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From: Chris Hanson <cmhanson@eschatologist.net>
To: Grant Taylor <gtaylor@tnetconsulting.net>,
	Grant Taylor via TUHS <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] Pre-init initialization
Date: Fri, 9 Aug 2019 18:45:41 -0700
Message-ID: <88A08A53-33F2-4630-B39D-30316AD10D10@eschatologist.net> (raw)
In-Reply-To: <7236c9d4-40af-bc49-8aee-5c32d869d2eb@spamtrap.tnetconsulting.net>

On Aug 6, 2019, at 4:46 PM, Grant Taylor via TUHS <tuhs@minnie.tuhs.org> wrote:
> 
> Do, or did, anything other than Linux use a concept of an initramfs / initrd to create a pre-(main)-init initialization environment to prepare the system to execute the (main)-init process?

Mach-based UNIX systems (can) have a Mach init that’s separate from UNIX pid 1 init.

When using a non-colocated UNIX subsystem (like the BSD Single Server) I think I recall that’s how the UNIX subsystem is started, along with other Mach tasks like the port name server.

  -- Chris



      parent reply index

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-06 23:46 Grant Taylor via TUHS
2019-08-07  1:22 ` Andrew Warkentin
2019-08-07 13:04 ` Clem Cole
2019-08-07 16:40   ` Warner Losh
2019-08-08 13:31     ` Theodore Y. Ts'o
2019-08-09  1:52       ` Grant Taylor via TUHS
2019-08-10  0:23         ` Theodore Y. Ts'o
2019-08-10  2:28           ` Grant Taylor via TUHS
2019-08-10  4:21             ` Kevin Bowling
2019-08-10  4:50               ` Grant Taylor via TUHS
2019-08-10  4:52               ` Adam Thornton
2019-08-08 13:43     ` Clem Cole
2019-08-08 18:59       ` Warner Losh
2019-08-09  1:46   ` Grant Taylor via TUHS
2019-08-09  2:15     ` Warner Losh
2019-08-09  6:43       ` Kevin Bowling
2019-08-10  1:45 ` Chris Hanson [this message]

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