netdev - Re: [PATCH net-next 10/13] net: phy: phy_link_topology: Add a helper to retrieve ports

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Message-ID: <7904208.EvYhyI6sBW@fw-rgant>
Date: Wed, 28 Jan 2026 17:10:05 +0100
From: Romain Gantois <romain.gantois@...tlin.com>
To: davem@...emloft.net, Andrew Lunn <andrew@...n.ch>,
 Jakub Kicinski <kuba@...nel.org>, Eric Dumazet <edumazet@...gle.com>,
 Paolo Abeni <pabeni@...hat.com>, Russell King <linux@...linux.org.uk>,
 Heiner Kallweit <hkallweit1@...il.com>,
 Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: Maxime Chevallier <maxime.chevallier@...tlin.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com,
 Christophe Leroy <christophe.leroy@...roup.eu>,
 Herve Codina <herve.codina@...tlin.com>,
 Florian Fainelli <f.fainelli@...il.com>,
 Vladimir Oltean <vladimir.oltean@....com>,
 Köry Maincent <kory.maincent@...tlin.com>,
 Marek Behún <kabel@...nel.org>,
 Oleksij Rempel <o.rempel@...gutronix.de>,
 Nicolò Veronese <nicveronese@...il.com>,
 Simon Horman <horms@...nel.org>, mwojtas@...omium.org,
 Daniel Golle <daniel@...rotopia.org>,
 Dimitri Fedrau <dimitri.fedrau@...bherr.com>
Subject:
 Re: [PATCH net-next 10/13] net: phy: phy_link_topology: Add a helper to
 retrieve ports

On Tuesday, 27 January 2026 14:41:58 CET Maxime Chevallier wrote:
> In order to allow netlink access to phy_ports, let's add a helper to
> retrieve them. When handling a port coming from phy_link_topology, the
> caller must hold rtnl until it's done with it.

Why not use rtnl-specific lockdep annotations to make this more explicit?

Thanks,

-- 
Romain Gantois, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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