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From: patchwork-bot+netdevbpf@kernel.org
To: Brett Creeley <brett.creeley@amd.com>
Cc: mst@redhat.com, jasowang@redhat.com, andrew+netdev@lunn.ch,
	davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, netdev@vger.kernel.org
Subject: Re: [PATCH net] virtio_net: sync rss_trailer.max_tx_vq on queue_pairs change via VQ_PAIRS_SET
Date: Thu, 23 Apr 2026 18:10:14 +0000	[thread overview]
Message-ID: <177696781479.700507.13075492208354648659.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260416212121.29073-1-brett.creeley@amd.com>

Hello:

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

On Thu, 16 Apr 2026 14:21:21 -0700 you wrote:
> When netif_is_rxfh_configured() is true (i.e., the user has explicitly
> configured the RSS indirection table), virtnet_set_queues() skips the
> RSS update path and falls through to the VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET
> command to change the number of queue pairs. However, it does not update
> vi->rss_trailer.max_tx_vq to reflect the new queue_pairs value.
> 
> This causes a mismatch between vi->curr_queue_pairs and
> vi->rss_trailer.max_tx_vq. Any subsequent RSS reconfiguration (e.g.,
> via ethtool -X) calls virtnet_commit_rss_command(), which sends the
> stale max_tx_vq to the device, silently reverting the queue count.
> 
> [...]

Here is the summary with links:
  - [net] virtio_net: sync rss_trailer.max_tx_vq on queue_pairs change via VQ_PAIRS_SET
    https://git.kernel.org/netdev/net/c/3bc06da858ef

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



      parent reply	other threads:[~2026-04-23 18:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-16 21:21 [PATCH net] virtio_net: sync rss_trailer.max_tx_vq on queue_pairs change via VQ_PAIRS_SET Brett Creeley
2026-04-23  7:01 ` Paolo Abeni
2026-04-23  8:05   ` Michael S. Tsirkin
2026-04-23 18:10 ` patchwork-bot+netdevbpf [this message]

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