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Date:   Fri, 12 Apr 2019 13:12:05 +0000
From:   "Adamski, Krzysztof (Nokia - PL/Wroclaw)" 
        <krzysztof.adamski@...ia.com>
To:     "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
CC:     Vincent Whitchurch <vincent.whitchurch@...s.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        "jslaby@...e.com" <jslaby@...e.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tty: Add NULL TTY driver

On Fri, Apr 12, 2019 at 01:40:56PM +0200, Enrico Weigelt, metux IT consult wrote:
>On 12.04.19 09:30, Adamski, Krzysztof (Nokia - PL/Wroclaw) wrote:
>
>> Well, that depends. If the program doing those writes expects /dev/console
>> to be a tty device, then it cannot be any file.
>
>According to Vincent's mail, the actual problem is just systemd.
>Changing the kernel just for making one specific userland program
>(which happens to be written by somebody, who even doesn't know the
>semantics of rm -R) happy, sounds pretty strange for me.
>
>I'm not opposed to the general idea of having a dummy tty driver,
>but please for some actually sane usecases, not just working around
>broken userland :p

I don't want to start a flame but if that userspace would be written by
somebody else, would that change anything? :) Anyways, historically we
did not have many convinence usitlities in the kernel and now we do. So
does the fact that "this might be convinient but is not strictly
necessary" a blocker to get something into the kernel?

Krzysztof

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