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To: Jerin Jacob <jerin.jacob@caviumnetworks.com>,
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From: Olivier Matz <olivier.matz@6wind.com>
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Date: Tue, 21 Jun 2016 16:56:27 +0200
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Subject: Re: [dpdk-dev] [PATCH] mbuf: extend rte_mbuf_prefetch_part* to
 support more prefetching methods
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Hi,

On 06/02/2016 11:30 AM, Jerin Jacob wrote:
> On Thu, Jun 02, 2016 at 05:04:13PM +0800, Jianbo Liu wrote:
>> On 1 June 2016 at 14:00, Jerin Jacob <jerin.jacob@caviumnetworks.com> wrote:
>>> On Wed, Jun 01, 2016 at 11:29:47AM +0800, Jianbo Liu wrote:
>>>> On 1 June 2016 at 03:28, Olivier MATZ <olivier.matz@6wind.com> wrote:
>>>>> Hi Jianbo,
>>>>>
>>>>> On 05/31/2016 05:06 AM, Jianbo Liu wrote:
>>>>>> Change the inline function to macro with parameters
>>>>>>
>>>>>> Signed-off-by: Jianbo Liu <jianbo.liu@linaro.org>
>>>>>>
>>>>>> [...]
>> [...]
>>>> It's for performance consideration, and only on armv8a platform.
>>>
>>> Strictly it is not armv8 specific, IA also implemented this API with
>>> _MM_HINT_NTA hint.
>>
>> I mean this patch is only for ixgbe vector PMD on armv8 platform.
>>
>>>
>>> Do we really need non-temporal/transient version of prefetch for ixgbe?
>>
>> Strictly speaking, we don't have to since we don't know how APPs use
>> the mbuf header.
> 
> Then IMO it makes sense to keep the same behavior as x86 ixgbe driver.
> Then on the upside, We may not need the new macros for part prefetching
> 
> Jerin

Knowing that http://www.dpdk.org/dev/patchwork/patch/13992/ has been
submitted, I think this patch can be marked as closed in patchwork.