Re: [Xen-devel] [PATCH 7/7] Nested VMX: Clear APIC-v control bit in vmcs02

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 09/08/13 09:49, Yang Zhang wrote:
> From: Yang Zhang <yang.z.zhang@xxxxxxxxx>
>
> There is no vAPIC-v supporting, so mask APIC-v control bit when
> constructing vmcs02.
>
> Signed-off-by: Yang Zhang <yang.z.zhang@xxxxxxxxx>
> ---
>  xen/arch/x86/hvm/vmx/vvmx.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/xen/arch/x86/hvm/vmx/vvmx.c b/xen/arch/x86/hvm/vmx/vvmx.c
> index 9ba169d..eed09be 100644
> --- a/xen/arch/x86/hvm/vmx/vvmx.c
> +++ b/xen/arch/x86/hvm/vmx/vvmx.c
> @@ -617,6 +617,8 @@ void nvmx_update_secondary_exec_control(struct vcpu *v,
>      shadow_cntrl = __get_vvmcs(nvcpu->nv_vvmcx, SECONDARY_VM_EXEC_CONTROL);
>      nvmx->ept.enabled = !!(shadow_cntrl & SECONDARY_EXEC_ENABLE_EPT);
>      shadow_cntrl |= host_cntrl;
> +    shadow_cntrl &= ~(SECONDARY_EXEC_APIC_REGISTER_VIRT |
> +            SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY);

Alignment again, but otherwise ok.

~Andrew

>      __vmwrite(SECONDARY_VM_EXEC_CONTROL, shadow_cntrl);
>  }
>  
> @@ -627,6 +629,7 @@ static void nvmx_update_pin_control(struct vcpu *v, 
> unsigned long host_cntrl)
>  
>      shadow_cntrl = __get_vvmcs(nvcpu->nv_vvmcx, PIN_BASED_VM_EXEC_CONTROL);
>      shadow_cntrl |= host_cntrl;
> +    shadow_cntrl &= ~PIN_BASED_POSTED_INTERRUPT;
>      __vmwrite(PIN_BASED_VM_EXEC_CONTROL, shadow_cntrl);
>  }
>  


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