davemloft.net, idosch@mellanox.com,
eladr@mellanox.com, yotamg@mellanox.com, dsa@cumulusnetworks.com,
shm@cumulusnetworks.com
Subject: Re: [patch net-next] vrf: add exit function and allow module unload
Date: Wed, 4 May 2016 12:24:55 +0200 [thread overview]
Message-ID: <20160504102455.GB1947@nanopsycho.orion> (raw)
In-Reply-To: <1462357422.1666076.597731009.4C5E1305@webmail.messagingengine.com>
Wed, May 04, 2016 at 12:23:42PM CEST, hannes@stressinduktion.org wrote:
>Hello Jiri,
>
>On Wed, May 4, 2016, at 12:20, Jiri Pirko wrote:
>> drivers/net/vrf.c | 7 +++++++
>> 1 file changed, 7 insertions(+)
>>
>> diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
>> index 8a8f1e5..b217c2d 100644
>> --- a/drivers/net/vrf.c
>> +++ b/drivers/net/vrf.c
>> @@ -839,7 +839,14 @@ error:
>> return rc;
>> }
>>
>> +static void __exit vrf_exit_module(void)
>> +{
>> + rtnl_link_unregister(&vrf_link_ops);
>> + unregister_netdevice_notifier(&vrf_notifier_block);
>> +}
>> +
>> module_init(vrf_init_module);
>> +module_exit(vrf_exit_module);
>
>The dst_entries created by vrf don't carry a reference to THIS_MODULE
>but have a code dependency to the vrf module (e.g. via
>vrf_output/vrf_output6) that gets published. This is exactly the same
>why ipv6 cannot be unloaded.
Oh. Okay. Thanks!
next prev parent reply other threads:[~2016-05-04 10:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-04 10:20 [patch net-next] vrf: add exit function and allow module unload Jiri Pirko
2016-05-04 10:23 ` Hannes Frederic Sowa
2016-05-04 10:24 ` Jiri Pirko [this message]
2016-05-04 15:59 ` David Miller
2016-05-04 16:05 ` David Ahern
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