From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A731C433EF for ; Mon, 4 Oct 2021 04:27:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 569B56126A for ; Mon, 4 Oct 2021 04:27:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230467AbhJDE30 (ORCPT ); Mon, 4 Oct 2021 00:29:26 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:24218 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230193AbhJDE30 (ORCPT ); Mon, 4 Oct 2021 00:29:26 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4HN72j45xWz8tZV; Mon, 4 Oct 2021 12:26:37 +0800 (CST) Received: from dggema772-chm.china.huawei.com (10.1.198.214) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2308.8; Mon, 4 Oct 2021 12:27:34 +0800 Received: from dggema772-chm.china.huawei.com (10.1.198.214) by dggema772-chm.china.huawei.com (10.1.198.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.8; Mon, 4 Oct 2021 12:27:34 +0800 Received: from dggema772-chm.china.huawei.com ([10.9.128.138]) by dggema772-chm.china.huawei.com ([10.9.128.138]) with mapi id 15.01.2308.008; Mon, 4 Oct 2021 12:27:34 +0800 From: "liujian (CE)" To: John Fastabend , "daniel@iogearbox.net" , "jakub@cloudflare.com" , "lmb@cloudflare.com" , "davem@davemloft.net" , "kuba@kernel.org" , "ast@kernel.org" , "andrii@kernel.org" , "kafai@fb.com" , "songliubraving@fb.com" , "yhs@fb.com" , "kpsingh@kernel.org" , "netdev@vger.kernel.org" , "bpf@vger.kernel.org" , "xiyou.wangcong@gmail.com" Subject: RE: [PATCH v4] skmsg: lose offset info in sk_psock_skb_ingress Thread-Topic: [PATCH v4] skmsg: lose offset info in sk_psock_skb_ingress Thread-Index: AQHXtNafWXeoX8LX90u02UwkM3/EjKu8qsUAgAWaNgA= Date: Mon, 4 Oct 2021 04:27:34 +0000 Message-ID: References: <20210929020642.206454-1-liujian56@huawei.com> <61563ebaf2fe0_6c4e420813@john-XPS-13-9370.notmuch> In-Reply-To: <61563ebaf2fe0_6c4e420813@john-XPS-13-9370.notmuch> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.176.93] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogSm9obiBGYXN0YWJlbmQg W21haWx0bzpqb2huLmZhc3RhYmVuZEBnbWFpbC5jb21dDQo+IFNlbnQ6IEZyaWRheSwgT2N0b2Jl ciAxLCAyMDIxIDY6NDggQU0NCj4gVG86IGxpdWppYW4gKENFKSA8bGl1amlhbjU2QGh1YXdlaS5j b20+OyBqb2huLmZhc3RhYmVuZEBnbWFpbC5jb207DQo+IGRhbmllbEBpb2dlYXJib3gubmV0OyBq YWt1YkBjbG91ZGZsYXJlLmNvbTsgbG1iQGNsb3VkZmxhcmUuY29tOw0KPiBkYXZlbUBkYXZlbWxv ZnQubmV0OyBrdWJhQGtlcm5lbC5vcmc7IGFzdEBrZXJuZWwub3JnOw0KPiBhbmRyaWlAa2VybmVs Lm9yZzsga2FmYWlAZmIuY29tOyBzb25nbGl1YnJhdmluZ0BmYi5jb207IHloc0BmYi5jb207DQo+ IGtwc2luZ2hAa2VybmVsLm9yZzsgbmV0ZGV2QHZnZXIua2VybmVsLm9yZzsgYnBmQHZnZXIua2Vy bmVsLm9yZzsNCj4geGl5b3Uud2FuZ2NvbmdAZ21haWwuY29tDQo+IENjOiBsaXVqaWFuIChDRSkg PGxpdWppYW41NkBodWF3ZWkuY29tPg0KPiBTdWJqZWN0OiBSRTogW1BBVENIIHY0XSBza21zZzog bG9zZSBvZmZzZXQgaW5mbyBpbiBza19wc29ja19za2JfaW5ncmVzcw0KPg0KPiBMaXUgSmlhbiB3 cm90ZToNCj4gPiBJZiBzb2NrbWFwIGVuYWJsZSBzdHJwYXJzZXIsIHRoZXJlIGFyZSBsb3NlIG9m ZnNldCBpbmZvIGluDQo+ID4gc2tfcHNvY2tfc2tiX2luZ3Jlc3MuIElmIHRoZSBsZW5ndGggZGV0 ZXJtaW5lZCBieSBwYXJzZV9tc2cgZnVuY3Rpb24NCj4gPiBpcyBub3Qgc2tiLT5sZW4sIHRoZSBz a2Igd2lsbCBiZSBjb252ZXJ0ZWQgdG8gc2tfbXNnIG11bHRpcGxlIHRpbWVzLA0KPiA+IGFuZCB1 c2Vyc3BhY2UgYXBwIHdpbGwgZ2V0IHRoZSBkYXRhIG11bHRpcGxlIHRpbWVzLg0KPiA+DQo+ID4g Rml4IHRoaXMgYnkgZ2V0IHRoZSBvZmZzZXQgYW5kIGxlbmd0aCBmcm9tIHN0cnBfbXNnLg0KPiA+ IEFuZCBhcyBDb25nIHN1Z2dlc3Rpb24sIGFkZCBvbmUgYml0IGluIHNrYi0+X3NrX3JlZGlyIHRv IGRpc3Rpbmd1aXNoDQo+ID4gZW5hYmxlIG9yIGRpc2FibGUgc3RycGFyc2VyLg0KPiA+DQo+ID4g U2lnbmVkLW9mZi1ieTogTGl1IEppYW4gPGxpdWppYW41NkBodWF3ZWkuY29tPg0KPiA+IC0tLQ0K Pg0KPiBUaGFua3MuIFBsZWFzZSBhZGQgRml4ZXMgdGFncyBzbyB3ZSBjYW4gdHJhY2sgdGhlc2Ug SSd2ZSBhZGRlZCBpdCBoZXJlLg0KPg0KPiBUaGlzIGhhcyBiZWVuIGJyb2tlbiBmcm9tIHRoZSBp bml0aWFsIHBhdGNoZXMgYW5kIGFmdGVyIGEgcXVpY2sgZ2xhbmNlIEkNCj4gc3VzcGVjdCB0aGlz IHdpbGwgbmVlZCBtYW51YWwgYmFja3BvcnRzIGlmIHdlIG5lZWQgaXQuIEFsc28gYWxsIHRoZSBJ IHVzZSBhbmQgYWxsDQo+IHRoZSBzZWxmdGVzdHMgc2V0IHBhcnNlciB0byBhIG5vcCBieSByZXR1 cm5pbmcgc2tiLT5sZW4uDQo+DQo+IENhbiB5b3UgYWxzbyBjcmVhdGUgYSB0ZXN0IHNvIHdlIGNh biBlbnN1cmUgd2UgZG9uJ3QgYnJlYWsgdGhpcyBhZ2Fpbj8NCk9rYXksIEkgd2lsbCBkbyB0aGlz IGFmdGVyIHRoZSBob2xpZGF5Lg0KPg0KPiBGaXhlczogNjA0MzI2YjQxYTZmYiAoImJwZiwgc29j a21hcDogY29udmVydCB0byBnZW5lcmljIHNrX21zZyBpbnRlcmZhY2UiKQ0KPiBBY2tlZC1ieTog Sm9obiBGYXN0YWJlbmQgPGpvaG4uZmFzdGFiZW5kQGdtYWlsLmNvbT4NClRoYW5rIHlvdSBmb3Ig cmV2aWV3aW5nIHRoaXMgcGF0Y2ggYWdhaW4uDQo=