From: David Miller <davem@davemloft.net>
To: marcelo.leitner@gmail.com
Cc: netdev@vger.kernel.org, linux-sctp@vger.kernel.org,
daniel@iogearbox.net, nhorman@tuxdriver.com, vyasevich@gmail.com
Subject: Re: [PATCH net v2] sctp: linearize early if it's not GSO
Date: Fri, 19 Aug 2016 17:10:16 -0700 (PDT) [thread overview]
Message-ID: <20160819.171016.2080741015571973906.davem@davemloft.net> (raw)
In-Reply-To: <c333cd2ab2c828577251c6f75a3cc5e5f3683eb8.1471542789.git.marcelo.leitner@gmail.com>
From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Date: Thu, 18 Aug 2016 14:58:35 -0300
> Because otherwise when crc computation is still needed it's way more
> expensive than on a linear buffer to the point that it affects
> performance.
>
> It's so expensive that netperf test gives a perf output as below:
...
> Fixes: 3acb50c18d8d ("sctp: delay as much as possible skb_linearize")
> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Applied and queued up for -stable.
prev parent reply other threads:[~2016-08-20 0:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-18 17:58 [PATCH net v2] sctp: linearize early if it's not GSO Marcelo Ricardo Leitner
2016-08-19 9:28 ` Marcelo Ricardo Leitner
2016-08-20 0:10 ` David Miller [this message]
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