netdev - Re: [PATCH net] tcp: refresh tp timestamp before tcp_mtu

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Date:   Sat, 28 Oct 2017 19:17:58 +0900 (KST)
From:   David Miller <davem@...hat.com>
To:     eric.dumazet@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net] tcp: refresh tp timestamp before tcp_mtu_probe()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 26 Oct 2017 21:21:40 -0700

> From: Eric Dumazet <edumazet@...gle.com>
> 
> In the unlikely event tcp_mtu_probe() is sending a packet, we
> want tp->tcp_mstamp being as accurate as possible. 
> 
> This means we need to call tcp_mstamp_refresh() a bit earlier in
> tcp_write_xmit().
> 
> Fixes: 385e20706fac ("tcp: use tp->tcp_mstamp in output path")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied and queued up for -stable.