netdev - Re: [PATCH net] tcp_cubic: fix spurious Hystart ACK train detections for not-cwnd-limited flows

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Date:   Thu, 25 Nov 2021 01:30:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        edumazet@...gle.com, ncardwell@...gle.com,
        stephen@...workplumber.org, ycheng@...gle.com, soheil@...gle.com
Subject: Re: [PATCH net] tcp_cubic: fix spurious Hystart ACK train detections for
 not-cwnd-limited flows

Hello:

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

On Tue, 23 Nov 2021 12:25:35 -0800 you wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> While testing BIG TCP patch series, I was expecting that TCP_RR workloads
> with 80KB requests/answers would send one 80KB TSO packet,
> then being received as a single GRO packet.
> 
> It turns out this was not happening, and the root cause was that
> cubic Hystart ACK train was triggering after a few (2 or 3) rounds of RPC.
> 
> [...]

Here is the summary with links:
  - [net] tcp_cubic: fix spurious Hystart ACK train detections for not-cwnd-limited flows
    https://git.kernel.org/netdev/net/c/4e1fddc98d25

You are awesome, thank you!
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