From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com,
m.szyprowski@samsung.com
Subject: Re: [PATCH net] net: do not acquire dev->tx_global_lock in netdev_watchdog_up()
Date: Tue, 23 Jun 2026 21:50:15 +0000 [thread overview]
Message-ID: <178225141531.2433118.17068127211611515028.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260622110108.69541-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Mon, 22 Jun 2026 11:01:08 +0000 you wrote:
> Marek Szyprowski reported a deadlock during system resume when virtio_net
> driver is used.
>
> The deadlock occurs because netif_device_attach() is called while holding
> dev->tx_global_lock (via netif_tx_lock_bh() in virtnet_restore_up()).
> netif_device_attach() calls __netdev_watchdog_up(), which now also tries
> to acquire dev->tx_global_lock to synchronize with dev_watchdog().
>
> [...]
Here is the summary with links:
- [net] net: do not acquire dev->tx_global_lock in netdev_watchdog_up()
https://git.kernel.org/netdev/net/c/d09a78a2a469
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2026-06-23 21:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-22 11:01 [PATCH net] net: do not acquire dev->tx_global_lock in netdev_watchdog_up() Eric Dumazet
2026-06-23 12:22 ` Simon Horman
2026-06-23 21:50 ` patchwork-bot+netdevbpf [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=178225141531.2433118.17068127211611515028.git-patchwork-notify@kernel.org \
--to=patchwork-bot+netdevbpf@kernel.org \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=eric.dumazet@gmail.com \
--cc=horms@kernel.org \
--cc=kuba@kernel.org \
--cc=m.szyprowski@samsung.com \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox