SVA PASID allocation is hardcoded to start from 1 because 0 is used for RID_PASID, let's make it explicit to avoid the potential conflicts. Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx> --- drivers/iommu/iommu-sva.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c index c434b95dc8eb..ac7c93bacb5c 100644 --- a/drivers/iommu/iommu-sva.c +++ b/drivers/iommu/iommu-sva.c @@ -66,7 +66,7 @@ struct iommu_sva *iommu_sva_bind_device(struct device *dev, struct mm_struct *mm return ERR_PTR(-EOPNOTSUPP); /* Allocate mm->pasid if necessary. */ - ret = iommu_sva_alloc_pasid(mm, 1, max_pasids - 1); + ret = iommu_sva_alloc_pasid(mm, IOMMU_DEF_RID_PASID + 1, max_pasids - 1); if (ret) return ERR_PTR(ret); -- 2.25.1
