Re: [Qemu-devel] Prohibit Windows from running in QEMU

[Paolo Bonzini]

Il 29/10/2013 11:40, Peter Lieven ha scritto:
>>>
>> The KVM signature should be at CPUID leaf 0x40000100.
> If I enable hyperv for all vServers the signature is at
> KVM_CPUID_SIGNATURE_NEXT (0x40000100) otherwise
> at KVM_CPUID_SIGNATURE (0x0).

KVM_CPU_ID_SIGNATURE is 0x40000000.

> Does this matter to Linux?

For recent versions it doesn't.  Older versions will not be able to use
kvmclock (and other PV enhancements for KVM such as steal time or PV EOI).

Paolo