DPDK patches and discussions
 help / color / mirror / Atom feed
From: Olivier Matz <olivier.matz@6wind.com>
To: Jerin Jacob <jerin.jacob@caviumnetworks.com>,
	Jianbo Liu <jianbo.liu@linaro.org>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] mbuf: extend rte_mbuf_prefetch_part* to support more prefetching methods
Date: Tue, 21 Jun 2016 16:56:27 +0200	[thread overview]
Message-ID: <5769559B.4010707@6wind.com> (raw)
In-Reply-To: <20160602093006.GA6794@localhost.localdomain>

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.

  reply	other threads:[~2016-06-21 14:56 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-31  3:06 Jianbo Liu
2016-05-31 19:28 ` Olivier MATZ
2016-06-01  3:29   ` Jianbo Liu
2016-06-01  6:00     ` Jerin Jacob
2016-06-02  9:04       ` Jianbo Liu
2016-06-02  9:30         ` Jerin Jacob
2016-06-21 14:56           ` Olivier Matz [this message]
2016-06-02  7:10     ` Olivier MATZ
2016-06-02  9:12       ` Jianbo Liu
2016-05-31 20:00 ` Stephen Hemminger

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5769559B.4010707@6wind.com \
    --to=olivier.matz@6wind.com \
    --cc=dev@dpdk.org \
    --cc=jerin.jacob@caviumnetworks.com \
    --cc=jianbo.liu@linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).