netdev - Re: [PATCH net-next] mlx4: exploit skb->xmit_more to conditionally send doorbell

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Message-ID: <1411678694.3460.13.camel@joe-AO725>
Date:	Thu, 25 Sep 2014 13:58:14 -0700
From:	Joe Perches <joe@...ches.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Jesper Dangaard Brouer <brouer@...hat.com>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>, Amir Vadai <amirv@...lanox.com>,
	John Fastabend <john.r.fastabend@...el.com>
Subject: Re: [PATCH net-next] mlx4: exploit skb->xmit_more to conditionally
 send doorbell

On Thu, 2014-09-25 at 13:47 -0700, Eric Dumazet wrote:
> After patch :
>     32.78%  [kernel]  [k] __copy_skb_header             
> After __copy_skb_header() optimization I get something even nicer ;)
>     19.90%  [kernel]          [k] __copy_skb_header             
> I'll post this patch asap.

Eric, you are _killing_ it.  network ninja indeed...

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