diff options
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index c28ba0275580..e542cf285b51 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -2510,8 +2510,12 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) } } - if (((old_value ^ value) & X2APIC_ENABLE) && (value & X2APIC_ENABLE)) - kvm_apic_set_x2apic_id(apic, vcpu->vcpu_id); + if ((old_value ^ value) & X2APIC_ENABLE) { + if (value & X2APIC_ENABLE) + kvm_apic_set_x2apic_id(apic, vcpu->vcpu_id); + else if (value & MSR_IA32_APICBASE_ENABLE) + kvm_apic_set_xapic_id(apic, vcpu->vcpu_id); + } if ((old_value ^ value) & (MSR_IA32_APICBASE_ENABLE | X2APIC_ENABLE)) { kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu); |