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Date: Mon, 28 Mar 2005 23:09:29 -0800
From: Andrew Morton <akpm@osdl.org>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: linux-kernel@vger.kernel.org, schwidefsky@de.ibm.com, netdev@oss.sgi.com
Subject: Re: [PATCH] s390: qeth tcp segmentation offload
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Jeff Garzik <jgarzik@pobox.com> wrote:
>
> Please help me understand:  why add all this TSO code (zerocopy), if you 
>  are adding memcpy() under the hood?
> 
>  Was this reviewed on netdev?  or by any network developer?
> 
>  Overall this patch adds a whole lot of code that must be VERY intimate 
>  with the net stack, a huge maintenance burden that is likely to be rife 
>  with out-of-date code and bugs over time.
> 

There was some dicussion on linux-net last Thursday.