netdev - Re: [PATCH net V2 2/3] net/mlx5e: Prevent entering switchdev mode with inconsistent netns

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Message-ID: <a720eef5-a01c-4449-8ea0-7cd0d05df25b@nvidia.com>
Date: Wed, 17 Sep 2025 15:07:24 +0800
From: Jianbo Liu <jianbol@...dia.com>
To: Jakub Kicinski <kuba@...nel.org>, 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>
Subject: Re: [PATCH net V2 2/3] net/mlx5e: Prevent entering switchdev mode
 with inconsistent netns



On 9/17/2025 8:21 AM, Jakub Kicinski wrote:
> On Mon, 15 Sep 2025 15:24:33 +0300 Tariq Toukan wrote:
>> If the PF's netns has been moved and differs from the devlink's netns,
>> enabling switchdev mode would create a state where the OVS control
>> plane (ovs-vsctl) cannot manage the switch because the PF uplink
>> representor and the other representors are split across different
>> namespaces.
> 
> I appreciate the extra paragraph of explanation but it's still not
> a fix.

Ack.