Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-microblaze.git] / virt / kvm / arm / vgic / vgic.c

diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c
index 3af69f2..191decc 100644 (file)
--- a/virt/kvm/arm/vgic/vgic.c
+++ b/virt/kvm/arm/vgic/vgic.c
@@ -151,6 +151,27 @@ void vgic_put_irq(struct kvm *kvm, struct vgic_irq *irq)
        kfree(irq);
 }
 
+void vgic_flush_pending_lpis(struct kvm_vcpu *vcpu)
+{
+       struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
+       struct vgic_irq *irq, *tmp;
+       unsigned long flags;
+
+       raw_spin_lock_irqsave(&vgic_cpu->ap_list_lock, flags);
+
+       list_for_each_entry_safe(irq, tmp, &vgic_cpu->ap_list_head, ap_list) {
+               if (irq->intid >= VGIC_MIN_LPI) {
+                       raw_spin_lock(&irq->irq_lock);
+                       list_del(&irq->ap_list);
+                       irq->vcpu = NULL;
+                       raw_spin_unlock(&irq->irq_lock);
+                       vgic_put_irq(vcpu->kvm, irq);
+               }
+       }
+
+       raw_spin_unlock_irqrestore(&vgic_cpu->ap_list_lock, flags);
+}
+
 void vgic_irq_set_phys_pending(struct vgic_irq *irq, bool pending)
 {
        WARN_ON(irq_set_irqchip_state(irq->host_irq,