iommu/vt-d: Remove initialization for dynamically heap-allocated rcu_head

The rcu_head structures allocated dynamically in the heap don't need any
initialization. Therefore, remove the init_rcu_head().

Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Link: https://lore.kernel.org/r/20240219125723.1645703-3-tina.zhang@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index a815362c8e600765cdad41bf998ec9c387439b62..a92a9e2239e2253f023968abbe482781d942ac37 100644 (file)
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -360,7 +360,6 @@ static int intel_svm_bind_mm(struct intel_iommu *iommu, struct device *dev,
        sdev->iommu = iommu;
        sdev->did = FLPT_DEFAULT_DID;
        sdev->sid = PCI_DEVID(info->bus, info->devfn);
-       init_rcu_head(&sdev->rcu);
        if (info->ats_enabled) {
                sdev->qdep = info->ats_qdep;
                if (sdev->qdep >= QI_DEV_EIOTLB_MAX_INVS)