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From: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>
To: "Nicolau, Radu" <radu.nicolau@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: "Xing, Beilei" <beilei.xing@intel.com>, "Guo, Jia" <jia.guo@intel.com>,
 "Richardson, Bruce" <bruce.richardson@intel.com>, "Ananyev, Konstantin"
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Thread-Topic: [dpdk-dev] [PATCH v11 2/5] net/i40e: use WC store to update
 queue	tail registers
Thread-Index: AQHWe48yCPsUPRrahkurYEvcbW4lt6l1mBgg
Date: Wed, 23 Sep 2020 01:19:54 +0000
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References: <1591870283-7776-1-git-send-email-radu.nicolau@intel.com>
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Subject: Re: [dpdk-dev] [PATCH v11 2/5] net/i40e: use WC store to update
	queue	tail registers
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Sender: "dev" <dev-bounces@dpdk.org>

Hi,

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Radu Nicolau
> Sent: Wednesday, August 26, 2020 5:56 PM
> To: dev@dpdk.org
> Cc: Xing, Beilei <beilei.xing@intel.com>; Guo, Jia <jia.guo@intel.com>;
> Richardson, Bruce <bruce.richardson@intel.com>; Ananyev, Konstantin
> <konstantin.ananyev@intel.com>; jerinjacobk@gmail.com;
> david.marchand@redhat.com; Trahe, Fiona <fiona.trahe@intel.com>; Zhao1,
> Wei <wei.zhao1@intel.com>; ruifeng.wang@arm.com; Yang, Qiming
> <qiming.yang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>; Nicolau, Rad=
u
> <radu.nicolau@intel.com>
> Subject: [dpdk-dev] [PATCH v11 2/5] net/i40e: use WC store to update queu=
e tail
> registers
>=20
> Performance improvement: use a write combining store instead of a regular
> mmio write to update queue tail registers.
>=20
> Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Wenzhuo Lu <wenzhuo.lu@intel.com>