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authorAvi Kivity <avi@redhat.com>2009-03-23 18:25:15 +0200
committerAvi Kivity <avi@redhat.com>2009-06-10 11:48:32 +0300
commit575ff2dcb25608d53737d1126ee0e7e4d6f11752 (patch)
tree7d9345eeb046a616549d9edc16334af3f662f81d /arch
parent919818abc2ca0721f1cd296fbc24601d9044f993 (diff)
KVM: VMX: Zero ept module parameter if ept is not present
Allows reading back hardware capability. Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/vmx.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 9b97c8e3cfd..2f65120cf28 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;