linux-kernel - Re: [PATCH v2 2/2] x86: add prefetching to do

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Date:	Wed, 06 Nov 2013 10:23:10 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Neil Horman <nhorman@...driver.com>
Cc:	Dave Jones <davej@...hat.com>, linux-kernel@...r.kernel.org,
	sebastien.dugue@...l.net, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: Re: [PATCH v2 2/2] x86: add prefetching to do_csum

On Wed, 2013-11-06 at 10:54 -0500, Neil Horman wrote:

> My guess was that the whole comment was made in reference to the fact that
> checksum offload negated all these advantages.  Thats not so true anymore, since
> infiniband needs csum in software for ipoib.
> 
> I'll fix this up and send a v3, but I'll give it a day in case there are more
> comments first.

Also please include netdev, I think people there are interested.

I caught this message, but I usually cannot read lkml traffic.

I wonder why you do not use (and/or change/tune) prefetch_range()
instead of a local definition.



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