From: Marc Zyngier <marc.zyng...@arm.com>
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 <cd...@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyng...@arm.com>
Signed-off-by: Christoffer Dall <christoffer.d...@linaro.org>
---
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 54f81eb24a07..590f794b7330 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -581,6 +581,10 @@ 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_irqsave(&irq->irq_lock, flags);
irq->pending_latch = true;
vgic_queue_irq_unlock(kvm, irq, flags);
--
2.14.2
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