From: Krzysztof Kolasa <kkolasa@winsoft.pl>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Cong Wang <cwang@twopensource.com>,
David Miller <davem@davemloft.net>,
Eric Dumazet <edumazet@gmail.com>,
netdev <netdev@vger.kernel.org>
Subject: Re: something is wrong in commit 971f10eca1 - tcp: better TCP_SKB_CB layout to reduce cache line misses
Date: Wed, 15 Oct 2014 22:20:05 +0200 [thread overview]
Message-ID: <543ED6F5.4080901@winsoft.pl> (raw)
In-Reply-To: <1413387152.17365.26.camel@edumazet-glaptop2.roam.corp.google.com>
W dniu 15.10.2014 o 17:32, Eric Dumazet pisze:
> On Wed, 2014-10-15 at 13:40 +0200, Krzysztof Kolasa wrote:
>
>> on a 32bit system, the patch did not solve the problem :(
>> I have exactly the same problem as before the patch
>
> You mean Cong patch ?
Yes
>
>> I do not understand this, perhaps the problem is hidden somewhere else,
>> one thing is certain after revert commit 971f10eca1 everything works
>> correctly
>>
> Can you privately send me the vmlinux file ?
>
> It might be a compiler issue...
>
>
>
I sent the file
next prev parent reply other threads:[~2014-10-15 20:20 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-12 17:11 something is wrong in commit 971f10eca1 - tcp: better TCP_SKB_CB layout to reduce cache line misses Krzysztof Kolasa
2014-10-12 18:46 ` Eric Dumazet
2014-10-13 23:59 ` Cong Wang
2014-10-14 0:09 ` Cong Wang
2014-10-14 13:25 ` Krzysztof Kolasa
2014-10-14 18:59 ` Cong Wang
2014-10-14 19:03 ` David Miller
[not found] ` <CAFrEnehWNzmzZGV-ZGbZF=wJ1q0TjFtB1yG6Dp1yVrJmBj9B7Q@mail.gmail.com>
2014-10-14 20:47 ` David Miller
2014-10-14 21:03 ` Eric Dumazet
2014-10-14 21:15 ` David Miller
2014-10-14 21:24 ` Cong Wang
2014-10-14 21:43 ` Eric Dumazet
2014-10-15 10:35 ` Krzysztof Kolasa
2014-10-15 11:27 ` Eric Dumazet
2014-10-15 11:40 ` Krzysztof Kolasa
2014-10-15 15:32 ` Eric Dumazet
2014-10-15 20:20 ` Krzysztof Kolasa [this message]
2014-10-15 20:36 ` Cong Wang
2014-10-15 20:42 ` Krzysztof Kolasa
2014-10-15 21:22 ` Cong Wang
2014-10-15 21:25 ` Cong Wang
2014-10-15 21:39 ` Eric Dumazet
2014-10-15 21:42 ` Eric Dumazet
2014-10-17 19:29 ` David Miller
2014-10-17 19:48 ` Eric Dumazet
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