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 4D69BA0567; Wed, 11 Mar 2020 10:04:39 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 79A191BF7F; Wed, 11 Mar 2020 10:04:38 +0100 (CET) Received: from smartserver.smartsharesystems.com (smartserver.smartsharesystems.com [77.243.40.215]) by dpdk.org (Postfix) with ESMTP id 79DF5FEB; Wed, 11 Mar 2020 10:04:37 +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: Wed, 11 Mar 2020 10:04:33 +0100 Message-ID: <98CBD80474FA8B44BF855DF32C47DC35C60EAC@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: AQHV9fBz71Suucrna027AAjtXZtDbqhAAhPAgAAeKgCAACHPgIACxQ9ggAAMaNA= References: <20200303162728.93744-1-gavin.hu@arm.com> <20200307155629.45021-1-gavin.hu@arm.com> <4135ab73-75d3-421a-264d-2951fc096133@intel.com> <98CBD80474FA8B44BF855DF32C47DC35C60EA3@smartserver.smartshare.dk> From: =?utf-8?B?TW9ydGVuIEJyw7hydXA=?= To: "Gavin Hu" , "Ferruh Yigit" , Cc: "nd" , , , , , "Honnappa Nagarahalli" , "Ruifeng Wang" , "Phil Yang" , "Joyce Kong" , , "Olivier MATZ" , "Konstantin Ananyev" , "Andrew Rybchenko" , "nd" 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" PiBGcm9tOiBkZXYgW21haWx0bzpkZXYtYm91bmNlc0BkcGRrLm9yZ10gT24gQmVoYWxmIE9mIEdh dmluIEh1DQo+IFNlbnQ6IFdlZG5lc2RheSwgTWFyY2ggMTEsIDIwMjAgODo1MCBBTQ0KPiANCj4g SGkgTW9ydGVuLA0KPiANCj4gPiBGcm9tOiBNb3J0ZW4gQnLDuHJ1cCA8bWJAc21hcnRzaGFyZXN5 c3RlbXMuY29tPg0KPiA+IFNlbnQ6IE1vbmRheSwgTWFyY2ggOSwgMjAyMCA5OjMxIFBNDQo+ID4N Cj4gPiA+IEZyb206IGRldiBbbWFpbHRvOmRldi1ib3VuY2VzQGRwZGsub3JnXSBPbiBCZWhhbGYg T2YgRmVycnVoIFlpZ2l0DQo+ID4gPiBTZW50OiBNb25kYXksIE1hcmNoIDksIDIwMjAgMTI6MzAg UE0NCj4gPiA+DQo+ID4gPiBPbiAzLzkvMjAyMCA5OjQ1IEFNLCBHYXZpbiBIdSB3cm90ZToNCj4g PiA+ID4gSGkgRmVycnVoLA0KPiA+ID4gPg0KPiA+ID4gPj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdl LS0tLS0NCj4gPiA+ID4+IEZyb206IEZlcnJ1aCBZaWdpdCA8ZmVycnVoLnlpZ2l0QGludGVsLmNv bT4NCj4gPiA+ID4+IFNlbnQ6IE1vbmRheSwgTWFyY2ggOSwgMjAyMCA0OjU1IFBNDQo+ID4gPiA+ Pg0KPiA+ID4gPj4gT24gMy83LzIwMjAgMzo1NiBQTSwgR2F2aW4gSHUgd3JvdGU6DQo+ID4gPiA+ Pj4gRGVjbGFyaW5nIHplcm8tbGVuZ3RoIGFycmF5cyBpbiBvdGhlciBjb250ZXh0cywgaW5jbHVk aW5nIGFzDQo+ID4gPiBpbnRlcmlvcg0KPiA+ID4gPj4+IG1lbWJlcnMgb2Ygc3RydWN0dXJlIG9i amVjdHMgb3IgYXMgbm9uLW1lbWJlciBvYmplY3RzLCBpcw0KPiA+ID4gZGlzY291cmFnZWQuDQo+ ID4gPiA+Pj4gQWNjZXNzaW5nIGVsZW1lbnRzIG9mIHplcm8tbGVuZ3RoIGFycmF5cyBkZWNsYXJl ZCBpbiBzdWNoDQo+IGNvbnRleHRzDQo+ID4gPiBpcw0KPiA+ID4gPj4+IHVuZGVmaW5lZCBhbmQg bWF5IGJlIGRpYWdub3NlZC5bMV0NCj4gPiA+ID4+Pg0KPiA+ID4gPj4+IEZpeCBieSB1c2luZyB1 bm5hbWVkIHVuaW9uIGFuZCBzdHJ1Y3QuDQo+ID4gPiA+Pj4NCj4gPiA+ID4+PiBodHRwczovL2J1 Z3MuZHBkay5vcmcvc2hvd19idWcuY2dpP2lkPTM5Ng0KPiA+ID4gPj4+DQo+ID4gPiA+Pj4gQnVn emlsbGEgSUQ6IDM5Ng0KPiA+ID4gPj4+DQo+ID4gPiA+Pj4gWzFdIGh0dHBzOi8vZ2NjLmdudS5v cmcvb25saW5lZG9jcy9nY2MvWmVyby1MZW5ndGguaHRtbA0KPiA+ID4gPj4+DQo+ID4gPiA+Pj4g Rml4ZXM6IDNlNjE4MWIwNzAzOCAoIm1idWY6IHVzZSBzdHJ1Y3R1cmUgbWFya2VyIGZyb20gRUFM IikNCj4gPiA+ID4+PiBDYzogc3RhYmxlQGRwZGsub3JnDQo+ID4gPiA+Pj4NCj4gPiA+ID4+PiBT aWduZWQtb2ZmLWJ5OiBHYXZpbiBIdSA8Z2F2aW4uaHVAYXJtLmNvbT4NCj4gPiA+ID4+PiAtLS0N Cj4gPiA+ID4+PiB2MjoNCj4gPiA+ID4+PiAqIGNoYW5nZSAndWludDY0X3QgcmVhcm1fZGF0YScg dG8gJ3VpbnRfNjRfdCByZWFybV9kYXRhWzFdJyB0bw0KPiBmaXgNCj4gPiA+ID4+PiAgIHRoZSBT RkMgUE1EIGNvbXBpbGluZyBlcnJvciBvbiB4ODYuIDxLZXZpbiBUcmF5bm9yPg0KPiA+ID4gPj4+ IC0tLQ0KPiA+ID4gPj4+ICBsaWIvbGlicnRlX21idWYvcnRlX21idWZfY29yZS5oIHwgNTQgKysr KysrKysrKysrKysrKysrKy0tLS0tLQ0KPiAtLS0tDQo+ID4gPiAtLS0tDQo+ID4gPiA+Pj4gIDEg ZmlsZSBjaGFuZ2VkLCAzMiBpbnNlcnRpb25zKCspLCAyMiBkZWxldGlvbnMoLSkNCj4gPiA+ID4+ Pg0KPiA+ID4gPj4+IGRpZmYgLS1naXQgYS9saWIvbGlicnRlX21idWYvcnRlX21idWZfY29yZS5o DQo+ID4gPiA+PiBiL2xpYi9saWJydGVfbWJ1Zi9ydGVfbWJ1Zl9jb3JlLmgNCj4gPiA+ID4+PiBp bmRleCBiOWE1OWM4NzkuLjM0Y2IxNTJlMiAxMDA2NDQNCj4gPiA+ID4+PiAtLS0gYS9saWIvbGli cnRlX21idWYvcnRlX21idWZfY29yZS5oDQo+ID4gPiA+Pj4gKysrIGIvbGliL2xpYnJ0ZV9tYnVm L3J0ZV9tYnVmX2NvcmUuaA0KPiA+ID4gPj4+IEBAIC00ODAsMzEgKzQ4MCw0MSBAQCBzdHJ1Y3Qg cnRlX21idWYgew0KPiA+ID4gPj4+ICAJCXJ0ZV9pb3ZhX3QgYnVmX3BoeXNhZGRyOyAvKio8IGRl cHJlY2F0ZWQgKi8NCj4gPiA+ID4+PiAgCX0gX19ydGVfYWxpZ25lZChzaXplb2YocnRlX2lvdmFf