From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6FC54A052E; Mon, 9 Mar 2020 14:31:00 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C88071C06D; Mon, 9 Mar 2020 14:30:59 +0100 (CET) Received: from smartserver.smartsharesystems.com (smartserver.smartsharesystems.com [77.243.40.215]) by dpdk.org (Postfix) with ESMTP id 2BCF01C06C; Mon, 9 Mar 2020 14:30:59 +0100 (CET) X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Date: Mon, 9 Mar 2020 14:30:57 +0100 Message-ID: <98CBD80474FA8B44BF855DF32C47DC35C60EA3@smartserver.smartshare.dk> In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [dpdk-dev] [PATCH v2] mbuf: replace zero-length marker with unnamed union Thread-Index: AdX2BhbEa8NdlUJ5T26coEFywkcu0wACWWhA References: <20200303162728.93744-1-gavin.hu@arm.com> <20200307155629.45021-1-gavin.hu@arm.com> <4135ab73-75d3-421a-264d-2951fc096133@intel.com> From: =?utf-8?B?TW9ydGVuIEJyw7hydXA=?= To: "Ferruh Yigit" , "Gavin Hu" , Cc: "nd" , , , , , "Honnappa Nagarahalli" , "Ruifeng Wang" , "Phil Yang" , "Joyce Kong" , , "Olivier MATZ" , "Konstantin Ananyev" , "Andrew Rybchenko" Subject: Re: [dpdk-dev] [PATCH v2] mbuf: replace zero-length marker with unnamed union 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" PiBGcm9tOiBkZXYgW21haWx0bzpkZXYtYm91bmNlc0BkcGRrLm9yZ10gT24gQmVoYWxmIE9mIEZl cnJ1aCBZaWdpdA0KPiBTZW50OiBNb25kYXksIE1hcmNoIDksIDIwMjAgMTI6MzAgUE0NCj4gDQo+ IE9uIDMvOS8yMDIwIDk6NDUgQU0sIEdhdmluIEh1IHdyb3RlOg0KPiA+IEhpIEZlcnJ1aCwNCj4g Pg0KPiA+PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiA+PiBGcm9tOiBGZXJydWggWWln aXQgPGZlcnJ1aC55aWdpdEBpbnRlbC5jb20+DQo+ID4+IFNlbnQ6IE1vbmRheSwgTWFyY2ggOSwg MjAyMCA0OjU1IFBNDQo+ID4+DQo+ID4+IE9uIDMvNy8yMDIwIDM6NTYgUE0sIEdhdmluIEh1IHdy b3RlOg0KPiA+Pj4gRGVjbGFyaW5nIHplcm8tbGVuZ3RoIGFycmF5cyBpbiBvdGhlciBjb250ZXh0 cywgaW5jbHVkaW5nIGFzDQo+IGludGVyaW9yDQo+ID4+PiBtZW1iZXJzIG9mIHN0cnVjdHVyZSBv