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Tue, 29 May 2018 16:36:23 +0000 From: Honnappa Nagarahalli To: "Burakov, Anatoly" , "olivier.matz@6wind.com" CC: "dev@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH v2] rte_ring: clarify preemptible nature of ring algorithm Thread-Index: AQHT9yzHJRA5kq/a8kCZTl9/ZfwdVKRG564w Date: Tue, 29 May 2018 16:36:23 +0000 Message-ID: References: <1527571694-121047-1-git-send-email-honnappa.nagarahalli@arm.com> <3b43c395-2ebd-228a-23be-cbe149e4c812@intel.com> In-Reply-To: <3b43c395-2ebd-228a-23be-cbe149e4c812@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Honnappa.Nagarahalli@arm.com; x-originating-ip: [217.140.111.135] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; HE1PR0801MB1690; 7:/IoCnT2dE9b8EKD71mMCozkg2sOywWqqzkADMFjpHG8Qwl2InztOgO+fYPLb+jbF7yFO2C4qiyKW9N2yytcCP0IRg00IKfM5hQZuiJrN0fndB6iiAKCW4bx8730QptvoYqdDy1TggTOofCj0bLEXLbSkfT5HnbEqDVYChsknDnmyhQWTT9cHrq+4ce8cAb5/fCiUcRuPzG5FNWVPq7WGIX2PHZhuDUJLL/Oi+bHdc9upszEuX2XK24p8AeavCnxL x-ms-exchange-antispam-srfa-diagnostics: SOS; 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DIR:OUT; SFP:1101; SCL:1; SRVR:HE1PR0801MB1690; H:HE1PR0801MB1930.eurprd08.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: arm.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: BccPgftS/Eo+om0Fqaj5WWfW/RbFfizak8Tf52zScyIj/DBPcC8Su77ics+bMd0jAz6m8Ml0Z+Lq3p2DfhyMW4skDFWRa1/MS4pwCOeHGd9sETSEdMP3Dx+cKUVy1ERSn/uUhGHSpuIcmZY54WV6mYhLlqRqZ4ZNC40VX+B4NsG2JnIobIuNgZxdHRT7rwen spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: dd306f80-88c5-4509-40f5-08d5c58250ff X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: dd306f80-88c5-4509-40f5-08d5c58250ff X-MS-Exchange-CrossTenant-originalarrivaltime: 29 May 2018 16:36:23.6713 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0801MB1690 Subject: Re: [dpdk-dev] [PATCH v2] rte_ring: clarify preemptible nature of ring algorithm 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: , X-List-Received-Date: Tue, 29 May 2018 16:36:25 -0000 SSBkbyBub3Qgc2VlIHRoZSBkb2N1bWVudGF0aW9uIHJlZ2FyZGluZyB0aGlzIGluIHByb2dyYW1t ZXIncyBndWlkZS4NCg0KLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCkZyb206IEJ1cmFrb3Ys IEFuYXRvbHkgPGFuYXRvbHkuYnVyYWtvdkBpbnRlbC5jb20+DQpTZW50OiBUdWVzZGF5LCBNYXkg MjksIDIwMTggNDoxMCBBTQ0KVG86IEhvbm5hcHBhIE5hZ2FyYWhhbGxpIDxIb25uYXBwYS5OYWdh cmFoYWxsaUBhcm0uY29tPjsgb2xpdmllci5tYXR6QDZ3aW5kLmNvbQ0KQ2M6IGRldkBkcGRrLm9y Zw0KU3ViamVjdDogUmU6IFtkcGRrLWRldl0gW1BBVENIIHYyXSBydGVfcmluZzogY2xhcmlmeSBw cmVlbXB0aWJsZSBuYXR1cmUgb2YgcmluZyBhbGdvcml0aG0NCg0KT24gMjktTWF5LTE4IDY6Mjgg