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Re: A small patch for the Hurd Reference Manual

From: Olaf Buddenhagen
Subject: Re: A small patch for the Hurd Reference Manual
Date: Sat, 26 Sep 2015 15:24:43 +0200
User-agent: Mutt/1.5.23 (2014-03-12)


On Fri, Sep 25, 2015 at 01:52:25PM -0400, Joshua Branson wrote:

> diff --git a/.gitignore b/.gitignore
> deleted file mode 100644

Not sure what happened to your .gitignore -- but you definitely don't
want this in the patch :-)

> +Note that it is impossible to share microkernel devices between
> +two running Hurds.  If you do not know what you are doing, this could
> +cause serious harm.  For example, two hurds with two filesystems
> +writing to the same partition will wreak havoc.  In the same way, two
> +hurds reading from the same terminal device will not share nicely.

It probably should be mentioned though that sharing *is* possible for
network devices. The different pfinet instances will just pick the
packets applying to them, based on IP.

There is also a "proper" user-space multiplexer for network devices now,
called eth-multiplexer. This is only needed though if you also want to
allow network traffic between the Hurd instances uning the device in
question, rather than just each of them communicating with other

> +When you're finished testing your new Hurd, then you can run the
> +@command{halt} or @command{reboot} programs to return control to the
> +parent Hurd.

I don't think this really belongs here?...


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