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Date: Thu, 6 Aug 2026 06:45:50 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Kuniyuki Iwashima <kuniyu@google.com>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>, "David S . Miller"
 <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Paolo Abeni
 <pabeni@redhat.com>, David Ahern <dsahern@kernel.org>, Ido Schimmel
 <idosch@nvidia.com>, Simon Horman <horms@kernel.org>, Kuniyuki Iwashima
 <kuni1840@gmail.com>, netdev@vger.kernel.org
Subject: Re: [PATCH v1 net-next 00/11] neighbour: Namespacify arp_tbl and
 nd_tbl.
Message-ID: <20260806064550.7efe9df1@kernel.org>
In-Reply-To: <20260806011152.1170012-1-kuniyu@google.com>
References: <20260806011152.1170012-1-kuniyu@google.com>
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On Thu,  6 Aug 2026 01:11:22 +0000 Kuniyuki Iwashima wrote:
> However, the control paths are serialised by the global
> per-table lock.
> 
> This series converts arp_tbl and nd_tbl to per-netns table.
> 
> Patch 1 ~ 2 are misc cleanup.
> 
> Patch 3 ~ 6 store arp_tbl/nd_tbl to net->neigh_tables[] and
> remove the global neigh_tables[].
> 
> Patch 7 ~ 8 replaces the direct access to arp_tbl/nd_tbl to
> net->neigh_tables[] using new helpers.
> 
> Patch 9 ~ 10 finally replaces the global table with per-netns
> table.
> 
> Patch 11 cleans up unnecessary net_eq().
> 
> Note that some buggy drivers access nd_tbl without checking
> disable_ipv6_mod, so nd_tbl's extern definition is still left.

Hi!

Looks like test_neigh.sh is failing with this