diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 99c536597332d..555956c3c473e 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -599,7 +599,8 @@ static bool kvm_apic_match_logical_addr(struct kvm_lapic *apic, u32 mda) logical_id = kvm_apic_get_reg(apic, APIC_LDR); if (apic_x2apic_mode(apic)) - return (logical_id & mda) != 0; + return ((logical_id >> 16) == (mda >> 16)) + && (logical_id & mda & 0xffff) != 0; logical_id = GET_APIC_LOGICAL_ID(logical_id);