| From | Marc Zyngier <> | Subject | [PATCH v5 11/26] KVM: arm/arm64: GICv4: Handle INT command applied to a VLPI | Date | Fri, 27 Oct 2017 15:28:40 +0100 |
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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@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- 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); -- 2.11.0
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