YmplY3RzIG9yIGFzIG5vbi1tZW1iZXIgb2JqZWN0cywgaXMNCj4gZGlzY291cmFnZWQuDQo+ID4+ PiBBY2Nlc3NpbmcgZWxlbWVudHMgb2YgemVyby1sZW5ndGggYXJyYXlzIGRlY2xhcmVkIGluIHN1 Y2ggY29udGV4dHMNCj4gaXMNCj4gPj4+IHVuZGVmaW5lZCBhbmQgbWF5IGJlIGRpYWdub3NlZC5b MV0NCj4gPj4+DQo+ID4+PiBGaXggYnkgdXNpbmcgdW5uYW1lZCB1bmlvbiBhbmQgc3RydWN0Lg0K PiA+Pj4NCj4gPj4+IGh0dHBzOi8vYnVncy5kcGRrLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9Mzk2DQo+ ID4+Pg0KPiA+Pj4gQnVnemlsbGEgSUQ6IDM5Ng0KPiA+Pj4NCj4gPj4+IFsxXSBodHRwczovL2dj Yy5nbnUub3JnL29ubGluZWRvY3MvZ2NjL1plcm8tTGVuZ3RoLmh0bWwNCj4gPj4+DQo+ID4+PiBG aXhlczogM2U2MTgxYjA3MDM4ICgibWJ1ZjogdXNlIHN0cnVjdHVyZSBtYXJrZXIgZnJvbSBFQUwi KQ0KPiA+Pj4gQ2M6IHN0YWJsZUBkcGRrLm9yZw0KPiA+Pj4NCj4gPj4+IFNpZ25lZC1vZmYtYnk6 IEdhdmluIEh1IDxnYXZpbi5odUBhcm0uY29tPg0KPiA+Pj4gLS0tDQo+ID4+PiB2MjoNCj4gPj4+ ICogY2hhbmdlICd1aW50NjRfdCByZWFybV9kYXRhJyB0byAndWludF82NF90IHJlYXJtX2RhdGFb MV0nIHRvIGZpeA0KPiA+Pj4gICB0aGUgU0ZDIFBNRCBjb21waWxpbmcgZXJyb3Igb24geDg2LiA8 S2V2aW4gVHJheW5vcj4NCj4gPj4+IC0tLQ0KPiA+Pj4gIGxpYi9saWJydGVfbWJ1Zi9ydGVfbWJ1 Zl9jb3JlLmggfCA1NCArKysrKysrKysrKysrKysrKysrLS0tLS0tLS0tLQ0KPiAtLS0tDQo+ID4+ PiAgMSBmaWxlIGNoYW5nZWQsIDMyIGluc2VydGlvbnMoKyksIDIyIGRlbGV0aW9ucygtKQ0KPiA+ Pj4NCj4gPj4+IGRpZmYgLS1naXQgYS9saWIvbGlicnRlX21idWYvcnRlX21idWZfY29yZS5oDQo+ ID4+IGIvbGliL2xpYnJ0ZV9tYnVmL3J0ZV9tYnVmX2NvcmUuaA0KPiA+Pj4gaW5kZXggYjlhNTlj ODc5Li4zNGNiMTUyZTIgMTAwNjQ0DQo+ID4+PiAtLS0gYS9saWIvbGlicnRlX21idWYvcnRlX21i dWZfY29yZS5oDQo+ID4+PiArKysgYi9saWIvbGlicnRlX21idWYvcnRlX21idWZfY29yZS5oDQo+ ID4+PiBAQCAtNDgwLDMxICs0ODAsNDEgQEAgc3RydWN0IHJ0ZV9tYnVmIHsNCj4gPj4+ICAJCXJ0 ZV9pb3ZhX3QgYnVmX3BoeXNhZGRyOyAvKio8IGRlcHJlY2F0ZWQgKi8NCj4gPj4+ICAJfSBfX3J0 ZV9hbGlnbmVkKHNpemVvZihydGVfaW92YV90KSk7DQo+ID4+Pg0KPiA+Pj4gLQkvKiBuZXh0IDgg Ynl0ZXMgYXJlIGluaXRpYWxpc2VkIG9uIFJYIGRlc2NyaXB0b3IgcmVhcm0gKi8NCj4gPj4+IC0J UlRFX01BUktFUjY0IHJlYXJtX2RhdGE7DQo+ID4+PiAtCXVpbnQxNl90IGRhdGFfb2ZmOw0KPiA+ Pj4gLQ0KPiA+Pj4gLQkvKioNCj4gPj4+IC0JICogUmVmZXJlbmNlIGNvdW50ZXIuIEl0cyBzaXpl