KVM: VMX: Zero ept module parameter if ept is not present
Allows reading back hardware capability.
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 9b97c8e..2f65120 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -265,7 +265,7 @@
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 @@
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;