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fb21b1568a
"attach_handle" was added exclusively for the iommufd_fault_iopf_handler() used by IOPF/PRI use cases. Now, both the MSI and PASID series require to reuse the attach_handle for non-fault cases. Add a set of new attach/detach/replace helpers that does the attach_handle allocation/releasing/replacement in the common path and also handles those fault specific routines such as iopf enabling/disabling and auto response. This covers both non-fault and fault cases in a clean way, replacing those inline helpers in the header. The following patch will clean up those old helpers in the fault.c file. Link: https://patch.msgid.link/r/32687df01c02291d89986a9fca897bbbe2b10987.1738645017.git.nicolinc@nvidia.com Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Reviewed-by: Yi Liu <yi.l.liu@intel.com> 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 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.