dCkpOw0KPiA+ID4gPj4+DQo+ID4gPiA+Pj4gLQkvKiBuZXh0IDggYnl0ZXMgYXJlIGluaXRpYWxp c2VkIG9uIFJYIGRlc2NyaXB0b3IgcmVhcm0gKi8NCj4gPiA+ID4+PiAtCVJURV9NQVJLRVI2NCBy ZWFybV9kYXRhOw0KPiA+ID4gPj4+IC0JdWludDE2X3QgZGF0YV9vZmY7DQo+ID4gPiA+Pj4gLQ0K PiA+ID4gPj4+IC0JLyoqDQo+ID4gPiA+Pj4gLQkgKiBSZWZlcmVuY2UgY291bnRlci4gSXRzIHNp emUgc2hvdWxkIGF0IGxlYXN0IGVxdWFsIHRvIHRoZQ0KPiBzaXplDQo+ID4gPiA+Pj4gLQkgKiBv ZiBwb3J0IGZpZWxkICgxNiBiaXRzKSwgdG8gc3VwcG9ydCB6ZXJvLWNvcHkgYnJvYWRjYXN0Lg0K PiA+ID4gPj4+IC0JICogSXQgc2hvdWxkIG9ubHkgYmUgYWNjZXNzZWQgdXNpbmcgdGhlIGZvbGxv d2luZw0KPiBmdW5jdGlvbnM6DQo+ID4gPiA+Pj4gLQkgKiBydGVfbWJ1Zl9yZWZjbnRfdXBkYXRl KCksIHJ0ZV9tYnVmX3JlZmNudF9yZWFkKCksIGFuZA0KPiA+ID4gPj4+IC0JICogcnRlX21idWZf cmVmY250X3NldCgpLiBUaGUgZnVuY3Rpb25hbGl0eSBvZiB0aGVzZQ0KPiBmdW5jdGlvbnMNCj4g PiA+IChhdG9taWMsDQo+ID4gPiA+Pj4gLQkgKiBvciBub24tYXRvbWljKSBpcyBjb250cm9sbGVk IGJ5IHRoZQ0KPiA+ID4gPj4gQ09ORklHX1JURV9NQlVGX1JFRkNOVF9BVE9NSUMNCj4gPiA+ID4+ PiAtCSAqIGNvbmZpZyBvcHRpb24uDQo+ID4gPiA+Pj4gLQkgKi8NCj4gPiA+ID4+PiAgCVJURV9T VERfQzExDQo+ID4gPiA+Pj4gIAl1bmlvbiB7DQo+ID4gPiA+Pj4gLQkJcnRlX2F0b21pYzE2X3Qg cmVmY250X2F0b21pYzsgLyoqPCBBdG9taWNhbGx5DQo+IGFjY2Vzc2VkDQo+ID4gPiA+PiByZWZj bnQgKi8NCj4gPiA+ID4+PiAtCQkvKiogTm9uLWF0b21pY2FsbHkgYWNjZXNzZWQgcmVmY250ICov DQo+ID4gPiA+Pj4gLQkJdWludDE2X3QgcmVmY250Ow0KPiA+ID4gPj4+IC0JfTsNCj4gPiA+ID4+ PiAtCXVpbnQxNl90IG5iX3NlZ3M7ICAgICAgICAgLyoqPCBOdW1iZXIgb2Ygc2VnbWVudHMuICov DQo+ID4gPiA+Pj4gKwkJLyogbmV4dCA4IGJ5dGVzIGFyZSBpbml0aWFsaXNlZCBvbiBSWCBkZXNj cmlwdG9yDQo+IHJlYXJtICovDQo+ID4gPiA+Pj4gKwkJdWludDY0X3QgcmVhcm1fZGF0YVsxXTsN Cj4gPiA+ID4+IFdlIGFyZSB1c2luZyB6ZXJvIGxlbmd0aCBhcnJheSBhcyBtYXJrZXJzIG9ubHkg YW5kIGtub3cgd2hhdCB3ZQ0KPiBhcmUNCj4gPiA+IGRvaW5nDQo+ID4gPiA+PiB3aXRoIHRoZW0s DQo+ID4gPiA+PiB3aGF0IHdvdWxkIHlvdSB0aGluayBkaXNhYmxpbmcgdGhlIHdhcm5pbmcgaW5z dGVhZCBvZiBpbmNyZWFzaW5nDQo+IHRoZQ0KPiA+ID4gPj4gY29tcGxleGl0eQ0KPiA+ID4gPj4g aW4gbWJ1ZiBzdHJ1Y3Q/DQo+ID4gPiA+IE9rYXksIEkgd2lsbCBhZGQgLVduby16ZXJvLWxlbmd0 aC1ib3VuZHMgdG8gdGhlIGNvbXBpbGVyDQo+IHRvb2xjaGFpbg0KPiA+ID4gZmxhZ3MuDQo+ID4g Pg0KPiA+ID4gVGhpcyB3b3VsZCBiZSBteSBwcmVmZXJlbmNlIGJ1dCBJIHdvdWxkIGxpa2UgdG8g Z2V0IG1vcmUgaW5wdXQsIGNhbg0KPiB5b3UNCj4gPiA+IHBsZWFzZQ0KPiA+ID4gZm9yIG1vcmUg Y29tbWVudHMgYmVmb3JlIGNoYW5naW5nIHRoZSBpbXBsZW1lbnRhdGlvbiBpbiBjYXNlIHRoZXJl DQo+IGFyZQ0KPiA+ID4gc29tZQ0KPiA+ID4gc3Ryb25nIG9waW5pb24gb24gaXQ/DQo+ID4gPg0K PiA+DQo+ID4gSSBoYXZlIHNvbWUgaW5wdXQgdG8gdGhpcyBkaXNjdXNzaW9uLg0KPiA+DQo+ID4g TGV0IG1lIHJlcGVhdCB3aGF0IEdhdmluJ3MgR0NDIHJlZmVyZW5jZSBzdGF0ZXM6IERlY2xhcmlu ZyB6ZXJvLQ0KPiBsZW5ndGgNCj4gPiBhcnJheXMgWy4uLl0gYXMgaW50ZXJpb3IgbWVtYmVycyBv ZiBzdHJ1Y3R1cmUgb2JqZWN0cyBbLi4uXSBpcw0KPiBkaXNjb3VyYWdlZC4NCj4gPg0KPiA+IFdo eSB3b3VsZCB3ZSBkbyBzb21ldGhpbmcgdGhhdCB0aGUgY29tcGlsZXIgZG9jdW1lbnRhdGlvbiBz YXlzIGlzDQo+ID4gZGlzY291cmFnZWQ/IEkgdGhpbmsgdGhlIHByb2JsZW0gKGkuZS4gdXNpbmcg ZGlzY291cmFnZWQgdGVjaG5pcXVlcykNCj4gc2hvdWxkDQo+ID4gYmUgZml4ZWQsIG5vdCB0aGUg c3ltcHRvbSAoaS5lLiBnZXR0aW5nIHdhcm5pbmdzIGFib3V0IHVzaW5nDQo+IGRpc2NvdXJhZ2Vk DQo+ID4gdGVjaG5pcXVlcykuDQo+ID4NCj4gPiBDb21waWxlciB3YXJuaW5ncyBhcmUgaGVyZSB0 byBoZWxwLCBhbmQgaW4gbXkgZXhwZXJpZW5jZSB0aGV5IGFyZQ0KPiBhY3R1YWxseQ0KPiA+IHZl cnkgaGVscGZ1bCwgYWx0aG91Z2ggYXZvaWRpbmcgdGhlbSBvZnRlbiByZXF1aXJlcyBzb21ld2hh dCBtb3JlDQo+ID4gdmVyYm9zZSBzb3VyY2UgY29kZS4gRGlzYWJsaW5nIHRoaXMgd2FybmluZyBu b3Qgb25seSBhZmZlY3RzIHRoaXMNCj4gZmlsZSwgYnV0DQo+ID4gZGlzYWJsZXMgd2FybmluZ3Mg YWJvdXQgcG90ZW50aWFsIGJ1Z3MgaW4gb3RoZXIgc291cmNlIGNvZGUgdG9vLg0KPiA+DQo+ID4g R2VuZXJhbGx5LCBkaXNhYmxpbmcgY29tcGlsZXIgd2FybmluZ3MgaXMgYSBzbGlwcGVyeSBzbG9w ZS4gSXQgd291bGQNCj4gYmUNCj4gPiBvcHRpbWFsIGlmIERQREsgY291bGQgYmUgY29tcGlsZWQg d2l0aCAtV2FsbCwgYW5kIGl0IHdvdWxkIHByb2JhYmx5DQo+IHJlZHVjZQ0KPiA+IHRoZSBudW1i ZXIgb2YgcmVsZWFzZWQgYnVncyB0b28uDQo+ID4NCj4gPiBXaXRoIHRoYXQgc2FpZCwgc29tZXRp bWVzIHRoZSBvcHRpbWFsIHNvbHV0aW9uIGhhcyB0byBnaXZlIHdheSBmb3INCj4gdGhlDQo+ID4g cHJhY3RpY2FsIHNvbHV0aW9uLiBBbmQgdGhpcyBpcyBhIGNvcmUgZmlsZSwgc28gd2Ugc2hvdWxk IHRocmVhZA0KPiBsaWdodGx5Lg0KPiA+DQo+ID4NCj4gPiBBcyBmb3IgYW4gYWx0ZXJuYXRpdmUg c29sdXRpb24sIHBlcmhhcHMgd2UgY2FuIGdldCByaWQgb2YgdGhlIE1BUktFUnMNCj4gaW4gdGhl