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

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Allows reading back hardware capability.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2009-03-23 18:25:15 +02:00
parent 919818abc2
commit 575ff2dcb2
1 changed files with 4 additions and 1 deletions
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5
arch/x86/kvm/vmx.c
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@ -265,7 +265,7 @@ static inline int cpu_has_vmx_ept(void)
static inline int vm_need_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) 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()) if (!cpu_has_vmx_vpid())
enable_vpid = 0; enable_vpid = 0;
if (!cpu_has_vmx_ept())
enable_ept = 0;
min = 0; min = 0;
#ifdef CONFIG_X86_64 #ifdef CONFIG_X86_64
min |= VM_EXIT_HOST_ADDR_SPACE_SIZE; min |= VM_EXIT_HOST_ADDR_SPACE_SIZE;