From: Jakub Kicinski <kuba@kernel.org>
To: Aleksei Sviridkin <f@lex.la>
Cc: Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
linux-kernel@vger.kernel.org,
Florian Fainelli <f.fainelli@gmail.com>,
Mao Wenan <maowenan@huawei.com>,
Woojung Huh <woojung.huh@microchip.com>,
Vladimir Oltean <vladimir.oltean@nxp.com>,
Maxime Chevallier <maxime.chevallier@bootlin.com>
Subject: Re: [PATCH net v3 0/4] net: phy: make PHY driver unbind safe against attach and use
Date: Tue, 29 Sep 2026 17:44:22 -0700 [thread overview]
Message-ID: <20260929174422.59279fbd@kernel.org> (raw)
In-Reply-To: <20260924215951.2127682-1-f@lex.la>
On Fri, 25 Sep 2026 00:59:46 +0300 Aleksei Sviridkin wrote:
> v2: https://lore.kernel.org/netdev/20260919015340.499675-1-f@lex.la/
> - Retargeted to net, and the race closed with locking rather than a
> NULL test at attach entry, as asked in review.
AFAIU this is a long standing problem with PHYs, admin-only inflicted
self-harm. Let's switch to net-next until the merge window.
> - The module reference fix is its own patch.
> - New patch 1: a second attach no longer detaches the first consumer.
> - An unbind of an attached PHY now waits for the detach.
BTW what happened in v3? I only see a changelog for v2
prev parent reply other threads:[~2026-09-30 0:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 21:59 Aleksei Sviridkin
2026-09-24 21:59 ` [PATCH net v3 1/4] net: phy: refuse a second attach before touching the PHY Aleksei Sviridkin
2026-09-24 21:59 ` [PATCH net v3 2/4] net: phy: put the driver module the attach took Aleksei Sviridkin
2026-09-24 21:59 ` [PATCH net v3 3/4] net: phy: serialise attach and detach with PHY driver bind and unbind Aleksei Sviridkin
2026-09-30 0:46 ` Jakub Kicinski
2026-09-24 21:59 ` [PATCH net v3 4/4] net: phy: make an unbind wait for the attached consumer to detach Aleksei Sviridkin
2026-09-30 0:44 ` Jakub Kicinski [this message]
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