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-rw-r--r--drivers/iommu/amd/iommu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 23a168e229b1..16f40b8000d7 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -1415,6 +1415,7 @@ static int domain_flush_pages_v2(struct protection_domain *pdom,
struct iommu_cmd cmd;
int ret = 0;
+ lockdep_assert_held(&pdom->lock);
list_for_each_entry(dev_data, &pdom->dev_list, list) {
struct amd_iommu *iommu = get_amd_iommu_from_dev(dev_data->dev);
u16 domid = dev_data->gcr3_info.domid;
@@ -1464,6 +1465,8 @@ static void __domain_flush_pages(struct protection_domain *domain,
ioasid_t pasid = IOMMU_NO_PASID;
bool gn = false;
+ lockdep_assert_held(&domain->lock);
+
if (pdom_is_v2_pgtbl_mode(domain)) {
gn = true;
ret = domain_flush_pages_v2(domain, address, size);
@@ -1585,6 +1588,8 @@ void amd_iommu_update_and_flush_device_table(struct protection_domain *domain)
{
struct iommu_dev_data *dev_data;
+ lockdep_assert_held(&domain->lock);
+
list_for_each_entry(dev_data, &domain->dev_list, list) {
struct amd_iommu *iommu = rlookup_amd_iommu(dev_data->dev);