diff options
Diffstat (limited to 'virt/kvm/arm/vgic')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-its.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c index bf571f6d2b32..b8c1b724ba3e 100644 --- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -1995,6 +1995,15 @@ static int vgic_its_save_itt(struct vgic_its *its, struct its_device *device) list_for_each_entry(ite, &device->itt_head, ite_list) { gpa_t gpa = base + ite->event_id * ite_esz; + /* + * If an LPI carries the HW bit, this means that this + * interrupt is controlled by GICv4, and we do not + * have direct access to that state. Let's simply fail + * the save operation... + */ + if (ite->irq->hw) + return -EACCES; + ret = vgic_its_save_ite(its, device, ite, gpa, ite_esz); if (ret) return ret; |