netdev - Re: something is wrong in commit 971f10eca1 - tcp: better TCP_SKB

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Date:	Wed, 15 Oct 2014 14:39:28 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Cong Wang <cwang@...pensource.com>
Cc:	Krzysztof Kolasa <kkolasa@...soft.pl>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <edumazet@...il.com>,
	netdev <netdev@...r.kernel.org>
Subject: Re: something is wrong in commit 971f10eca1 - tcp: better
 TCP_SKB_CB layout to reduce cache line misses

On Wed, 2014-10-15 at 13:36 -0700, Cong Wang wrote:
> On Wed, Oct 15, 2014 at 3:35 AM, Krzysztof Kolasa <kkolasa@...soft.pl> wrote:
> >
> > one-line patch not resolve problem, fix created by Cong Wang resolves
> > problem !!!
> >
> > tested on 64bit system and working OK
> >
> 
> So my patch fixes your problem on 64bit but not on 32bit,
> is this correct?
> 
> I will send out the patch. And as Eric said, the problem on 32bit
> might be a different issue, we can definitely fix it separately.
> 
> Thanks for testing!

I think more fixes are needed.

This is most probably an IPv6 issue.


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