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| author | Joerg Roedel <jroedel@suse.de> | 2014-05-20 23:18:25 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2014-05-26 11:28:14 +0200 |
| commit | 9163b9013542a688fe4152985118a9c46e2d255d (patch) | |
| tree | e5d72f371066d965c73f988350416f4fcafeede8 /drivers | |
| parent | iommu/amd: Implement mmu_notifier_release call-back (diff) | |
| download | linux-9163b9013542a688fe4152985118a9c46e2d255d.tar.xz linux-9163b9013542a688fe4152985118a9c46e2d255d.zip | |
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')
| -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: |