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由 Jim Mattson 提交于
The local APIC can be in one of three modes: disabled, xAPIC or x2APIC. (A fourth mode, "invalid," is included for completeness.) Using the new enumeration can make some of the APIC mode logic easier to read. In kvm_set_apic_base, for instance, it is clear that one cannot transition directly from x2APIC mode to xAPIC mode or directly from APIC disabled to x2APIC mode. Signed-off-by: NJim Mattson <jmattson@google.com> Signed-off-by: NKrish Sadhukhan <krish.sadhukhan@oracle.com> [Check invalid bits even if msr_info->host_initiated. Reported by Wanpeng Li. - Paolo] Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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