[PATCH 2/4] iommu/vt-d: Remove unused fields in svm structures

From: Lu Baolu
Date: Sun Jan 08 2023 - 20:58:23 EST


They aren't used anywhere. Remove them to avoid dead code.

Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
---
drivers/iommu/intel/iommu.h | 4 ----
drivers/iommu/intel/svm.c | 2 --
2 files changed, 6 deletions(-)

diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h
index f89f63d7a72a..e7c732979364 100644
--- a/drivers/iommu/intel/iommu.h
+++ b/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;
};
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index d38a54396c23..d1e445f03aa6 100644
--- a/drivers/iommu/intel/svm.c
+++ b/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;
--
2.34.1