From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Eads, Gage" Subject: Re: [PATCH v3] eventdev: add errno-style return values Date: Fri, 17 Mar 2017 14:34:35 +0000 Message-ID: <9184057F7FC11744A2107296B6B8EB1E01E74A97@FMSMSX108.amr.corp.intel.com> References: <1487178594-12912-1-git-send-email-gage.eads@intel.com> <1489695139-13111-1-git-send-email-gage.eads@intel.com> <20170317031033.pr3vjqmvixqtss47@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "dev@dpdk.org" , "Richardson, Bruce" , "hemant.agrawal@nxp.com" , "Van Haaren, Harry" , "nipun.gupta@nxp.com" To: Jerin Jacob Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 5357C69D4 for ; Fri, 17 Mar 2017 15:34:38 +0100 (CET) In-Reply-To: <20170317031033.pr3vjqmvixqtss47@localhost.localdomain> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" QWgsIHNvcnJ5IGFib3V0IHRoYXQhIEkgcmV2aXNlZCB0aGUgdjEgcGF0Y2gsIG5vdCB0aGUgdjIg cGF0Y2guIEknbGwgZml4IGFuZCByZXN1Ym1pdC4NCg0KPiAgLS0tLS1PcmlnaW5hbCBNZXNzYWdl LS0tLS0NCj4gIEZyb206IEplcmluIEphY29iIFttYWlsdG86amVyaW4uamFjb2JAY2F2aXVtbmV0 d29ya3MuY29tXQ0KPiAgU2VudDogVGh1cnNkYXksIE1hcmNoIDE2LCAyMDE3IDEwOjExIFBNDQo+ ICBUbzogRWFkcywgR2FnZSA8Z2FnZS5lYWRzQGludGVsLmNvbT4NCj4gIENjOiBkZXZAZHBkay5v cmc7IFJpY2hhcmRzb24sIEJydWNlIDxicnVjZS5yaWNoYXJkc29uQGludGVsLmNvbT47DQo+ICBo ZW1hbnQuYWdyYXdhbEBueHAuY29tOyBWYW4gSGFhcmVuLCBIYXJyeSA8aGFycnkudmFuLmhhYXJl bkBpbnRlbC5jb20+Ow0KPiAgbmlwdW4uZ3VwdGFAbnhwLmNvbQ0KPiAgU3ViamVjdDogUmU6IFtQ QVRDSCB2M10gZXZlbnRkZXY6IGFkZCBlcnJuby1zdHlsZSByZXR1cm4gdmFsdWVzDQo+ICANCj4g IE9uIFRodSwgTWFyIDE2LCAyMDE3IGF0IDAzOjEyOjE5UE0gLTA1MDAsIEdhZ2UgRWFkcyB3cm90 ZToNCj4gID4gVGhpcyBjb21taXQgYWRkcyBydGVfZXJybm8gcmV0dXJuIHZhbHVlcyB0byBydGVf ZXZlbnRfZW5xdWV1ZV9idXJzdCgpDQo+ICA+IGFuZCBydGVfZXZlbnRfZGVxdWV1ZV9idXJzdCgp