Patch "MIPS: KVM: Fix gfn range check in kseg0 tlb faults" has been added to the 4.7-stable tree

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

MIPS: KVM: Fix gfn range check in kseg0 tlb faults

to the 4.7-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:
mips-kvm-fix-gfn-range-check-in-kseg0-tlb-faults.patch
and it can be found in the queue-4.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: James Hogan <[email protected]>
Date: Thu, 11 Aug 2016 11:58:14 +0100
Subject: MIPS: KVM: Fix gfn range check in kseg0 tlb faults
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From: James Hogan <[email protected]>

commit 0741f52d1b980dbeb290afe67d88fc2928edd8ab upstream.

Two consecutive gfns are loaded into host TLB, so ensure the range check isn't off by one if guest_pmap_npages is odd.

---
 arch/mips/kvm/tlb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -284,7 +284,7 @@ int kvm_mips_handle_kseg0_tlb_fault(unsi
 	}
 
 	gfn = (KVM_GUEST_CPHYSADDR(badvaddr) >> PAGE_SHIFT);
-	if (gfn >= kvm->arch.guest_pmap_npages) {
+	if ((gfn | 1) >= kvm->arch.guest_pmap_npages) {
 		kvm_err("%s: Invalid gfn: %#llx, BadVaddr: %#lx\n", __func__,
 			gfn, badvaddr);
 		kvm_mips_dump_host_tlbs();

Patches currently in stable-queue which might be from [email protected] are

queue-4.7/mips-kvm-add-missing-gfn-range-check.patch queue-4.7/mips-kvm-propagate-kseg0-mapped-tlb-fault-errors.patch queue-4.7/mips-kvm-fix-mapped-fault-broken-commpage-handling.patch queue-4.7/mips-kvm-fix-gfn-range-check-in-kseg0-tlb-faults.patch