netdev - Re: [PATCH v1 net-next] arp: Convert SIOCDARP and SIOCSARP to per-netns RTNL.

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Message-ID: <CANn89iJTQmF7_AMUP_QBV3YkrU9KDRTuumTQEJT8_JcmK3O3Sw@mail.gmail.com>
Date: Tue, 11 Feb 2025 14:30:06 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: Kuniyuki Iwashima <kuniyu@...zon.com>
Cc: "David S. Miller" <davem@...emloft.net>, David Ahern <dsahern@...nel.org>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
	Kuniyuki Iwashima <kuni1840@...il.com>, netdev@...r.kernel.org
Subject: Re: [PATCH v1 net-next] arp: Convert SIOCDARP and SIOCSARP to
 per-netns RTNL.

On Tue, Feb 11, 2025 at 5:51 AM Kuniyuki Iwashima <kuniyu@...zon.com> wrote:
>
> ioctl(SIOCDARP/SIOCSARP) operates on a single netns fetched from
> an AF_INET socket in inet_ioctl().
>
> Let's hold rtnl_net_lock() for SIOCDARP and SIOCSARP.
>
> Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.com>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>