When freeing an LPI (on a DISCARD command, for example), we need
to unmap the VLPI down to the physical ITS level.

Acked-by: Christoffer Dall <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
---
 virt/kvm/arm/vgic/vgic-its.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
index b2a678d131d0..c9b1c0967426 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -628,8 +628,12 @@ static void its_free_ite(struct kvm *kvm, struct its_ite 
*ite)
        list_del(&ite->ite_list);
 
        /* This put matches the get in vgic_add_lpi. */
-       if (ite->irq)
+       if (ite->irq) {
+               if (ite->irq->hw)
+                       WARN_ON(its_unmap_vlpi(ite->irq->host_irq));
+
                vgic_put_irq(kvm, ite->irq);
+       }
 
        kfree(ite);
 }
-- 
2.11.0

Reply via email to