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From: Kory Maincent <kory.maincent@bootlin.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Donald Hunter <donald.hunter@gmail.com>,
	Rob Herring <robh@kernel.org>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	Simon Horman <horms@kernel.org>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	linux-doc@vger.kernel.org, Kyle Swenson <kyle.swenson@est.tech>,
	Dent Project <dentproject@linuxfoundation.org>,
	kernel@pengutronix.de,
	Maxime Chevallier <maxime.chevallier@bootlin.com>
Subject: Re: [PATCH RFC net-next v2 08/18] net: pse-pd: Add support for reporting events
Date: Tue, 5 Nov 2024 10:48:24 +0100	[thread overview]
Message-ID: <20241105104824.2bc51cf7@kmaincent-XPS-13-7390> (raw)
In-Reply-To: <ede82d07-6adc-486a-b715-e6e783655333@lunn.ch>

On Thu, 31 Oct 2024 22:54:00 +0100
Andrew Lunn <andrew@lunn.ch> wrote:

> > +static struct phy_device *
> > +pse_control_find_phy_by_id(struct pse_controller_dev *pcdev, int id)
> > +{
> > +	struct pse_control *psec;
> > +
> > +	mutex_lock(&pse_list_mutex);
> > +	list_for_each_entry(psec, &pcdev->pse_control_head, list) {
> > +		if (psec->id == id)
> > +			return psec->attached_phydev;  
> 
> The mutex is still locked. I'm surprised your testing did not
> deadlock, and that none of the automated tools have reported this.

Ouch indeed! As explained in the cover letter, this v2 has not been fully
tested.
But I have built it with smatch and sparse. Weirdly they didn't find it. 
Thanks for seeing it.


> ---
> pw-bot: cr

Does RFC patch series pass through the netdev CI build test? 

Regards,
-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com

  reply	other threads:[~2024-11-05  9:48 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-30 16:53 [PATCH RFC net-next v2 00/18] Add support for PSE port priority Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 01/18] net: pse-pd: Remove unused pse_ethtool_get_pw_limit function declaration Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 02/18] net: pse-pd: tps23881: Simplify function returns by removing redundant checks Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 03/18] net: pse-pd: tps23881: Use helpers to calculate bit offset for a channel Kory Maincent
2024-10-31  6:18   ` Oleksij Rempel
2024-10-31 21:11   ` Andrew Lunn
2024-11-07 10:47     ` Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 04/18] net: pse-pd: tps23881: Add support for power limit and measurement features Kory Maincent
2024-10-31  6:20   ` Oleksij Rempel
2024-10-30 16:53 ` [PATCH RFC net-next v2 05/18] net: pse-pd: Add support for PSE device index Kory Maincent
2024-10-31  6:27   ` Oleksij Rempel
2024-10-31 21:28     ` Andrew Lunn
2024-11-05  9:33       ` Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 06/18] net: ethtool: Add support for new PSE device index description Kory Maincent
2024-10-31  6:28   ` Oleksij Rempel
2024-10-31 21:29   ` Andrew Lunn
2024-10-31 21:39   ` Andrew Lunn
2024-10-30 16:53 ` [PATCH RFC net-next v2 07/18] net: ethtool: Add support for ethnl_info_init_ntf helper function Kory Maincent
2024-10-31 21:44   ` Andrew Lunn
2024-11-05  9:37     ` Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 08/18] net: pse-pd: Add support for reporting events Kory Maincent
2024-10-31  6:34   ` Oleksij Rempel
2024-10-31 21:54   ` Andrew Lunn
2024-11-05  9:48     ` Kory Maincent [this message]
2024-10-31 22:00   ` Andrew Lunn
2024-11-05  9:41     ` Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 09/18] netlink: specs: Add support for PSE netlink notifications Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 10/18] net: pse-pd: tps23881: Add support for PSE events and interrupts Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 11/18] regulator: Add support for power budget description Kory Maincent
2024-10-30 17:03   ` Mark Brown
2024-10-30 17:22     ` Kory Maincent
2024-10-30 17:31       ` Mark Brown
2024-10-30 16:53 ` [PATCH RFC net-next v2 12/18] regulator: dt-bindings: Add regulator-power-budget property Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 13/18] net: pse-pd: Add support for PSE power domains Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 14/18] net: ethtool: Add support for new power domains index description Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 15/18] net: pse-pd: Add support for getting and setting port priority Kory Maincent
2024-10-31  6:54   ` Oleksij Rempel
2024-10-31 11:11     ` Kory Maincent
2024-10-31 17:32       ` Oleksij Rempel
2024-11-05 13:49         ` Kory Maincent
2024-11-05 14:36           ` Oleksij Rempel
2024-11-01  8:31       ` Oleksij Rempel
2024-11-01 10:23         ` Oleksij Rempel
2024-11-05 10:20           ` Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 16/18] net: ethtool: Add PSE new port priority support feature Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 17/18] netlink: specs: Expand the PSE netlink command with newly supported features Kory Maincent
2024-10-30 16:53 ` [PATCH RFC net-next v2 18/18] net: pse-pd: pd692x0: Add support for PSE PI priority feature Kory Maincent

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