[RFC,02/12] iommu/vt-d: Remove initialization for dynamically heap-allocated rcu_head
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From: Tina Zhang <tina.zhang@intel.com>
To: iommu@lists.linux.dev, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org
Cc: David Woodhouse <dwmw2@infradead.org>,
Lu Baolu <baolu.lu@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>, Jason Gunthorpe <jgg@ziepe.ca>,
Kevin Tian <kevin.tian@intel.com>,
Tina Zhang <tina.zhang@intel.com>
Subject: [RFC PATCH 02/12] iommu/vt-d: Remove initialization for dynamically
heap-allocated rcu_head
Date: Tue, 17 Oct 2023 11:20:34 +0800
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| Series |
iommu/vt-d: Remove superfluous IOMMU IOTLB invalidations
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Commit Message
Zhang, Tina
Oct. 17, 2023, 3:20 a.m. UTC
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>
---
drivers/iommu/intel/svm.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 9bf79cf88aec..f9b1f13bd068 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -334,7 +334,6 @@ 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)