Xen devel - Aug 2008 - Re: ANNOUNCE: Xen 3.3.0 released! (Keir Fraser)

Sorry, maybe a stupid question.
Xen 3.3.0 has a new feature:
- HVM emulation domains ('qemu-on-minios') for better scalability,
performance and security.
 
Does that mean we can create multiple HVM domains to run unmodified ARM os on an
X86 server using Xen3.3?

 
 



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steedhorse@163.net, le Wed 27 Aug 2008 17:29:45 +0800, a écrit
:
> Xen 3.3.0 has a new feature:
> 
> - HVM emulation domains (''qemu-on-minios'') for better
scalability,
> performance and security.
> 
>  
> 
> Does that mean we can create multiple HVM domains to run unmodified ARM os
on
> an X86 server using Xen3.3?
No.  Xen''s only CPU emulation code is for 16bit realmode x86.

Samuel

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No.
 
An ioemu (the device emulator of HVM guest) can run in Dom0.
 
An ioemu can also run in a per-hvm-domain stubdomain (namely, the "HVM
emulation domain").
Stubdomain is a very small domain running mini-os.
In this way, we can achieve "a better scalability, performance and
security...".
 
The architectures of ARM and x86 are different. Unmodified ARM guest
can''t run on x86 Xen.

-- Dexuan


________________________________

From: xen-devel-bounces@lists.xensource.com
[mailto:xen-devel-bounces@lists.xensource.com] On Behalf Of steedhorse@163.net
Sent: 2008年8月27日 17:30
To: xen-devel@lists.xensource.com
Subject: [Xen-devel] Re: ANNOUNCE: Xen 3.3.0 released! (Keir Fraser)



Sorry, maybe a stupid question.

Xen 3.3.0 has a new feature:

- HVM emulation domains (''qemu-on-minios'') for better
scalability,
performance and security.

 

Does that mean we can create multiple HVM domains to run unmodified ARM os on an
X86 server using Xen3.3?


	 








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Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel

No, but cross-architecture support for virtual machines under Xen has been
explored for x86 on Itanium, so (with a large amount of work... want
to volunteer?) ARM on x86 might be possible.  See:

http://www.hpl.hp.com/techreports/2007/HPL-2007-77.html

-----Original Message-----
From: steedhorse@163.net [mailto:steedhorse@163.net]
Sent: Wednesday, August 27, 2008 3:30 AM
To: xen-devel@lists.xensource.com
Subject: [Xen-devel] Re: ANNOUNCE: Xen 3.3.0 released! (Keir Fraser)


Sorry, maybe a stupid question.
Xen 3.3.0 has a new feature:
- HVM emulation domains (''qemu-on-minios'') for better
scalability,
performance and security.

Does that mean we can create multiple HVM domains to run unmodified ARM os on an
X86 server using Xen3.3?

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel