On 2/8/22 2:27 AM, Jacob Pan wrote:
Hi BaoLu,
Hi Jacob,
On Mon, 7 Feb 2022 14:41:41 +0800, Lu Baolu <[email protected]> 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?
Yes. We should use kfree_rcu. Best regards, baolu _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
