DPDK patches and discussions
 help / color / mirror / Atom feed
From: Jianbo Liu <jianbo.liu@linaro.org>
To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Cc: dev@dpdk.org, Thomas Monjalon <thomas.monjalon@6wind.com>,
	 Bruce Richardson <bruce.richardson@intel.com>,
	"Zhang, Helin" <helin.zhang@intel.com>,
	 "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
Subject: Re: [dpdk-dev] [PATCH] ixgbe: use rte_mbuf_prefetch_part2 for cacheline1 access
Date: Mon, 20 Jun 2016 11:19:19 +0800	[thread overview]
Message-ID: <CAP4Qi393Xw3YzS9ikXL0zd7+SHrHVmeWs6JZH8KEYZKGEmt2gQ@mail.gmail.com> (raw)
In-Reply-To: <1466172404-14120-1-git-send-email-jerin.jacob@caviumnetworks.com>

On 17 June 2016 at 22:06, Jerin Jacob <jerin.jacob@caviumnetworks.com> wrote:
> made second cache line access behavior same as IA
>
> Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> ---
>  drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c
> index 9c1d124..64a329e 100644
> --- a/drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c
> +++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c
> @@ -280,10 +280,10 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts,
>                 vst1q_u64((uint64_t *)&rx_pkts[pos + 2], mbp2);
>
>                 if (split_packet) {
> -                       rte_prefetch_non_temporal(&rx_pkts[pos]->cacheline1);
> -                       rte_prefetch_non_temporal(&rx_pkts[pos + 1]->cacheline1);
> -                       rte_prefetch_non_temporal(&rx_pkts[pos + 2]->cacheline1);
> -                       rte_prefetch_non_temporal(&rx_pkts[pos + 3]->cacheline1);
> +                       rte_mbuf_prefetch_part2(rx_pkts[pos]);
> +                       rte_mbuf_prefetch_part2(rx_pkts[pos + 1]);
> +                       rte_mbuf_prefetch_part2(rx_pkts[pos + 2]);
> +                       rte_mbuf_prefetch_part2(rx_pkts[pos + 3]);
>                 }
>
>                 /* D.1 pkt 3,4 convert format from desc to pktmbuf */
> --
> 2.5.5
>

Reviewed-by: Jianbo Liu <jianbo.liu@linaro.org>

  reply	other threads:[~2016-06-20  3:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-17 14:06 Jerin Jacob
2016-06-20  3:19 ` Jianbo Liu [this message]
2016-06-24 11:04   ` Bruce Richardson

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=CAP4Qi393Xw3YzS9ikXL0zd7+SHrHVmeWs6JZH8KEYZKGEmt2gQ@mail.gmail.com \
    --to=jianbo.liu@linaro.org \
    --cc=bruce.richardson@intel.com \
    --cc=dev@dpdk.org \
    --cc=helin.zhang@intel.com \
    --cc=jerin.jacob@caviumnetworks.com \
    --cc=konstantin.ananyev@intel.com \
    --cc=thomas.monjalon@6wind.com \
    /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).