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KVM: VMX: Skip emulation required checks during pmode/rmode transitions
Don't refresh "emulation required" when stuffing segments during transitions to/from real mode when running without unrestricted guest. The checks are unnecessary as vmx_set_cr0() unconditionally rechecks "emulation required". They also happen to be broken, as enter_pmode() and enter_rmode() run with a stale vcpu->arch.cr0. Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20210713163324.627647-29-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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