> From: Nicolin Chen <nicolinc@xxxxxxxxxx> > Sent: Thursday, February 2, 2023 3:05 PM > > QEMU with this feature should have the vIOMMU maintain a cache of the > guest io page table addresses and assign a unique IOAS to each unique > guest page table. I didn't get why we impose such requirement to userspace. > > To apply this series, please rebase on top of the following patches: > 1) [PATCH 00/13] Add vfio_device cdev for iommufd support > https://lore.kernel.org/kvm/20230117134942.101112-1-yi.l.liu@xxxxxxxxx/ > 2) (Merged) [PATCH v5 0/5] iommu: Retire detach_dev callback > https://lore.kernel.org/linux-iommu/20230110025408.667767-1- > baolu.lu@xxxxxxxxxxxxxxx/ > 3) (Merged) [PATCH] selftests: iommu: Fix test_cmd_destroy_access() call in > user_copy > https://lore.kernel.org/lkml/20230120074204.1368-1-nicolinc@xxxxxxxxxx/ > No need to list merged work as dependency. In concept every commit merged in the version which this series is rebased to is required. 😊
