KVM: VMX: Zero ept module parameter if ept is not present

Allows reading back hardware capability.

Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 9b97c8e3cfd1..2f65120cf283 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -265,7 +265,7 @@ static inline int cpu_has_vmx_ept(void)
 
 static inline int vm_need_ept(void)
 {
-        return (cpu_has_vmx_ept() && enable_ept);
+        return enable_ept;
 }
 
 static inline int vm_need_virtualize_apic_accesses(struct kvm *kvm)
@@ -1205,6 +1205,9 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf)
         if (!cpu_has_vmx_vpid())
                 enable_vpid = 0;
 
+        if (!cpu_has_vmx_ept())
+                enable_ept = 0;
+
         min = 0;
 #ifdef CONFIG_X86_64
         min |= VM_EXIT_HOST_ADDR_SPACE_SIZE;