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path: root/drivers/iommu/intel/svm.c
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Diffstat (limited to 'drivers/iommu/intel/svm.c')
-rw-r--r--drivers/iommu/intel/svm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index fea10acd4f02..726f7b6d0bff 100644
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -27,7 +27,7 @@
void intel_svm_check(struct intel_iommu *iommu)
{
- if (!pasid_supported(iommu))
+ if (!pasid_supported(iommu) || !ecap_smpwc(iommu->ecap))
return;
if (cpu_feature_enabled(X86_FEATURE_GBPAGES) &&