diff options
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/vmx/nested.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 54b7726c5bf5..23c310adea7d 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2085,6 +2085,14 @@ static void prepare_vmcs02_early(struct vcpu_vmx *vmx, struct vmcs12 *vmcs12) /* VMCS shadowing for L2 is emulated for now */ exec_control &= ~SECONDARY_EXEC_SHADOW_VMCS; + /* + * Preset *DT exiting when emulating UMIP, so that vmx_set_cr4() + * will not have to rewrite the controls just for this bit. + */ + if (!boot_cpu_has(X86_FEATURE_UMIP) && vmx_umip_emulated() && + (vmcs12->guest_cr4 & X86_CR4_UMIP)) + exec_control |= SECONDARY_EXEC_DESC; + if (exec_control & SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY) vmcs_write16(GUEST_INTR_STATUS, vmcs12->guest_intr_status); |