Lg0KPiAgPg0KPiAgPiBUaGVzZSByZXR1cm4gdmFsdWVzIGFsbG93cyB1c2VyIHNvZnR3YXJlIHRv IGRpZmZlcmVudGlhdGUgYmV0d2VlbiBhbg0KPiAgPiBpbnZhbGlkIGFyZ3VtZW50IChzdWNoIGFz IGFuIGludmFsaWQgcXVldWVfaWQgb3Igc2NoZWRfdHlwZSBpbiBhbg0KPiAgPiBlbnF1ZXVlZA0K PiAgPiBldmVudCkgYW5kIGJhY2twcmVzc3VyZSBmcm9tIHRoZSBldmVudCBkZXZpY2UuDQo+ICA+ DQo+ICA+IFRoZSBwb3J0IGFuZCBkZXZpY2UgSUQgY2hlY2tzIGFyZSBwbGFjZWQgaW4gUlRFX0xJ QlJURV9FVkVOVERFVl9ERUJVRw0KPiAgPiBoZWFkZXIgZ3VhcmRzIHRvIGF2b2lkIHRoZSBwZXJm b3JtYW5jZSBoaXQgaW4gbm9uLWRlYnVnIGV4ZWN1dGlvbi4NCj4gID4NCj4gID4gU2lnbmVkLW9m Zi1ieTogR2FnZSBFYWRzIDxnYWdlLmVhZHNAaW50ZWwuY29tPg0KPiAgPiAtLS0NCj4gID4gQ2hh bmdlcyBmb3IgdjI6DQo+ICA+ICAgLSBSZW1vdmUgcnRlX2Vycm5vIGluaXRpYWxpemF0aW9uDQo+ ICA+IENoYW5nZXMgZm9yIHYzOg0KPiAgPiAgIC0gRml4IGNoZWNrcGF0Y2ggYW5kIGNoZWNrLWdp dC1sb2cuc2ggZXJyb3JzDQo+ICA+DQo+ICA+ICBsaWIvbGlicnRlX2V2ZW50ZGV2L3J0ZV9ldmVu dGRldi5oIHwgNDINCj4gID4gKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKystLS0N Cj4gID4gIDEgZmlsZSBjaGFuZ2VkLCAzOSBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQ0K PiAgPg0KPiAgPiBkaWZmIC0tZ2l0IGEvbGliL2xpYnJ0ZV9ldmVudGRldi9ydGVfZXZlbnRkZXYu aA0KPiAgPiBiL2xpYi9saWJydGVfZXZlbnRkZXYvcnRlX2V2ZW50ZGV2LmgNCj4gID4gaW5kZXgg MmIzMGEzNS4uM2U1NGIyNyAxMDA2NDQNCj4gID4gLS0tIGEvbGliL2xpYnJ0ZV9ldmVudGRldi9y dGVfZXZlbnRkZXYuaA0KPiAgPiArKysgYi9saWIvbGlicnRlX2V2ZW50ZGV2L3J0ZV9ldmVudGRl di5oDQo+ICA+IEBAIC0yNDUsNiArMjQ1LDcgQEAgZXh0ZXJuICJDIiB7DQo+ICA+DQo+ICA+ICAj aW5jbHVkZSA8cnRlX2NvbW1vbi5oPg0KPiAgPiAgI2luY2x1ZGUgPHJ0ZV9tZW1vcnkuaD4NCj4g ID4gKyNpbmNsdWRlIDxydGVfZXJybm8uaD4NCj4gID4NCj4gID4gIHN0cnVjdCBydGVfbWJ1Zjsg Lyogd2UganVzdCB1c2UgbWJ1ZiBwb2ludGVyczsgbm8gbmVlZCB0byBpbmNsdWRlDQo+ICA+IHJ0 ZV9tYnVmLmggKi8NCj4gID4NCj4gID4gQEAgLTExMTgsOSArMTExOSwxNCBAQCBydGVfZXZlbnRf c2NoZWR1bGUodWludDhfdCBkZXZfaWQpDQo+ICA+ICAgKiAgIFRoZSBudW1iZXIgb2YgZXZlbnQg