Hi Robin,
On 7/28/21 11:58 PM, Robin Murphy wrote:
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 982545234cf3..eecb5657de69 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -136,6 +136,9 @@ static int __init iommu_subsys_init(void)
}
}
+ if (!iommu_default_passthrough() && !iommu_dma_strict)
+ iommu_def_domain_type = IOMMU_DOMAIN_DMA_FQ;
iommu_dma_strict could be changed later by the vendor iommu driver via
iommu_set_dma_strict(). This seems not to be the right place to set
iommu_def_domain_type.
+
pr_info("Default domain type: %s %s\n",
iommu_domain_type_str(iommu_def_domain_type),
(iommu_cmd_line & IOMMU_CMD_LINE_DMA_API) ?
Best regards,
baolu
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