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 99E78A054E for ; Mon, 9 Mar 2020 15:50:40 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6E7C91C0BF; Mon, 9 Mar 2020 15:50:40 +0100 (CET) Received: from smartserver.smartsharesystems.com (smartserver.smartsharesystems.com [77.243.40.215]) by dpdk.org (Postfix) with ESMTP id 3944D1C08E; Mon, 9 Mar 2020 15:50:38 +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 15:50:37 +0100 Message-ID: <98CBD80474FA8B44BF855DF32C47DC35C60EA4@smartserver.smartshare.dk> In-Reply-To: <59AF69C657FD0841A61C55336867B5B0975BCF34@IRSMSX103.ger.corp.intel.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [dpdk-dev] [PATCH v2] mbuf: replace zero-length markerwith unnamed union Thread-Index: AQHV9hcKxdIdMjnae0CUhv9js5cNEqhATf6AgAAEdgA= 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> <59AF69C657FD0841A61C55336867B5B0975BCF34@IRSMSX103.ger.corp.intel.com> From: =?utf-8?B?TW9ydGVuIEJyw7hydXA=?= To: "Richardson, Bruce" , "Yigit, Ferruh" , "Gavin Hu" , Cc: "nd" , , , , , "Honnappa Nagarahalli" , "Ruifeng Wang" , "Phil Yang" , "Joyce Kong" , , "Olivier MATZ" , "Ananyev, Konstantin" , "Andrew Rybchenko" Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] mbuf: replace zero-length markerwith unnamed union X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" PiBGcm9tOiBkZXYgW21haWx0bzpkZXYtYm91bmNlc0BkcGRrLm9yZ10gT24gQmVoYWxmIE9mIFJp Y2hhcmRzb24sIEJydWNlDQo+IFNlbnQ6IE1vbmRheSwgTWFyY2ggOSwgMjAyMCAzOjE2IFBNDQo+ ID4gRnJvbTogZGV2IDxkZXYtYm91bmNlc0BkcGRrLm9yZz4gT24gQmVoYWxmIE9mIE1vcnRlbiBC csO4cnVwDQo+ID4gU2VudDogTW9uZGF5LCBNYXJjaCA5LCAyMDIwIDE6MzEgUE0NCj4gPiA+IEZy b206IGRldiBbbWFpbHRvOmRldi1ib3VuY2VzQGRwZGsub3JnXSBPbiBCZWhhbGYgT2YgRmVycnVo IFlpZ2l0DQo+ID4gPiBTZW50OiBNb25kYXksIE1hcmNoIDksIDIwMjAgMTI6MzAgUE0NCj4gPiA+ DQo+ID4gPiBPbiAzLzkvMjAyMCA5OjQ1IEFNLCBHYXZpbiBIdSB3cm90ZToNCj4gPiA+ID4gSGkg RmVycnVoLA0KPiA+ID4gPg0KPiA+ID4gPj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4g PiA+ID4+IEZyb206IEZlcnJ1aCBZaWdpdCA8ZmVycnVoLnlpZ2l0QGludGVsLmNvbT4NCj4gPiA+ ID4+IFNlbnQ6IE1vbmRheSwgTWFyY2ggOSwgMjAyMCA0OjU1IFBNDQo+ID4gPiA+Pg0KPiA+ID4g