IHNob3VsZCBhdCBsZWFzdCBlcXVhbCB0byB0aGUgc2l6ZQ0KPiA+Pj4gLQkgKiBvZiBwb3J0IGZp ZWxkICgxNiBiaXRzKSwgdG8gc3VwcG9ydCB6ZXJvLWNvcHkgYnJvYWRjYXN0Lg0KPiA+Pj4gLQkg KiBJdCBzaG91bGQgb25seSBiZSBhY2Nlc3NlZCB1c2luZyB0aGUgZm9sbG93aW5nIGZ1bmN0aW9u czoNCj4gPj4+IC0JICogcnRlX21idWZfcmVmY250X3VwZGF0ZSgpLCBydGVfbWJ1Zl9yZWZjbnRf cmVhZCgpLCBhbmQNCj4gPj4+IC0JICogcnRlX21idWZfcmVmY250X3NldCgpLiBUaGUgZnVuY3Rp b25hbGl0eSBvZiB0aGVzZSBmdW5jdGlvbnMNCj4gKGF0b21pYywNCj4gPj4+IC0JICogb3Igbm9u LWF0b21pYykgaXMgY29udHJvbGxlZCBieSB0aGUNCj4gPj4gQ09ORklHX1JURV9NQlVGX1JFRkNO VF9BVE9NSUMNCj4gPj4+IC0JICogY29uZmlnIG9wdGlvbi4NCj4gPj4+IC0JICovDQo+ID4+PiAg CVJURV9TVERfQzExDQo+ID4+PiAgCXVuaW9uIHsNCj4gPj4+IC0JCXJ0ZV9hdG9taWMxNl90IHJl ZmNudF9hdG9taWM7IC8qKjwgQXRvbWljYWxseSBhY2Nlc3NlZA0KPiA+PiByZWZjbnQgKi8NCj4g Pj4+IC0JCS8qKiBOb24tYXRvbWljYWxseSBhY2Nlc3NlZCByZWZjbnQgKi8NCj4gPj4+IC0JCXVp bnQxNl90IHJlZmNudDsNCj4gPj4+IC0JfTsNCj4gPj4+IC0JdWludDE2X3QgbmJfc2VnczsgICAg ICAgICAvKio8IE51bWJlciBvZiBzZWdtZW50cy4gKi8NCj4gPj4+ICsJCS8qIG5leHQgOCBieXRl cyBhcmUgaW5pdGlhbGlzZWQgb24gUlggZGVzY3JpcHRvciByZWFybSAqLw0KPiA+Pj4gKwkJdWlu dDY0X3QgcmVhcm1fZGF0YVsxXTsNCj4gPj4gV2UgYXJlIHVzaW5nIHplcm8gbGVuZ3RoIGFycmF5 IGFzIG1hcmtlcnMgb25seSBhbmQga25vdyB3aGF0IHdlIGFyZQ0KPiBkb2luZw0KPiA+PiB3aXRo IHRoZW0sDQo+ID4+IHdoYXQgd291bGQgeW91IHRoaW5rIGRpc2FibGluZyB0aGUgd2FybmluZyBp bnN0ZWFkIG9mIGluY3JlYXNpbmcgdGhlDQo+ID4+IGNvbXBsZXhpdHkNCj4gPj4gaW4gbWJ1ZiBz dHJ1Y3Q/DQo+ID4gT2theSwgSSB3aWxsIGFkZCAtV25vLXplcm8tbGVuZ3RoLWJvdW5kcyB0byB0 aGUgY29tcGlsZXIgdG9vbGNoYWluDQo+IGZsYWdzLg0KPiANCj4gVGhpcyB3b3VsZCBiZSBteSBw cmVmZXJlbmNlIGJ1dCBJIHdvdWxkIGxpa2UgdG8gZ2V0IG1vcmUgaW5wdXQsIGNhbiB5b3UNCj4g cGxlYXNlDQo+IGZvciBtb3JlIGNvbW1lbnRzIGJlZm9yZSBjaGFuZ2luZyB0aGUgaW1wbGVtZW50 YXRpb24gaW4gY2FzZSB0aGVyZSBhcmUNCj4gc29tZQ0KPiBzdHJvbmcgb3BpbmlvbiBvbiBpdD8N Cj4gDQoNCkkgaGF2ZSBzb21lIGlucHV0IHRvIHRoaXMgZGlzY3Vzc2lvbi4NCg0KTGV0IG1lIHJl