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To: freebsd-current@freebsd.org, cederom@tlen.pl
Subject: Re: Hardware VM support for Jails
References: <CAFYkXjnqsJQVCyj+5y0GyKFLZpvLX1-YYooHapFV-kC=4XGErw@mail.gmail.com>
Date: Mon, 14 Jan 2013 06:39:12 -0600
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From: Mark Felder <feld@feld.me>
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On Mon, 14 Jan 2013 06:18:34 -0600, <cederom@tlen.pl> wrote:

> Hello :-)
>
> I was wondering if there is a hardware accelerated Jail using
> Virtualization CPU extensions in BSD or everything is done in Kernel
> by software? SUSE is advertising their "light virtualization" (no
> hardware emulation) I was wondering if BSD has this capabilities too
> ;-) What would be benefit for this over Jail?
>

The jails don't need to use these CPU extensions because jails are just  
like running the native OS. There really aren't any abstraction layers  
hindering performance.