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Date:      Thu, 29 Mar 2007 19:36:34 +0200
From:      Ivan Voras <ivoras@fer.hr>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Xen Dom0, are we making progress?
Message-ID:  <460BF922.4050604@fer.hr>
In-Reply-To: <200703291722.l2THM225092894@apollo.backplane.com>
References:  <395450.751174710071770.JavaMail.root@ly.sdf.com> <200703291722.l2THM225092894@apollo.backplane.com>

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Matthew Dillon wrote:

>     In anycase, as usual I rattle on.  If FreeBSD is interested I recom=
mend
>     simply looking at the cool features I added to DragonFly's kernel t=
o
>     make virtual kernels possible.  It's really just three major items:=

>     Signal mailboxes, a new MAP_VPAGETABLE for mmap, and the new vmspac=
e_*()
>     system calls for managing VM spaces.  Once those features were in p=
lace
>     it didn't take long for me to create a 'vkernel' platform that link=
ed
>     against libc and used the new system calls.

Virtual kernels are a cool idea, but I (and I believe practically anyone
using FreeBSD for non-development work) would much rather see a Xen-like
functionality (to be precise: ability to run foreign kernels and
Windows; qemu is too slow) than just a variation of the native kernel.


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