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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR11MB3498.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: e5785764-0ef4-4ade-2114-08d85f5ed3af X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Sep 2020 01:20:15.3381 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: PSZIwz0dqll+gFuSXrjpf+CGLkfNcYDeDKaU9wS1rkoFzYK/4JXNiEt6GivQnU2ihz5wvG3umHfbv30xGeRuUg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR11MB1851 X-OriginatorOrg: intel.com Subject: Re: [dpdk-dev] [PATCH v11 4/5] net/ixgbe: use WC store to update queue tail registers X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi, > -----Original Message----- > From: dev On Behalf Of Radu Nicolau > Sent: Wednesday, August 26, 2020 5:56 PM > To: dev@dpdk.org > Cc: Xing, Beilei ; Guo, Jia ; > Richardson, Bruce ; Ananyev, Konstantin > ; jerinjacobk@gmail.com; > david.marchand@redhat.com; Trahe, Fiona ; Zhao1, > Wei ; ruifeng.wang@arm.com; Yang, Qiming > ; Zhang, Qi Z ; Nicolau, Rad= u > > Subject: [dpdk-dev] [PATCH v11 4/5] net/ixgbe: use WC store to update que= ue > 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 > Acked-by: Konstantin Ananyev Reviewed-by: Wenzhuo Lu