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-rw-r--r--drivers/iommu/intel/iommu.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 547977d535c5..34b45ae99025 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4005,7 +4005,8 @@ int __init intel_iommu_init(void)
* is likely to be much lower than the overhead of synchronizing
* the virtual and physical IOMMU page-tables.
*/
- if (cap_caching_mode(iommu->cap)) {
+ if (cap_caching_mode(iommu->cap) &&
+ !first_level_by_default(IOMMU_DOMAIN_DMA)) {
pr_info_once("IOMMU batching disallowed due to virtualization\n");
iommu_set_dma_strict();
}