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Date: Mon, 8 Dec 2008 20:22:16 +0100
From: "Ivan Voras" <ivoras@gmail.com>
To: "Jung-uk Kim" <jkim@freebsd.org>
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References: <200812081839.mB8IdxbT067657@svn.freebsd.org>
	<9bbcef730812081101o52905c4ak56acfb784bd58d16@mail.gmail.com>
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org
Subject: Re: svn commit: r185772 - head/sys/kern
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2008/12/8 Ivan Voras <ivoras@gmail.com>:
> Hi,
>
> How about introducing a read-only sysctl, something like kern.in_vm
> that would be
>
> 0 : none detected / as far as we can tell we're on bare metal
> 1 : if detect_virtual() returns 1
> 2 : Xen dom-U
> 3, etc... for future use, like VMWare VMI, etc.
>
> ?
>
> (of course, for symmetry, if we ever support any hosting for full
> virtualization, another sysctl might be introduced as a bitmap :) ).

Patch suggested:
http://people.freebsd.org/~ivoras/diffs/subr_param.c.diff.txt