Pj4gT24gMy83LzIwMjAgMzo1NiBQTSwgR2F2aW4gSHUgd3JvdGU6DQo+ID4gPiA+Pj4gRGVjbGFy aW5nIHplcm8tbGVuZ3RoIGFycmF5cyBpbiBvdGhlciBjb250ZXh0cywgaW5jbHVkaW5nIGFzDQo+ ID4gPiBpbnRlcmlvcg0KPiA+ID4gPj4+IG1lbWJlcnMgb2Ygc3RydWN0dXJlIG9iamVjdHMgb3Ig YXMgbm9uLW1lbWJlciBvYmplY3RzLCBpcw0KPiA+ID4gZGlzY291cmFnZWQuDQo+ID4gPiA+Pj4g QWNjZXNzaW5nIGVsZW1lbnRzIG9mIHplcm8tbGVuZ3RoIGFycmF5cyBkZWNsYXJlZCBpbiBzdWNo DQo+IGNvbnRleHRzDQo+ID4gPiBpcw0KPiA+ID4gPj4+IHVuZGVmaW5lZCBhbmQgbWF5IGJlIGRp YWdub3NlZC5bMV0NCj4gPiA+ID4+Pg0KPiA+ID4gPj4+IEZpeCBieSB1c2luZyB1bm5hbWVkIHVu aW9uIGFuZCBzdHJ1Y3QuDQo+ID4gPiA+Pj4NCj4gPiA+ID4+PiBodHRwczovL2J1Z3MuZHBkay5v cmcvc2hvd19idWcuY2dpP2lkPTM5Ng0KPiA+ID4gPj4+DQo+ID4gPiA+Pj4gQnVnemlsbGEgSUQ6 IDM5Ng0KPiA+ID4gPj4+DQo+ID4gPiA+Pj4gWzFdIGh0dHBzOi8vZ2NjLmdudS5vcmcvb25saW5l ZG9jcy9nY2MvWmVyby1MZW5ndGguaHRtbA0KPiA+ID4gPj4+DQo+ID4gPiA+Pj4gRml4ZXM6IDNl NjE4MWIwNzAzOCAoIm1idWY6IHVzZSBzdHJ1Y3R1cmUgbWFya2VyIGZyb20gRUFMIikNCj4gPiA+ ID4+PiBDYzogc3RhYmxlQGRwZGsub3JnDQo+ID4gPiA+Pj4NCj4gPiA+ID4+PiBTaWduZWQtb2Zm LWJ5OiBHYXZpbiBIdSA8Z2F2aW4uaHVAYXJtLmNvbT4NCj4gPiA+ID4+PiAtLS0NCj4gPiA+ID4+ PiB2MjoNCj4gPiA+ID4+PiAqIGNoYW5nZSAndWludDY0X3QgcmVhcm1fZGF0YScgdG8gJ3VpbnRf NjRfdCByZWFybV9kYXRhWzFdJyB0bw0KPiBmaXgNCj4gPiA+ID4+PiAgIHRoZSBTRkMgUE1EIGNv bXBpbGluZyBlcnJvciBvbiB4ODYuIDxLZXZpbiBUcmF5bm9yPg0KPiA+ID4gPj4+IC0tLQ0KPiA+ ID4gPj4+ICBsaWIvbGlicnRlX21idWYvcnRlX21idWZfY29yZS5oIHwgNTQNCj4gPiA+ID4+PiAr KysrKysrKysrKysrKysrKysrLS0tLS0tLS0tLQ0KPiA+ID4gLS0tLQ0KPiA+ID4gPj4+ICAxIGZp bGUgY2hhbmdlZCwgMzIgaW5zZXJ0aW9ucygrKSwgMjIgZGVsZXRpb25zKC0pDQo+ID4gPiA+Pj4N Cj4gPiA+ID4+PiBkaWZmIC0tZ2l0IGEvbGliL2xpYnJ0ZV9tYnVmL3J0ZV9tYnVmX2NvcmUuaA0K PiA+ID4gPj4gYi9saWIvbGlicnRlX21idWYvcnRlX21idWZfY29yZS5oDQo+ID4gPiA+Pj4gaW5k ZXggYjlhNTljODc5Li4zNGNiMTUyZTIgMTAwNjQ0DQo+ID4gPiA+Pj4gLS0tIGEvbGliL2xpYnJ0 ZV9tYnVmL3J0ZV9tYnVmX2NvcmUuaA0KPiA+ID4gPj4+ICsrKyBiL2xpYi9saWJydGVfbWJ1Zi9y dGVfbWJ1Zl9jb3JlLmgNCj4gPiA+ID4+PiBAQCAtNDgwLDMxICs0ODAsNDEgQEAgc3RydWN0IHJ0 ZV9tYnVmIHsNCj4gPiA+ID4+PiAgCQlydGVfaW92YV90IGJ1Zl9waHlzYWRkcjsgLyoqPCBkZXBy ZWNhdGVkICovDQo+ID4gPiA+Pj4gIAl9IF9fcnRlX2FsaWduZWQoc2l6ZW9mKHJ0ZV9pb3ZhX3Qp KTsNCj4gPiA+ID4+Pg0KPiA+ID4gPj4+IC0JLyogbmV4dCA4IGJ5dGVzIGFyZSBpbml0aWFsaXNl