If the guest issues an INT command targetting a VLPI, let's call into the irq_set_irqchip_state() helper to make it pending on the physical side. This works just as well if userspace decides to inject an interrupt using the normal userspace API... Acked-by: Christoffer Dall <cdall@xxxxxxxxxx> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> --- virt/kvm/arm/vgic/vgic-its.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c index 89768d2b6a91..b2a678d131d0 100644 --- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -578,6 +578,10 @@ static int vgic_its_trigger_msi(struct kvm *kvm, struct vgic_its *its, if (err) return err; + if (irq->hw) + return irq_set_irqchip_state(irq->host_irq, + IRQCHIP_STATE_PENDING, true); + spin_lock(&irq->irq_lock); irq->pending_latch = true; vgic_queue_irq_unlock(kvm, irq); -- 2.14.1
