netdev - Re: [PATCH net] net: phy: fix IRQ-based wake-on-lan over hibernate / power off

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Sun, 13 Aug 2023 11:30:20 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
Cc: andrew@...n.ch, hkallweit1@...il.com, alexandru.ardelean@...log.com,
 andre.edich@...rochip.com, atenart@...nel.org, baruch@...s.co.il,
 christophe.leroy@....fr, davem@...emloft.net, Divya.Koppera@...rochip.com,
 edumazet@...gle.com, f.fainelli@...il.com, hauke@...ke-m.de,
 ioana.ciornei@....com, kuba@...nel.org, jbrunet@...libre.com,
 kavyasree.kotagiri@...rochip.com, linus.walleij@...aro.org,
 m.felsch@...gutronix.de, marex@...x.de, martin.blumenstingl@...glemail.com,
 dev@...sin.me, fido_max@...ox.ru, michael@...le.cc, narmstrong@...libre.com,
 Nisar.Sayed@...rochip.com, o.rempel@...gutronix.de, pabeni@...hat.com,
 philippe.schenker@...adex.com, willy.liu@...ltek.com,
 yuiko.oshino@...rochip.com, u.kleine-koenig@...gutronix.de,
 netdev@...r.kernel.org
Subject: Re: [PATCH net] net: phy: fix IRQ-based wake-on-lan over hibernate /
 power off

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Fri, 11 Aug 2023 11:26:30 +0100 you wrote:
> Uwe reports:
> "Most PHYs signal WoL using an interrupt. So disabling interrupts [at
> shutdown] breaks WoL at least on PHYs covered by the marvell driver."
> 
> Discussing with Ioana, the problem which was trying to be solved was:
> "The board in question is a LS1021ATSN which has two AR8031 PHYs that
> share an interrupt line. In case only one of the PHYs is probed and
> there are pending interrupts on the PHY#2 an IRQ storm will happen
> since there is no entity to clear the interrupt from PHY#2's registers.
> PHY#1's driver will get stuck in .handle_interrupt() indefinitely."
> 
> [...]

Here is the summary with links:
  - [net] net: phy: fix IRQ-based wake-on-lan over hibernate / power off
    https://git.kernel.org/netdev/net/c/cc941e548bff

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html