netdev - Re: tainted warnings with tcp splicing in 3.7.1

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Message-ID: <50EF0D2D.3040700@hp.com>
Date:	Thu, 10 Jan 2013 10:49:17 -0800
From:	Rick Jones <rick.jones2@...com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	Willy Tarreau <w@....eu>,
	Christian Becker <c.becker@...viangames.com>,
	David Miller <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: tainted warnings with tcp splicing in 3.7.1

On 01/10/2013 10:42 AM, Eric Dumazet wrote:
> Can we use zero copy for the sender as well (sendfile() or vmsplice()) ?

Not at present.  The TCP_SENDFILE test has not been "migrated" and there 
is no corresponding sendfile() test in the omni code, so the attempt to 
enable copy-avoidance won't "take."

I'll take that as a feature request for netperf.

rick

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