diff options
Diffstat (limited to 'arch/x86/kvm/lapic.c')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 053e4937af0c..2307f63efd20 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -209,6 +209,9 @@ static void recalculate_apic_map(struct kvm *kvm) if (!apic_x2apic_mode(apic) && !new->phys_map[xapic_id]) new->phys_map[xapic_id] = apic; + if (!kvm_apic_sw_enabled(apic)) + continue; + ldr = kvm_lapic_get_reg(apic, APIC_LDR); if (apic_x2apic_mode(apic)) { @@ -252,6 +255,8 @@ static inline void apic_set_spiv(struct kvm_lapic *apic, u32 val) recalculate_apic_map(apic->vcpu->kvm); } else static_key_slow_inc(&apic_sw_disabled.key); + + recalculate_apic_map(apic->vcpu->kvm); } } @@ -1962,13 +1967,11 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) } } - if ((old_value ^ value) & X2APIC_ENABLE) { - if (value & X2APIC_ENABLE) { - kvm_apic_set_x2apic_id(apic, vcpu->vcpu_id); - kvm_x86_ops->set_virtual_x2apic_mode(vcpu, true); - } else - kvm_x86_ops->set_virtual_x2apic_mode(vcpu, false); - } + if (((old_value ^ value) & X2APIC_ENABLE) && (value & X2APIC_ENABLE)) + kvm_apic_set_x2apic_id(apic, vcpu->vcpu_id); + + if ((old_value ^ value) & (MSR_IA32_APICBASE_ENABLE | X2APIC_ENABLE)) + kvm_x86_ops->set_virtual_apic_mode(vcpu); apic->base_address = apic->vcpu->arch.apic_base & MSR_IA32_APICBASE_BASE; @@ -2161,7 +2164,7 @@ int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu) struct kvm_lapic *apic = vcpu->arch.apic; u32 ppr; - if (!apic_enabled(apic)) + if (!kvm_apic_hw_enabled(apic)) return -1; __apic_update_ppr(apic, &ppr); |