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Mon, 8 Oct 2018 10:01:31 +0000 From: Ola Liljedahl To: Honnappa Nagarahalli , Jerin Jacob CC: "Ananyev, Konstantin" , "Gavin Hu (Arm Technology China)" , "dev@dpdk.org" , Steve Capper , nd , "stable@dpdk.org" Thread-Topic: [PATCH v3 1/3] ring: read tail using atomic load Thread-Index: AQHUTl7o9KT3/H6K10G5NrmKOHANTqUHJ0+AgAjF7gCAAH79gIAAUg2AgAAF3wCAAAI9gIAAGFMAgAAgVICAADHKgIAAAE+AgAAkl4D//+HIgIAAIteAgAOYBQCAAG4wAA== Date: Mon, 8 Oct 2018 10:01:30 +0000 Message-ID: <5450353D-4A3D-490E-8E93-EB006D57440F@arm.com> References: <20180807031943.5331-1-gavin.hu@arm.com> <1537172244-64874-1-git-send-email-gavin.hu@arm.com> <20180929104857.GA30457@jerin> <2601191342CEEE43887BDE71AB9772580102FE261A@IRSMSX106.ger.corp.intel.com> <621E373E-048D-4808-8CE8-84373EA98D2F@arm.com> <2601191342CEEE43887BDE71AB9772580102FE2951@IRSMSX106.ger.corp.intel.com> <20181005170725.GA18671@jerin> <1555626C-F2B8-44EB-98A3-79B1F7002587@arm.com> <60055965-A7C8-4E9F-8668-0AE1DCE57515@arm.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.11.0.180909 authentication-results: spf=none (sender IP is ) smtp.mailfrom=Ola.Liljedahl@arm.com; 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charset="utf-8" Content-ID: <1DA8E023BE636F47AD43231B10E810BA@eurprd08.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8f85f196-7778-40bf-61c4-08d62d05059d X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Oct 2018 10:01:31.0009 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0801MB2012 Subject: Re: [dpdk-stable] [PATCH v3 1/3] ring: read tail using atomic load X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Oct 2018 10:01:35 -0000 T3IgbWF5YmUgcGVyZm9ybWFuY2UgZ2V0cyB3b3JzZSBidXQgbm90IGJlY2F1c2Ugb2YgdGhhdCBv bmUgYWRkaXRpb25hbCBpbnN0cnVjdGlvbi9jeWNsZSBpbiByaW5nIGJ1ZmZlciBlbnF1ZXVlIGFu ZCBkZXF1ZXVlIGJ1dCBiZWNhdXNlIGZ1bmN0aW9uIG9yIGxvb3AgYWxpZ25tZW50IGNoYW5nZWQg Zm9yIG9uZSBvciBtb3JlIGZ1bmN0aW9ucy4NCg0KV2hlbiB0aGUgYmVuY2htYXJraW5nIG5vaXNl IChwb3NzaWJseSBzZXZlcmFsICUgZHVlIHRvIGNoYW5nZXMgaW4gY29kZSBhbGlnbm1lbnQpIGlz IGJpZ2dlciB0aGFuIHRoZSBlZmZlY3QgeW91IGFyZSB0cnlpbmcgdG8gbWVhc3VyZSAoMSBjeWNs ZSBwZXIgcmluZyBidWZmZXIgZW5xdWV1ZS9kZXF1ZXVlKSwgYmVuY2htYXJraW5nIGlzIG5vdCB0 aGUgcmlnaHQgYXBwcm9hY2guDQoNCi0tIE9sYQ0KDQrvu79PbiAwOC8xMC8yMDE4LCAwNzoyNywg Ikhvbm5hcHBhIE5hZ2FyYWhhbGxpIiA8SG9ubmFwcGEuTmFnYXJhaGFsbGlAYXJtLmNvbT4gd3Jv dGU6DQoNCiAgICA+ICAgICA+DQogICAgPiAgICAgPiBJIGRvdWJ0IGl0IGlzIHBvc3NpYmxlIHRv IGJlbmNobWFyayB3aXRoIHN1Y2ggYSBwcmVjaXNpb24gc28gdG8gc2VlIHRoZQ0KICAgID4gICAg ID4gcG90ZW50aWFsIGRpZmZlcmVuY2Ugb2Ygb25lIEFERCBpbnN0cnVjdGlvbi4NCiAgICA+ICAg ICA+IEp1c3QgY2hhbmdlcyBpbiBmdW5jdGlvbiBhbGlnbm1lbnQgY2FuIGFmZmVjdCBwZXJmb3Jt YW5jZSBieSBwZXJjZW50cy4NCiAgICA+IEFuZA0KICAgID4gICAgID4gdGhlIG5hdHVyYWwgdmFy aWF0aW9uIHdoZW4gbm90IHVzaW5nIGEgMTAwJSBkZXRlcm1pbmlzdGljIHN5c3RlbSBpcyBnb2lu Zw0KICAgID4gdG8NCiAgICA+ICAgICA+IGJlIGEgbG90IGxhcmdlciB0aGFuIG9uZSBjeWNsZSBw ZXIgcmluZyBidWZmZXIgb3BlcmF0aW9uLg0KICAgID4gICAgID4NCiAgICA+ICAgICA+IFNvbWUg b2YgdGhlIG90aGVyIHBhdGNoZXMgYXJlIGFsc28gZm9yIGNvcnJlY3RuZXNzIChlLmcuIGxvYWQt YWNxdWlyZSBvZg0KICAgID4gdGFpbCkNCiAgICA+ICAgICBUaGUgZGlzY3Vzc2lvbiBpcyBhYm91 dCB0aGlzIHBhdGNoIGFsb25lLiBPdGhlciBwYXRjaGVzIGFyZSBhbHJlYWR5IEFja2VkLg0KICAg ID4gU28gdGhlIGJlbmNobWFya2luZyB0aGVuIG1ha2VzIHplcm8gc2Vuc2UuDQogICAgVGhlIHdo b2xlIHBvaW50IGlzIHRvIHByb3ZlIHRoZSBlZmZlY3Qgb2YgMSBpbnN0cnVjdGlvbiBlaXRoZXIg d2F5LiBJTU8sIGl0IGlzIHNpbXBsZSBlbm91Z2gsIGZvbGxvdyB0aGUgbWVtb3J5IG1vZGVsIHRv IHRoZSBmdWxsIGV4dGVudC4gV2UgaGF2ZSB0byBrZWVwIGluIG1pbmQgYWJvdXQgb3RoZXIgYXJj aGl0ZWN0dXJlcyBhcyB3ZWxsLiBNYXkgYmUgdGhhdCBhZGRpdGlvbmFsIGluc3RydWN0aW9uIGlz IG5vdCByZXF1aXJlZCBvbiBvdGhlciBhcmNoaXRlY3R1cmVzLiANCiAgICANCiAgICA+IA0KICAg ID4gDQogICAgDQoNCg==