netdev - Re: [PATCH net-next] tcp: defer sacked assignment

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Message-Id: <20160818.232754.1763766189050385307.davem@davemloft.net>
Date:   Thu, 18 Aug 2016 23:27:54 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     eric.dumazet@...il.com
Cc:     netdev@...r.kernel.org, ncardwell@...gle.com, ycheng@...gle.com
Subject: Re: [PATCH net-next] tcp: defer sacked assignment

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 17 Aug 2016 07:48:36 -0700

> From: Eric Dumazet <edumazet@...gle.com>
> 
> While chasing tcp_xmit_retransmit_queue() kasan issue, I found
> that we could avoid reading sacked field of skb that we wont send,
> possibly removing one cache line miss.
> 
> Very minor change in slow path, but why not ? ;) 
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied.