From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ola Liljedahl Subject: Re: [PATCH v3 0/5] Add non-blocking ring Date: Tue, 22 Jan 2019 10:15:04 +0000 Message-ID: <1548152109.5247.32.camel@arm.com> References: <20190115235227.14013-1-gage.eads@intel.com> <20190118152326.22686-1-gage.eads@intel.com> <1548149252.5247.8.camel@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "olivier.matz@6wind.com" , "stephen@networkplumber.org" , "bruce.richardson@intel.com" , "arybchenko@solarflare.com" , "konstantin.ananyev@intel.com" To: "gage.eads@intel.com" , "dev@dpdk.org" Return-path: Received: from EUR03-DB5-obe.outbound.protection.outlook.com (mail-eopbgr40049.outbound.protection.outlook.com [40.107.4.49]) by dpdk.org (Postfix) with ESMTP id 01AC425D9 for ; Tue, 22 Jan 2019 11:15:06 +0100 (CET) In-Reply-To: <1548149252.5247.8.camel@arm.com> Content-Language: en-US Content-ID: <836EE64DF177034CB9716B10B356AB2C@eurprd08.prod.outlook.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" U29ycnkgYWJvdXQgdGhlIGNvbmZpZGVudGFsIGZvb3Rlci4gSSB0cmllZCB0byByZW1vdmUgaXQg dXNpbmcgc29tZSBFeGhhbmdlDQptYWdpYyBidXQgaXQgc2VlbXMgbm90IHRvIHdvcmsgd2l0aCBF dm9sdXRpb24uIEknbGwgdHJ5IHNvbWUgb3RoZXIgd2F5Lg0KDQotLSBPbGENCg0KT24gVHVlLCAy MDE5LTAxLTIyIGF0IDA5OjI3ICswMDAwLCBPbGEgTGlsamVkYWhsIHdyb3RlOg0KPiBPbiBGcmks IDIwMTktMDEtMTggYXQgMDk6MjMgLTA2MDAsIEdhZ2UgRWFkcyB3cm90ZToNCj4gPg0KPiA+IEZv ciBzb21lIHVzZXJzLCB0aGUgcnRlIHJpbmcncyAibm9uLXByZWVtcHRpdmUiIGNvbnN0cmFpbnQg aXMgbm90DQo+ID4gYWNjZXB0YWJsZTsNCj4gPiBmb3IgZXhhbXBsZSwgaWYgdGhlIGFwcGxpY2F0 aW9uIHVzZXMgYSBtaXh0dXJlIG9mIHBpbm5lZCBoaWdoLQ0KPiA+IHByaW9yaXR5IHRocmVhZHMN Cj4gPiBhbmQgbXVsdGlwbGV4ZWQgbG93LXByaW9yaXR5IHRocmVhZHMgdGhhdCBzaGFyZSBhIG1l bXBvb2wuDQo+ID4NCiAgIEkuIFRoaXMgcGF0Y2hzZXQgaW50cm9kdWNlcyBhIG5vbi1ibG9ja2lu ZyByaW5nLCBvbiB0b3Agb2Ygd2hpY2ggYQ0KPiA+IG1lbXBvb2wgY2FuIHJ1bi4NCj4gPiBDcnVj aWFsbHksIHRoZSBub24tYmxvY2tpbmcgYWxnb3JpdGhtIHJlbGllcyBvbiBhIDEyOC1iaXQgY29t cGFyZS0NCj4gPiBhbmQtc3dhcCwgc28NCj4gPiBpdCBpcyBjdXJyZW50bHkgbGltaXRlZCB0byB4 ODZfNjQgbWFjaGluZXMuIFRoaXMgaXMgYWxzbyBhbg0KPiA+IGV4cGVyaW1lbnRhbCBBUEksDQo+ ID4gc28gUklOR19GX05CIHVzZXJzIG11c3QgYnVpbGQgd2l0aCB0aGUgQUxMT1dfRVhQRVJJTUVO VEFMX0FQSSBmbGFnLg0KPiA+DQo+ID4gVGhlIHJpbmcgdXNlcyBtb3JlIGNvbXBhcmUtYW5kLXN3 YXAgYXRvbWljIG9wZXJhdGlvbnMgdGhhbiB0aGUNCj4gPiByZWd1bGFyIHJ0ZSByaW5nOg0KPiA+ IFdpdGggbm8gY29udGVudGlvbiwgYW4gZW5xdWV1ZSBvZiBuIHBvaW50ZXJzIHVzZXMgKDEgKyAy bikgQ0FTDQo+ID4gb3BlcmF0aW9ucyBhbmQgYQ0KPiA+IGRlcXVldWUgb2YgbiBwb2ludGVycyB1 c2VzIDIuIFRoaXMgYWxnb3JpdGhtIGhhcyB3b3JzZSBhdmVyYWdlLWNhc2UNCj4gPiBwZXJmb3Jt YW5jZQ0KPiA+IHRoYW4gdGhlIHJlZ3VsYXIgcnRlIHJpbmcgKHBhcnRpY3VsYXJseSBhIGhpZ2hs eS1jb250ZW5kZWQgcmluZyB3aXRoDQo+ID4gbGFyZ2UgYnVsaw0KPiA+IGFjY2Vzc2VzKSwgaG93 ZXZlcjoNCj4gPiAtIEZvciBhcHBsaWNhdGlvbnMgd2l0aCBwcmVlbXB0aWJsZSBwdGhyZWFkcywg dGhlIHJlZ3VsYXIgcnRlIHJpbmcncw0KPiA+IHdvcnN0LWNhc2UNCj4gPiAgIHBlcmZvcm1hbmNl IChpLmUuIG9uZSB0aHJlYWQgYmVpbmcgcHJlZW1wdGVkIGluIHRoZSB1cGRhdGVfdGFpbCgpDQo+ ID4gY3JpdGljYWwNCj4gPiAgIHNlY3Rpb24pIGlzIG11Y2ggd29yc2UgdGhhbiB0aGUgbm9uLWJs b2NraW5nIHJpbmcncy4NCj4gPiAtIFNvZnR3YXJlIGNhY2hpbmcgY2FuIG1pdGlnYXRlIHRoZSBh dmVyYWdlIGNhc2UgcGVyZm9ybWFuY2UgZm9yDQo+ID4gcmluZy1iYXNlZA0KPiA+ICAgYWxnb3Jp dGhtcy4gRm9yIGV4YW1wbGUsIGEgbm9uLWJsb2NraW5nIHJpbmcgYmFzZWQgbWVtcG9vbCAoYQ0K PiA+IGxpa2VseSB1c2UgY2FzZQ0KPiA+ICAgZm9yIHRoaXMgcmluZykgd2l0aCBwZXItdGhyZWFk IGNhY2hpbmcuDQo+ID4NCj4gPiBUaGUgbm9uLWJsb2NraW5nIHJpbmcgaXMgZW5hYmxlZCB2aWEg YSBuZXcgZmxhZywgUklOR19GX05CLiBGb3IgZWFzZS0NCj4gPiBvZi11c2UsDQo+ID4gZXhpc3Rp bmcgcmluZyBlbnF1ZXVlL2RlcXVldWUgZnVuY3Rpb25zIHdvcmsgd2l0aCBib3RoICJyZWd1bGFy IiBhbmQNCj4gPiBub24tYmxvY2tpbmcgcmluZ3MuDQo+ID4NCj4gPiBUaGlzIHBhdGNoc2V0IGFs c28gYWRkcyBub24tYmxvY2tpbmcgdmVyc2lvbnMgb2YgcmluZ19hdXRvdGVzdCBhbmQNCj4gPiBy aW5nX3BlcmZfYXV0b3Rlc3QsIGFuZCBhIG5vbi1ibG9ja2luZyByaW5nIGJhc2VkIG1lbXBvb2wu DQo+ID4NCj4gPiBUaGlzIHBhdGNoc2V0IG1ha2VzIG9uZSBBUEkgY2hhbmdlOyBhIGRlcHJlY2F0 aW9uIG5vdGljZSB3aWxsIGJlDQo+ID4gcG9zdGVkIGluIGENCj4gPiBzZXBhcmF0ZSBjb21taXQu DQo+ID4NCj4gPiBUaGlzIHBhdGNoc2V0IGRlcGVuZHMgb24gdGhlIG5vbi1ibG9ja2luZyBzdGFj ayBwYXRjaHNldFsxXS4NCj4gPg0KPiA+IFsxXSBodHRwOi8vbWFpbHMuZHBkay5vcmcvYXJjaGl2 ZXMvZGV2LzIwMTktSmFudWFyeS8xMjM2NTMuaHRtbA0KPiA+DQo+ID4gdjM6DQo+ID4gIC0gQXZv aWQgdGhlIEFCSSBicmVhayBieSBwdXR0aW5nIDY0LWJpdCBoZWFkIGFuZCB0YWlsIHZhbHVlcyBp biB0aGUNCj4gPiBzYW1lDQo+ID4gICAgY2FjaGVsaW5lIGFzIHN0cnVjdCBydGVfcmluZydzIHBy b2QgYW5kIGNvbnMgbWVtYmVycy4NCj4gPiAgLSBEb24ndCBhdHRlbXB0IHRvIGNvbXBpbGUgcnRl X2F0b21pYzEyOF9jbXBzZXQgd2l0aG91dA0KPiA+ICAgIEFMTE9XX0VYUEVSSU1FTlRBTF9BUEks IGFzIHRoaXMgd291bGQgYnJlYWsgYSBsYXJnZSBudW1iZXIgb2YNCj4gPiBsaWJyYXJpZXMuDQo+ ID4gIC0gQWRkIGEgaGVscGZ1bCB3YXJuaW5nIHRvIF9fcnRlX3JpbmdfZG9fbmJfZW5xdWV1ZV9t cCgpIGluIGNhc2UNCj4gPiBzb21lb25lIHRyaWVzDQo+ID4gICAgdG8gdXNlIFJJTkdfRl9OQiB3 aXRob3V0IHRoZSBBTExPV19FWFBFUklNRU5UQUxfQVBJIGZsYWcuDQo+ID4gIC0gVXBkYXRlIHRo ZSByaW5nIG1lbXBvb2wgdG8gdXNlIGV4cGVyaW1lbnRhbCBBUElzDQo+ID4gIC0gQ2xhcmlmeSB0 aGF0IFJJTkJfRl9OQiBpcyBvbmx5IGxpbWl0ZWQgdG8geDg2XzY0IGN1cnJlbnRseTsNCj4gPiBB Uk12OC4xLUEgYnVpbGRzDQo+ID4gICAgY2FuIGV2ZW50dWFsbHkgc3VwcG9ydCBpdCB3aXRoIHRo ZSBDQVNQIGluc3RydWN0aW9uLg0KPiBBUk12OC4wIHNob3VsZCBiZSBhYmxlIHRvIGltcGxlbWVu dCBhIDEyOC1iaXQgYXRvbWljIGNvbXBhcmUgZXhjaGFuZ2UNCj4gb3BlcmF0aW9uIHVzaW5nIExE WFAvU1RYUC4NCj4NCj4gRnJvbSBhbiBBUk0gcGVyc3BlY3RpdmUsIEkgd2FudCBhbGwgYXRvbWlj