netdev - Re: [Patch net-next] net: introduce a knob to control whether to inherit devconf config

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Message-Id: <20190122.110739.525639247784135260.davem@davemloft.net>
Date:   Tue, 22 Jan 2019 11:07:39 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     xiyou.wangcong@...il.com
Cc:     netdev@...r.kernel.org, Yanjun.Zhu@...driver.com,
        xiangxia.m.yue@...il.com, nicolas.dichtel@...nd.com
Subject: Re: [Patch net-next] net: introduce a knob to control whether to
 inherit devconf config

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Thu, 17 Jan 2019 23:27:11 -0800

> There have been many people complaining about the inconsistent
> behaviors of IPv4 and IPv6 devconf when creating new network
> namespaces.  Currently, for IPv4, we inherit all current settings
> from init_net, but for IPv6 we reset all setting to default.
> 
> This patch introduces a new /proc file
> /proc/sys/net/core/devconf_inherit_init_net to control the
> behavior of whether to inhert sysctl current settings from init_net.
> This file itself is only available in init_net.
 ...
> Reported-by: Zhu Yanjun <Yanjun.Zhu@...driver.com>
> Reported-by: Tonghao Zhang <xiangxia.m.yue@...il.com>
> Cc: Nicolas Dichtel <nicolas.dichtel@...nd.com>
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

Applied, thanks.