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KVM: arm/arm64: vITS: Drop its_ite->lpi field 

For unknown reasons, the its_ite data structure carries an "lpi" field
which contains the intid of the LPI. This is an obvious duplication
of the vgic_irq->intid field, so let's fix the only user and remove
the now useless field.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Christoffer Dall <cdall@linaro.org>
hifive-unleashed-5.1
Marc Zyngier 2017-09-01 17:51:56 +01:00 committed by Christoffer Dall
parent 4aa8bcc93c
commit 7c7d2fa1cd
1 changed files with 4 additions and 6 deletions
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10
virt/kvm/arm/vgic/vgic-its.c
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@ -144,7 +144,6 @@ struct its_ite {
struct vgic_irq *irq;
struct its_collection *collection;
u32 lpi;
u32 event_id;
};
@ -813,7 +812,7 @@ static void vgic_its_free_collection(struct vgic_its *its, u32 coll_id)
/* Must be called with its_lock mutex held */
static struct its_ite *vgic_its_alloc_ite(struct its_device *device,
struct its_collection *collection,
u32 lpi_id, u32 event_id)
u32 event_id)
{
struct its_ite *ite;
@ -823,7 +822,6 @@ static struct its_ite *vgic_its_alloc_ite(struct its_device *device,
ite->event_id = event_id;
ite->collection = collection;
ite->lpi = lpi_id;
list_add_tail(&ite->ite_list, &device->itt_head);
return ite;
@ -873,7 +871,7 @@ static int vgic_its_cmd_handle_mapi(struct kvm *kvm, struct vgic_its *its,
new_coll = collection;
}
ite = vgic_its_alloc_ite(device, collection, lpi_nr, event_id);
ite = vgic_its_alloc_ite(device, collection, event_id);
if (IS_ERR(ite)) {
if (new_coll)
vgic_its_free_collection(its, coll_id);
@ -1848,7 +1846,7 @@ static int vgic_its_save_ite(struct vgic_its *its, struct its_device *dev,
next_offset = compute_next_eventid_offset(&dev->itt_head, ite);
val = ((u64)next_offset << KVM_ITS_ITE_NEXT_SHIFT) |
((u64)ite->lpi << KVM_ITS_ITE_PINTID_SHIFT) |
((u64)ite->irq->intid << KVM_ITS_ITE_PINTID_SHIFT) |
ite->collection->collection_id;
val = cpu_to_le64(val);
return kvm_write_guest(kvm, gpa, &val, ite_esz);
@ -1895,7 +1893,7 @@ static int vgic_its_restore_ite(struct vgic_its *its, u32 event_id,
if (!collection)
return -EINVAL;
ite = vgic_its_alloc_ite(dev, collection, lpi_id, event_id);
ite = vgic_its_alloc_ite(dev, collection, event_id);
if (IS_ERR(ite))
return PTR_ERR(ite);