IG9wZXJhdGlvbnMgdG8gdGFrZSBtZW1vcnkNCj4gb3JkZXJpbmcgYXJndW1lbnRzIChlLmcuIGFj cXVpcmUsIHJlbGVhc2UpLiBOb3QgYWxsIHVzYWdlcyBvZiBlLmcuDQo+IGF0b21pYyBjb21wYXJl IGV4Y2hhbmdlIHJlcXVpcmUgc2VxdWVudGlhbCBjb25zaXN0ZW5jeSAod2hpY2ggSSB0aGluaw0K PiB3aGF0IHg4NiBjbXB4Y2hnIGluc3RydWN0aW9uIHByb3ZpZGVzKS4gRFBESyBmdW5jdGlvbnMg c2hvdWxkIG5vdCBiZQ0KPiBtb2RlbGxlZCBhZnRlciB4ODYgYmVoYXZpb3VyLg0KPg0KPiBMb2Nr LWZyZWUgMTI4LWJpdCBhdG9taWNzIGltcGxlbWVudGF0aW9ucyBmb3IgQVJNL0FBcmNoNjQgYW5k IHg4Ni02NA0KPiBhcmUgYXZhaWxhYmxlIGhlcmU6DQo+IGh0dHBzOi8vZ2l0aHViLmNvbS9BUk0t c29mdHdhcmUvcHJvZ3Jlc3M2NC9ibG9iL21hc3Rlci9zcmMvbG9ja2ZyZWUuaA0KPg0KPiA+DQo+ ID4NCj4gPiB2MjoNCj4gPiAgLSBNZXJnZSBzZXBhcmF0ZSBkb2NzIGNvbW1pdCBpbnRvIHBhdGNo ICM1DQo+ID4gIC0gQ29udmVydCB1aW50cHRyX3QgdG8gc2l6ZV90DQo+ID4gIC0gQWRkIGEgY29t cGlsZS10aW1lIGNoZWNrIGZvciB0aGUgc2l6ZSBvZiBzaXplX3QNCj4gPiAgLSBGaXggYSBzcGFj ZS1hZnRlci10eXBlY2FzdCBpc3N1ZQ0KPiA+ICAtIEZpeCBhbiB1bm5lY2Vzc2FyeS1wYXJlbnRo ZXNlcyBjaGVja3BhdGNoIHdhcm5pbmcNCj4gPiAgLSBCdW1wIGxpYnJ0ZV9yaW5nJ3MgbGlicmFy eSB2ZXJzaW9uDQo+ID4NCj4gPiBHYWdlIEVhZHMgKDUpOg0KPiA+ICAgcmluZzogYWRkIDY0LWJp dCBoZWFkdGFpbCBzdHJ1Y3R1cmUNCj4gPiAgIHJpbmc6IGFkZCBhIG5vbi1ibG9ja2luZyBpbXBs ZW1lbnRhdGlvbg0KPiA+ICAgdGVzdF9yaW5nOiBhZGQgbm9uLWJsb2NraW5nIHJpbmcgYXV0b3Rl c3QNCj4gPiAgIHRlc3RfcmluZ19wZXJmOiBhZGQgbm9uLWJsb2NraW5nIHJpbmcgcGVyZiB0ZXN0 DQo+ID4gICBtZW1wb29sL3Jpbmc6IGFkZCBub24tYmxvY2tpbmcgcmluZyBoYW5kbGVycw0KPiA+ DQo+ID4gIGRvYy9ndWlkZXMvcHJvZ19ndWlkZS9lbnZfYWJzdHJhY3Rpb25fbGF5ZXIucnN0IHwg ICAyICstDQo+ID4gIGRyaXZlcnMvbWVtcG9vbC9yaW5nL01ha2VmaWxlICAgICAgICAgICAgICAg ICAgIHwgICAxICsNCj4gPiAgZHJpdmVycy9tZW1wb29sL3JpbmcvbWVzb24uYnVpbGQgICAgICAg ICAgICAgICAgfCAgIDIgKw0KPiA+ICBkcml2ZXJzL21lbXBvb2wvcmluZy9ydGVfbWVtcG9vbF9y aW5nLmMgICAgICAgICB8ICA1OCArKy0NCj4gPiAgbGliL2xpYnJ0ZV9ldmVudGRldi9ydGVfZXZl