Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp341211pxb; Thu, 5 Nov 2020 01:12:30 -0800 (PST) X-Google-Smtp-Source: ABdhPJwy/ebEL7Gf5ZLHWn0eshHvBieNeOl9q8EsHVKLlDw3yNRjUefOw9y2t4I/aohTj7fPIRg+ X-Received: by 2002:aa7:df81:: with SMTP id b1mr1478070edy.365.1604567550560; Thu, 05 Nov 2020 01:12:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1604567550; cv=none; d=google.com; s=arc-20160816; b=OsPSj+ngRnmoTV8+8qliLqGpl37QfgsSLihPNwrMYJ+D7zw1uUnBG444jTKqJjyf94 a37KsLotwjiW9cAIR/LbajScz6FX5BPSPXmsc7fMnaLjLbqY7+Y4GFUnfP6Vayc8aYbJ 2oIiHDqneSKB83R/bKqp4n7V2pLwC+q4lnE/z9aUnOgbdjl+99RpMWZXp9Dq6hFmHcCu slnrWficMqDbLcYY1uowkkR8YLcvID+50108iTzaBP3hCOlqTcoUNCiKZRPDSMUM74KA qZyhjKRzRRLdFmB33X1nucjipi3e7tLrN5A/rtHL5xIeINyABIgfm+QEqH9pgyLqeO2C Sv9w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :mime-version:accept-language:in-reply-to:references:message-id:date :thread-index:thread-topic:subject:to:from; bh=XdmNfqXzbYGO9IxOiCfV5MUFKcIkNRn6N2u4noIOZVE=; b=rHxPW/lrvbByRKXTX94LIJU8FMrN4SLxTuuaCUOKuqWWCeOOZBkQ8cxpMHnVILgm0y ogo3FPnAXjvMsWQSA+Frp/Gn1roDqElr8HwGrid6ncXuqGYw6EIaetV3C7D/bZs6HgVr y3nOH+iG4vNLYfDD4/6Alt+3hrpg/XnAMyD/+hLAbTjezqswEwJzLA+5jS9wj4Wt6vCa YhFJRTSYr0kKeukubORspSENG4CMC5t1JNPawTSJeVboCH6xVzesZAGEVjcKqxTO+dm9 iPa0Rqph7N/q3j/xIOIcN+8BSjkU0QdOJ7GLgAz9D/YT6NqGNIVcSimOE5EtZ9u7PB+B JsVA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id bx4si660667edb.505.2020.11.05.01.12.08; Thu, 05 Nov 2020 01:12:30 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730570AbgKEJKO convert rfc822-to-8bit (ORCPT + 99 others); Thu, 5 Nov 2020 04:10:14 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:31164 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730368AbgKEJKO (ORCPT ); Thu, 5 Nov 2020 04:10:14 -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-36-lTFCWq8_NQCw4aZKrI50dQ-1; Thu, 05 Nov 2020 09:10:10 +0000 X-MC-Unique: lTFCWq8_NQCw4aZKrI50dQ-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; Thu, 5 Nov 2020 09:10:04 +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; Thu, 5 Nov 2020 09:10:04 +0000 From: David Laight To: 'Xie He' , Jakub Kicinski , "David S. Miller" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Arnd Bergmann Subject: RE: [PATCH net-next] net: x25_asy: Delete the x25_asy driver Thread-Topic: [PATCH net-next] net: x25_asy: Delete the x25_asy driver Thread-Index: AQHWs0YkvDVQKZzs2ECZM+crj0xbk6m5Pz0w Date: Thu, 5 Nov 2020 09:10:04 +0000 Message-ID: <1d7f669ba4e444f1b35184264e5da601@AcuMS.aculab.com> References: <20201105073434.429307-1-xie.he.0141@gmail.com> In-Reply-To: <20201105073434.429307-1-xie.he.0141@gmail.com> 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: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Xie He > Sent: 05 November 2020 07:35 > > This driver transports LAPB (X.25 link layer) frames over TTY links. I don't remember any requests to run LAPB over anything other than synchronous links when I was writing LAPB implementation(s) back in the mid 1980's. If you need to run 'comms over async uart links' there are better options. I wonder what the actual use case was? David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)