From: Lu Baolu <baolu.lu@linux.intel.com>
To: iommu@lists.linux.dev
Cc: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Kevin Tian <kevin.tian@intel.com>,
linux-kernel@vger.kernel.org, Lu Baolu <baolu.lu@linux.intel.com>
Subject: [PATCH 2/4] iommu/vt-d: Remove unused fields in svm structures
Date: Mon, 9 Jan 2023 09:49:53 +0800 [thread overview]
Message-ID: <20230109014955.147068-3-baolu.lu@linux.intel.com> (raw)
In-Reply-To: <20230109014955.147068-1-baolu.lu@linux.intel.com>
They aren't used anywhere. Remove them to avoid dead code.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
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
next prev parent reply other threads:[~2023-01-09 1:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-09 1:49 [PATCH 0/4] iommu/vt-d: SVM implementation cleanup Lu Baolu
2023-01-09 1:49 ` [PATCH 1/4] iommu/vt-d: Remove include/linux/intel-svm.h Lu Baolu
2023-01-09 1:49 ` Lu Baolu [this message]
2023-01-09 1:49 ` [PATCH 3/4] iommu/vt-d: Remove users from intel_svm_dev Lu Baolu
2023-01-09 1:49 ` [PATCH 4/4] iommu/vt-d: Remove sva " Lu Baolu
2023-01-10 2:46 ` [PATCH 0/4] iommu/vt-d: SVM implementation cleanup Tian, Kevin
2023-01-31 7:51 ` Baolu Lu
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