Il 09/05/2013 02:53, Jun Nakajima ha scritto:
> +#endif
> walker->fault.address = addr;
> walker->fault.nested_page_fault = mmu != vcpu->arch.walk_mmu;
>
> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
> index ca49e19..a44e7fd 100644
> --- a/arch/x86/kvm/vmx.c
> +++ b/arch/x86/kvm/vmx.c
> @@ -5310,6 +5310,8 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu)
> /* ept page table is present? */
> error_code |= (exit_qualification >> 3) & 0x1;
>
> + vcpu->arch.exit_qualification = exit_qualification;
> +
> return kvm_mmu_page_fault(vcpu, gpa, error_code, NULL, 0);
> }
>
> @@ -7426,7 +7428,7 @@ static unsigned long nested_ept_get_cr3(struct kvm_vcpu
> *vcpu)
> }
>
> static void nested_ept_inject_page_fault(struct kvm_vcpu *vcpu,
> - struct x86_exception *fault)
> + struct x86_exception *fault)
> {
> struct vmcs12 *vmcs12;
> nested_vmx_vmexit(vcpu);
> @@ -7435,10 +7437,81 @@ static void nested_ept_inject_page_fault(struct
> kvm_vcpu *vcpu,
> * Note no need to set vmcs12->vm_exit_reason as it is already copied
> * from vmcs02 in nested_vmx_vmexit() above, i.e., EPT_VIOLATION.
> */
> - vmcs12->exit_qualification = fault->error_code;
> + if (fault->error_code & PFERR_RSVD_MASK)
> + vmcs12->vm_exit_reason = EXIT_REASON_EPT_MISCONFIG;
> + else
> + vmcs12->vm_exit_reason = EXIT_REASON_EPT_VIOLATION;
> +
> + vmcs12->exit_qualification = vcpu->arch.exit_qualification;
Not exactly pretty, but I cannot think of anything better.
Paolo
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