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Commit 8a395363 authored by Radim Krčmář's avatar Radim Krčmář Committed by Paolo Bonzini
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KVM: x86: fix x2apic logical address matching 



We cannot hit the bug now, but future patches will expose this path.

Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 3697f302

arch/x86/kvm/lapic.c

+2 −1
Original line number Diff line number Diff line
@@ -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);