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In preparation for region autodiscovery, that needs all devices discovered before their relative position in the region can be determined, consolidate all position dependent validation in a helper. Recall that in the on-demand region creation flow the end-user picks the position of a given endpoint decoder in a region. In the autodiscovery case the position of an endpoint decoder can only be determined after all other endpoint decoders that claim to decode the region's address range have been enumerated and attached. So, in the autodiscovery case endpoint decoders may be attached before their relative position is known. Once all decoders arrive, then positions can be determined and validated with cxl_region_validate_position() the same as user initiated on-demand creation. Reviewed-by: Vishal Verma <vishal.l.verma@intel.com> Tested-by: Fan Ni <fan.ni@samsung.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/167601997584.1924368.4615769326126138969.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.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.