ZCBvbiBSWCBkZXNjcmlwdG9yIHJlYXJtICovDQo+ID4gPiA+Pj4gLQlSVEVfTUFSS0VSNjQgcmVh cm1fZGF0YTsNCj4gPiA+ID4+PiAtCXVpbnQxNl90IGRhdGFfb2ZmOw0KPiA+ID4gPj4+IC0NCj4g PiA+ID4+PiAtCS8qKg0KPiA+ID4gPj4+IC0JICogUmVmZXJlbmNlIGNvdW50ZXIuIEl0cyBzaXpl IHNob3VsZCBhdCBsZWFzdCBlcXVhbCB0byB0aGUNCj4gPiBzaXplDQo+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+IHJlYXJtDQo+ID4gKi8NCj4gPiA+ID4+PiArCQl1aW50NjRfdCByZWFybV9kYXRh WzFdOw0KPiA+ID4gPj4gV2UgYXJlIHVzaW5nIHplcm8gbGVuZ3RoIGFycmF5IGFzIG1hcmtlcnMg b25seSBhbmQga25vdyB3aGF0IHdlDQo+IGFyZQ0KPiA+ID4gZG9pbmcNCj4gPiA+ID4+IHdpdGgg dGhlbSwNCj4gPiA+ID4+IHdoYXQgd291bGQgeW91IHRoaW5rIGRpc2FibGluZyB0aGUgd2Fybmlu ZyBpbnN0ZWFkIG9mIGluY3JlYXNpbmcNCj4gPiA+ID4+IHRoZSBjb21wbGV4aXR5IGluIG1idWYg c3RydWN0Pw0KPiA+ID4gPiBPa2F5LCBJIHdpbGwgYWRkIC1Xbm8temVyby1sZW5ndGgtYm91bmRz IHRvIHRoZSBjb21waWxlcg0KPiB0b29sY2hhaW4NCj4gPiA+IGZsYWdzLg0KPiA+ID4NCj4gPiA+ IFRoaXMgd291bGQgYmUgbXkgcHJlZmVyZW5jZSBidXQgSSB3b3VsZCBsaWtlIHRvIGdldCBtb3Jl IGlucHV0LCBjYW4NCj4gPiA+IHlvdSBwbGVhc2UgZm9yIG1vcmUgY29tbWVudHMgYmVmb3JlIGNo YW5naW5nIHRoZSBpbXBsZW1lbnRhdGlvbiBpbg0KPiA+ID4gY2FzZSB0aGVyZSBhcmUgc29tZSBz dHJvbmcgb3BpbmlvbiBvbiBpdD8NCj4gPiA+DQo+ID4NCj4gPiBJIGhhdmUgc29tZSBpbnB1dCB0 byB0aGlzIGRpc2N1c3Npb24uDQo+ID4NCj4gPiBMZXQgbWUgcmVwZWF0IHdoYXQgR2F2aW4ncyBH Q0MgcmVmZXJlbmNlIHN0YXRlczogRGVjbGFyaW5nIHplcm8tDQo+IGxlbmd0aA0KPiA+IGFycmF5 cyBbLi4uXSBhcyBpbnRlcmlvciBtZW1iZXJzIG9mIHN0cnVjdHVyZSBvYmplY3RzIFsuLi5dIGlz DQo+ID4gZGlzY291cmFnZWQuDQo+ID4NCj4gPiBXaHkgd291bGQgd2UgZG8gc29tZXRoaW5nIHRo YXQgdGhlIGNvbXBpbGVyIGRvY3VtZW50YXRpb24gc2F5cyBpcw0KPiA+IGRpc2NvdXJhZ2VkPyBJ IHRoaW5rIHRoZSBwcm9ibGVtIChpLmUuIHVzaW5nIGRpc2NvdXJhZ2VkIHRlY2huaXF1ZXMpDQo+ ID4gc2hvdWxkIGJlIGZpeGVkLCBub3QgdGhlIHN5bXB0b20gKGkuZS4gZ2V0dGluZyB3YXJuaW5n cyBhYm91dCB1c2luZw0KPiA+IGRpc2NvdXJhZ2VkIHRlY2huaXF1ZXMpLg0KPiA+DQo+ID4gQ29t cGlsZXIgd2FybmluZ3MgYXJlIGhlcmUgdG8gaGVscCwgYW5kIGluIG15IGV4cGVyaWVuY2UgdGhl eSBhcmUNCj4gYWN0dWFsbHkNCj4gPiB2ZXJ5IGhlbHBmdWwsIGFsdGhvdWdoIGF2b2lkaW5nIHRo ZW0gb2Z0ZW4gcmVxdWlyZXMgc29tZXdoYXQgbW9yZQ0KPiB2ZXJib3NlDQo+ID4gc291cmNlIGNv ZGUuIERpc2FibGluZyB0aGlzIHdhcm5pbmcgbm90IG9ubHkgYWZmZWN0cyB0aGlzIGZpbGUsIGJ1 