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69e61edebe
iommu: Define EINVAL as device/domain incompatibility This series is to replace the previous EMEDIUMTYPE patch in a VFIO series: https://lore.kernel.org/kvm/Yxnt9uQTmbqul5lf@8bytes.org/ The purpose is to regulate all existing ->attach_dev callback functions to use EINVAL exclusively for an incompatibility error between a device and a domain. This allows VFIO and IOMMUFD to detect such a soft error, and then try a different domain with the same device. Among all the patches, the first two are preparatory changes. And then one patch to update kdocs and another three patches for the enforcement effort. Link: https://lore.kernel.org/r/cover.1666042872.git.nicolinc@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.