cGVhdCB3aGF0IEdhdmluJ3MgR0NDIHJlZmVyZW5jZSBzdGF0ZXM6IERlY2xhcmluZyB6ZXJvLWxl bmd0aCBhcnJheXMgWy4uLl0gYXMgaW50ZXJpb3IgbWVtYmVycyBvZiBzdHJ1Y3R1cmUgb2JqZWN0 cyBbLi4uXSBpcyBkaXNjb3VyYWdlZC4NCg0KV2h5IHdvdWxkIHdlIGRvIHNvbWV0aGluZyB0aGF0 IHRoZSBjb21waWxlciBkb2N1bWVudGF0aW9uIHNheXMgaXMgZGlzY291cmFnZWQ/IEkgdGhpbmsg dGhlIHByb2JsZW0gKGkuZS4gdXNpbmcgZGlzY291cmFnZWQgdGVjaG5pcXVlcykgc2hvdWxkIGJl IGZpeGVkLCBub3QgdGhlIHN5bXB0b20gKGkuZS4gZ2V0dGluZyB3YXJuaW5ncyBhYm91dCB1c2lu ZyBkaXNjb3VyYWdlZCB0ZWNobmlxdWVzKS4NCg0KQ29tcGlsZXIgd2FybmluZ3MgYXJlIGhlcmUg dG8gaGVscCwgYW5kIGluIG15IGV4cGVyaWVuY2UgdGhleSBhcmUgYWN0dWFsbHkgdmVyeSBoZWxw ZnVsLCBhbHRob3VnaCBhdm9pZGluZyB0aGVtIG9mdGVuIHJlcXVpcmVzIHNvbWV3aGF0IG1vcmUg dmVyYm9zZSBzb3VyY2UgY29kZS4gRGlzYWJsaW5nIHRoaXMgd2FybmluZyBub3Qgb25seSBhZmZl Y3RzIHRoaXMgZmlsZSwgYnV0IGRpc2FibGVzIHdhcm5pbmdzIGFib3V0IHBvdGVudGlhbCBidWdz IGluIG90aGVyIHNvdXJjZSBjb2RlIHRvby4NCg0KR2VuZXJhbGx5LCBkaXNhYmxpbmcgY29tcGls ZXIgd2FybmluZ3MgaXMgYSBzbGlwcGVyeSBzbG9wZS4gSXQgd291bGQgYmUgb3B0aW1hbCBpZiBE UERLIGNvdWxkIGJlIGNvbXBpbGVkIHdpdGggLVdhbGwsIGFuZCBpdCB3b3VsZCBwcm9iYWJseSBy ZWR1Y2UgdGhlIG51bWJlciBvZiByZWxlYXNlZCBidWdzIHRvby4NCg0KV2l0aCB0aGF0IHNhaWQs IHNvbWV0aW1lcyB0aGUgb3B0aW1hbCBzb2x1dGlvbiBoYXMgdG8gZ2l2ZSB3YXkgZm9yIHRoZSBw cmFjdGljYWwgc29sdXRpb24uIEFuZCB0aGlzIGlzIGEgY29yZSBmaWxlLCBzbyB3ZSBzaG91bGQg dGhyZWFkIGxpZ2h0bHkuDQoNCg0KQXMgZm9yIGFuIGFsdGVybmF0aXZlIHNvbHV0aW9uLCBwZXJo YXBzIHdlIGNhbiBnZXQgcmlkIG9mIHRoZSBNQVJLRVJzIGluIHRoZSBzdHJ1Y3QgYW5kICNkZWZp bmUgdGhlbSBpbnN0ZWFkLiBOb3QgYXMgZWxlZ2FudCBhcyBHYXZpbidzIHN1Z2dlc3RlZCB1bmlv biBiYXNlZCBzb2x1dGlvbiwgYnV0IGl0IG1pZ2h0IGJyaW5nIGluc3BpcmF0aW9uLi4uDQoNCnN0 cnVjdCBydGVfbWJ1ZiB7DQogICAgLi4uDQogICAgfSBfX3J0ZV9hbGlnbmVkKHNpemVvZihydGVf aW92YV90KSk7DQoNCiAgICB1aW50MTZfdCBkYXRhX29mZjsNCiAgICAuLi4NCn0NCg0KI2RlZmlu ZSBydGVfbWJ1Zl9yZWFybV9kYXRhKG0pICgodWludDY0X3QgKiltLT5kYXRhX29mZikNCg0KDQpN ZWQgdmVubGlnIGhpbHNlbiAvIGtpbmQgcmVnYXJkcw0KLSBNb3J0ZW4gQnLDuHJ1cA0KDQo=