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Jason Gunthorpe
0d76a6edae
To make way for a domain_alloc_paging conversion add the typical global static IDENTITY domain. This supports VMMs that have a VIRTIO_IOMMU_F_BYPASS_CONFIG config. If the VMM does not have support then the domain_alloc path is still used, which creates an IDENTITY domain out of a paging domain. Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Link: https://lore.kernel.org/r/1-v4-ff5fb6b03bd1+288-iommu_virtio_domains_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
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 reStructuredText 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.