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From: "yajun.deng@linux.dev" To: "Cong Wang" Cc: kuba , davem , netdev , linux-kernel Subject: Re: Re: [PATCH net-next] net: socket: add the case sock_no_xxx support References: <20210916122943.19849-1-yajun.deng@linux.dev>, <20210917183311.2db5f332@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>, <87275ec67ed69d077e0265bc01acd8a2@linux.dev>, X-Priority: 3 X-GUID: 5C0D9E54-6F82-4349-80B9-7DF832FCB95A X-Has-Attach: no MIME-Version: 1.0 Message-ID: <202109202028152977817@linux.dev> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: yajun.deng@linux.dev Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTrCoENvbmcgV2FuZwpEYXRlOsKgMjAyMS0wOS0yMMKgMDc6NTIKVG86wqBZYWp1biBEZW5n CkNDOsKgSmFrdWIgS2ljaW5za2k7IERhdmlkIE1pbGxlcjsgTGludXggS2VybmVsIE5ldHdvcmsg RGV2ZWxvcGVyczsgTEtNTApTdWJqZWN0OsKgUmU6IFtQQVRDSCBuZXQtbmV4dF0gbmV0OiBzb2Nr ZXQ6IGFkZCB0aGUgY2FzZSBzb2NrX25vX3h4eCBzdXBwb3J0Ck9uIFNhdCwgU2VwIDE4LCAyMDIx IGF0IDU6MTEgQU0gPHlhanVuLmRlbmdAbGludXguZGV2PiB3cm90ZToKPgo+IFNlcHRlbWJlciAx OCwgMjAyMSA5OjMzIEFNLCAiSmFrdWIgS2ljaW5za2kiIDxrdWJhQGtlcm5lbC5vcmc+IHdyb3Rl Ogo+Cj4gPiBPbiBUaHUsIDE2IFNlcCAyMDIxIDIwOjI5OjQzICswODAwIFlhanVuIERlbmcgd3Jv dGU6Cj4gPgo+ID4+IFRob3NlIHNvY2tfbm9fe21tYXAsIHNvY2tldHBhaXIsIGxpc3RlbiwgYWNj ZXB0LCBjb25uZWN0LCBzaHV0ZG93biwKPiA+PiBzZW5kcGFnZX0gZnVuY3Rpb25zIGFyZSB1c2Vk IG1hbnkgdGltZXMgaW4gc3RydWN0IHByb3RvX29wcywgYnV0IHRoZXkgYXJlCj4gPj4gbWVhbmlu Z2xlc3MuIFNvIHdlIGNhbiBhZGQgdGhlbSBzdXBwb3J0IGluIHNvY2tldCBhbmQgZGVsZXRlIHRo ZW0gaW4gc3RydWN0Cj4gPj4gcHJvdG9fb3BzLgo+ID4KPiA+IFNvIHRoZSByZWFzb24gdG8gZG8g dGhpcyBpcy4uIHdoYXQgZXhhY3RseT8KPiA+Cj4gPiBSZW1vdmluZyBhIGNvdXBsZSBlbXB0eSBo ZWxwZXJzICh3aGljaCBpcyBub3QgZXZlbiBwYXJ0IG9mIHRoaXMgcGF0Y2gpPwo+ID4KPiA+IEkn bSBub3Qgc29sZCwgc29ycnkuCj4KPiBXaGVuIHdlIGRlZmluZSBhIHN0cnVjdCBwcm90b19vcHMg eHh4LCB3ZSBvbmx5IG5lZWQgdG8gYXNzaWduIG1lYW5pbmdmdWwgbWVtYmVyIHZhcmlhYmxlcyB0 aGF0IHdlIG5lZWQuCj4gVGhvc2Uge21tYXAsIHNvY2tldHBhaXIsIGxpc3RlbiwgYWNjZXB0LCBj b25uZWN0LCBzaHV0ZG93biwgc2VuZHBhZ2V9IG1lbWJlcnMgd2UgZG9uJ3QgbmVlZCBhc3NpZ24K PiBpdCBpZiB3ZSBkb24ndCBuZWVkLiBXZSBqdXN0IG5lZWQgZG8gb25jZSBpbiBzb2NrZXQsIG5v dCBpbiBldmVyeSBzdHJ1Y3QgcHJvdG9fb3BzLgo+Cj4gVGhlc2UgbWVtYmVycyBhcmUgYXNzaWdu ZWQgbWVhbmluZ2xlc3MgdmFsdWVzIGZhciBtb3JlIG9mdGVuIHRoYW4gbWVhbmluZ2Z1bCBvbmVz LCBzbyB0aGlzIHBhdGNoIEkgdXNlZCBsaWtlbHkoISFzb2NrLT5vcHMtPnh4eCkgZm9yIHRoaXMg Y2FzZS4gVGhpcyBpcyB0aGUgcmVhc29uIHdoeSBJIHNlbmQgdGhpcyBwYXRjaC4KwqAKQnV0IHlv dSBlbmQgdXAgYWRkaW5nIG1vcmUgY29kZToKwqAKMSBmaWxlIGNoYW5nZWQsIDU4IGluc2VydGlv bnMoKyksIDEzIGRlbGV0aW9ucygtKSAKClllc++8jFRoaXMgd291bGQgYWRkIG1vcmUgY29kZSzC oGJ1dCB0aGlzIGlzIGF0IHRoZSBjb3N0IG9mIHJlZHVjaW5nIG90aGVyIGNvZGVzLsKgQXQgdGhl IHNhbWUgdGltZSwgdGhlIGNvZGUgd2lsbCBvbmx5IHJ1biDCoGxpa2VseSghc29jay0+b3BzLT54 eHgpIGluIG1vc3QgY2FzZXMuIMKgRG9u4oCZdCB5b3UgdGhpbmsgdGhhdCB0aGlzIGtpbmQgb2Yg bWVhbmluZ2xlc3MgdGhpbmcgc2hvdWxkbuKAmXQgYmUgZG9uZSBieSBzb2NrZXQ/CsKgCkkgZG9u J3Qgc2VlIHRoaXMgYXMgYSBnYWluIGZyb20gYW55IHBlcnNwZWN0aXZlLgrCoApUaGFua3Mu