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

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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: 8131cf5b4fd8 ("KVM: VMX: Introduce test mode related to EPT violation VE")
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20240518000430.1118488-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2024-05-17 17:04:23 -07:00 committed by Paolo Bonzini
parent 40e8a6901a
commit d1b32ecdc8
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kvm/vmx/nested.c
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@ -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);