Fix nested EPT when A/D bits are disabled

This patch series fixes nested EPT when A/D bits are disabled in vmcs12 but enabled in the kvm_intel module. Concretely, this series makes the vmx_ept_access_test_paddr_not_present_ad_disabled kvm-unit-test pass instead of getting stuck in an infinite loop.

I'm on vacation next week, so I won't see any feedback on this series until July 10.

Thanks for reviewing!

Peter

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Peter Feiner (4):
x86: kvm: mmu: dead code thanks to access tracking
x86: kvm: mmu: make spte mmio mask more explicit
kvm: x86: mmu: allow A/D bits to be disabled in an mmu
x86: kvm: mmu: use ept a/d in vmcs02 iff used in vmcs12

 arch/x86/include/asm/kvm_host.h |   3 +-
 arch/x86/kvm/mmu.c              | 151 ++++++++++++++++++++++++++--------------
 arch/x86/kvm/mmu.h              |   2 +-
 arch/x86/kvm/mmutrace.h         |   6 +-
 arch/x86/kvm/vmx.c              |  43 ++++++------
 arch/x86/kvm/x86.c              |   2 +-
 6 files changed, 125 insertions(+), 82 deletions(-)

2.13.2.725.g09c95d1e9-goog