Format of apic id register is different in x2apic mode.
Return correct apic id when apic is in x2apic mode.
Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx>
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index e41e948..bd3a402 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -551,6 +551,12 @@ static u32 __apic_read(struct kvm_lapic *apic, unsigned int offset)
return 0;
switch (offset) {
+ case APIC_ID:
+ if (apic_x2apic_mode(apic))
+ val = kvm_apic_id(apic);
+ else
+ val = kvm_apic_id(apic) << 24;
+ break;
case APIC_ARBPRI:
printk(KERN_WARNING "Access APIC ARBPRI register "
"which is for P6\n");
--
Gleb.
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