netdev - Re: [PATCH net 0/2] tcp_cubic: fix spurious HYSTART

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Message-Id: <20200625.160933.1407534932291249716.davem@davemloft.net>
Date:   Thu, 25 Jun 2020 16:09:33 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     ncardwell@...gle.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net 0/2] tcp_cubic: fix spurious HYSTART_DELAY on RTT
 decrease

From: Neal Cardwell <ncardwell@...gle.com>
Date: Wed, 24 Jun 2020 12:42:01 -0400

> This series fixes a long-standing bug in the TCP CUBIC
> HYSTART_DELAY mechanim recently reported by Mirja Kuehlewind. The
> code can cause a spurious exit of slow start in some particular
> cases: upon an RTT decrease that happens on the 9th or later ACK
> in a round trip. This series fixes the original Hystart code and
> also the recent BPF implementation.

Series applied and queued up for -stable, thank you.