Message ID | 1390484449-20974-2-git-send-email-vrozenfe@redhat.com |
---|---|
State | New |
Headers | show |
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 7522e98..db1583a 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -463,11 +463,8 @@ int kvm_arch_init_vcpu(CPUState *cs) /* Paravirtualization CPUIDs */ c = &cpuid_data.entries[cpuid_i++]; c->function = KVM_CPUID_SIGNATURE; - if (!hyperv_enabled(cpu)) { - memcpy(signature, "KVMKVMKVM\0\0\0", 12); - c->eax = 0; - } else { - memcpy(signature, "Microsoft Hv", 12); + memcpy(signature, "KVMKVMKVM\0\0\0", 12); + if (hyperv_enabled(cpu)) { c->eax = HYPERV_CPUID_MIN; } c->ebx = signature[0];
According to "Requirements for Implementing the Microsoft Hypervisor Interface" (http://msdn.microsoft.com/library/windows/hardware/hh975392) page 4, conformant hypervisors are not required to report the vendor id signature. Guest use this information for reporting and diagnostic purposes only. Signed-off-by: Vadim Rozenfeld <vrozenfe@redhat.com> --- target-i386/kvm.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)