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Yi Liu says =================== The .bind_iommufd op of vfio emulated devices are either empty or does nothing. This is different with the vfio physical devices, to add vfio device cdev, need to make them act the same. This series first makes the .bind_iommufd op of vfio emulated devices to create iommufd_access, this introduces a new iommufd API. Then let the driver that does not provide .bind_iommufd op to use the vfio emulated iommufd op set. This makes all vfio device drivers have consistent iommufd operations, which is good for adding new device uAPIs in the device cdev =================== * branch 'vfio_mdev_ops': vfio: Check the presence for iommufd callbacks in __vfio_register_dev() vfio/mdev: Uses the vfio emulated iommufd ops set in the mdev sample drivers vfio-iommufd: Make vfio_iommufd_emulated_bind() return iommufd_access ID vfio-iommufd: No need to record iommufd_ctx in vfio_device iommufd: Create access in vfio_iommufd_emulated_bind() iommu/iommufd: Pass iommufd_ctx pointer in iommufd_get_ioas() Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.