On 07/19/2013 02:00 PM, Paolo Bonzini wrote:
> Il 19/07/2013 22:59, H. Peter Anvin ha scritto:
>> -cpuid(KVM_CPUID_SIGNATURE, , , , );
>> -memcpy(signature + 0, , 4);
>> -memcpy(signature + 4, , 4);
>> -
On 07/19/2013 05:10 AM, Paolo Bonzini wrote:
>> +
>> +static inline bool kvm_para_available(void)
>> +{
>> if (boot_cpu_data.cpuid_level < 0)
>> return false; /* So we don't blow up on old processors */
>>
>> if (cpu_has_hypervisor) {
>> -
Il 19/07/2013 22:59, H. Peter Anvin ha scritto:
>>> >> -cpuid(KVM_CPUID_SIGNATURE, , , , );
>>> >> -memcpy(signature + 0, , 4);
>>> >> -memcpy(signature + 4, , 4);
>>> >> -memcpy(signature + 8, , 4);
>>> >> -
Il 19/07/2013 12:25, Jason Wang ha scritto:
> Recent kvm has some basic support of hyperv, this will cause the guest to
> identify itself running on top of hyperv instead of kvm which will disable kvm
> pv functionality. Solve this by check kvm para platform first and also check
>
Recent kvm has some basic support of hyperv, this will cause the guest to
identify itself running on top of hyperv instead of kvm which will disable kvm
pv functionality. Solve this by check kvm para platform first and also check
KVM_CPUID_SIGNATURE_NEXT which were set when kvm emulate hyperv.
Recent kvm has some basic support of hyperv, this will cause the guest to
identify itself running on top of hyperv instead of kvm which will disable kvm
pv functionality. Solve this by check kvm para platform first and also check
KVM_CPUID_SIGNATURE_NEXT which were set when kvm emulate hyperv.
Il 19/07/2013 12:25, Jason Wang ha scritto:
Recent kvm has some basic support of hyperv, this will cause the guest to
identify itself running on top of hyperv instead of kvm which will disable kvm
pv functionality. Solve this by check kvm para platform first and also check
Il 19/07/2013 22:59, H. Peter Anvin ha scritto:
-cpuid(KVM_CPUID_SIGNATURE, eax, ebx, ecx, edx);
-memcpy(signature + 0, ebx, 4);
-memcpy(signature + 4, ecx, 4);
-memcpy(signature + 8, edx, 4);
-signature[12]
On 07/19/2013 05:10 AM, Paolo Bonzini wrote:
+
+static inline bool kvm_para_available(void)
+{
if (boot_cpu_data.cpuid_level 0)
return false; /* So we don't blow up on old processors */
if (cpu_has_hypervisor) {
-cpuid(KVM_CPUID_SIGNATURE, eax, ebx,
On 07/19/2013 02:00 PM, Paolo Bonzini wrote:
Il 19/07/2013 22:59, H. Peter Anvin ha scritto:
-cpuid(KVM_CPUID_SIGNATURE, eax, ebx, ecx, edx);
-memcpy(signature + 0, ebx, 4);
-memcpy(signature + 4, ecx, 4);
-memcpy(signature + 8,
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