b2JqZWN0cyBhY3R1YWxseSBlbnF1ZXVlZCBvbiB0aGUgZXZlbnQgZGV2aWNlLiBUaGUNCj4gID4g ICAqICAgcmV0dXJuIHZhbHVlIGNhbiBiZSBsZXNzIHRoYW4gdGhlIHZhbHVlIG9mIHRoZSAqbmJf ZXZlbnRzKiBwYXJhbWV0ZXINCj4gIHdoZW4NCj4gID4gICAqICAgdGhlIGV2ZW50IGRldmljZXMg cXVldWUgaXMgZnVsbCBvciBpZiBpbnZhbGlkIHBhcmFtZXRlcnMgYXJlIHNwZWNpZmllZCBpbiBh DQo+ICA+IC0gKiAgICpydGVfZXZlbnQqLiBJZiByZXR1cm4gdmFsdWUgaXMgbGVzcyB0aGFuICpu Yl9ldmVudHMqLCB0aGUgcmVtYWluaW5nDQo+ICBldmVudHMNCj4gID4gLSAqICAgYXQgdGhlIGVu ZCBvZiBldltdIGFyZSBub3QgY29uc3VtZWQsYW5kIHRoZSBjYWxsZXIgaGFzIHRvIHRha2UgY2Fy ZSBvZg0KPiAgdGhlbQ0KPiAgPiAtICoNCj4gID4gKyAqICAgKnJ0ZV9ldmVudCouIElmIHRoZSBy ZXR1cm4gdmFsdWUgaXMgbGVzcyB0aGFuICpuYl9ldmVudHMqLCB0aGUgcmVtYWluaW5nDQo+ICA+ ICsgKiAgIGV2ZW50cyBhdCB0aGUgZW5kIG9mIGV2W10gYXJlIG5vdCBjb25zdW1lZCBhbmQgdGhl IGNhbGxlciBoYXMgdG8gdGFrZQ0KPiAgY2FyZQ0KPiAgPiArICogICBvZiB0aGVtLCBhbmQgcnRl X2Vycm5vIGlzIHNldCBhY2NvcmRpbmdseS4gUG9zc2libGUgZXJybm8gdmFsdWVzIGluY2x1ZGU6 DQo+ICA+ICsgKiAgIC0oLUVJTlZBTCkgVGhlIHBvcnQgSUQgaXMgaW52YWxpZCwgZGV2aWNlIElE IGlzIGludmFsaWQsIGFuIGV2ZW50J3MgcXVldWUNCj4gID4gKyAqICAgICAgICAgICAgICBJRCBp cyBpbnZhbGlkLCBvciBhbiBldmVudCdzIHNjaGVkIHR5cGUgZG9lc24ndCBtYXRjaCB0aGUNCj4g ID4gKyAqICAgICAgICAgICAgICBjYXBhYmlsaXRpZXMgb2YgdGhlIGRlc3RpbmF0aW9uIHF1ZXVl Lg0KPiAgPiArICogICAtKC1FTk9TUEMpIFRoZSBldmVudCBwb3J0IHdhcyBiYWNrcHJlc3N1cmVk IGFuZCB1bmFibGUgdG8gZW5xdWV1ZQ0KPiAgPiArICogICAgICAgICAgICAgIG9uZSBvciBtb3Jl IGV2ZW50cy4NCj4gIA0KPiAgUGxlYXNlIGNoZWNrIHRoZSByZXZpZXcgY29tbWVudHMgb2YgdjIN Cj4gIGh0dHA6Ly9kcGRrLm9yZy9tbC9hcmNoaXZlcy9kZXYvMjAxNy1NYXJjaC8wNjAzNTIuaHRt bA0KPiAgDQo+ICA+ICAgKiBAc2VlIHJ0ZV9ldmVudF9wb3J0X2VucXVldWVfZGVwdGgoKQ0KPiAg PiAgICovDQo+ICA+ICBzdGF0aWMgaW5saW5lIHVpbnQxNl90DQo+ICA+IEBAIC0xMTI5LDYgKzEx MzUsMjEgQEAgcnRlX2V2ZW50X2VucXVldWVfYnVyc3QodWludDhfdCBkZXZfaWQsIHVpbnQ4X3QN