diff options
Diffstat (limited to 'drivers/iommu/intel-svm.c')
| -rw-r--r-- | drivers/iommu/intel-svm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c index a3739f626629..176805539be1 100644 --- a/drivers/iommu/intel-svm.c +++ b/drivers/iommu/intel-svm.c @@ -362,7 +362,9 @@ int intel_svm_bind_mm(struct device *dev, int *pasid, int flags, struct svm_dev_ ret = intel_pasid_setup_first_level(iommu, dev, mm ? mm->pgd : init_mm.pgd, svm->pasid, FLPT_DEFAULT_DID, - mm ? 0 : PASID_FLAG_SUPERVISOR_MODE); + (mm ? 0 : PASID_FLAG_SUPERVISOR_MODE) | + (cpu_feature_enabled(X86_FEATURE_LA57) ? + PASID_FLAG_FL5LP : 0)); spin_unlock(&iommu->lock); if (ret) { if (mm) @@ -383,7 +385,9 @@ int intel_svm_bind_mm(struct device *dev, int *pasid, int flags, struct svm_dev_ ret = intel_pasid_setup_first_level(iommu, dev, mm ? mm->pgd : init_mm.pgd, svm->pasid, FLPT_DEFAULT_DID, - mm ? 0 : PASID_FLAG_SUPERVISOR_MODE); + (mm ? 0 : PASID_FLAG_SUPERVISOR_MODE) | + (cpu_feature_enabled(X86_FEATURE_LA57) ? + PASID_FLAG_FL5LP : 0)); spin_unlock(&iommu->lock); if (ret) { kfree(sdev); |