diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu_v2.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 09d342bf0f47..c65f3ec60bec 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -86,10 +86,6 @@ struct fault { static LIST_HEAD(state_list); static spinlock_t state_lock; -/* List and lock for all pasid_states */ -static LIST_HEAD(pasid_state_list); -static DEFINE_SPINLOCK(ps_lock); - static struct workqueue_struct *iommu_wq; /* @@ -171,25 +167,6 @@ static void put_device_state_wait(struct device_state *dev_state) free_device_state(dev_state); } -static void link_pasid_state(struct pasid_state *pasid_state) -{ - spin_lock(&ps_lock); - list_add_tail(&pasid_state->list, &pasid_state_list); - spin_unlock(&ps_lock); -} - -static void __unlink_pasid_state(struct pasid_state *pasid_state) -{ - list_del(&pasid_state->list); -} - -static void unlink_pasid_state(struct pasid_state *pasid_state) -{ - spin_lock(&ps_lock); - __unlink_pasid_state(pasid_state); - spin_unlock(&ps_lock); -} - /* Must be called under dev_state->lock */ static struct pasid_state **__get_pasid_state_ptr(struct device_state *dev_state, int pasid, bool alloc) @@ -346,7 +323,6 @@ static void unbind_pasid(struct device_state *dev_state, int pasid) if (pasid_state == NULL) return; - unlink_pasid_state(pasid_state); __unbind_pasid(pasid_state); put_pasid_state_wait(pasid_state); /* Reference taken in this function */ } @@ -689,8 +665,6 @@ int amd_iommu_bind_pasid(struct pci_dev *pdev, int pasid, if (ret) goto out_clear_state; - link_pasid_state(pasid_state); - return 0; out_clear_state: |