Cj4gID4gcG9ydF9pZCwgIHsNCj4gID4gIAlzdHJ1Y3QgcnRlX2V2ZW50ZGV2ICpkZXYgPSAmcnRl X2V2ZW50ZGV2c1tkZXZfaWRdOw0KPiAgPg0KPiAgPiArCXJ0ZV9lcnJubyA9IDA7DQo+ICANCj4g IFdoeSBydGVfZXJybm8gPSAwIGlzIG5vdCBpbiBSVEVfTElCUlRFX0VWRU5UREVWX0RFQlVHIG5v dyBpbiB2Mz8NCj4gIA0KPiAgPiArI2lmZGVmIFJURV9MSUJSVEVfRVZFTlRERVZfREVCVUcNCj4g IA0KPiAgUGxlYXNlIGNoZWNrIHRoZSByZXZpZXcgY29tbWVudHMgb2YgdjINCj4gIGh0dHA6Ly9k cGRrLm9yZy9tbC9hcmNoaXZlcy9kZXYvMjAxNy1NYXJjaC8wNjAzNTIuaHRtbA0KPiAgDQo+ICBJ dCBzdGlsbCBmYWlscy4NCj4gIA0KPiAgbiBmaWxlIGluY2x1ZGVkIGZyb20NCj4gIC9leHBvcnQv ZHBkay1uZXh0LWV2ZW50ZGV2L2xpYi9saWJydGVfZXZlbnRkZXYvcnRlX2V2ZW50ZGV2LmM6NjE6 MDoNCj4gIC9leHBvcnQvZHBkay1uZXh0LWV2ZW50ZGV2L2xpYi9saWJydGVfZXZlbnRkZXYvcnRl X2V2ZW50ZGV2Lmg6IEluIGZ1bmN0aW9uDQo+ICDigJhydGVfZXZlbnRfZW5xdWV1ZV9idXJzdOKA mToNCj4gIC9leHBvcnQvZHBkay1uZXh0LWV2ZW50ZGV2L2xpYi9saWJydGVfZXZlbnRkZXYvcnRl X2V2ZW50ZGV2Lmg6MTE0MDo0MDoNCj4gIGVycm9yOiDigJhSVEVfRVZFTlRERVZfREVUQUNIRUTi gJkgdW5kZWNsYXJlZCAoZmlyc3QgdXNlIGluIHRoaXMgZnVuY3Rpb24pDQo+ICAgIGlmIChydGVf ZXZlbnRkZXZzW2Rldl9pZF0uYXR0YWNoZWQgPT0gUlRFX0VWRU5UREVWX0RFVEFDSEVEKSB7DQo+ ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgXg0KPiAgL2V4cG9ydC9k cGRrLW5leHQtZXZlbnRkZXYvbGliL2xpYnJ0ZV9ldmVudGRldi9ydGVfZXZlbnRkZXYuaDoxMTQw OjQwOg0KPiAgbm90ZTogZWFjaCB1bmRlY2xhcmVkIGlkZW50aWZpZXIgaXMgcmVwb3J0ZWQgb25s eSBvbmNlIGZvciBlYWNoIGZ1bmN0aW9uIGl0DQo+ICBhcHBlYXJzIGluDQo+ICAvZXhwb3J0L2Rw ZGstbmV4dC1ldmVudGRldi9saWIvbGlicnRlX2V2ZW50ZGV2L3J0ZV9ldmVudGRldi5oOjExNDE6 MzoNCj4gIGVycm9yOiBpbXBsaWNpdCBkZWNsYXJhdGlvbiBvZiBmdW5jdGlvbiDigJhSVEVfRURF Vl9MT0dfREVCVUfigJkNCj4gIFstV2Vycm9yPWltcGxpY2l0LWZ1bmN0aW9uLWRlY2xhcmF0aW9u XQ0KPiAgICAgUlRFX0VERVZfTE9HX0RFQlVHKCJJbnZhbGlkIGRldl9pZD0lZFxuIiwgZGV2X2lk