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Date: Tue, 26 Mar 2024 16:26:02 +0100
From: Richard Gobert <richardbgobert@...il.com>
To: Willem de Bruijn <willemdebruijn.kernel@...il.com>,
 Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net-next v4 4/4] net: gro: move L3 flush checks to
 tcp_gro_receive

Willem de Bruijn wrote:> One issue: if the do this move in net/next, then a later fix that
> relies on it cannot be backporter to older stable kernels.
> 

I understand. I can either add a first commit to this series which fixes
the bug by checking ->flush and ->flush_id in udp_gro_receive_segment,
or directly fix the bug in the 4th commit of this series in addition to
the optimization - which can be backported as a whole.

What do you think?

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