All of lore.kernel.org
 help / color / mirror / Atom feed
From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
To: Laurent Vivier <laurent@vivier.eu>,
	Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>,
	linux-rtc@vger.kernel.org,
	Alessandro Zummo <a.zummo@towertech.it>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>
Subject: Re: [PATCH 2/2] m68k: introduce a virtual m68k machine
Date: Thu, 30 Sep 2021 23:14:50 +0200	[thread overview]
Message-ID: <506fe100-04b6-e465-f4b8-bae58ab505ac@physik.fu-berlin.de> (raw)
In-Reply-To: <90ab81cd-0d83-9537-b7d8-40e4bffa152e@vivier.eu>

Hi!

On 9/30/21 23:11, Laurent Vivier wrote:
>>> --- a/arch/m68k/Kconfig.machine
>>> +++ b/arch/m68k/Kconfig.machine
>>> @@ -145,6 +145,23 @@ config SUN3
>>>
>>>           If you don't want to compile a kernel exclusively for a Sun 3, say N.
>>>
>>> +config VIRT
>>> +       bool "Virtual M68k Machine support"
>>> +       depends on MMU
>>> +       select MMU_MOTOROLA if MMU
>>> +       select M68040
>>> +       select LEGACY_TIMER_TICK
>>
>> Can we avoid selecting this for a new platform?
>>
> 
> I tried but I was not able to have a working scheduler.
> 
> As the machine has been tested with this option and most of the other m68k machines uses it, I will
> keep it.

FWIW, the VM in its current form works very well and reliable and has been
in use as a Debian porterbox for almost a year now without any issues.

root@mitchy:~# uname -a
Linux mitchy 5.10.0-rc1-183617-gd7f4e16357f6 #1 Mon Nov 2 12:06:55 CET 2020 m68k GNU/Linux
root@mitchy:~# uptime
 23:13:47 up 332 days, 10:04,  1 user,  load average: 0.08, 0.05, 0.06
root@mitchy:~#

Would be great if we could get this feature added upstream so I can enable
this kernel configuration in Debian.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913


  reply	other threads:[~2021-09-30 21:14 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-23 22:14 [PATCH 0/2] m68k: Add Virtual M68k Machine Laurent Vivier
2021-03-23 22:14 ` [PATCH 1/2] rtc: goldfish: remove dependency to OF Laurent Vivier
2021-03-23 22:14 ` [PATCH 2/2] m68k: introduce a virtual m68k machine Laurent Vivier
2021-04-27 17:20   ` Laurent Vivier
2021-04-28 12:07     ` Geert Uytterhoeven
2021-04-28 12:15       ` Laurent Vivier
2021-09-30 20:56         ` John Paul Adrian Glaubitz
2021-09-30 21:01           ` Laurent Vivier
2021-10-01  1:08             ` Finn Thain
2021-04-28 12:04   ` Geert Uytterhoeven
2021-04-28 23:06     ` Josh Juran
2021-04-29  7:23       ` Geert Uytterhoeven
2021-09-30 21:11     ` Laurent Vivier
2021-09-30 21:14       ` John Paul Adrian Glaubitz [this message]
2021-04-16 20:26 ` [PATCH 0/2] m68k: Add Virtual M68k Machine Alexandre Belloni
2021-04-16 20:34   ` Alexandre Belloni

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=506fe100-04b6-e465-f4b8-bae58ab505ac@physik.fu-berlin.de \
    --to=glaubitz@physik.fu-berlin.de \
    --cc=a.zummo@towertech.it \
    --cc=alexandre.belloni@bootlin.com \
    --cc=geert@linux-m68k.org \
    --cc=laurent@vivier.eu \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-m68k@lists.linux-m68k.org \
    --cc=linux-rtc@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.