KVM: x86: Avoid issuing wbinvd twice
Micro optimization to avoid calling wbinvd twice on the CPU that has to emulate it. As we might be preempted between smp_call_function_many and the local wbinvd, the cache might be filled again so that real work could be done uselessly. Signed-off-by:Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by:
Marcelo Tosatti <mtosatti@redhat.com>
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aac87636
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