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a98db518dd
The driver now supports domain_alloc_paging, ensuring that a valid device pointer is provided whenever a paging domain is allocated. Additionally, the dmar_domain attributes are set up at the time of allocation. Consistent with the established semantics in the IOMMU core, if a domain is attached to a device and found to be incompatible with the IOMMU hardware capabilities, the operation will return an -EINVAL error. This implicitly advises the caller to allocate a new domain for the device and attempt the domain attachment again. Rename prepare_domain_attach_device() to a more meaningful name. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/20241021085125.192333-4-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de> |
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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.