diff options
| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2019-02-12 16:42:23 -0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-02-13 19:38:25 +0100 |
| commit | bc44121190aea96de171408310db3d3c87e2cc11 (patch) | |
| tree | ed89c81c7e3cb498ea48552c330834036fd44305 | |
| parent | 6b1971c694975e49af302229202c0043568b1791 (diff) | |
| download | linux-bc44121190aea96de171408310db3d3c87e2cc11.tar.bz2 | |
KVM: nVMX: Restore a preemption timer consistency check
A recently added preemption timer consistency check was unintentionally
dropped when the consistency checks were being reorganized to match the
SDM's ordering.
Fixes: 461b4ba4c7ad ("KVM: nVMX: Move the checks for VM-Execution Control Fields to a separate helper function")
Cc: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/vmx/nested.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 8b45205b4e1d..d737a51a53ca 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2473,6 +2473,10 @@ static int nested_check_vm_execution_controls(struct kvm_vcpu *vcpu, (nested_cpu_has_vpid(vmcs12) && !vmcs12->virtual_processor_id)) return -EINVAL; + if (!nested_cpu_has_preemption_timer(vmcs12) && + nested_cpu_has_save_preemption_timer(vmcs12)) + return -EINVAL; + if (nested_cpu_has_ept(vmcs12) && !valid_ept_address(vcpu, vmcs12->ept_pointer)) return -EINVAL; |