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path: root/drivers/iommu/intel-svm.c
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Diffstat (limited to 'drivers/iommu/intel-svm.c')
-rw-r--r--drivers/iommu/intel-svm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index a035ef911fba..6c87c807a0ab 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -863,7 +863,7 @@ static irqreturn_t prq_event_thread(int irq, void *d)
if (!mmget_not_zero(svm->mm))
goto bad_req;
- down_read(&svm->mm->mmap_sem);
+ mmap_read_lock(svm->mm);
vma = find_extend_vma(svm->mm, address);
if (!vma || address < vma->vm_start)
goto invalid;
@@ -878,7 +878,7 @@ static irqreturn_t prq_event_thread(int irq, void *d)
result = QI_RESP_SUCCESS;
invalid:
- up_read(&svm->mm->mmap_sem);
+ mmap_read_unlock(svm->mm);
mmput(svm->mm);
bad_req:
/* Accounting for major/minor faults? */