netdev - Re: performance regression on HiperSockets depending on MTU size

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Message-ID: <1353998800.7553.873.camel@edumazet-glaptop>
Date:	Mon, 26 Nov 2012 22:46:40 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Cong Wang <xiyou.wangcong@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: performance regression on HiperSockets depending on MTU size

On Tue, 2012-11-27 at 06:21 +0000, Cong Wang wrote:

> Eric,
> 
> Do you have a full list of such commits? I am trying to backport TSQ
> to 2.6.32, and of course I don't want to miss these commits either.

I dont think there are other known issues.

mlx4 had a 'problem' because only recently we removed the skb_orphan()
call it used to do in its start_xmit() function.

I remember David had to revert BQL on NIU driver, but NIU does the
skb_orphan() call as well so TSQ is basically disabled.



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