bnRfcmluZy5oICAgICAgICAgICAgfCAgIDIgKy0NCj4gPiAgbGliL2xpYnJ0ZV9yaW5nL01ha2Vm aWxlICAgICAgICAgICAgICAgICAgICAgICAgfCAgIDMgKy0NCj4gPiAgbGliL2xpYnJ0ZV9yaW5n L3J0ZV9yaW5nLmMgICAgICAgICAgICAgICAgICAgICAgfCAgNzIgKystDQo+ID4gIGxpYi9saWJy dGVfcmluZy9ydGVfcmluZy5oICAgICAgICAgICAgICAgICAgICAgIHwgNTc0DQo+ID4gKysrKysr KysrKysrKysrKysrKysrKy0tDQo+ID4gIGxpYi9saWJydGVfcmluZy9ydGVfcmluZ19nZW5lcmlj XzY0LmggICAgICAgICAgIHwgMTUyICsrKysrKysNCj4gPiAgbGliL2xpYnJ0ZV9yaW5nL3J0ZV9y aW5nX3ZlcnNpb24ubWFwICAgICAgICAgICAgfCAgIDcgKw0KPiA+ICB0ZXN0L3Rlc3QvdGVzdF9y aW5nLmMgICAgICAgICAgICAgICAgICAgICAgICAgICB8ICA1NyArKy0NCj4gPiAgdGVzdC90ZXN0 L3Rlc3RfcmluZ19wZXJmLmMgICAgICAgICAgICAgICAgICAgICAgfCAgMTkgKy0NCj4gPiAgMTIg ZmlsZXMgY2hhbmdlZCwgODc0IGluc2VydGlvbnMoKyksIDc1IGRlbGV0aW9ucygtKQ0KPiA+ICBj cmVhdGUgbW9kZSAxMDA2NDQgbGliL2xpYnJ0ZV9yaW5nL3J0ZV9yaW5nX2dlbmVyaWNfNjQuaA0K PiA+DQo+IElNUE9SVEFOVCBOT1RJQ0U6IFRoZSBjb250ZW50cyBvZiB0aGlzIGVtYWlsIGFuZCBh bnkgYXR0YWNobWVudHMgYXJlDQo+IGNvbmZpZGVudGlhbCBhbmQgbWF5IGFsc28gYmUgcHJpdmls ZWdlZC4gSWYgeW91IGFyZSBub3QgdGhlIGludGVuZGVkDQo+IHJlY2lwaWVudCwgcGxlYXNlIG5v dGlmeSB0aGUgc2VuZGVyIGltbWVkaWF0ZWx5IGFuZCBkbyBub3QgZGlzY2xvc2UgdGhlDQo+IGNv bnRlbnRzIHRvIGFueSBvdGhlciBwZXJzb24sIHVzZSBpdCBmb3IgYW55IHB1cnBvc2UsIG9yIHN0 b3JlIG9yIGNvcHkgdGhlDQo+IGluZm9ybWF0aW9uIGluIGFueSBtZWRpdW0uIFRoYW5rIHlvdS4N CklNUE9SVEFOVCBOT1RJQ0U6IFRoZSBjb250ZW50cyBvZiB0aGlzIGVtYWlsIGFuZCBhbnkgYXR0 YWNobWVudHMgYXJlIGNvbmZpZGVudGlhbCBhbmQgbWF5IGFsc28gYmUgcHJpdmlsZWdlZC4gSWYg eW91IGFyZSBub3QgdGhlIGludGVuZGVkIHJlY2lwaWVudCwgcGxlYXNlIG5vdGlmeSB0aGUgc2Vu ZGVyIGltbWVkaWF0ZWx5IGFuZCBkbyBub3QgZGlzY2xvc2UgdGhlIGNvbnRlbnRzIHRvIGFueSBv dGhlciBwZXJzb24sIHVzZSBpdCBmb3IgYW55IHB1cnBvc2UsIG9yIHN0b3JlIG9yIGNvcHkgdGhl IGluZm9ybWF0aW9uIGluIGFueSBtZWRpdW0uIFRoYW5rIHlvdS4NCg==