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From: David Ahern <dsahern@gmail.com>
To: Wei Wang <weiwan@google.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>,
	John Stultz <john.stultz@linaro.org>,
	Martin KaFai Lau <kafai@fb.com>,
	lkml <linux-kernel@vger.kernel.org>,
	Network Development <netdev@vger.kernel.org>,
	Linux USB List <linux-usb@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Felipe Balbi <felipe.balbi@linux.intel.com>
Subject: Re: unregister_netdevice: waiting for eth0 to become free. Usage count = 1
Date: Fri, 11 Aug 2017 21:37:00 -0600	[thread overview]
Message-ID: <ddebbddc-bb66-ed0f-423a-277d40f99f66@gmail.com> (raw)
In-Reply-To: <CAEA6p_CxiwXzQHgLA_Oma0pfayYReGc5QmJkV=Td9M1Kdqwbzg@mail.gmail.com>

On 8/11/17 6:25 PM, Wei Wang wrote:
> By "a patch to fix that" do you mean after your patch, for every rt6,
> rt6->rt6i_idev will be the same as rt6->dst.dev?

FIB entries should have them the same device with my patch.

The copies done (ip6_rt_cache_alloc and ip6_rt_pcpu_alloc) will have to
set dst.dev to loopback or VRF device for RTF_LOCAL routes; it's the
only way to get local traffic to work and this is similar to what IPv4 does.

  reply	other threads:[~2017-08-12  3:37 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-07 21:05 unregister_netdevice: waiting for eth0 to become free. Usage count = 1 John Stultz
2017-08-07 21:15 ` John Stultz
2017-08-09 23:34   ` Cong Wang
2017-08-09 23:44     ` John Stultz
2017-08-10  0:36       ` Wei Wang
2017-08-10  0:44         ` John Stultz
2017-08-10  1:26         ` John Stultz
2017-08-10  1:36           ` Wei Wang
2017-08-10  5:41             ` Wei Wang
2017-08-10 18:12               ` John Stultz
2017-08-10 20:06                 ` Wei Wang
2017-08-11 16:48                 ` Cong Wang
2017-08-11 17:25                   ` Wei Wang
2017-08-12  0:10                     ` Wei Wang
2017-08-12  0:19                       ` David Ahern
2017-08-12  0:25                         ` Wei Wang
2017-08-12  3:37                           ` David Ahern [this message]
2017-08-12 19:29                             ` Wei Wang
2017-08-12  0:31                       ` John Stultz
2017-08-12  0:46                         ` Wei Wang
2017-08-12  3:07                         ` John Stultz
2017-08-12 19:28                           ` Wei Wang
2017-08-12 19:29                           ` Wei Wang
2017-08-12 18:01                       ` Ido Schimmel
2017-08-12 19:42                         ` Wei Wang
2017-08-13 16:24                           ` David Ahern
2017-08-13 20:56                             ` Wei Wang
2017-08-13 23:08                               ` David Ahern

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