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From: Jakub Kicinski <kuba@kernel.org>
To: Kory Maincent <kory.maincent@bootlin.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>,
	thomas.petazzoni@bootlin.com, Andrew Lunn <andrew@lunn.ch>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>
Subject: Re: [PATCH net-next v3] net: phy: Fix suspicious rcu_dereference usage
Date: Mon, 20 Jan 2025 11:12:28 -0800	[thread overview]
Message-ID: <20250120111228.6bd61673@kernel.org> (raw)
In-Reply-To: <20250120141926.1290763-1-kory.maincent@bootlin.com>

On Mon, 20 Jan 2025 15:19:25 +0100 Kory Maincent wrote:
> The path reported to not having RTNL lock acquired is the suspend path of
> the ravb MAC driver. Without this fix we got this warning:

I maintain that ravb is buggy, plenty of drivers take rtnl_lock 
from the .suspend callback. We need _some_ write protection here,
the patch as is only silences a legitimate warning.
-- 
pw-bot: cr

  reply	other threads:[~2025-01-20 19:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-20 14:19 [PATCH net-next v3] net: phy: Fix suspicious rcu_dereference usage Kory Maincent
2025-01-20 19:12 ` Jakub Kicinski [this message]
2025-01-21  9:38   ` Kory Maincent
2025-01-21 10:02     ` Russell King (Oracle)
2025-01-21 10:29     ` Claudiu Beznea
2025-01-21 11:34     ` Paul Barker
2025-01-21 13:01       ` Kory Maincent
2025-01-21 15:44         ` Paul Barker
2025-01-21 16:11           ` Kory Maincent
2025-01-22 14:03             ` Paul Barker
2025-01-22 16:12               ` Kory Maincent
2025-01-23 11:25             ` Claudiu Beznea
2025-01-23 14:05               ` Kory Maincent
2025-01-23 15:45             ` Russell King (Oracle)

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