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| author | Sheng Yang <sheng@linux.intel.com> | 2010-03-19 15:47:38 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-26 07:41:21 -0700 |
| commit | 926fd42e594095f1967b6df75f3db82a1988c58d (patch) | |
| tree | c9c7ffa660d762fd053fd778dcd545cfe0bf6b3b /arch | |
| parent | e075e2caebf932a85786e6d5eb544ee4b0e1441e (diff) | |
| download | lwn-926fd42e594095f1967b6df75f3db82a1988c58d.tar.gz lwn-926fd42e594095f1967b6df75f3db82a1988c58d.zip | |
KVM: VMX: Disable unrestricted guest when EPT disabled
commit 046d87103addc117f0d397196e85189722d4d7de 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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 6ee492762377..6bb366651813 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -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); |