DQo+ID4gc3RydWN0IGFuZCAjZGVmaW5lIHRoZW0gaW5zdGVhZC4gTm90IGFzIGVsZWdhbnQgYXMg R2F2aW4ncyBzdWdnZXN0ZWQNCj4gdW5pb24NCj4gPiBiYXNlZCBzb2x1dGlvbiwgYnV0IGl0IG1p Z2h0IGJyaW5nIGluc3BpcmF0aW9uLi4uDQo+ID4NCj4gPiBzdHJ1Y3QgcnRlX21idWYgew0KPiA+ ICAgICAuLi4NCj4gPiAgICAgfSBfX3J0ZV9hbGlnbmVkKHNpemVvZihydGVfaW92YV90KSk7DQo+ ID4NCj4gPiAgICAgdWludDE2X3QgZGF0YV9vZmY7DQo+ID4gICAgIC4uLg0KPiA+IH0NCj4gPg0K PiA+ICNkZWZpbmUgcnRlX21idWZfcmVhcm1fZGF0YShtKSAoKHVpbnQ2NF90ICopbS0+ZGF0YV9v ZmYpDQo+IA0KPiBUaGlzIGRvZXMgbm90IHdvcmsgb3V0LCBpdCBnZW5lcmF0ZXMgbmV3IGVycm9y czoNCj4gL3Jvb3QvZHBkay9idWlsZC9pbmNsdWRlL3J0ZV9tYnVmX2NvcmUuaDo0ODU6MzM6IGVy cm9yOiBkZXJlZmVyZW5jaW5nDQo+IHR5cGUtcHVubmVkIHBvaW50ZXIgd2lsbCBicmVhayBzdHJp Y3QtYWxpYXNpbmcgcnVsZXMgWy1XZXJyb3I9c3RyaWN0LQ0KPiBhbGlhc2luZ10NCj4gICA0ODUg fCAjZGVmaW5lIHJ0ZV9tYnVmX3JlYXJtX2RhdGEobSkgKCh1aW50NjRfdCAqKSZtLT5kYXRhX29m ZikNCj4gDQoNCk9LLiBUaGVuIEJydWNlJ3Mgc3VnZ2VzdGlvbiBwcm9iYWJseSB3b24ndCB3b3Jr IGVpdGhlci4NCg0KSSBmb3VuZCB0aGlzIGFydGljbGUgYWJvdXQgc3RyaWN0IGFsaWFzaW5nOiBo dHRwczovL2dpc3QuZ2l0aHViLmNvbS9zaGFmaWsvODQ4YWUyNWVlMjA5ZjY5ODc2M2NmZmVlMjcy YTU4ZjgNCg0KVGhlIGFydGljbGUgYmFzaWNhbGx5IHNheXMgdGhhdCB0aGUgdW5pb24gYmFzZWQg bWV0aG9kIChpLmUuIHlvdXIgb3JpZ2luYWwgc3VnZ2VzdGlvbikgaXMgdmFsaWQgQyAoYnV0IG5v dCBDKyspIGFuZCBpcyB0aGUgY29tbW9uIHNvbHV0aW9uLg0KDQpBbHRlcm5hdGl2ZXMgaGF2ZSBu b3cgYmVlbiBkaXNjdXNzZWQgYW5kIHRlc3RlZCwgc28gd2Ugc2hvdWxkIGFsbCBzdXBwb3J0IHlv dXIgb3JpZ2luYWwgc3VnZ2VzdGlvbiwgd2hpY2ggc2VlbXMgdG8gYmUgdGhlIG9ubHkgY29ycmVj dCBhbmQgdmlhYmxlIHNvbHV0aW9uLg0KDQpQbGVhc2UgZ28gYWhlYWQgd2l0aCB0aGF0LCBhbmQg dGhlbiBzb21lb25lIHNob3VsZCB1cGRhdGUgdGhlIFNGQyBQTUQgYWNjb3JkaW5nbHkuDQoNCkZ1 cnRoZXJtb3JlLCBJIHRoaW5rIHRoYXQgU3RlcGhlbidzIHN1Z2dlc3Rpb24gYWJvdXQgZ2V0dGlu ZyByaWQgb2YgdGhlIG1hcmtlcnMgYWxsIHRvZ2V0aGVyIGlzIGdvb2QgdGhpbmtpbmcsIGJ1dCBp dCB3b3VsZCByZXF1aXJlIHVwZGF0aW5nIGEgbG90IG9mIFBNRHMgYWNjb3JkaW5nbHkuIFNvIHBs ZWFzZSBhbHNvIGNvbnNpZGVyIHJlbW92aW5nIG90aGVyIG1hcmtlcnMgdGhhdCBjYW4gYmUgcmVt b3ZlZCB3aXRob3V0IGFmZmVjdGluZyBhIHdob2xlIGJ1bmNoIG9mIG90aGVyIGZpbGVzLg0KDQot TW9ydGVuDQoNCg==