1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index a23f42e550af..44f20cdb5709 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -424,7 +424,9 @@ static void apic_set_eoi(struct kvm_lapic *apic)
                 trigger_mode = IOAPIC_LEVEL_TRIG;
         else
                 trigger_mode = IOAPIC_EDGE_TRIG;
+        mutex_lock(&apic->vcpu->kvm->irq_lock);
         kvm_ioapic_update_eoi(apic->vcpu->kvm, vector, trigger_mode);
+        mutex_unlock(&apic->vcpu->kvm->irq_lock);
 }
 
 static void apic_send_ipi(struct kvm_lapic *apic)
@@ -448,7 +450,9 @@ static void apic_send_ipi(struct kvm_lapic *apic)
                    irq.trig_mode, irq.level, irq.dest_mode, irq.delivery_mode,
                    irq.vector);
 
+        mutex_lock(&apic->vcpu->kvm->irq_lock);
         kvm_irq_delivery_to_apic(apic->vcpu->kvm, apic, &irq);
+        mutex_unlock(&apic->vcpu->kvm->irq_lock);
 }
 
 static u32 apic_get_tmcct(struct kvm_lapic *apic)