linux-kernel - Re: [PATCH net 2/3] net/mlx5e: Prevent entering switchdev mode with inconsistent netns

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Message-ID: <20250909182319.6bfa8511@kernel.org>
Date: Tue, 9 Sep 2025 18:23:19 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Tariq Toukan <tariqt@...dia.com>
Cc: Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky
 <leon@...nel.org>, Mark Bloch <mbloch@...dia.com>,
 <netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, Gal Pressman <gal@...dia.com>, Jianbo Liu
 <jianbol@...dia.com>
Subject: Re: [PATCH net 2/3] net/mlx5e: Prevent entering switchdev mode with
 inconsistent netns

On Mon, 8 Sep 2025 13:07:05 +0300 Tariq Toukan wrote:
> If the PF's netns has been moved and differs from the devlink's netns,
> enabling switchdev mode would create an invalid state where
> representors and PF exist in different namespaces.
> 
> To prevent this inconsistent configuration,

Could you explain clearly what is the problem with having different
netdevs in different namespaces? From networking perspective it really
doesn't matter.
-- 
pw-bot: cr