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Diffstat (limited to 'virt/kvm/arm/vgic/vgic.c')
-rw-r--r--virt/kvm/arm/vgic/vgic.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c
index 3af69f2a3866..191deccf60bf 100644
--- 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,