Message ID | 20190327194602.11538-2-krish.sadhukhan@oracle.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [1/4,v2,nVMX] : Check "load IA32_PAT" VM-entry control on vmentry nested guests | expand |
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index f601b156ca84..b8bd449350b4 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2686,6 +2686,10 @@ static int nested_vmx_check_vmentry_postreqs(struct kvm_vcpu *vcpu, !nested_guest_cr4_valid(vcpu, vmcs12->guest_cr4)) return 1; + if ((vmcs12->vm_entry_controls & VM_ENTRY_LOAD_IA32_PAT) && + !kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, vmcs12->guest_ia32_pat)) + return 1; + if (nested_vmx_check_vmcs_link_ptr(vcpu, vmcs12)) { *exit_qual = ENTRY_FAIL_VMCS_LINK_PTR; return 1;