netdev - Re: [PATCH net-next 0/4] Automatically manage DSA master interface state

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Message-ID: <20210127012546.bdad5fmu7vg2ki7t@skbuf>
Date:   Wed, 27 Jan 2021 03:25:46 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>
Subject: Re: [PATCH net-next 0/4] Automatically manage DSA master interface
 state

On Wed, Jan 27, 2021 at 03:00:24AM +0200, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> This patch series adds code that makes DSA open the master interface
> automatically whenever one user interface gets opened, either by the
> user, or by various networking subsystems: netconsole, nfsroot.
> With that in place, we can remove some of the places in the network
> stack where DSA-specific code was sprinkled.
> 
> Vladimir Oltean (4):
>   net: dsa: automatically bring up DSA master when opening user port
>   net: dsa: automatically bring user ports down when master goes down
>   Revert "net: Have netpoll bring-up DSA management interface"
>   Revert "net: ipv4: handle DSA enabled master network devices"
> 
>  Documentation/networking/dsa/dsa.rst |  4 ---
>  net/core/netpoll.c                   | 22 +++------------
>  net/dsa/slave.c                      | 40 ++++++++++++++++++++++++++--
>  net/ipv4/ipconfig.c                  | 21 ++++++++++++---
>  4 files changed, 59 insertions(+), 28 deletions(-)

Please treat this as RFC. There's still some debugging I need to do with
nfsroot.