arm/arm64: KVM: vgic: Clear queued flags on unqueue
If we unqueue a level-triggered interrupt completely, and the LR does
not stick around in the active state (and will therefore no longer
generate a maintenance interrupt), then we should clear the queued flag
so that the vgic can actually queue this level-triggered interrupt at a
later time and deal with its pending state then.
Note: This should actually be properly fixed to handle the active state
on the distributor.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index ce1a2d1..2026b61 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -667,8 +667,10 @@
* active), then the LR does not hold any useful info and can
* be marked as free for other use.
*/
- if (!(lr.state & LR_STATE_MASK))
+ if (!(lr.state & LR_STATE_MASK)) {
vgic_retire_lr(i, lr.irq, vcpu);
+ vgic_irq_clear_queued(vcpu, lr.irq);
+ }
/* Finally update the VGIC state. */
vgic_update_state(vcpu->kvm);