netdev - Re: [PATCH net] tcp: refactor tcp_retransmit

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Message-Id: <20191203.115311.1412019727224973630.davem@davemloft.net>
Date:   Tue, 03 Dec 2019 11:53:11 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com, soheil@...gle.com,
        ncardwell@...gle.com, ycheng@...gle.com, willemb@...gle.com,
        gregkh@...uxfoundation.org
Subject: Re: [PATCH net] tcp: refactor tcp_retransmit_timer()

From: Eric Dumazet <edumazet@...gle.com>
Date: Tue,  3 Dec 2019 08:05:52 -0800

> It appears linux-4.14 stable needs a backport of commit
> 88f8598d0a30 ("tcp: exit if nothing to retransmit on RTO timeout")
> 
> Since tcp_rtx_queue_empty() is not in pre 4.15 kernels,
> let's refactor tcp_retransmit_timer() to only use tcp_rtx_queue_head()
> 
> I will provide to stable teams the squashed patches.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks Eric.