Re: ANNOUNCE: Xen 3.3.0 released! (Keir Fraser)

Re: ANNOUNCE: Xen 3.3.0 released! (Keir Fraser)

[steedhorse]

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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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Re: Re: ANNOUNCE: Xen 3.3.0 released! (Keir Fraser)

[Samuel Thibault]

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

RE: Re: ANNOUNCE: Xen 3.3.0 released! (Keir Fraser)

[Cui, Dexuan]

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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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RE: Re: ANNOUNCE: Xen 3.3.0 released! (Keir Fraser)

[Daniel Magenheimer]

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?