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H A Daccess.cc30cd43ca632a14d86dc94bb7c8fb110b16afd51 Thu Nov 25 01:28:20 UTC 2021 Sean Christopherson <seanjc@google.com> x86/access: Cache CR3 to improve performance

Add a shadow for CR3, which avoids a significant number of VM-Exits when
KVM is using shadow paging.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20211125012857.508243-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>