netdev - Re: [PATCH net-next] net-loopback: allow lo dev initial state to be controlled

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Message-ID: <7e16f1f3-2551-dff5-8039-bcede955bbfc@6wind.com>
Date:   Wed, 18 Nov 2020 17:58:39 +0100
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     David Ahern <dsahern@...il.com>,
        Mahesh Bandewar (महेश बंडेवार) <maheshb@...gle.com>,
        Ido Schimmel <idosch@...sch.org>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        Jian Yang <jianyang.kernel@...il.com>,
        David Miller <davem@...emloft.net>,
        linux-netdev <netdev@...r.kernel.org>,
        Jian Yang <jianyang@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next] net-loopback: allow lo dev initial state to be
 controlled

Le 18/11/2020 à 02:12, David Ahern a écrit :
[snip]
> If there is no harm in just creating lo in the up state, why not just do
> it vs relying on a sysctl? It only affects 'local' networking so no real
> impact to containers that do not do networking (ie., packets can't
> escape). Linux has a lot of sysctl options; is this one really needed?
> 
+1

And thus, it will benefit to everybody.