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Re: [Xen-devel] A simple question of CPU emulation in Xen
- To: MaoXiaoyun <tinnycloud@xxxxxxxxxxx>
- From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
- Date: Fri, 13 May 2011 15:51:10 +0100
- Cc: xen devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
- Delivery-date: Fri, 13 May 2011 07:50:32 -0700
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- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
On Fri, 13 May 2011 22:41:44 +0800
MaoXiaoyun <tinnycloud@xxxxxxxxxxx> wrote:
>
> Hi :
>
> I have a simple question on CPU emulation in Xen.
>
> Currently, inside guest, we can see that the CPU information incluing
> types and frequency is exactly
> same as physical CPU. Is it possible for Xen(or qemu) to emulate a different
> type of CPU. That is inside
> guest, we see a different CPU types?
Qemu supports a huge range of CPU and platform emulations, www.qemu.org.
Most of this falls outside of Xen as Qemu doesn't need or benefit from
Xen or KVM when doing cross cpu emulation.
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