diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/iommu-sva.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c index 24bf9b2b58aa..fcfdc80a3939 100644 --- a/drivers/iommu/iommu-sva.c +++ b/drivers/iommu/iommu-sva.c @@ -44,7 +44,7 @@ int iommu_sva_alloc_pasid(struct mm_struct *mm, ioasid_t min, ioasid_t max) if (!pasid_valid(pasid)) ret = -ENOMEM; else - mm_pasid_set(mm, pasid); + mm->pasid = pasid; out: mutex_unlock(&iommu_sva_lock); return ret; @@ -238,3 +238,11 @@ out_put_mm: return status; } + +void mm_pasid_drop(struct mm_struct *mm) +{ + if (pasid_valid(mm->pasid)) { + ioasid_free(mm->pasid); + mm->pasid = INVALID_IOASID; + } +} |