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KVM: VMX: Disable unrestricted guest when EPT disabled

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commit 046d87103a upstream

Otherwise would cause VMEntry failure when using ept=0 on unrestricted guest
supported processors.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sheng Yang
2010-03-19 15:47:38 +01:00
committed by Greg Kroah-Hartman
parent e075e2caeb
commit 926fd42e59
1 changed files with 3 additions and 1 deletions
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4
arch/x86/kvm/vmx.c
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@@ -2302,8 +2302,10 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
~SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES;
if (vmx->vpid == 0)
exec_control &= ~SECONDARY_EXEC_ENABLE_VPID;
if (!enable_ept)
if (!enable_ept) {
exec_control &= ~SECONDARY_EXEC_ENABLE_EPT;
enable_unrestricted_guest = 0;
}
if (!enable_unrestricted_guest)
exec_control &= ~SECONDARY_EXEC_UNRESTRICTED_GUEST;
vmcs_write32(SECONDARY_VM_EXEC_CONTROL, exec_control);