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path: root/drivers/iommu/intel/dmar.c
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Diffstat (limited to 'drivers/iommu/intel/dmar.c')
-rw-r--r--drivers/iommu/intel/dmar.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index e540092d664d..b61d9ea27aa9 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -1099,6 +1099,9 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
spin_lock_init(&iommu->device_rbtree_lock);
mutex_init(&iommu->iopf_lock);
iommu->node = NUMA_NO_NODE;
+ spin_lock_init(&iommu->lock);
+ ida_init(&iommu->domain_ida);
+ mutex_init(&iommu->did_lock);
ver = readl(iommu->reg + DMAR_VER_REG);
pr_info("%s: reg_base_addr %llx ver %d:%d cap %llx ecap %llx\n",
@@ -1187,7 +1190,7 @@ static void free_iommu(struct intel_iommu *iommu)
}
if (iommu->qi) {
- iommu_free_page(iommu->qi->desc);
+ iommu_free_pages(iommu->qi->desc);
kfree(iommu->qi->desc_status);
kfree(iommu->qi);
}
@@ -1195,6 +1198,7 @@ static void free_iommu(struct intel_iommu *iommu)
if (iommu->reg)
unmap_iommu(iommu);
+ ida_destroy(&iommu->domain_ida);
ida_free(&dmar_seq_ids, iommu->seq_id);
kfree(iommu);
}
@@ -1681,7 +1685,6 @@ int dmar_enable_qi(struct intel_iommu *iommu)
{
struct q_inval *qi;
void *desc;
- int order;
if (!ecap_qis(iommu->ecap))
return -ENOENT;
@@ -1702,8 +1705,9 @@ int dmar_enable_qi(struct intel_iommu *iommu)
* Need two pages to accommodate 256 descriptors of 256 bits each
* if the remapping hardware supports scalable mode translation.
*/
- order = ecap_smts(iommu->ecap) ? 1 : 0;
- desc = iommu_alloc_pages_node(iommu->node, GFP_ATOMIC, order);
+ desc = iommu_alloc_pages_node_sz(iommu->node, GFP_ATOMIC,
+ ecap_smts(iommu->ecap) ? SZ_8K :
+ SZ_4K);
if (!desc) {
kfree(qi);
iommu->qi = NULL;
@@ -1714,7 +1718,7 @@ int dmar_enable_qi(struct intel_iommu *iommu)
qi->desc_status = kcalloc(QI_LENGTH, sizeof(int), GFP_ATOMIC);
if (!qi->desc_status) {
- iommu_free_page(qi->desc);
+ iommu_free_pages(qi->desc);
kfree(qi);
iommu->qi = NULL;
return -ENOMEM;