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Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for embedded systems

From Andy Shevchenko <andy.shevchenko@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for embedded systems
Date 2017-04-03 10:00 +0200
Message-ID <ts546-3XB-25@gated-at.bofh.it> (permalink)
References <trzGW-gn-3@gated-at.bofh.it> <trUBJ-5rN-53@gated-at.bofh.it> <trVxM-6aX-7@gated-at.bofh.it>
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On Mon, Apr 3, 2017 at 12:41 AM, Nicolas Pitre <nicolas.pitre@linaro.org> wrote:
> On Sun, 2 Apr 2017, Andi Kleen wrote:
>> No PTYs seems like a big limitation. This means no sshd?

> Again, my ultimate system target is in the sub-megabyte of RAM.  I
> really doubt you'll be able to fit an SSH server in there even if PTYs
> were supported, unless sshd (or dropbear) can be made really tiny.

Are you sure you need Linux there? There is a nice Zephyr project
(OpenSource RTOS, POSIX compatible) exactly for microcontrollers.

While I can agree on making Linux stuff less fatty, I can't agree on
doing this way. We have for now two subsystems to serve for serial
devices, you are proposing third one for only narrow class of devices.
From my point of view is better to achive your goal with existing
system (as a proof of concept maybe even with ugly #ifdef:fery).

-- 
With Best Regards,
Andy Shevchenko

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Thread

[PATCH v2 0/5] minitty: a minimal TTY layer alternative for embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-02 00:40 +0200
  Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-04-02 15:30 +0200
    Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-02 18:00 +0200
      Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Alan Cox <alan@linux.intel.com> - 2017-04-03 15:00 +0200
        Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-03 18:10 +0200
          Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Alan Cox <alan@linux.intel.com> - 2017-04-03 20:10 +0200
            Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-03 22:00 +0200
              Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Alan Cox <alan@linux.intel.com> - 2017-04-04 15:50 +0200
                Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-04 21:30 +0200
  Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for embedded systems Andi Kleen <andi@firstfloor.org> - 2017-04-02 22:50 +0200
    Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-02 23:50 +0200
      Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Stuart Longland <stuartl@longlandclan.id.au> - 2017-04-03 01:00 +0200
        Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-03 03:10 +0200
          Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Stuart Longland <stuartl@longlandclan.id.au> - 2017-04-04 02:50 +0200
        Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Geert Uytterhoeven <geert@linux-m68k.org> - 2017-04-03 20:20 +0200
          Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Rob Herring <robh@kernel.org> - 2017-04-03 21:00 +0200
            Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Geert Uytterhoeven <geert@linux-m68k.org> - 2017-04-03 21:50 +0200
          Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-04-03 23:10 +0200
            Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Tom Zanussi <tom.zanussi@linux.intel.com> - 2017-04-04 19:00 +0200
              Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-04-04 19:10 +0200
                Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Tom Zanussi <tom.zanussi@linux.intel.com> - 2017-04-04 20:00 +0200
                Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-04-04 20:10 +0200
                Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-04 20:40 +0200
                Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Tom Zanussi <tom.zanussi@linux.intel.com> - 2017-04-04 22:00 +0200
                Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-04 22:30 +0200
              Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-04 21:00 +0200
      Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-04-03 10:00 +0200
        Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Andi Kleen <andi@firstfloor.org> - 2017-04-03 17:40 +0200
          Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-03 19:30 +0200
          Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Adam Borowski <kilobyte@angband.pl> - 2017-04-03 22:00 +0200
            Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-03 22:10 +0200
              Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Adam Borowski <kilobyte@angband.pl> - 2017-04-03 22:40 +0200
        Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Nicolas Pitre <nicolas.pitre@linaro.org> - 2017-04-03 18:50 +0200
  Re: [PATCH v2 0/5] minitty: a minimal TTY layer alternative for  embedded systems Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-04-03 09:50 +0200

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