From: Patrick McHardy <kaber@trash.net>
To: hadi@cyberus.ca
Cc: Pavel Emelianov <xemul@sw.ru>, David Miller <davem@davemloft.net>,
Ben Greear <greearb@candelatech.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Linux Netdev List <netdev@vger.kernel.org>,
Linux Containers <containers@lists.osdl.org>,
Kirill Korotaev <dev@sw.ru>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
devel@openvz.org,
Stephen Hemminger <shemminger@linux-foundation.org>
Subject: Re: [PATCH] Virtual ethernet device (tunnel)
Date: Wed, 02 May 2007 14:59:05 +0200 [thread overview]
Message-ID: <46388B19.70300@trash.net> (raw)
In-Reply-To: <1178110192.4074.55.camel@localhost>
jamal wrote:
> On Wed, 2007-02-05 at 14:34 +0200, Patrick McHardy wrote:
>
>
>>Thats a lot better than using sysfs, but I think it would be
>>preferrable to use rtnetlink instead of genetlink for network
>>configuration.
>
>
> or you can just hold rtnl while using genl.
> I do agree it would be easier to just use rtnetlink ...
The rtnl needs to be held in either case, but using a different
netlink family introduces races in message processing. For example
a simple:
ip link add dev veth0
ip route add 10.0.0.0/8 dev veth0
might fail because we have two different input queues and the routing
message might get processed before the link message.
next prev parent reply other threads:[~2007-05-02 13:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-02 10:54 [PATCH] Virtual ethernet device (tunnel) Pavel Emelianov
2007-05-02 10:57 ` [PATCH] Make ip utility veth driver aware Pavel Emelianov
2007-05-02 12:07 ` [Devel] [PATCH] Virtual ethernet device (tunnel) Daniel Lezcano
2007-05-02 12:27 ` Pavel Emelianov
2007-05-02 12:34 ` Patrick McHardy
2007-05-02 12:49 ` jamal
2007-05-02 12:59 ` Patrick McHardy [this message]
2007-05-02 13:40 ` Eric W. Biederman
2007-05-02 13:57 ` Patrick McHardy
2007-05-02 16:37 ` Stephen Hemminger
2007-05-02 16:50 ` Ben Greear
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