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[209.132.180.67]) by mx.google.com with ESMTP id f16si32337447pgh.309.2019.04.12.04.31.47; Fri, 12 Apr 2019 04:32:03 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727204AbfDLLbL (ORCPT + 99 others); Fri, 12 Apr 2019 07:31:11 -0400 Received: from mout.kundenserver.de ([212.227.126.135]:55241 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727070AbfDLLbL (ORCPT ); Fri, 12 Apr 2019 07:31:11 -0400 Received: from [192.168.1.110] ([77.9.22.14]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MyJx6-1gwGTr2EmK-00ygCY; Fri, 12 Apr 2019 13:31:03 +0200 Subject: Re: [PATCH] tty: Add NULL TTY driver To: Vincent Whitchurch Cc: Greg KH , jslaby@suse.com, linux-kernel@vger.kernel.org References: <20190403113327.3628-1-vincent.whitchurch@axis.com> <20190403131213.GA4246@kroah.com> <20190403141109.3mdmqbt3mjxrie6k@axis.com> <20190405090043.vnsftwpdm56cx2hr@axis.com> <20190411152845.xomzmhtyejzr4r35@axis.com> From: "Enrico Weigelt, metux IT consult" Organization: metux IT consult Message-ID: <44d0b915-f084-e7b1-6e73-51ffed2e1d18@metux.net> Date: Fri, 12 Apr 2019 13:31:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20190411152845.xomzmhtyejzr4r35@axis.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:8rIgG6aHjfmzI5v5ZkRK+1yEYl3q24ScMEXuGkkxeFqHYTL96nJ 6V/sJyAoFCO6EgUhtr7OWo3cPZW+oisxNYjpWJhCMDv7WW7kkaJvtcafkW9+KGOUwJF/SIF PB3miQCMis70EA1u1qg+dtOaVDT49dXvytq7LkHGsaqa0CQwbukX2X4gyDfVVIkE7r2qABC 1lIa8pKhJvzEYUjcHNs0g== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:nUFdakN8IuE=:AIHhO1gbvHG3m8QdSVdFEP ldhs4eYhCag/CKOyoROGJGEBy8TmA8530X+SnPInkZuy+P43aSDUzL5MZiuUFz5+9ulMQjbd6 urXH4kp+d3ZEp0Z0Hu+KYoi1YmgX7fuJJjcBaT2/w4bIVv+AuKQHHajb75DudD1RNl91SSL55 34Eyi7tWg1sJlK3uLCx7+jaIRchL8eX0+vCF5nuaOkJo0D31VVsOtaTHxammCmiQiS/F7M3mb 3AtpzECaC0+sBYYlbGFN3zjKi236nNh1/ULTCQTjgiyqN8YRjmWpyw58xgXMnRCzwbp2R21rY XNkBaI6worWenZmLk9FJ91KbCJ79tvPTTZW7vwmU1SxrsDtlaNZr2f1hwJbEyaw+vB05qfgKp IcS/Ko28dlQ5HtVmiHEtKasMMikRzNGdjIXGg7A2RiO4cEpA02TuMUuFAAA2ZBwb2zHivTL7d bW0JyxcaUYf5OIOqP6aDfD6zzLS2nDkUp5TDUgPfJR7frdf8t7D1+b09Aux1xSx4j31s5zLLL ka9dz/UdJ/pu/gdQVjaCRSwVD+uEnfy01WnyHz9ZZz7S4IhOaI5qIQ8onfyDNknDLTZra2ibH XF3fMIAZyUjbZgWJWP8Dkd0ZIBS59UJjMznPgZ9Jiou61X0j68DzP/21ZuVNgUlMttPjLXFw/ wicMP+5QRn7sawlPdwWLRrBauhunWTRjcr1viGtaxBOWtOnJjk0Qj2WrX6G/3+y1A2JPq2rJj gfxb0S/lQy99+SPMalT82djI5P33kE2yz/ZVI32OYEB8m9qBMmXie4wYcT0= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11.04.19 17:28, Vincent Whitchurch wrote: >> hmm, wo (which programs) do you need, that really need them ?> > I think it was systemd's debug-shell which complained about the ioctls. Okay, why not fixing this broken userland ? systemd is written by somebody who doesn't even know the semantics of rm -R (as specified by unix standard since many decades) and so causing funny things like complete disk wipe: https://github.com/systemd/systemd/issues/5644 In the last 25 years, I've always been fine w/ just redirecting to /dev/null. --mtx -- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287