Merge 6.7-rc5 into tty-next

We need the serial fixes in here as well to build off of.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index 50a481c895b8..ac12f76c1212 100644
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -216,6 +216,27 @@ static void intel_flush_svm_range(struct intel_svm *svm, unsigned long address,
 	rcu_read_unlock();
 }
 
+static void intel_flush_svm_all(struct intel_svm *svm)
+{
+	struct device_domain_info *info;
+	struct intel_svm_dev *sdev;
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(sdev, &svm->devs, list) {
+		info = dev_iommu_priv_get(sdev->dev);
+
+		qi_flush_piotlb(sdev->iommu, sdev->did, svm->pasid, 0, -1UL, 0);
+		if (info->ats_enabled) {
+			qi_flush_dev_iotlb_pasid(sdev->iommu, sdev->sid, info->pfsid,
+						 svm->pasid, sdev->qdep,
+						 0, 64 - VTD_PAGE_SHIFT);
+			quirk_extra_dev_tlb_flush(info, 0, 64 - VTD_PAGE_SHIFT,
+						  svm->pasid, sdev->qdep);
+		}
+	}
+	rcu_read_unlock();
+}
+
 /* Pages have been freed at this point */
 static void intel_arch_invalidate_secondary_tlbs(struct mmu_notifier *mn,
 					struct mm_struct *mm,
@@ -223,6 +244,11 @@ static void intel_arch_invalidate_secondary_tlbs(struct mmu_notifier *mn,
 {
 	struct intel_svm *svm = container_of(mn, struct intel_svm, notifier);
 
+	if (start == 0 && end == -1UL) {
+		intel_flush_svm_all(svm);
+		return;
+	}
+
 	intel_flush_svm_range(svm, start,
 			      (end - start + PAGE_SIZE - 1) >> VTD_PAGE_SHIFT, 0);
 }