| Message ID | 20231017032045.114868-2-tina.zhang@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | iommu/vt-d: Remove superfluous IOMMU IOTLB invalidations | expand |
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 3c531af58658..9bf79cf88aec 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -387,13 +387,6 @@ void intel_svm_remove_dev_pasid(struct device *dev, u32 pasid) if (svm->notifier.ops) mmu_notifier_unregister(&svm->notifier, mm); pasid_private_remove(svm->pasid); - /* - * We mandate that no page faults may be outstanding - * for the PASID when intel_svm_unbind_mm() is called. - * If that is not obeyed, subtle errors will happen. - * Let's make them less subtle... - */ - memset(svm, 0x6b, sizeof(*svm)); kfree(svm); } }
Revoking PASIDs with pending page faults has been achieved by clearing the pasid entry and draining the pending page faults in both hardware and software. The temporary treatment can be retired now. Signed-off-by: Tina Zhang <tina.zhang@intel.com> --- drivers/iommu/intel/svm.c | 7 ------- 1 file changed, 7 deletions(-)