Re: [PATCH 1/3 v2] KVM: vmx: Enable VMFUNCs

From: David Hildenbrand
Date: Mon Jul 10 2017 - 04:54:09 EST



> /*
> * The exit handlers return 1 if the exit was handled fully and guest execution
> * may resume. Otherwise they set the kvm_run parameter to indicate what needs
> @@ -7790,6 +7806,7 @@ static int (*const kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu) = {
> [EXIT_REASON_XSAVES] = handle_xsaves,
> [EXIT_REASON_XRSTORS] = handle_xrstors,
> [EXIT_REASON_PML_FULL] = handle_pml_full,
> + [EXIT_REASON_VMFUNC] = handle_vmfunc,
> [EXIT_REASON_PREEMPTION_TIMER] = handle_preemption_timer,
> };
>
> @@ -8111,6 +8128,9 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)
> case EXIT_REASON_PML_FULL:
> /* We emulate PML support to L1. */
> return false;
> + case EXIT_REASON_VMFUNC:
> + /* VM functions are emulated through L2->L0 vmexits. */
> + return false;

This would fit better into the second patch.

> default:
> return true;
> }
>


Looks good to me.

--

Thanks,

David