linux-kernel - Re: [Regression?] Commit cb4f71c429 deliberately changes order of network interfaces

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Date:   Wed, 24 Aug 2016 20:14:44 +0200
From:   Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:     lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
Cc:     Ralph Sennhauser <ralph.sennhauser@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Gregory CLEMENT <gregory.clement@...e-electrons.com>
Subject: Re: [Regression?] Commit cb4f71c429 deliberately changes order of
 network interfaces

Hello,

On Wed, 24 Aug 2016 14:07:27 -0400, Lennart Sorensen wrote:

> > The nice thing about having the order in the dtb I thought was that it
> > wont ever change.  
> 
> I wonder, if someone was to build a box with this cpu, and add a PCIe
> network device, which order would they get probed in?  Any chance the
> PCIe could grab eth0 before the mvneta devices get probed?

Depends on the network driver I believe. But with an e1000e NIC plugged
in a PCIe slot, it indeed gets assigned as eth0, and the internal
mvneta devices get eth1, eth2, etc.

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com