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Re: [Xen-devel] Windows SMP

On 31/12/2008 10:08, "Andrew Lyon" <andrew.lyon@xxxxxxxxx> wrote:

> Thanks Keir, I added a couple of printk's as you suggested and I can
> now see if the feature is supported:
> Intel(R) Xeon(R) CPU           E5420  @ 2.50GHz = (XEN) APIC Access
> virtualized
> Intel(R) Core(TM)2 CPU          6600  @ 2.40GHz = (XEN) APIC Access emulated
> I didnt expect my Xeon system to support it, I've read some pdf's
> about Intel virtualizaton features and they seemed to suggest it was a
> new feature on 7xxx Xeons.
> The results fit the performance I've seen, a windows xp 32 bit hvm
> with 2 cpu's runs a lot faster on the Xeon 2.5 than on the Core 2.4.

I think it is probably worth printing out. I'll add a patch to xen-unstable.


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