KVM: x86/mmu: Fix TDP MMU zap collapsible SPTEs
There is a bug in the TDP MMU function to zap SPTEs which could be replaced with a larger mapping which prevents the function from doing anything. Fix this by correctly zapping the last level SPTEs. Cc: stable@vger.kernel.org Fixes: 14881998 ("kvm: x86/mmu: Support disabling dirty logging for the tdp MMU") Signed-off-by: Ben Gardon <bgardon@google.com> Message-Id: <20210202185734.1680553-11-bgardon@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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