Patch "KVM: nVMX: Disable unrestricted mode if ept=0" has been added to the 3.14-stable tree

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This is a note to let you know that I've just added the patch titled

    KVM: nVMX: Disable unrestricted mode if ept=0

to the 3.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     kvm-nvmx-disable-unrestricted-mode-if-ept-0.patch
and it can be found in the queue-3.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 78051e3b7e35722ad3f31dd611f1b34770bddab8 Mon Sep 17 00:00:00 2001
From: Bandan Das <bsd@xxxxxxxxxx>
Date: Sat, 6 Dec 2014 20:32:16 +0530
Subject: KVM: nVMX: Disable unrestricted mode if ept=0

From: Bandan Das <bsd@xxxxxxxxxx>

commit 78051e3b7e35722ad3f31dd611f1b34770bddab8 upstream.

If L0 has disabled EPT, don't advertise unrestricted
mode at all since it depends on EPT to run real mode code.

Fixes: 92fbc7b195b824e201d9f06f2b93105f72384d65
Reviewed-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Signed-off-by: Bandan Das <bsd@xxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 arch/x86/kvm/vmx.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2320,12 +2320,12 @@ static __init void nested_vmx_setup_ctls
 	nested_vmx_secondary_ctls_low = 0;
 	nested_vmx_secondary_ctls_high &=
 		SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
-		SECONDARY_EXEC_UNRESTRICTED_GUEST |
 		SECONDARY_EXEC_WBINVD_EXITING;
 
 	if (enable_ept) {
 		/* nested EPT: emulate EPT also to L1 */
-		nested_vmx_secondary_ctls_high |= SECONDARY_EXEC_ENABLE_EPT;
+		nested_vmx_secondary_ctls_high |= SECONDARY_EXEC_ENABLE_EPT |
+			SECONDARY_EXEC_UNRESTRICTED_GUEST;
 		nested_vmx_ept_caps = VMX_EPT_PAGE_WALK_4_BIT |
 			 VMX_EPTP_WB_BIT | VMX_EPT_2MB_PAGE_BIT |
 			 VMX_EPT_INVEPT_BIT;


Patches currently in stable-queue which might be from bsd@xxxxxxxxxx are

queue-3.14/kvm-nvmx-disable-unrestricted-mode-if-ept-0.patch
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