netdev - Re: [PATCH net] net: ipa: disable ipa interrupt during suspend

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

Date:   Wed, 18 Jan 2023 03:10:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Caleb Connolly <caleb.connolly@...aro.org>
Cc:     elder@...nel.org, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, elder@...aro.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH net] net: ipa: disable ipa interrupt during suspend

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Sun, 15 Jan 2023 17:59:24 +0000 you wrote:
> The IPA interrupt can fire when pm_runtime is disabled due to it racing
> with the PM suspend/resume code. This causes a splat in the interrupt
> handler when it tries to call pm_runtime_get().
> 
> Explicitly disable the interrupt in our ->suspend callback, and
> re-enable it in ->resume to avoid this. If there is an interrupt pending
> it will be handled after resuming. The interrupt is a wake_irq, as a
> result even when disabled if it fires it will cause the system to wake
> from suspend as well as cancel any suspend transition that may be in
> progress. If there is an interrupt pending, the ipa_isr_thread handler
> will be called after resuming.
> 
> [...]

Here is the summary with links:
  - [net] net: ipa: disable ipa interrupt during suspend
    https://git.kernel.org/netdev/net/c/9ec9b2a30853

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