linux-kernel - Re: [PATCH net-next v3] vhost/net: Defer TX queue re-enable until after sendmsg

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Message-Id: 
 <174649563599.1007977.10317536057166889809.git-patchwork-notify@kernel.org>
Date: Tue, 06 May 2025 01:40:35 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jon Kohler <jon@...anix.com>
Cc: mst@...hat.com, jasowang@...hat.com, eperezma@...hat.com,
 kvm@...r.kernel.org, virtualization@...ts.linux.dev, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3] vhost/net: Defer TX queue re-enable until after
 sendmsg

Hello:

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

On Wed, 30 Apr 2025 19:04:28 -0700 you wrote:
> In handle_tx_copy, TX batching processes packets below ~PAGE_SIZE and
> batches up to 64 messages before calling sock->sendmsg.
> 
> Currently, when there are no more messages on the ring to dequeue,
> handle_tx_copy re-enables kicks on the ring *before* firing off the
> batch sendmsg. However, sock->sendmsg incurs a non-zero delay,
> especially if it needs to wake up a thread (e.g., another vhost worker).
> 
> [...]

Here is the summary with links:
  - [net-next,v3] vhost/net: Defer TX queue re-enable until after sendmsg
    https://git.kernel.org/netdev/net-next/c/8c2e6b26ffe2

You are awesome, thank you!
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