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Date:   Tue, 30 Jun 2020 09:26:44 -0700
From:   Jakub Kicinski <>
To:     Yousuk Seung <>
Cc:     David Miller <>,,
        Willem de Bruijn <>,
        Eric Dumazet <>,
        Soheil Hassas Yeganeh <>
Subject: Re: [PATCH net-next] tcp: call tcp_ack_tstamp() when not fully

On Mon, 29 Jun 2020 19:01:32 -0700 Yousuk Seung wrote:
> When skb is coalesced tcp_ack_tstamp() still needs to be called when not
> fully acked in tcp_clean_rtx_queue(), otherwise SCM_TSTAMP_ACK
> timestamps may never be fired. Since the original patch series had
> dependent commits, this patch fixes the issue instead of reverting by
> restoring calls to tcp_ack_tstamp() when skb is not fully acked.
> Fixes: fdb7eb21ddd3 ("tcp: stamp SCM_TSTAMP_ACK later in tcp_clean_rtx_queue())
> Signed-off-by: Yousuk Seung <>
> Signed-off-by: Willem de Bruijn <>
> Signed-off-by: Eric Dumazet <>
> Acked-by: Soheil Hassas Yeganeh <>

Fixes tag: Fixes: fdb7eb21ddd3 ("tcp: stamp SCM_TSTAMP_ACK later in tcp_clean_rtx_queue())
Has these problem(s):
	- Subject has leading but no trailing quotes

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