summaryrefslogtreecommitdiff
path: root/drivers/iommu/amd_iommu_v2.c
diff options
context:
space:
mode:
authorJoerg Roedel <jroedel@suse.de>2014-05-20 23:18:25 +0200
committerJoerg Roedel <jroedel@suse.de>2014-05-26 11:28:14 +0200
commit9163b9013542a688fe4152985118a9c46e2d255d (patch)
treee5d72f371066d965c73f988350416f4fcafeede8 /drivers/iommu/amd_iommu_v2.c
parenta40d4c67d7dec4e9b04e2fe1105072a843fda5a9 (diff)
iommu/amd: Remove IOMMUv2 pasid_state_list
This list was only used for the task_exit notifier function. Now that it is gone we can remove it. Signed-off-by: Joerg Roedel <jroedel@suse.de> Tested-by: Jay Cornwall <Jay.Cornwall@amd.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_v2.c')
-rw-r--r--drivers/iommu/amd_iommu_v2.c26
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: