netdev - Re: [PATCH net] net: don't let netpoll invoke NAPI if in xmit context

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <168043861712.6785.3457308303039271721.git-patchwork-notify@kernel.org>
Date:   Sun, 02 Apr 2023 12:30:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
        pabeni@...hat.com, roman.gushchin@...ux.dev, leitao@...ian.org,
        shemminger@...ux.foundation.org
Subject: Re: [PATCH net] net: don't let netpoll invoke NAPI if in xmit context

Hello:

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

On Thu, 30 Mar 2023 19:21:44 -0700 you wrote:
> Commit 0db3dc73f7a3 ("[NETPOLL]: tx lock deadlock fix") narrowed
> down the region under netif_tx_trylock() inside netpoll_send_skb().
> (At that point in time netif_tx_trylock() would lock all queues of
> the device.) Taking the tx lock was problematic because driver's
> cleanup method may take the same lock. So the change made us hold
> the xmit lock only around xmit, and expected the driver to take
> care of locking within ->ndo_poll_controller().
> 
> [...]

Here is the summary with links:
  - [net] net: don't let netpoll invoke NAPI if in xmit context
    https://git.kernel.org/netdev/net/c/275b471e3d2d

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