KTsNCj4gICAgIF4NCj4gIA0KPiAgPiArCWlmIChydGVfZXZlbnRkZXZzW2Rldl9pZF0uYXR0YWNo ZWQgPT0gUlRFX0VWRU5UREVWX0RFVEFDSEVEKSB7DQo+ICA+ICsJCVJURV9FREVWX0xPR19ERUJV RygiSW52YWxpZCBkZXZfaWQ9JWRcbiIsIGRldl9pZCk7DQo+ICA+ICsJCXJ0ZV9lcnJubyA9IC1F SU5WQUw7DQo+ICA+ICsJCXJldHVybiAwOw0KPiAgPiArCX0NCj4gID4gKw0KPiAgPiArCWlmIChw b3J0X2lkID49IGRldi0+ZGF0YS0+bmJfcG9ydHMpIHsNCj4gID4gKwkJUlRFX0VERVZfTE9HX0RF QlVHKCJJbnZhbGlkIHBvcnRfaWQ9JWRcbiIsIHBvcnRfaWQpOw0KPiAgPiArCQlydGVfZXJybm8g PSAtRUlOVkFMOw0KPiAgPiArCQlyZXR1cm4gMDsNCj4gID4gKwl9DQo+ICA+ICsjZW5kaWYNCj4g ID4gKw0KPiAgPiAgCS8qDQo+ICA+ICAJICogQWxsb3cgemVybyBjb3N0IG5vbiBidXJzdCBtb2Rl IHJvdXRpbmUgaW52b2NhdGlvbiBpZiBhcHBsaWNhdGlvbg0KPiAgPiAgCSAqIHJlcXVlc3RzIG5i X2V2ZW50cyBhcyBjb25zdCBvbmUNCj4gID4gQEAgLTEyMzksNiArMTI2MCwyMSBAQCBydGVfZXZl bnRfZGVxdWV1ZV9idXJzdCh1aW50OF90IGRldl9pZCwgdWludDhfdA0KPiAgPiBwb3J0X2lkLCBz dHJ1Y3QgcnRlX2V2ZW50IGV2W10sICB7DQo+ICA+ICAJc3RydWN0IHJ0ZV9ldmVudGRldiAqZGV2 ID0gJnJ0ZV9ldmVudGRldnNbZGV2X2lkXTsNCj4gID4NCj4gID4gKyNpZmRlZiBSVEVfTElCUlRF X0VWRU5UREVWX0RFQlVHDQo+ICA+ICsJcnRlX2Vycm5vID0gMDsNCj4gID4gKwlpZiAocnRlX2V2 ZW50ZGV2c1tkZXZfaWRdLmF0dGFjaGVkID09IFJURV9FVkVOVERFVl9ERVRBQ0hFRCkgew0KPiAg PiArCQlSVEVfRURFVl9MT0dfREVCVUcoIkludmFsaWQgZGV2X2lkPSVkXG4iLCBkZXZfaWQpOw0K PiAgPiArCQlydGVfZXJybm8gPSAtRUlOVkFMOw0KPiAgPiArCQlyZXR1cm4gMDsNCj4gID4gKwl9 DQo+ICA+ICsNCj4gID4gKwlpZiAocG9ydF9pZCA+PSBkZXYtPmRhdGEtPm5iX3BvcnRzKSB7DQo+ ICA+ICsJCVJURV9FREVWX0xPR19ERUJVRygiSW52YWxpZCBwb3J0X2lkPSVkXG4iLCBwb3J0X2lk KTsNCj4gID4gKwkJcnRlX2Vycm5vID0gLUVJTlZBTDsNCj4gID4gKwkJcmV0dXJuIDA7DQo+ICA+ ICsJfQ0KPiAgPiArI2VuZGlmDQo+ICA+ICsNCj4gID4gIAkvKg0KPiAgPiAgCSAqIEFsbG93IHpl cm8gY29zdCBub24gYnVyc3QgbW9kZSByb3V0aW5lIGludm9jYXRpb24gaWYgYXBwbGljYXRpb24N Cj4gID4gIAkgKiByZXF1ZXN0cyBuYl9ldmVudHMgYXMgY29uc3Qgb25lDQo+ICA+IC0tDQo+ICA+ IDIuNy40DQo+ICA+DQo=