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authorSean Christopherson <seanjc@google.com>2024-05-18 02:04:23 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2024-05-23 18:27:25 +0200
commitd1b32ecdc8ad0346ac551866d9f6831995fd70de (patch)
tree01ab007c9bc799726afc3d7ee03c296fa2a4dc8c /arch/x86/kvm/vmx/nested.c
parentKVM: VMX: Don't kill the VM on an unexpected #VE (diff)
downloadlinux-d1b32ecdc8ad0346ac551866d9f6831995fd70de.tar.xz
linux-d1b32ecdc8ad0346ac551866d9f6831995fd70de.zip
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: 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>
Diffstat (limited to '')
-rw-r--r--arch/x86/kvm/vmx/nested.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index d5b832126e34..6798fadaa335 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -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);