From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0FDE5471F5; Mon, 12 Jan 2026 11:58:35 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 96F3B40A6C; Mon, 12 Jan 2026 11:58:34 +0100 (CET) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by mails.dpdk.org (Postfix) with ESMTP id 0D8F940288; Mon, 12 Jan 2026 11:58:33 +0100 (CET) Received: from mail.maildlp.com (unknown [172.18.224.107]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4dqTr82GgKzHnGd8; Mon, 12 Jan 2026 18:58:16 +0800 (CST) Received: from dubpeml500001.china.huawei.com (unknown [7.214.147.241]) by mail.maildlp.com (Postfix) with ESMTPS id 2C13C40571; Mon, 12 Jan 2026 18:58:32 +0800 (CST) Received: from dubpeml500001.china.huawei.com (7.214.147.241) by dubpeml500001.china.huawei.com (7.214.147.241) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 12 Jan 2026 10:58:31 +0000 Received: from dubpeml500001.china.huawei.com ([7.214.147.241]) by dubpeml500001.china.huawei.com ([7.214.147.241]) with mapi id 15.02.1544.011; Mon, 12 Jan 2026 10:58:31 +0000 From: Konstantin Ananyev To: =?utf-8?B?TW9ydGVuIEJyw7hydXA=?= , "Stephen Hemminger" , "dev@dpdk.org" CC: "stable@dpdk.org" Subject: RE: [PATCH] mbuf: fix packet copy Thread-Topic: [PATCH] mbuf: fix packet copy Thread-Index: AQHcWUyxZC53baITAUi48xMVA9nXxbVA/w+AgA2y4aA= Date: Mon, 12 Jan 2026 10:58:31 +0000 Message-ID: References: <20251119120403.907511-1-mb@smartsharesystems.com> <98CBD80474FA8B44BF855DF32C47DC35F6561A@smartserver.smartshare.dk> In-Reply-To: <98CBD80474FA8B44BF855DF32C47DC35F6561A@smartserver.smartshare.dk> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.126.168.96] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org DQo+IFBJTkcgZm9yIHJldmlldy4NCj4gDQo+ID4gRnJvbTogTW9ydGVuIEJyw7hydXAgW21haWx0 bzptYkBzbWFydHNoYXJlc3lzdGVtcy5jb21dDQo+ID4gU2VudDogV2VkbmVzZGF5LCAxOSBOb3Zl bWJlciAyMDI1IDEzLjA0DQo+ID4NCj4gPiBSZXF1ZXN0cyBmb3IgY29weWluZyB0aGUgYXQgdGhl IGVuZCBvZiBhIHBhY2tldCBpbmNvcnJlY3RseSByZXR1cm5lZA0KPiA+IE5VTEwsDQo+ID4gYXMg aWYgY29weWluZyBwYXN0IHRoZSBlbmQgb2YgYSBwYWNrZXQuDQo+ID4NCj4gPiBXaGVuIGFsbG9j YXRpbmcgY29waWVzIGZyb20gYSBtZW1wb29sIHVzaW5nIHBpbm5lZCBleHRlcm5hbCBidWZmZXJz LA0KPiA+IHRoZQ0KPiA+IGV4dGVybmFsIGZsYWcgd2FzIG5vdCBwcmVzZXJ2ZWQgaW4gdGhlc2Ug bWJ1ZnMuDQo+ID4NCj4gPiBGaXhlczogYzNhOTBjMzgxZGFhICgibWJ1ZjogYWRkIGEgY29weSBy b3V0aW5lIikNCj4gPg0KPiA+IFNpZ25lZC1vZmYtYnk6IE1vcnRlbiBCcsO4cnVwIDxtYkBzbWFy dHNoYXJlc3lzdGVtcy5jb20+DQo+ID4gLS0tDQo+ID4gIGxpYi9tYnVmL3J0ZV9tYnVmLmMgfCA2 ICsrKy0tLQ0KPiA+ICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9u cygtKQ0KPiA+DQo+ID4gZGlmZiAtLWdpdCBhL2xpYi9tYnVmL3J0ZV9tYnVmLmMgYi9saWIvbWJ1 Zi9ydGVfbWJ1Zi5jDQo+ID4gaW5kZXggMGQ5MzFjN2ExNS4uZTYzOWFmZjAzZSAxMDA2NDQNCj4g PiAtLS0gYS9saWIvbWJ1Zi9ydGVfbWJ1Zi5jDQo+ID4gKysrIGIvbGliL21idWYvcnRlX21idWYu Yw0KPiA+IEBAIC02NzUsNyArNjc1LDcgQEAgcnRlX3BrdG1idWZfY29weShjb25zdCBzdHJ1Y3Qg cnRlX21idWYgKm0sIHN0cnVjdA0KPiA+IHJ0ZV9tZW1wb29sICptcCwNCj4gPiAgCV9fcnRlX21i dWZfc2FuaXR5X2NoZWNrKG0sIDEpOw0KPiA+DQo+ID4gIAkvKiBjaGVjayBmb3IgcmVxdWVzdCB0 byBjb3B5IGF0IG9mZnNldCBwYXN0IGVuZCBvZiBtYnVmICovDQo+ID4gLQlpZiAodW5saWtlbHko b2ZmID49IG0tPnBrdF9sZW4pKQ0KPiA+ICsJaWYgKHVubGlrZWx5KG9mZiA+IG0tPnBrdF9sZW4p KQ0KPiA+ICAJCXJldHVybiBOVUxMOw0KPiA+DQo+ID4gIAltYyA9IHJ0ZV9wa3RtYnVmX2FsbG9j KG1wKTsNCj4gPiBAQCAtNjg4LDggKzY4OCw4IEBAIHJ0ZV9wa3RtYnVmX2NvcHkoY29uc3Qgc3Ry dWN0IHJ0ZV9tYnVmICptLCBzdHJ1Y3QNCj4gPiBydGVfbWVtcG9vbCAqbXAsDQo+ID4NCj4gPiAg CV9fcnRlX3BrdG1idWZfY29weV9oZHIobWMsIG0pOw0KPiA+DQo+ID4gLQkvKiBjb3BpZWQgbWJ1 ZiBpcyBub3QgaW5kaXJlY3Qgb3IgZXh0ZXJuYWwgKi8NCj4gPiAtCW1jLT5vbF9mbGFncyA9IG0t Pm9sX2ZsYWdzICYNCj4gPiB+KFJURV9NQlVGX0ZfSU5ESVJFQ1R8UlRFX01CVUZfRl9FWFRFUk5B TCk7DQo+ID4gKwkvKiBjb3B5IGZsYWdzIGV4Y2VwdCBpbmRpcmVjdCBhbmQgZXh0ZXJuYWwsIGFu ZCBwcmVzZXJ2ZSBmbGFncyBvZg0KPiA+IG5ld2x5IGFsbG9jYXRlZCBtYnVmICovDQo+ID4gKwlt Yy0+b2xfZmxhZ3MgfD0gbS0+b2xfZmxhZ3MgJg0KPiA+IH4oUlRFX01CVUZfRl9JTkRJUkVDVHxS VEVfTUJVRl9GX0VYVEVSTkFMKTsNCj4gPg0KPiA+ICAJcHJldiA9ICZtYy0+bmV4dDsNCj4gPiAg CW1fbGFzdCA9IG1jOw0KPiA+IC0tDQoNCkFja2VkLWJ5OiBLb25zdGFudGluIEFuYW55ZXYgPGtv bnN0YW50aW4uYW5hbnlldkBodWF3ZWkuY29tPg0KDQo+ID4gMi40My4wDQoNCg==