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From: Jianbo Liu <jianbo.liu@linaro.org>
Date: Thu, 22 Dec 2016 09:05:56 +0800
Message-ID: <CAP4Qi3-rxv2_4g+5gbrQyHGxwz8fyTGmS8kUstJi7VfopiGqnw@mail.gmail.com>
To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Cc: dev@dpdk.org, "Zhang, Helin" <helin.zhang@intel.com>, 
 "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
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Subject: Re: [dpdk-dev] [PATCH 2/2] net/ixgbe: calculate correct number of
 received packets for ARM NEON-version vPMD
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Hi Jerin,

On 21 December 2016 at 18:08, Jerin Jacob
<jerin.jacob@caviumnetworks.com> wrote:
> On Mon, Dec 19, 2016 at 11:39:18AM +0530, Jianbo Liu wrote:
>
> Hi Jianbo,
>
>> vPMD will check 4 descriptors in one time, but the statuses are not consistent
>> because the memory allocated for RX descriptors is cacheable huagepage.
> Is it different in X86 case ?i.e Is x86 creating non cacheable hugepages?
> I am just looking at what it takes to fix similar issues for all drivers wrt armv8.
>
> Are you able to reproduce this issue any armv8 platform. If so, could
> you please the platform detail and commands to reproduce this issue?
>

I have tested on Huawei D03 and Softiron with Intel X540, same issue
for both of them.
The setup is very simple: loopback 2 ports, then run testpmd.