QU0sIEhvbm5hcHBhIE5hZ2FyYWhhbGxpIHdyb3RlOg0KPiBydGVfcmluZyBpbXBsZW1lbnRhdGlv biBpcyBub3QgcHJlZW1wdGlibGUgb25seSB1bmRlciBjZXJ0YWluDQo+IGNpcmN1bXN0YW5jZXMu IFRoaXMgY2xhcmlmaWNhdGlvbiBpcyBoZWxwZnVsIGZvciBkYXRhIHBsYW5lIGFuZA0KPiBjb250 cm9sIHBsYW5lIGNvbW11bmljYXRpb24gdXNpbmcgcnRlX3JpbmcuDQo+DQo+IFNpZ25lZC1vZmYt Ynk6IEhvbm5hcHBhIE5hZ2FyYWhhbGxpIDxob25uYXBwYS5uYWdhcmFoYWxsaUBhcm0uY29tPg0K PiBSZXZpZXdlZC1ieTogR2F2aW4gSHUgPGdhdmluLmh1QGFybS5jb20+DQo+IFJldmlld2VkLWJ5 OiBPbGEgTGlsamVkYWhsIDxvbGEubGlsamVkYWhsQGFybS5jb20+DQo+IC0tLQ0KPiB2MjoNCj4g KiBGaXhlZCBjaGVja3BhdGNoIHdhcm5pbmdzDQo+DQo+ICAgbGliL2xpYnJ0ZV9yaW5nL3J0ZV9y aW5nLmggfCA5ICsrKysrKystLQ0KPiAgIDEgZmlsZSBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKyks IDIgZGVsZXRpb25zKC0pDQo+DQo+IGRpZmYgLS1naXQgYS9saWIvbGlicnRlX3JpbmcvcnRlX3Jp bmcuaCBiL2xpYi9saWJydGVfcmluZy9ydGVfcmluZy5oDQo+IGluZGV4IGQzZDNmN2YuLjJmOWM5 NDUgMTAwNjQ0DQo+IC0tLSBhL2xpYi9saWJydGVfcmluZy9ydGVfcmluZy5oDQo+ICsrKyBiL2xp Yi9saWJydGVfcmluZy9ydGVfcmluZy5oDQo+IEBAIC0yNiw4ICsyNiwxMyBAQA0KPiAgICAqIC0g QnVsayBkZXF1ZXVlLg0KPiAgICAqIC0gQnVsayBlbnF1ZXVlLg0KPiAgICAqDQo+IC0gKiBOb3Rl OiB0aGUgcmluZyBpbXBsZW1lbnRhdGlvbiBpcyBub3QgcHJlZW1wdGFibGUuIEEgbGNvcmUgbXVz dCBub3QNCj4gLSAqIGJlIGludGVycnVwdGVkIGJ5IGFub3RoZXIgdGFzayB0aGF0IHVzZXMgdGhl IHNhbWUgcmluZy4NCj4gKyAqIE5vdGU6IHRoZSByaW5nIGltcGxlbWVudGF0aW9uIGNhbiBibG9j ayB0aHJlYWRzIGZyb20gY29tcGxldGluZw0KPiArIHRoZWlyDQo+ICsgKiBvcGVyYXRpb24gdW5k ZXIgdGhlIGZvbGxvd2luZyBjaXJjdW1zdGFuY2VzLg0KPiArICogQSBwcmVlbXB0ZWQgdGhyZWFk IGNhbiBibG9jayBvdGhlciB0aHJlYWRzIChvcGVyYXRpbmcgb24gdGhlIHNhbWUNCj4gKyByaW5n KQ0KPiArICogZnJvbSBjb21wbGV0aW5nIHRoZWlyIG9wZXJhdGlvbnMsIG9ubHkgaWYgdGhvc2Ug dGhyZWFkcyBhcmUNCj4gKyBwZXJmb3JtaW5nDQo+ICsgKiB0aGUgc2FtZSByaW5nIG9wZXJhdGlv biAoZW5xdWV1ZS9kZXF1ZXVlKSBhcyB0aGUgcHJlZW1wdGVkIHRocmVhZC4NCj4gKyAqIEluIG90 aGVyIHdvcmRzLCBhIHByZWVtcHRlZCBjb25zdW1lciB0aHJlYWQgd2lsbCBub3QgYmxvY2sgYW55 DQo+ICsgcHJvZHVjZXINCj4gKyAqIHRocmVhZHMgYW5kIHZpY2UgdmVyc2EuDQo+ICAgICoNCj4g ICAgKi8NCj4NCj4NCg0KU2ltaWxhciBjbGFyaWZpY2F0aW9uIGlzIGFscmVhZHkgcHJlc2VudCBp biBQcm9ncmFtbWVyJ3MgR3VpZGUgZm9yIHJ0ZV9yaW5nIHNlY3Rpb24uIFBlcmhhcHMgaXQgd291 bGQgYmUgZ29vZCB0byByZWZlcmVuY2UgaXQgaGVyZT8NCg0KLS0NClRoYW5rcywNCkFuYXRvbHkN CklNUE9SVEFOVCBOT1RJQ0U6IFRoZSBjb250ZW50cyBvZiB0aGlzIGVtYWlsIGFuZCBhbnkgYXR0 YWNobWVudHMgYXJlIGNvbmZpZGVudGlhbCBhbmQgbWF5IGFsc28gYmUgcHJpdmlsZWdlZC4gSWYg eW91IGFyZSBub3QgdGhlIGludGVuZGVkIHJlY2lwaWVudCwgcGxlYXNlIG5vdGlmeSB0aGUgc2Vu ZGVyIGltbWVkaWF0ZWx5IGFuZCBkbyBub3QgZGlzY2xvc2UgdGhlIGNvbnRlbnRzIHRvIGFueSBv dGhlciBwZXJzb24sIHVzZSBpdCBmb3IgYW55IHB1cnBvc2UsIG9yIHN0b3JlIG9yIGNvcHkgdGhl IGluZm9ybWF0aW9uIGluIGFueSBtZWRpdW0uIFRoYW5rIHlvdS4NCg==