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Diffstat (limited to 'drivers/iommu/intel/iommu.h')
-rw-r--r--drivers/iommu/intel/iommu.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h
index d09b92871659..2c261c069001 100644
--- a/drivers/iommu/intel/iommu.h
+++ b/drivers/iommu/intel/iommu.h
@@ -541,7 +541,8 @@ enum {
#define pasid_supported(iommu) (sm_supported(iommu) && \
ecap_pasid((iommu)->ecap))
#define ssads_supported(iommu) (sm_supported(iommu) && \
- ecap_slads((iommu)->ecap))
+ ecap_slads((iommu)->ecap) && \
+ ecap_smpwc(iommu->ecap))
#define nested_supported(iommu) (sm_supported(iommu) && \
ecap_nest((iommu)->ecap))