dA0KPiA+IGRpc2FibGVzIHdhcm5pbmdzIGFib3V0IHBvdGVudGlhbCBidWdzIGluIG90aGVyIHNv dXJjZSBjb2RlIHRvby4NCj4gPg0KPiA+IEdlbmVyYWxseSwgZGlzYWJsaW5nIGNvbXBpbGVyIHdh cm5pbmdzIGlzIGEgc2xpcHBlcnkgc2xvcGUuIEl0IHdvdWxkDQo+IGJlDQo+ID4gb3B0aW1hbCBp ZiBEUERLIGNvdWxkIGJlIGNvbXBpbGVkIHdpdGggLVdhbGwsIGFuZCBpdCB3b3VsZCBwcm9iYWJs eQ0KPiByZWR1Y2UNCj4gPiB0aGUgbnVtYmVyIG9mIHJlbGVhc2VkIGJ1Z3MgdG9vLg0KPiA+DQo+ ID4gV2l0aCB0aGF0IHNhaWQsIHNvbWV0aW1lcyB0aGUgb3B0aW1hbCBzb2x1dGlvbiBoYXMgdG8g Z2l2ZSB3YXkgZm9yDQo+IHRoZQ0KPiA+IHByYWN0aWNhbCBzb2x1dGlvbi4gQW5kIHRoaXMgaXMg YSBjb3JlIGZpbGUsIHNvIHdlIHNob3VsZCB0aHJlYWQNCj4gbGlnaHRseS4NCj4gPg0KPiA+DQo+ ID4gQXMgZm9yIGFuIGFsdGVybmF0aXZlIHNvbHV0aW9uLCBwZXJoYXBzIHdlIGNhbiBnZXQgcmlk IG9mIHRoZSBNQVJLRVJzDQo+IGluDQo+ID4gdGhlIHN0cnVjdCBhbmQgI2RlZmluZSB0aGVtIGlu c3RlYWQuIE5vdCBhcyBlbGVnYW50IGFzIEdhdmluJ3MNCj4gc3VnZ2VzdGVkDQo+ID4gdW5pb24g YmFzZWQgc29sdXRpb24sIGJ1dCBpdCBtaWdodCBicmluZyBpbnNwaXJhdGlvbi4uLg0KPiA+DQo+ ID4gc3RydWN0IHJ0ZV9tYnVmIHsNCj4gPiAgICAgLi4uDQo+ID4gICAgIH0gX19ydGVfYWxpZ25l ZChzaXplb2YocnRlX2lvdmFfdCkpOw0KPiA+DQo+ID4gICAgIHVpbnQxNl90IGRhdGFfb2ZmOw0K PiA+ICAgICAuLi4NCj4gPiB9DQo+ID4NCj4gPiAjZGVmaW5lIHJ0ZV9tYnVmX3JlYXJtX2RhdGEo bSkgKCh1aW50NjRfdCAqKW0tPmRhdGFfb2ZmKQ0KPiA+DQo+ID4NCj4gKzEgZm9yIHRoaXMsIGl0 J3MgdmVyeSBzaW1pbGFyIHRvIHdoYXQgSSB3YXMgZ29pbmcgdG8gc3VnZ2VzdCwgd2hpY2gNCj4g d2FzOg0KPiANCj4gdWludDE2X3QgZGF0YV9vZmY7DQo+ICNkZWZpbmUgX1JFQVJNX0RBVEEgZGF0 YV9vZmYNCj4gDQo+IGJ1dCB5b3VyIHN1Z2dlc3Rpb24gaXMgcHJvYmFibHkgY2xlYW5lciB0aGFu IG1pbmUuDQo+IA0KPiAvQnJ1Y2UNCg0KSSBwcmVmZXIgR2F2aW4ncyBhY2FkZW1pY2FsbHkgY29y cmVjdCBzb2x1dGlvbiwgaS5lLiB1c2luZyB1bmlvbnMuDQoNCkJ1dCBjaGVjayBvdXQgdGhlIGNv ZGUgdXNpbmcgcmVhcm1fZGF0YSEgSXQncyBhbGwgZHJpdmVycywgYW5kIHRoZXkgYWxsIHR5cGUg Y2FzdCBpdCwgZXhjZXB0IHRoZSBTRkMgUE1ELg0KDQpTbyBCcnVjZSdzIHN1Z2dlc3Rpb24gaXMg cHJvYmFibHkgbW9yZSB3b3JrYWJsZSB0aGFuIG1pbmUsIGFsdGhvdWdoIHRoZSAjZGVmaW5lJ2Qg bmFtZSBpcyBtaXNzaW5nIGFuIFJURSBwcmVmaXguIChBbmQgbWluZSBpcyBtaXNzaW5nIGFuICYu KQ0KDQoNCkFuZCBhIGNvbXBsZXRlbHkgYWx0ZXJuYXRpdmUgcm91dGUgaXMgb3BlbjogVHlwZSBj YXN0IHJlYXJtX2RhdGEgaW4gdGhlIFNGQyBQTUQsIGFuZCBwb3N0cG9uZSB0aGUgTUFSS0VSIGRp c2N1c3Npb24gdG8gbGF0ZXIuDQoNCi1Nb3J0ZW4NCg0K