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x86/kvm/nVMX: introduce source data cache for kvm_init_shadow_ept_mmu()
MMU re-initialization is expensive, in particular, update_permission_bitmask() and update_pkru_bitmask() are. Cache the data used to setup shadow EPT MMU and avoid full re-init when it is unchanged. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Vitaly Kuznetsov
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Paolo Bonzini
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Oct 16, 2018
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