Commit d1b32ecd authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini
Browse files

KVM: nVMX: Initialize #VE info page for vmcs02 when proving #VE support 



Point vmcs02.VE_INFORMATION_ADDRESS at the vCPU's #VE info page when
initializing vmcs02, otherwise KVM will run L2 with EPT Violation #VE
enabled and a VE info address pointing at pfn 0.

Fixes: 8131cf5b ("KVM: VMX: Introduce test mode related to EPT violation VE")
Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Message-ID: <20240518000430.1118488-3-seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 40e8a690

arch/x86/kvm/vmx/nested.c

+3 −0
Original line number Diff line number Diff line
@@ -2242,6 +2242,9 @@ static void prepare_vmcs02_constant_state(struct vcpu_vmx *vmx) 
		vmcs_write64(EPT_POINTER,

			     construct_eptp(&vmx->vcpu, 0, PT64_ROOT_4LEVEL));



	if (vmx->ve_info)

		vmcs_write64(VE_INFORMATION_ADDRESS, __pa(vmx->ve_info));



	/* All VMFUNCs are currently emulated through L0 vmexits.  */

	if (cpu_has_vmx_vmfunc())

		vmcs_write64(VM_FUNCTION_CONTROL, 0);