[Xen-devel] Re: HAP Failure with 64Bit Windows 2003

[Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>]

At 11:58 -0500 on 13 Jul (1184327893), Huang2, Wei wrote:
> Yes, I think it is related to the synchronization between vmcb->cr0 and
> cpu_shadow_cr0. Need more investigation... Maybe these two guests do
> internal consistency checking and bail out whenever they find errors.
> Not sure yet.

Just had a look -- our lazy FPU code lets CR0.TS get out of sync with
the guest's one, so you're right, we do need to intercept read-cr0.
I'll revert that change.

Thanks,

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, XenSource UK Limited
Registered office c/o EC2Y 5EB, UK; company number 05334508

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