summaryrefslogtreecommitdiff
path: root/drivers/iommu/amd_iommu_v2.c
diff options
context:
space:
mode:
authorJoerg Roedel <jroedel@suse.de>2014-07-08 16:19:35 +0400
committerJoerg Roedel <jroedel@suse.de>2014-07-10 17:36:34 +0400
commit61feb43897ec1cf8b126689035b249f30b0d90ad (patch)
tree4b1443309702cb745318d23b45db7884adfa3be8 /drivers/iommu/amd_iommu_v2.c
parentc5db16ad6cc15c261639c0105cfff72df4122790 (diff)
downloadlinux-61feb43897ec1cf8b126689035b249f30b0d90ad.tar.xz
iommu/amd: Get rid of __unbind_pasid
Unbind_pasid is only called from mn_release which already has the pasid_state. Use this to simplify the unbind_pasid path and get rid of __unbind_pasid. Signed-off-by: Joerg Roedel <jroedel@suse.de> Tested-by: Oded Gabbay <Oded.Gabbay@amd.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_v2.c')
-rw-r--r--drivers/iommu/amd_iommu_v2.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index a621552e715d..574c71bdfcfa 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -99,7 +99,6 @@ static struct workqueue_struct *iommu_wq;
static u64 *empty_page_table;
static void free_pasid_states(struct device_state *dev_state);
-static void unbind_pasid(struct device_state *dev_state, int pasid);
static u16 device_id(struct pci_dev *pdev)
{
@@ -301,7 +300,7 @@ static void put_pasid_state_wait(struct pasid_state *pasid_state)
free_pasid_state(pasid_state);
}
-static void __unbind_pasid(struct pasid_state *pasid_state)
+static void unbind_pasid(struct pasid_state *pasid_state)
{
struct iommu_domain *domain;
@@ -314,18 +313,6 @@ static void __unbind_pasid(struct pasid_state *pasid_state)
flush_workqueue(iommu_wq);
}
-static void unbind_pasid(struct device_state *dev_state, int pasid)
-{
- struct pasid_state *pasid_state;
-
- pasid_state = get_pasid_state(dev_state, pasid);
- if (pasid_state == NULL)
- return;
-
- __unbind_pasid(pasid_state);
- put_pasid_state(pasid_state); /* Reference taken in this function */
-}
-
static void free_pasid_states_level1(struct pasid_state **tbl)
{
int i;
@@ -480,7 +467,7 @@ static void mn_release(struct mmu_notifier *mn, struct mm_struct *mm)
if (pasid_state->device_state->inv_ctx_cb)
dev_state->inv_ctx_cb(dev_state->pdev, pasid_state->pasid);
- unbind_pasid(dev_state, pasid_state->pasid);
+ unbind_pasid(pasid_state);
}
static struct mmu_notifier_ops iommu_mn = {