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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FFCAC4646B for ; Wed, 20 Jan 2021 23:42:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EA34D23603 for ; Wed, 20 Jan 2021 23:42:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389641AbhATWi5 (ORCPT ); Wed, 20 Jan 2021 17:38:57 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.85.151]:49356 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733236AbhATW1k (ORCPT ); Wed, 20 Jan 2021 17:27:40 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-48-DiN8dlsEO2SkM7vhnYMaMA-1; Wed, 20 Jan 2021 22:25:58 +0000 X-MC-Unique: DiN8dlsEO2SkM7vhnYMaMA-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 20 Jan 2021 22:25:56 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Wed, 20 Jan 2021 22:25:56 +0000 From: David Laight To: 'Linus Torvalds' , Al Viro CC: Christoph Hellwig , Johannes Berg , Oliver Giles , Linux Kernel Mailing List , Greg Kroah-Hartman Subject: RE: Splicing to/from a tty Thread-Topic: Splicing to/from a tty Thread-Index: AQHW72ODm/V94rBWlE2o2nAONgRsB6oxFjPA Date: Wed, 20 Jan 2021 22:25:56 +0000 Message-ID: <29625ab9f4f94b84aacf96ad9b5da828@AcuMS.aculab.com> References: <20210118085311.GA2735@lst.de> <20210118193457.GA736435@zeniv-ca> <20210118195400.GC736435@zeniv-ca> <20210120162608.GB740243@zeniv-ca> <20210120191116.GC740243@zeniv-ca> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogTGludXMgVG9ydmFsZHMNCj4gU2VudDogMjAgSmFudWFyeSAyMDIxIDE5OjI3DQo+IE9u IFdlZCwgSmFuIDIwLCAyMDIxIGF0IDExOjExIEFNIEFsIFZpcm8gPHZpcm9AemVuaXYubGludXgu b3JnLnVrPiB3cm90ZToNCj4gPg0KPiA+IFdoeSBkbyB3ZSBjYXJlIGFib3V0IE9fQVBQRU5EIG9u IGFueXRoaW5nIHdpdGhvdXQgRk1PREVfUFdSSVRFIChpbmNsdWRpbmcNCj4gPiBwaXBlcyksIGFu eXdheT8gIEFsbCB3cml0ZXMgdGhlcmUgaWdub3JlIHBvc2l0aW9uLCBhZnRlciBhbGwuLi4NCj4g DQo+IFdlIHNob3VsZG4ndCBjYXJlLg0KPiANCj4gQWxzbywgSSB0aGluayB3ZSBzaG91bGQgdHJ5 IHRvIG1vdmUgYXdheSBmcm9tIEZNT0RFX1BXUklURS9QUkVBRA0KPiBlbnRpcmVseSwgYW5kIHVz ZSBGTU9ERV9TVFJFQU0gYXMgdGhlIHByaW1hcnkgInRoaXMgdGhpbmcgZG9lc24ndCBoYXZlDQo+ IGEgcG9zaXRpb24gYXQgYWxsIi4NCj4gDQo+IFRoYXQncyB3aGF0IGdldHMgcmlkIG9mIGFsbCB0 aGUgZl9wb3MgbG9ja2luZyBldGMgYWZ0ZXIgYWxsLiBUaGUNCj4gRk1PREVfUFdSSVRFL1BSRUFE IGZsYWdzIGFyZSBJIHRoaW5rIGxlZ2FjeSAoYWx0aG91Z2ggd2UgZG8gc2VlbSB0bw0KPiBoYXZl IHRoZSBzZXFfZmlsZSBjYXNlIHRoYXQgbm9ybWFsbHkgYWxsb3dzIHBvc2l0aW9uIG9uIHJlYWRz LCBidXQgbm90DQo+IG9uIHdyaXRlcywgc28gd2UgbWF5IG5lZWQgdG8ga2VlcCBhbGwgdGhyZWUg Yml0cykuDQo+IA0KPiBBbnl3YXksIEkgdGhpbmsgdGhhdCB3aXRoIEZNT0RFX1NUUkVBTSwgT19B UFBFTkQgZGVmaW5pdGVseSBzaG91bGQgYmUgYSBuby1vcC4NCg0KSSBhbHNvIHdvbmRlciBpZiBw cmVhZC9wd3JpdGUgd2l0aCBvZmZzZXQgPT0gMCBzaG91bGQgYmUgdmFsaWQNCm9uIHRoaW5ncyB3 aGVyZSB0aGUgb2Zmc2V0IG1ha2VzIG5vIHNlbnNlLg0KDQpJJ20gcmF0aGVyIHN1cnByaXNlZCB0 aGUgb2Zmc2V0IGlzbid0IGp1c3Qgc2lsZW50bHkgaWdub3JlZA0KZm9yIGRldmljZXMgd2hlcmUg c2Vla2luZyBpcyBub24tc2Vuc2ljYWwuDQpZb3UgbWlnaHQgd2FudCB0byBlcnJvciBpdCBmb3Ig bWFnIHRhcGVzLCBidXQgbm90IHBpcGVzLA0KdHR5cywgc29ja2V0cyBldGMuDQoNCkkgcmVhbGx5 IGNhbid0IHJlbWVtYmVyIHdoYXQgU1lTViwgU29sYXJpcyBvciBOZXRCU0QgZG8uDQoNCglEYXZp ZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQg RmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4 NiAoV2FsZXMpDQo=