RE: [PATCH v4 2/6] KVM: nVMX: Enable nested virtualize x2apic mode

2015-01-28 Thread Zhang, Yang Z
Wincy Van wrote on 2015-01-28: > When L2 is using x2apic, we can use virtualize x2apic mode to gain higher > performance, especially in apicv case. > > This patch also introduces nested_vmx_check_apicv_controls for the nested > apicv patches. > > Signed-off-by: Wincy Van > --- > arch/x86/kvm/vm

Re: [PATCH v4 2/6] KVM: nVMX: Enable nested virtualize x2apic mode

2015-01-28 Thread Wincy Van
On Thu, Jan 29, 2015 at 10:54 AM, Zhang, Yang Z wrote: >> -8646,7 +8750,8 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, >> struct vmcs12 *vmcs12) >> else >> vmcs_write64(APIC_ACCESS_ADDR, >> >> page_to_phys(vmx->nested.apic_access_page

RE: [PATCH v4 2/6] KVM: nVMX: Enable nested virtualize x2apic mode

2015-01-28 Thread Zhang, Yang Z
Wincy Van wrote on 2015-01-29: > On Thu, Jan 29, 2015 at 10:54 AM, Zhang, Yang Z > wrote: >>> -8646,7 +8750,8 @@ static void prepare_vmcs02(struct kvm_vcpu >>> *vcpu, struct vmcs12 *vmcs12) >>> else >>> vmcs_write64(APIC_ACCESS_ADDR, >>> >>> page_to_phys(vmx->nested.apic_a