netdev - Re: [PATCH v2 net 0/3] tcp: fix xmit timer rearming to avoid stalls

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Message-Id: <20170803.153906.734255383584818482.davem@davemloft.net>
Date:   Thu, 03 Aug 2017 15:39:06 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     ncardwell@...gle.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH v2 net 0/3] tcp: fix xmit timer rearming to avoid stalls

From: Neal Cardwell <ncardwell@...gle.com>
Date: Thu,  3 Aug 2017 09:19:51 -0400

> This patch series is a bug fix for a TCP loss recovery performance bug
> reported independently in recent netdev threads:
>     
>  (i)  July 26, 2017: netdev thread "TCP fast retransmit issues"
>  (ii) July 26, 2017: netdev thread:
>        "[PATCH V2 net-next] TLP: Don't reschedule PTO when there's one
>        outstanding TLP retransmission"
> 
> Many thanks to Klavs Klavsen and Mao Wenan for the detailed reports,
> traces, and packetdrill test cases, which enabled us to root-cause
> this issue and verify the fix.
> 
> - v1 -> v2:
>  - In patch 2/3, changed an unclear comment in the pre-existing code
>    in tcp_schedule_loss_probe() to be more clear (thanks to Eric Dumazet
>    for suggesting we improve this).

Series applied, thanks Neal.