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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Pavel Emelyanov <xemul@parallels.com>
Cc: David Miller <davem@davemloft.net>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Linux Netdev List <netdev@vger.kernel.org>
Subject: Re: [PATCH 5/5] net: Loopback ifindex is constant now
Date: Mon, 06 Aug 2012 13:54:31 +0200	[thread overview]
Message-ID: <1344254071.26674.15.camel@edumazet-glaptop> (raw)
In-Reply-To: <501F9D2B.8000504@parallels.com>

On Mon, 2012-08-06 at 14:32 +0400, Pavel Emelyanov wrote:
> As pointed out, there are places, that access net->loopback_dev->ifindex
> and after ifindex generation is made per-net this value becomes constant
> equals 1. So go ahead and introduce the LOOPBACK_IFINDEX constant and use
> it where appropriate.
> 
> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

What guarantee do we have that loopback is the first device per net ?

You should add this to the changelog because its not that obvious.

  reply	other threads:[~2012-08-06 11:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-06 10:30 [PATCH net-next 0/5] Per-net and on-demand link indices (and related) Pavel Emelyanov
2012-08-06 10:30 ` [PATCH 1/5] net: Don't use ifindices in hash fns Pavel Emelyanov
2012-08-06 10:43   ` Eric Dumazet
2012-08-06 11:01     ` Pavel Emelyanov
2012-08-06 11:51       ` Eric Dumazet
2012-08-06 10:31 ` [PATCH 2/5] net: Allow to create links with given ifindex Pavel Emelyanov
2012-08-06 10:31 ` [PATCH 3/5] veth: Allow to create peer link " Pavel Emelyanov
2012-08-06 10:31 ` [PATCH 4/5] net: Make ifindex generation per-net namespace Pavel Emelyanov
2012-08-06 10:32 ` [PATCH 5/5] net: Loopback ifindex is constant now Pavel Emelyanov
2012-08-06 11:54   ` Eric Dumazet [this message]
2012-08-06 12:13     ` Pavel Emelyanov
  -- strict thread matches above, loose matches on Subject: below --
2012-08-09  7:52 [PATCH net-next 0/5] Per-net and on-demand link indices (and related) v3 Pavel Emelyanov
2012-08-09  7:53 ` [PATCH 5/5] net: Loopback ifindex is constant now Pavel Emelyanov

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