iommu/vt-d: Remove unused fields in svm structures

They aren't used anywhere. Remove them to avoid dead code.
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20230109014955.147068-3-baolu.lu@linux.intel.comSigned-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/intel/iommu.h

@@ -762,18 +762,14 @@ struct intel_svm_dev {
 	struct device *dev;
 	struct intel_iommu *iommu;
 	struct iommu_sva sva;
-	u32 pasid;
 	int users;
 	u16 did;
-	u16 dev_iotlb:1;
 	u16 sid, qdep;
 };
 
 struct intel_svm {
 	struct mmu_notifier notifier;
 	struct mm_struct *mm;
-
-	unsigned int flags;
 	u32 pasid;
 	struct list_head devs;
 };

drivers/iommu/intel/svm.c

@@ -351,11 +351,9 @@ static struct iommu_sva *intel_svm_bind_mm(struct intel_iommu *iommu,
 	sdev->did = FLPT_DEFAULT_DID;
 	sdev->sid = PCI_DEVID(info->bus, info->devfn);
 	sdev->users = 1;
-	sdev->pasid = svm->pasid;
 	sdev->sva.dev = dev;
 	init_rcu_head(&sdev->rcu);
 	if (info->ats_enabled) {
-		sdev->dev_iotlb = 1;
 		sdev->qdep = info->ats_qdep;
 		if (sdev->qdep >= QI_DEV_EIOTLB_MAX_INVS)
 			sdev->qdep = 0;