4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ladi Prosek <[email protected]>

commit 21f2d551183847bc7fbe8d866151d00cdad18752 upstream.

Intel SDM 27.5.2 Loading Host Segment and Descriptor-Table Registers:

"The GDTR and IDTR limits are each set to FFFFH."

Signed-off-by: Ladi Prosek <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 arch/x86/kvm/vmx.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -10394,6 +10394,8 @@ static void load_vmcs12_host_state(struc
        vmcs_writel(GUEST_SYSENTER_EIP, vmcs12->host_ia32_sysenter_eip);
        vmcs_writel(GUEST_IDTR_BASE, vmcs12->host_idtr_base);
        vmcs_writel(GUEST_GDTR_BASE, vmcs12->host_gdtr_base);
+       vmcs_write32(GUEST_IDTR_LIMIT, 0xFFFF);
+       vmcs_write32(GUEST_GDTR_LIMIT, 0xFFFF);
 
        /* If not VM_EXIT_CLEAR_BNDCFGS, the L2 value propagates to L1.  */
        if (vmcs12->vm_exit_controls & VM_EXIT_CLEAR_BNDCFGS)


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