Hi BaoLu,
On Mon, 7 Feb 2022 14:41:41 +0800, Lu Baolu <baolu...@linux.intel.com>
wrote:
> static void intel_iommu_release_device(struct device *dev)
> {
> - struct intel_iommu *iommu;
> -
> - iommu = device_to_iommu(dev, NULL, NULL);
> - if (!iommu)
> - return;
> -
> - dmar_remove_one_dev_info(dev);
> + struct device_domain_info *info = get_domain_info(dev);
> + unsigned long index = DEVI_IDX(info->segment, info->bus,
> info->devfn);
> + xa_erase(&device_domain_array, index);
> + dev_iommu_priv_set(info->dev, NULL);
> set_dma_ops(dev, NULL);
> + kfree(info);
Now that info and sinfo are under RCU, should we use kfree_rcu?
Thanks,
Jacob
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