From: Bruce Richardson <bruce.richardson@intel.com>
To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Cc: Jianbo Liu <jianbo.liu@linaro.org>,
dev@dpdk.org, helin.zhang@intel.com,
konstantin.ananyev@intel.com
Subject: Re: [dpdk-dev] [PATCH 2/2] net/ixgbe: calculate correct number of received packets for ARM NEON-version vPMD
Date: Wed, 21 Dec 2016 11:03:32 +0000 [thread overview]
Message-ID: <20161221110331.GA9108@bricha3-MOBL3.ger.corp.intel.com> (raw)
In-Reply-To: <20161221100848.GA4506@localhost.localdomain>
On Wed, Dec 21, 2016 at 03:38:51PM +0530, Jerin Jacob 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?
This is not a problem on IA, because the instruction ordering rules on
IA guarantee that the reads will be done in the correct program order,
and we never get stale cache data.
/Bruce
next prev parent reply other threads:[~2016-12-21 11:03 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-19 6:09 [dpdk-dev] [PATCH 1/2] net/ixgbe: calculate the correct number of received packets in bulk alloc function Jianbo Liu
2016-12-19 6:09 ` [dpdk-dev] [PATCH 2/2] net/ixgbe: calculate correct number of received packets for ARM NEON-version vPMD Jianbo Liu
2016-12-21 10:08 ` Jerin Jacob
2016-12-21 11:03 ` Bruce Richardson [this message]
2016-12-22 1:18 ` Jianbo Liu
2016-12-22 1:05 ` Jianbo Liu
2017-02-01 16:19 ` [dpdk-dev] [PATCH 1/2] net/ixgbe: calculate the correct number of received packets in bulk alloc function Ananyev, Konstantin
2017-02-03 6:22 ` Jianbo Liu
2017-02-03 11:38 ` Ananyev, Konstantin
2017-02-04 3:37 ` Jianbo Liu
2017-02-04 9:37 ` [dpdk-dev] [PATCH v2 " Jianbo Liu
2017-02-04 9:37 ` [dpdk-dev] [PATCH v2 2/2] net/ixgbe: calculate correct number of received packets for ARM NEON-version vPMD Jianbo Liu
2017-02-04 13:26 ` [dpdk-dev] [PATCH v2 1/2] net/ixgbe: calculate the correct number of received packets in bulk alloc function Ananyev, Konstantin
2017-02-08 18:02 ` Ferruh Yigit
2017-02-08 18:53 ` Ananyev, Konstantin
2017-02-08 19:53 ` Ananyev, Konstantin
2017-02-09 3:49 ` Jianbo Liu
2017-02-04 16:37 ` [dpdk-dev] [PATCH v3 " Jianbo Liu
2017-02-04 16:37 ` [dpdk-dev] [PATCH v3 2/2] net/ixgbe: calculate correct number of received packets for ARM NEON-version vPMD Jianbo Liu
2017-02-04 16:39 ` [dpdk-dev] [PATCH v3 1/2] net/ixgbe: calculate the correct number of received packets in bulk alloc function Jianbo Liu
2017-02-09 4:05 ` [dpdk-dev] [PATCH v4 " Jianbo Liu
2017-02-09 4:05 ` [dpdk-dev] [PATCH v4 2/2] net/ixgbe: calculate correct number of received packets for ARM NEON-version vPMD Jianbo Liu
2017-02-09 12:43 ` Ferruh Yigit
2017-02-09 12:39 ` [dpdk-dev] [PATCH v4 1/2] net/ixgbe: calculate the correct number of received packets in bulk alloc function Ferruh Yigit
2017-02-09 12:42 ` Ferruh Yigit
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